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<document id="4E64750E90F985E1B0B44BD181BD2610" ID-CLB-Dataset="7236" ID-DOI="10.5852/ejt.2021.746.1319" ID-GBIF-Dataset="558fe5b9-0efe-42cd-b93a-9159cecf5273" ID-ISSN="2118-9773" ID-Zenodo-Dep="7401633" ID-ZooBank="54D43422-15B7-4EC9-ACC9-E764D3A7BF6D" IM.bibliography_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1618984458638" checkinUser="plazi" docAuthor="Magpali, Letícia, Machado, Danilo R. P., Araújo, Thiago Q. &amp; Garraffoni, André R. S." docDate="2021" docId="038F87BD670EFFE137724564FC10FA59" docLanguage="en" docName="ejt-746_62-93.pdf" docOrigin="European Journal of Taxonomy 746" docSource="https://europeanjournaloftaxonomy.eu/index.php/ejt/article/view/1319" docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.14:EJT.2018-.journal_article.type1" docStyleId="EF2B578F1D15862ADE45B0C07C620911" docStyleName="EJT.2018-.journal_article.type1" docStyleVersion="14" docTitle="Polymerurus insularis Magpali, Machado, Araújo &amp; Garraffoni, 2021, sp. nov." docType="treatment" docUuid="B1B93655-7332-4EF1-A9AC-EFB63026C9A1" docUuidSource="ZooBank" docVersion="12" lastPageNumber="82" masterDocId="FFB6FFC56708FFF53510475EFFF9FFCE" masterDocTitle="Long distance dispersal and pseudo-cryptic species in Gastrotricha: first description of a new species (Chaetonotida, Chaetonotidae, Polymerurus) from an oceanic island with volcanic rocks" masterLastPageNumber="93" masterPageNumber="62" pageNumber="68" updateTime="1698937297230" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="0C4BF2B8B8284D8E4389150CF782CF0A">Long distance dispersal and pseudo-cryptic species in Gastrotricha: first description of a new species (Chaetonotida, Chaetonotidae, Polymerurus) from an oceanic island with volcanic rocks</mods:title>
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<mods:namePart id="9502A60D35195B70BC266A88E4499CA0">Magpali, Letícia</mods:namePart>
<mods:affiliation id="A3D12D1A708BCC71C3E3CAC0CB4A44FD">Laboratory of Evolutionary Meiofaunal Organisms, Department of Animal Biology, Institute of Biology, University of Campinas, Monteiro Lobato, 255, CEP 13083 - 862, Campinas, SP, Brazil.</mods:affiliation>
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<mods:namePart id="060981835462130681EAA509A511A21C">Machado, Danilo R. P.</mods:namePart>
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<mods:affiliation id="B38CF7728A4DE8C29D33288011B66032">Laboratory of Evolutionary Meiofaunal Organisms, Department of Animal Biology, Institute of Biology, University of Campinas, Monteiro Lobato, 255, CEP 13083 - 862, Campinas, SP, Brazil.</mods:affiliation>
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<mods:namePart id="36307BAD061EC265F908D70F6ED4F471">Araújo, Thiago Q.</mods:namePart>
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<mods:affiliation id="4D2BA07DE4C9BFF3136C58551E39D777">Laboratory of Evolutionary Meiofaunal Organisms, Department of Animal Biology, Institute of Biology, University of Campinas, Monteiro Lobato, 255, CEP 13083 - 862, Campinas, SP, Brazil.</mods:affiliation>
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<mods:namePart id="2E231FAAEC7C0DB64169413994BF21EA">Garraffoni, André R. S.</mods:namePart>
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<taxonomicName id="4C264D28670EFFF337724564FC89FD9B" ID-CoL="874XL" box="[610,880,570,597]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="6" pageNumber="68" phylum="Gastrotricha" rank="species" species="insularis" status="sp. nov.">
<emphasis id="B952EAB9670EFFF337724564FC89FD9B" bold="true" box="[610,880,570,597]" italics="true" pageId="6" pageNumber="68">Polymerurus insularis</emphasis>
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<figureCitation id="131D2A2E670EFFF337B045DFFCF0FD55" box="[672,777,641,667]" captionStart-0="Fig" captionStart-1="Fig" captionStart-2="Fig" captionStart-3="Fig" captionStart-4="Fig" captionStart-5="Fig" captionStart-6="Fig" captionStartId-0="7.[191,234,1958,1984]" captionStartId-1="8.[189,232,1705,1731]" captionStartId-2="11.[189,232,1888,1914]" captionStartId-3="12.[189,232,1642,1668]" captionStartId-4="13.[189,232,1776,1802]" captionStartId-5="15.[189,232,1816,1842]" captionStartId-6="16.[189,232,1884,1910]" captionTargetBox-0="[189,1398,1034,1924]" captionTargetBox-1="[297,1290,266,1666]" captionTargetBox-2="[236,1352,273,1850]" captionTargetBox-3="[257,1331,265,1605]" captionTargetBox-4="[365,1207,265,1701]" captionTargetBox-5="[219,1369,265,1779]" captionTargetBox-6="[189,1398,282,1825]" captionTargetId-0="figure-234@7.[189,1398,1034,1924]" captionTargetId-1="figure-11@8.[297,1291,265,1671]" captionTargetId-2="figure-18@11.[236,1352,265,1852]" captionTargetId-3="figure-11@12.[257,1331,265,1607]" captionTargetId-4="figure-17@13.[365,1222,265,1743]" captionTargetId-5="figure-18@15.[219,1369,265,1779]" captionTargetId-6="figure-12@16.[189,1398,282,1825]" captionTargetPageId-0="7" captionTargetPageId-1="8" captionTargetPageId-2="11" captionTargetPageId-3="12" captionTargetPageId-4="13" captionTargetPageId-5="15" captionTargetPageId-6="16" captionText-0="Fig. 2. Light microscopy DIC. Polymerurus insularis sp. nov., holotype (ZUEC GCH 55). Full body view. A. Dorsal view. B. Internal view. C. Ventral view. Scale bars = 30 µm." captionText-1="Fig. 3. Light microscopy DIC. Polymerurus insularis sp. nov., holotype (ZUEC GCH 55). AC. Correspond to the most anterior third of the specimen. A. Anterior dorsal region. B. Anterior internal region. C. anterior ventral region. DF. Correspond to the trunk. D. Dorsal trunk. E. Internal trunk. F. Ventral trunk. GI. Correspond to the posterior third of the specimen. G. Dorsal posterior third. H. Internal posterior third. I. Ventral posterior third. Abbreviations: ce = cephalion; ct = cephalic bristles; eg = egg; hy = hypostomium; i = intestine; is = interciliary spines; lc = locomotory cilia; lce = lateral cephalic expansions; mo = mouth; ne = nephridia; pl = pleurae; ph = pharynx; PhIJ = pharyngealintestinal junction; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; vs = Type 1 ventral scale. Scale bars = 20 µm." captionText-2="Fig. 4. Light microscopy DIC. Polymerurus insularis sp. nov. Posterior region of the body. A. Paratype (ZUEC GCH 56). B, D. Holotype (ZUEC GCH 55). C. Paratype (ZUEC GCH 57). AB. Posterior dorsal view. C. Posterior dorsolateral view. D. Posterior ventral view. Abbreviations: fr = furcal rami; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales. Scale bars = 40 µm." captionText-3="Fig. 5. Close-up of the different types of scales described forPolymerurusinsularis sp. nov.AC. Paratype (ZUEC GCH 59). D, F. Holotype (ZUEC GCH 55). E. Paratype (ZUEC GCH 56). AC. Scanning electron microscopy. DF. Light microscopy DIC. A. Detail of a section of the dorsal middle trunk, showing the most common type of scale, Type 1, with emphasis on its characteristic shape. B. Detail of a section of the dorsal posterior trunk, showing Type 2 and Type 3 scales. CE. Detail of the transition between the dorsal posterior trunk and the dorsal furca base, showing the particular scale covering of this region. F. Detail of the transition between the ventral posterior trunk and the ventral furca base, showing the particular scale covering this region. Abbreviations: sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; sc-5 = Type 5 scales; sc-6 = Type 6 scales; sc-7 = Type 7 scales; sc-8 = Type 8 scales; svs = small ventral pair of spines. Scale bars: AC = 5 µm; D = 10 µm; E = 15 µm; F = 10 µm." captionText-4="Fig. 6. Schematic illustration of dorsal and ventral posterior regions and type scales of Polymerurus insularis sp. nov. AB. Paratype (ZUEC GCH 56). A. Dorsal view of the posterior end. Some Type 1 scales are faded for a better visualization of Types 2, 3 and 5 scales. B. Ventral view of the posterior end. C. Each type of scale, individually depicted (not to scale). Abbreviations: ff = furcal furrow; fr = furcal rami; lc = locomotory cilia; is = interciliary spines; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; sc-5 = Type 5 scales; sc-6 = Type 6 scales; sc-7 = Type 7 scales; sc-8 = Type 8 scales. Scale bars = 40 µm." captionText-5="Fig. 7. Scanning electron microscopy. Polymerurus insularis sp. nov. AB, DE. Paratype (ZUEC GCH 59). C. Paratype (ZUEC GCH 60). A. Dorsal view of the body. B. Dorsolateral view of the head, showing the cephalion and its lateral projections. C. Lateral view of the head, highlighting the lateral pleurae. DE. Dorsal trunk view, highlighting scale Type 1. Abbreviations: ce = cephalion; fr = furcal rami; lc = locomotory cilia; lce = lateral cephalic expansions; pl = pleurae; sc-1 = Type 1 scales. Scale bars: A = 40 µm; BC = 5 µm; D = 20 µm; E = 10 µm." captionText-6="Fig. 8. Scanning electron microscopy. Polymerurus insularis sp. nov. AB, D. Paratype (ZUEC GCH 59). C, E. Paratype (ZUEC GCH 60). AB. Posterior dorsal view. C. Detail of the furca base in posterior dorsolateral view. DE. Details of the furcal rami. Abbreviations: fb = furca base; fr = furcal rami; sc-4 = Type 4 scales; sc-5 = Type 5 scales. Scale bars = 10 µm." figureDoi-0="http://doi.org/10.5281/zenodo.7401637" figureDoi-1="http://doi.org/10.5281/zenodo.7401639" figureDoi-2="http://doi.org/10.5281/zenodo.7401641" figureDoi-3="http://doi.org/10.5281/zenodo.7401643" figureDoi-4="http://doi.org/10.5281/zenodo.7401647" figureDoi-5="http://doi.org/10.5281/zenodo.7401649" figureDoi-6="http://doi.org/10.5281/zenodo.7401653" httpUri-0="https://zenodo.org/record/7401637/files/figure.png" httpUri-1="https://zenodo.org/record/7401639/files/figure.png" httpUri-2="https://zenodo.org/record/7401641/files/figure.png" httpUri-3="https://zenodo.org/record/7401643/files/figure.png" httpUri-4="https://zenodo.org/record/7401647/files/figure.png" httpUri-5="https://zenodo.org/record/7401649/files/figure.png" httpUri-6="https://zenodo.org/record/7401653/files/figure.png" pageId="6" pageNumber="68">Figs 28</figureCitation>
;
<tableCitation id="C6A40310670EFFF3360445DFFC6DFD55" box="[788,916,641,667]" captionStart-0="Table 2" captionStart-1="Table 3" captionStartId-0="9.[189,264,265,293]" captionStartId-1="18.[185,254,556,584]" captionTargetBox-0="[194,1365,456,1978]" captionTargetPageId-1="18" captionText-0="Table 2 (continued on next page). Morphometric features of Polymerurus insularis sp. nov. All scale lengths for which the scale type is not specified are from Type 1 scales. Abbrevation: N = total number of measured adult specimens." captionText-1="Table 3 (continued on next page). Comparison of several morphological structures among different species of Polymerurus Remane, 1927 belonging to the spined scales morphotype." httpUri-0="http://table.plazi.org/id/DF5966236701FFFC35AD4657FD1BFEBD" httpUri-1="http://table.plazi.org/id/DF596623671AFFE735A94572FDB2FDA5" pageId="6" pageNumber="68" tableUuid-0="DF5966236701FFFC35AD4657FD1BFEBD" tableUuid-1="DF596623671AFFE735A94572FDB2FDA5">Tables 23</tableCitation>
</paragraph>
</subSubSection>
<subSubSection id="C33C6520670EFFF335AD459CFBA7FB7F" pageId="6" pageNumber="68" type="diagnosis">
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<emphasis id="B952EAB9670EFFF335AD459CFECFFD12" bold="true" box="[189,310,706,732]" pageId="6" pageNumber="68">Diagnosis</emphasis>
</heading>
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Elongated body with head separated from the trunk by slight neck constrictions. Total body length of
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; furcal rami
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long with 1921 segments per side. Three-lobed, rounded head with a well-developed cephalion showing two lateral projections; one rugous pair of lateral pleurae and a ventral hypostomium present. Body mostly covered by pentagonal or hexagonal spined scales (
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scales) of various sizes (
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) increasing in length progressively from anterior (
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) to posterior body (
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) ends and from ventral (
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) to dorsal surface (
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). Overall, the shape of the
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scales is very distinct, with 56 corners and an anterior elevation that forms the spine base and opens towards a middle groove and a posterior cleavage.A triangular dorsal scale is found immediately anterior to the furca base, highly lifted and spineless (
<emphasis id="B952EAB9670EFFF336C34355FBD8FBEB" box="[979,1057,1035,1061]" italics="true" pageId="6" pageNumber="68">
<typeStatus id="549D8809670EFFF336C34355FBF3FBEA" box="[979,1034,1035,1060]" pageId="6" pageNumber="68">Type</typeStatus>
2
</emphasis>
scale). Dorsally on the furca base there is a spineless zone composed by a patch lacking cuticular ornamentation and flat, rounded or polygonal scales without spines measuring
<quantity id="4CDE9B4E670EFFF337D1430FFCCDFBA2" box="[705,820,1105,1132]" metricMagnitude="-3" metricUnit="m" metricValue="3.75" metricValueMax="5.0" metricValueMin="2.5" pageId="6" pageNumber="68" unit="mm" value="3.75" valueMax="5.0" valueMin="2.5">2.55 µm</quantity>
(
<emphasis id="B952EAB9670EFFF33656430CFC6CFBA5" box="[838,917,1105,1131]" italics="true" pageId="6" pageNumber="68">
<typeStatus id="549D8809670EFFF33656430CFC84FBA5" box="[838,893,1106,1131]" pageId="6" pageNumber="68">Type</typeStatus>
4
</emphasis>
scales). The posterior end of the ventral field is covered by a pair of keeled oval scales (
<emphasis id="B952EAB9670EFFF337F9432BFCCFFB40" box="[745,822,1140,1166]" italics="true" pageId="6" pageNumber="68">
<typeStatus id="549D8809670EFFF337F9432BFCD9FB40" box="[745,800,1141,1166]" pageId="6" pageNumber="68">Type</typeStatus>
6
</emphasis>
scales) and two pairs of small, elongated (
<emphasis id="B952EAB9670EFFF3303A432BFA8EFB41" box="[1322,1399,1141,1167]" italics="true" pageId="6" pageNumber="68">
<typeStatus id="549D8809670EFFF3303A432BFA98FB40" box="[1322,1377,1141,1166]" pageId="6" pageNumber="68">Type</typeStatus>
7
</emphasis>
scales) or rounded scales (
<emphasis id="B952EAB9670EFFF334E243C6FDB9FB7C" box="[498,576,1176,1202]" italics="true" pageId="6" pageNumber="68">
<typeStatus id="549D8809670EFFF334E243C6FDD0FB7F" box="[498,553,1176,1201]" pageId="6" pageNumber="68">Type</typeStatus>
8
</emphasis>
scales), both bearing straight and long spines.
</paragraph>
</subSubSection>
<subSubSection id="C33C6520670EFFF335AD4387FB11FAEC" box="[189,1256,1241,1314]" pageId="6" pageNumber="68" type="etymology">
<paragraph id="8B9936AB670EFFF335AD4387FEBDFB3D" blockId="6.[189,324,1241,1267]" box="[189,324,1241,1267]" pageId="6" pageNumber="68">
<heading id="D0D181C7670EFFF335AD4387FEBDFB3D" bold="true" box="[189,324,1241,1267]" fontSize="11" level="3" pageId="6" pageNumber="68" reason="3">
<emphasis id="B952EAB9670EFFF335AD4387FEBDFB3D" bold="true" box="[189,324,1241,1267]" pageId="6" pageNumber="68">Etymology</emphasis>
</heading>
</paragraph>
<paragraph id="8B9936AB670EFFF335AD4256FB11FAEC" blockId="6.[189,1256,1287,1314]" box="[189,1256,1287,1314]" pageId="6" pageNumber="68">
From the Latin
<taxonomicName id="4C264D28670EFFF334644259FE22FAEF" box="[372,475,1287,1313]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="6" pageNumber="68" phylum="Gastrotricha" rank="species" species="insularis">
<emphasis id="B952EAB9670EFFF334644259FE22FAEF" box="[372,475,1287,1313]" italics="true" pageId="6" pageNumber="68">insularis</emphasis>
</taxonomicName>
meaning belonging to an islandʼ, in reference to the
<typeStatus id="549D8809670EFFF331414256FB7DFAEC" box="[1105,1156,1288,1314]" pageId="6" pageNumber="68">type</typeStatus>
locality.
</paragraph>
</subSubSection>
<subSubSection id="C33C6520670EFFF235AD4216FAD4FE00" lastPageId="7" lastPageNumber="69" pageId="6" pageNumber="68" type="materials_examined">
<paragraph id="8B9936AB670EFFF335AD4216FE60FAAC" blockId="6.[189,409,1352,1378]" box="[189,409,1352,1378]" pageId="6" pageNumber="68">
<heading id="D0D181C7670EFFF335AD4216FE60FAAC" bold="true" box="[189,409,1352,1378]" fontSize="11" level="3" pageId="6" pageNumber="68" reason="3">
<emphasis id="B952EAB9670EFFF335AD4216FE60FAAC" bold="true" box="[189,409,1352,1378]" pageId="6" pageNumber="68">Material estudied</emphasis>
</heading>
</paragraph>
<paragraph id="8B9936AB670EFFF335FA4229FD1AFA17" blockId="6.[189,1399,1399,1497]" pageId="6" pageNumber="68">
<materialsCitation id="3B4E3CF6670EFFF335FA4229FD1AFA17" ID-GBIF-Occurrence="3081185301" collectionCode="ZUEC" collectorName="de Noronha" country="Brazil" location="Xareu Reservoir" municipality="Fernando de Noronha archipelago" pageId="6" pageNumber="68" specimenCode="GCH 55" specimenCount="1" specimenCount-adult="1" stateProvince="Pernambuco" typeStatus="holotype">
<emphasis id="B952EAB9670EFFF335FA4229FEA5FA5F" bold="true" box="[234,348,1399,1425]" pageId="6" pageNumber="68">
<typeStatus id="549D8809670EFFF335FA4229FEA5FA5F" box="[234,348,1399,1425]" pageId="6" pageNumber="68" type="holotype">Holotype</typeStatus>
</emphasis>
<collectingCountry id="F331763B670EFFF335AD42C5FEDFFA7B" box="[189,294,1435,1461]" name="Brazil" pageId="6" pageNumber="68">BRAZIL</collectingCountry>
<specimenCount id="9D20FD22670EFFF3342B42C4FE8FFA7A" box="[315,374,1434,1460]" pageId="6" pageNumber="68" type="adult">adult</specimenCount>
(photographs, the specimen was destroyed); State of
<collectingRegion id="49E2F849670EFFF336CB42C4FB88FA7A" box="[987,1137,1434,1460]" country="Brazil" name="Pernambuco" pageId="6" pageNumber="68">Pernambuco</collectingRegion>
,
<collectingMunicipality id="6BFDACD1670EFFF3316A42C4FEB0FA16" pageId="6" pageNumber="68">Fernando de Noronha archipelago</collectingMunicipality>
,
<location id="8EF96070670EFFF3344442E0FDE0FA16" LSID="urn:lsid:plazi:treatment:038F87BD670EFFE137724564FC10FA59:8EF96070670EFFF3344442E0FDE0FA16" box="[340,537,1470,1496]" country="Brazil" municipality="Fernando de Noronha archipelago" name="Xareu Reservoir" pageId="6" pageNumber="68" stateProvince="Pernambuco">Xaréu Reservoir</location>
;
<collectionCode id="ED37AE6E670EFFF3373542E0FD8BFA16" box="[549,626,1470,1496]" country="Brazil" httpUri="http://grbio.org/cool/9pz2-d68t" name="Museu de Zoologia da Universidade Estadual de Campinas" pageId="6" pageNumber="68">ZUEC</collectionCode>
<specimenCode id="DB809ED0670EFFF3376942E0FD26FA17" box="[633,735,1470,1497]" collectionCode="GCH" pageId="6" pageNumber="68">GCH 55</specimenCode>
.
</materialsCitation>
</paragraph>
<paragraph id="8B9936AB670EFFF335AD42A1FD79F969" blockId="6.[188,1400,1535,1703]" pageId="6" pageNumber="68">
Specimen was examined while still alive under a compound microscope however, due to the fragility of the body, it was destroyed and is no longer available (
<bibRefCitation id="EFB74B5A670EFFF33677417CFB79F9F3" author="Garraffoni A. R. &amp; Kieneke A. &amp; Kolicka M. &amp; Corgosinho P. H. &amp; Prado J. &amp; Nihei S. S. &amp; Freitas A. V." box="[871,1152,1570,1597]" pageId="6" pageNumber="68" pagination="2199 - 2207" refId="ref13493" refString="Garraffoni A. R. S, Kieneke A., Kolicka M., Corgosinho P. H., Prado J., Nihei S. S. &amp; Freitas A. V. 2019 b. ICZN Declaration 45: a remedy for the nomenclatural and typification dilemma regarding soft-bodied meiofaunal organisms? Marine Biodiversity 49: 2199 - 2207. https: // doi. org / 10.1007 / s 12526 - 019 - 00983 - 7" type="journal article" year="2019">
Garraffoni
<emphasis id="B952EAB9670EFFF336FE417DFBD8F9F2" box="[1006,1057,1570,1596]" italics="true" pageId="6" pageNumber="68">et al</emphasis>
. 2019b
</bibRefCitation>
). Photographs of the specimen are available at the Museum of Zoology of the University of Campinas under the access number
<collectionCode id="ED37AE6E670EFFF3340D4137FE93F94D" box="[285,362,1641,1667]" country="Brazil" httpUri="http://grbio.org/cool/9pz2-d68t" name="Museu de Zoologia da Universidade Estadual de Campinas" pageId="6" pageNumber="68">ZUEC</collectionCode>
<collectionCode id="ED37AE6E670EFFF334614137FE56F94D" box="[369,431,1641,1667]" pageId="6" pageNumber="68">GCH</collectionCode>
55 (
<bibRefCitation id="EFB74B5A670EFFF334F14137FD94F94D" author="ICZN &amp; International Commission on Zoological Nomenclature" box="[481,621,1641,1667]" pageId="6" pageNumber="68" pagination="96 - 97" refId="ref14020" refString="ICZN (International Commission on Zoological Nomenclature) 2017. Declaration 45 - Addition of Recommendations to Article 73 and of the term &quot; specimen, preserved &quot; to the Glossary. The Bulletin of Zoological Nomenclature 73 (2 - 4): 96 - 97. https: // doi. org / 10.21805 / bzn. v 73 i 2. a 2" type="journal article" year="2017">ICZN 2017</bibRefCitation>
: Article 73, Recommendation 73G, Statement 45). The
<typeStatus id="549D8809670EFFF331E54137FAA5F94D" box="[1269,1372,1641,1667]" pageId="6" pageNumber="68" type="holotype">holotype</typeStatus>
is shown in
<figureCitation id="131D2A2E670EFFF3343E41D2FE56F968" box="[302,431,1676,1702]" captionStart="Fig" captionStartId="7.[191,234,1958,1984]" captionTargetBox="[189,1398,1034,1924]" captionTargetId="figure-234@7.[189,1398,1034,1924]" captionTargetPageId="7" captionText="Fig. 2. Light microscopy DIC. Polymerurus insularis sp. nov., holotype (ZUEC GCH 55). Full body view. A. Dorsal view. B. Internal view. C. Ventral view. Scale bars = 30 µm." figureDoi="http://doi.org/10.5281/zenodo.7401637" httpUri="https://zenodo.org/record/7401637/files/figure.png" pageId="6" pageNumber="68">Figs 2AC</figureCitation>
,
<figureCitation id="131D2A2E670EFFF334AE41D2FE03F968" box="[446,506,1676,1702]" captionStart="Fig" captionStartId="8.[189,232,1705,1731]" captionTargetBox="[297,1290,266,1666]" captionTargetId="figure-11@8.[297,1291,265,1671]" captionTargetPageId="8" captionText="Fig. 3. Light microscopy DIC. Polymerurus insularis sp. nov., holotype (ZUEC GCH 55). AC. Correspond to the most anterior third of the specimen. A. Anterior dorsal region. B. Anterior internal region. C. anterior ventral region. DF. Correspond to the trunk. D. Dorsal trunk. E. Internal trunk. F. Ventral trunk. GI. Correspond to the posterior third of the specimen. G. Dorsal posterior third. H. Internal posterior third. I. Ventral posterior third. Abbreviations: ce = cephalion; ct = cephalic bristles; eg = egg; hy = hypostomium; i = intestine; is = interciliary spines; lc = locomotory cilia; lce = lateral cephalic expansions; mo = mouth; ne = nephridia; pl = pleurae; ph = pharynx; PhIJ = pharyngealintestinal junction; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; vs = Type 1 ventral scale. Scale bars = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.7401639" httpUri="https://zenodo.org/record/7401639/files/figure.png" pageId="6" pageNumber="68">3AI</figureCitation>
and
<figureCitation id="131D2A2E670EFFF3372341D2FD80F969" box="[563,633,1676,1703]" captionStart="Fig" captionStartId="11.[189,232,1888,1914]" captionTargetBox="[236,1352,273,1850]" captionTargetId="figure-18@11.[236,1352,265,1852]" captionTargetPageId="11" captionText="Fig. 4. Light microscopy DIC. Polymerurus insularis sp. nov. Posterior region of the body. A. Paratype (ZUEC GCH 56). B, D. Holotype (ZUEC GCH 55). C. Paratype (ZUEC GCH 57). AB. Posterior dorsal view. C. Posterior dorsolateral view. D. Posterior ventral view. Abbreviations: fr = furcal rami; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales. Scale bars = 40 µm." figureDoi="http://doi.org/10.5281/zenodo.7401641" httpUri="https://zenodo.org/record/7401641/files/figure.png" pageId="6" pageNumber="68">4B, D</figureCitation>
.
</paragraph>
<paragraph id="8B9936AB670EFFF335FA4190FE15F89F" blockId="6.[189,1398,1742,1874]" pageId="6" pageNumber="68">
<materialsCitation id="3B4E3CF6670EFFF335FA4190FD9FF8E1" ID-GBIF-Occurrence="3081185302" collectionCode="ZUEC" collectorName="de Noronha" country="Brazil" location="BRAZIL" municipality="Fernando de Noronha archipelago" pageId="6" pageNumber="68" specimenCode="GCH 56 to GCH 58" specimenCount="3" specimenCount-adult="3" stateProvince="Pernambuco" typeStatus="paratype">
<emphasis id="B952EAB9670EFFF335FA4190FE9EF926" bold="true" box="[234,359,1742,1768]" pageId="6" pageNumber="68">
<typeStatus id="549D8809670EFFF335FA4190FE9EF926" box="[234,359,1742,1768]" pageId="6" pageNumber="68" type="paratype">Paratypes</typeStatus>
</emphasis>
<collectingCountry id="F331763B670EFFF335AD41AFFEDFF8C5" box="[189,294,1777,1803]" name="Brazil" pageId="6" pageNumber="68">BRAZIL</collectingCountry>
<specimenCount id="9D20FD22670EFFF3345641AFFE5CF8C5" box="[326,421,1777,1803]" pageId="6" pageNumber="68" type="adult">3 adults</specimenCount>
specs (micrographs, the specimens were destroyed); same collection data as for holotype;
<collectionCode id="ED37AE6E670EFFF33421404AFE87F8E0" box="[305,382,1812,1838]" country="Brazil" httpUri="http://grbio.org/cool/9pz2-d68t" name="Museu de Zoologia da Universidade Estadual de Campinas" pageId="6" pageNumber="68">ZUEC</collectionCode>
<specimenCode id="DB809ED0670EFFF33493404AFD9FF8E1" box="[387,614,1812,1839]" pageId="6" pageNumber="68">GCH 56 to GCH 58</specimenCode>
</materialsCitation>
<materialsCitation id="3B4E3CF6670EFFF3376B404AFE11F89F" ID-GBIF-Occurrence="3081185303" collectionCode="ZUEC" collectorName="de Noronha" country="Brazil" location="Xareu Reservoir" municipality="Fernando de Noronha archipelago" pageId="6" pageNumber="68" specimenCode="GCH 59, GCH 60" specimenCount="2" stateProvince="Pernambuco" typeStatus="paratype">
<specimenCount id="9D20FD22670EFFF3376B404AFD29F8E0" box="[635,720,1812,1838]" pageId="6" pageNumber="68">2 specs</specimenCount>
(prepared for SEM); same collection datas as for holotype;
<collectionCode id="ED37AE6E670EFFF335AD4069FEF3F89F" box="[189,266,1847,1873]" country="Brazil" httpUri="http://grbio.org/cool/9pz2-d68t" name="Museu de Zoologia da Universidade Estadual de Campinas" pageId="6" pageNumber="68">ZUEC</collectionCode>
<specimenCode id="DB809ED0670EFFF334014069FE8FF89C" box="[273,374,1847,1874]" collectionCode="GCH" pageId="6" pageNumber="68">GCH 59</specimenCode>
,
<specimenCode id="DB809ED0670EFFF334924069FE11F89F" box="[386,488,1847,1873]" collectionCode="GCH" pageId="6" pageNumber="68">GCH 60</specimenCode>
</materialsCitation>
.
</paragraph>
<paragraph id="8B9936AB670EFFF335AD4026FA8EF817" blockId="6.[189,1399,1912,2009]" pageId="6" pageNumber="68">
Specimens were examined while still alive under a compound microscope, however, due to the fragility of their bodies, they were destroyed and are no longer available (
<bibRefCitation id="EFB74B5A670EFFF336A940C2FB29F879" author="Garraffoni A. R. &amp; Kieneke A. &amp; Kolicka M. &amp; Corgosinho P. H. &amp; Prado J. &amp; Nihei S. S. &amp; Freitas A. V." box="[953,1232,1948,1975]" pageId="6" pageNumber="68" pagination="2199 - 2207" refId="ref13493" refString="Garraffoni A. R. S, Kieneke A., Kolicka M., Corgosinho P. H., Prado J., Nihei S. S. &amp; Freitas A. V. 2019 b. ICZN Declaration 45: a remedy for the nomenclatural and typification dilemma regarding soft-bodied meiofaunal organisms? Marine Biodiversity 49: 2199 - 2207. https: // doi. org / 10.1007 / s 12526 - 019 - 00983 - 7" type="journal article" year="2019">
Garraffoni
<emphasis id="B952EAB9670EFFF3312F40C2FB83F878" box="[1087,1146,1948,1974]" italics="true" pageId="6" pageNumber="68">et al.</emphasis>
2019b
</bibRefCitation>
). Photographs of the specimens are available at the Museum of Zoology of the University of Campinas, under the
</paragraph>
<paragraph id="8B9936AB670FFFF235AD4657FCF3FE89" blockId="7.[189,1399,265,327]" pageId="7" pageNumber="69">
access numbers
<collectionCode id="ED37AE6E670FFFF2346F4657FE35FEED" box="[383,460,265,291]" country="Brazil" httpUri="http://grbio.org/cool/9pz2-d68t" name="Museu de Zoologia da Universidade Estadual de Campinas" pageId="7" pageNumber="69">ZUEC</collectionCode>
<collectionCode id="ED37AE6E670FFFF234C44657FDEBFEED" box="[468,530,265,291]" pageId="7" pageNumber="69">GCH</collectionCode>
56 to 58 (
<bibRefCitation id="EFB74B5A670FFFF2379F4657FCE4FEED" author="ICZN &amp; International Commission on Zoological Nomenclature" box="[655,797,265,291]" pageId="7" pageNumber="69" pagination="96 - 97" refId="ref14020" refString="ICZN (International Commission on Zoological Nomenclature) 2017. Declaration 45 - Addition of Recommendations to Article 73 and of the term &quot; specimen, preserved &quot; to the Glossary. The Bulletin of Zoological Nomenclature 73 (2 - 4): 96 - 97. https: // doi. org / 10.21805 / bzn. v 73 i 2. a 2" type="journal article" year="2017">ICZN 2017</bibRefCitation>
: Article 73, Recommendation 73G, Statement 45). An example of
<typeStatus id="549D8809670FFFF234644673FE1DFE89" box="[372,484,301,327]" pageId="7" pageNumber="69" type="paratype">paratypes</typeStatus>
are shown in
<figureCitation id="131D2A2E670FFFF237994672FCFDFE88" box="[649,772,300,326]" captionStart="Fig" captionStartId="11.[189,232,1888,1914]" captionTargetBox="[236,1352,273,1850]" captionTargetId="figure-18@11.[236,1352,265,1852]" captionTargetPageId="11" captionText="Fig. 4. Light microscopy DIC. Polymerurus insularis sp. nov. Posterior region of the body. A. Paratype (ZUEC GCH 56). B, D. Holotype (ZUEC GCH 55). C. Paratype (ZUEC GCH 57). AB. Posterior dorsal view. C. Posterior dorsolateral view. D. Posterior ventral view. Abbreviations: fr = furcal rami; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales. Scale bars = 40 µm." figureDoi="http://doi.org/10.5281/zenodo.7401641" httpUri="https://zenodo.org/record/7401641/files/figure.png" pageId="7" pageNumber="69">Fig. 4A, C</figureCitation>
.
</paragraph>
<paragraph id="8B9936AB670FFFF235FA4633FE5FFE49" blockId="7.[189,1399,365,463]" box="[234,422,365,391]" pageId="7" pageNumber="69">
<emphasis id="B952EAB9670FFFF235FA4633FE5FFE49" bold="true" box="[234,422,365,391]" pageId="7" pageNumber="69">Other material</emphasis>
</paragraph>
<paragraph id="8B9936AB670FFFF235AD46CFFAD4FE00" blockId="7.[189,1399,365,463]" pageId="7" pageNumber="69">
<materialsCitation id="3B4E3CF6670FFFF235AD46CFFAD4FE00" ID-GBIF-Occurrence="3081185304" collectionCode="ZUEC" collectorName="de Noronha" country="Brazil" location="BRAZIL" municipality="Fernando de Noronha archipelago" pageId="7" pageNumber="69" specimenCount="8" stateProvince="Pernambuco">
<collectingCountry id="F331763B670FFFF235AD46CFFEDFFE65" box="[189,294,401,427]" name="Brazil" pageId="7" pageNumber="69">BRAZIL</collectingCountry>
<specimenCount id="9D20FD22670FFFF2345146CFFE60FE65" box="[321,409,401,427]" pageId="7" pageNumber="69">8 specs</specimenCount>
(examined while still alive under a compound microscope and, among those, three were prepared for DNA sequencing (no longer available)); same collection datas as for holotype.
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="C33C6520670FFFE135AD46ABFC10FA59" lastPageId="20" lastPageNumber="82" pageId="7" pageNumber="69" type="description">
<paragraph id="8B9936AB670FFFF235AD46ABFEB7FDC1" blockId="7.[189,334,501,527]" box="[189,334,501,527]" pageId="7" pageNumber="69">
<heading id="D0D181C7670FFFF235AD46ABFEB7FDC1" bold="true" box="[189,334,501,527]" fontSize="11" level="3" pageId="7" pageNumber="69" reason="3">
<emphasis id="B952EAB9670FFFF235AD46ABFEB7FDC1" bold="true" box="[189,334,501,527]" pageId="7" pageNumber="69">Description</emphasis>
</heading>
</paragraph>
<paragraph id="8B9936AB670FFFF235AD457AFB86FDF0" blockId="7.[189,1151,548,575]" box="[189,1151,548,575]" pageId="7" pageNumber="69">
The description is based on both the
<typeStatus id="549D8809670FFFF2377C457AFD2AFDF0" box="[620,723,548,574]" pageId="7" pageNumber="69" type="holotype">holotype</typeStatus>
and
<specimenCount id="9D20FD22670FFFF2361C457AFC6BFDF1" box="[780,914,548,575]" pageId="7" pageNumber="69" type="generic" typeStatus="paratypes">5 paratypes</specimenCount>
(
<figureCitation id="131D2A2E670FFFF236B2457AFBF5FDF0" box="[930,1036,548,574]" captionStart-0="Fig" captionStart-1="Fig" captionStart-2="Fig" captionStart-3="Fig" captionStart-4="Fig" captionStart-5="Fig" captionStart-6="Fig" captionStartId-0="7.[191,234,1958,1984]" captionStartId-1="8.[189,232,1705,1731]" captionStartId-2="11.[189,232,1888,1914]" captionStartId-3="12.[189,232,1642,1668]" captionStartId-4="13.[189,232,1776,1802]" captionStartId-5="15.[189,232,1816,1842]" captionStartId-6="16.[189,232,1884,1910]" captionTargetBox-0="[189,1398,1034,1924]" captionTargetBox-1="[297,1290,266,1666]" captionTargetBox-2="[236,1352,273,1850]" captionTargetBox-3="[257,1331,265,1605]" captionTargetBox-4="[365,1207,265,1701]" captionTargetBox-5="[219,1369,265,1779]" captionTargetBox-6="[189,1398,282,1825]" captionTargetId-0="figure-234@7.[189,1398,1034,1924]" captionTargetId-1="figure-11@8.[297,1291,265,1671]" captionTargetId-2="figure-18@11.[236,1352,265,1852]" captionTargetId-3="figure-11@12.[257,1331,265,1607]" captionTargetId-4="figure-17@13.[365,1222,265,1743]" captionTargetId-5="figure-18@15.[219,1369,265,1779]" captionTargetId-6="figure-12@16.[189,1398,282,1825]" captionTargetPageId-0="7" captionTargetPageId-1="8" captionTargetPageId-2="11" captionTargetPageId-3="12" captionTargetPageId-4="13" captionTargetPageId-5="15" captionTargetPageId-6="16" captionText-0="Fig. 2. Light microscopy DIC. Polymerurus insularis sp. nov., holotype (ZUEC GCH 55). Full body view. A. Dorsal view. B. Internal view. C. Ventral view. Scale bars = 30 µm." captionText-1="Fig. 3. Light microscopy DIC. Polymerurus insularis sp. nov., holotype (ZUEC GCH 55). AC. Correspond to the most anterior third of the specimen. A. Anterior dorsal region. B. Anterior internal region. C. anterior ventral region. DF. Correspond to the trunk. D. Dorsal trunk. E. Internal trunk. F. Ventral trunk. GI. Correspond to the posterior third of the specimen. G. Dorsal posterior third. H. Internal posterior third. I. Ventral posterior third. Abbreviations: ce = cephalion; ct = cephalic bristles; eg = egg; hy = hypostomium; i = intestine; is = interciliary spines; lc = locomotory cilia; lce = lateral cephalic expansions; mo = mouth; ne = nephridia; pl = pleurae; ph = pharynx; PhIJ = pharyngealintestinal junction; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; vs = Type 1 ventral scale. Scale bars = 20 µm." captionText-2="Fig. 4. Light microscopy DIC. Polymerurus insularis sp. nov. Posterior region of the body. A. Paratype (ZUEC GCH 56). B, D. Holotype (ZUEC GCH 55). C. Paratype (ZUEC GCH 57). AB. Posterior dorsal view. C. Posterior dorsolateral view. D. Posterior ventral view. Abbreviations: fr = furcal rami; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales. Scale bars = 40 µm." captionText-3="Fig. 5. Close-up of the different types of scales described forPolymerurusinsularis sp. nov.AC. Paratype (ZUEC GCH 59). D, F. Holotype (ZUEC GCH 55). E. Paratype (ZUEC GCH 56). AC. Scanning electron microscopy. DF. Light microscopy DIC. A. Detail of a section of the dorsal middle trunk, showing the most common type of scale, Type 1, with emphasis on its characteristic shape. B. Detail of a section of the dorsal posterior trunk, showing Type 2 and Type 3 scales. CE. Detail of the transition between the dorsal posterior trunk and the dorsal furca base, showing the particular scale covering of this region. F. Detail of the transition between the ventral posterior trunk and the ventral furca base, showing the particular scale covering this region. Abbreviations: sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; sc-5 = Type 5 scales; sc-6 = Type 6 scales; sc-7 = Type 7 scales; sc-8 = Type 8 scales; svs = small ventral pair of spines. Scale bars: AC = 5 µm; D = 10 µm; E = 15 µm; F = 10 µm." captionText-4="Fig. 6. Schematic illustration of dorsal and ventral posterior regions and type scales of Polymerurus insularis sp. nov. AB. Paratype (ZUEC GCH 56). A. Dorsal view of the posterior end. Some Type 1 scales are faded for a better visualization of Types 2, 3 and 5 scales. B. Ventral view of the posterior end. C. Each type of scale, individually depicted (not to scale). Abbreviations: ff = furcal furrow; fr = furcal rami; lc = locomotory cilia; is = interciliary spines; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; sc-5 = Type 5 scales; sc-6 = Type 6 scales; sc-7 = Type 7 scales; sc-8 = Type 8 scales. Scale bars = 40 µm." captionText-5="Fig. 7. Scanning electron microscopy. Polymerurus insularis sp. nov. AB, DE. Paratype (ZUEC GCH 59). C. Paratype (ZUEC GCH 60). A. Dorsal view of the body. B. Dorsolateral view of the head, showing the cephalion and its lateral projections. C. Lateral view of the head, highlighting the lateral pleurae. DE. Dorsal trunk view, highlighting scale Type 1. Abbreviations: ce = cephalion; fr = furcal rami; lc = locomotory cilia; lce = lateral cephalic expansions; pl = pleurae; sc-1 = Type 1 scales. Scale bars: A = 40 µm; BC = 5 µm; D = 20 µm; E = 10 µm." captionText-6="Fig. 8. Scanning electron microscopy. Polymerurus insularis sp. nov. AB, D. Paratype (ZUEC GCH 59). C, E. Paratype (ZUEC GCH 60). AB. Posterior dorsal view. C. Detail of the furca base in posterior dorsolateral view. DE. Details of the furcal rami. Abbreviations: fb = furca base; fr = furcal rami; sc-4 = Type 4 scales; sc-5 = Type 5 scales. Scale bars = 10 µm." figureDoi-0="http://doi.org/10.5281/zenodo.7401637" figureDoi-1="http://doi.org/10.5281/zenodo.7401639" figureDoi-2="http://doi.org/10.5281/zenodo.7401641" figureDoi-3="http://doi.org/10.5281/zenodo.7401643" figureDoi-4="http://doi.org/10.5281/zenodo.7401647" figureDoi-5="http://doi.org/10.5281/zenodo.7401649" figureDoi-6="http://doi.org/10.5281/zenodo.7401653" httpUri-0="https://zenodo.org/record/7401637/files/figure.png" httpUri-1="https://zenodo.org/record/7401639/files/figure.png" httpUri-2="https://zenodo.org/record/7401641/files/figure.png" httpUri-3="https://zenodo.org/record/7401643/files/figure.png" httpUri-4="https://zenodo.org/record/7401647/files/figure.png" httpUri-5="https://zenodo.org/record/7401649/files/figure.png" httpUri-6="https://zenodo.org/record/7401653/files/figure.png" pageId="7" pageNumber="69">Figs 28</figureCitation>
;
<tableCitation id="C6A40310670FFFF23108457AFB88FDF0" box="[1048,1137,548,574]" captionStart="Table 2" captionStartId="9.[189,264,265,293]" captionTargetBox="[194,1365,456,1978]" captionText="Table 2 (continued on next page). Morphometric features of Polymerurus insularis sp. nov. All scale lengths for which the scale type is not specified are from Type 1 scales. Abbrevation: N = total number of measured adult specimens." httpUri="http://table.plazi.org/id/DF5966236701FFFC35AD4657FD1BFEBD" pageId="7" pageNumber="69" tableUuid="DF5966236701FFFC35AD4657FD1BFEBD">Table 2</tableCitation>
).
</paragraph>
<paragraph id="8B9936AB670FFFF235AD4538FEE8FCFE" blockId="7.[188,1400,613,816]" pageId="7" pageNumber="69">
HABITUS. Specimens have a slender body with total length ranging from
<quantity id="4CDE9B4E670FFFF23101453BFB94FD4E" box="[1041,1133,613,640]" metricMagnitude="-1" metricUnit="m" metricValue="2.15" pageId="7" pageNumber="69" unit="mm" value="215.0">215 µm</quantity>
to
<quantity id="4CDE9B4E670FFFF231834538FB08FD4E" box="[1171,1265,614,640]" metricMagnitude="-1" metricUnit="m" metricValue="4.08" pageId="7" pageNumber="69" unit="mm" value="408.0">408 µm</quantity>
, showing a slight neck constriction, represented by a small variation in width between the head and the neck. The cylindrical trunk is
<quantity id="4CDE9B4E670FFFF234B445F2FDE4FD08" box="[420,541,684,711]" metricMagnitude="-2" metricUnit="m" metricValue="4.3" metricValueMax="5.5" metricValueMin="3.1" pageId="7" pageNumber="69" unit="mm" value="43.0" valueMax="55.0" valueMin="31.0">3155 µm</quantity>
wide at middle body length, showing little variation in width throughout its length, except for the set apart furcal rami, which are preceded by a pronounced constriction (
<figureCitation id="131D2A2E670FFFF230314591FA91FD27" box="[1313,1384,719,745]" captionStart="Fig" captionStartId="7.[191,234,1958,1984]" captionTargetBox="[189,1398,1034,1924]" captionTargetId="figure-234@7.[189,1398,1034,1924]" captionTargetPageId="7" captionText="Fig. 2. Light microscopy DIC. Polymerurus insularis sp. nov., holotype (ZUEC GCH 55). Full body view. A. Dorsal view. B. Internal view. C. Ventral view. Scale bars = 30 µm." figureDoi="http://doi.org/10.5281/zenodo.7401637" httpUri="https://zenodo.org/record/7401637/files/figure.png" pageId="7" pageNumber="69">Fig. 2</figureCitation>
). Body widths at head, medium length and furca base are, respectively,
<quantity id="4CDE9B4E670FFFF2311745ACFB7DFCC3" box="[1031,1156,754,781]" metricMagnitude="-2" metricUnit="m" metricValue="3.3" metricValueMax="4.2" metricValueMin="2.4" pageId="7" pageNumber="69" unit="mm" value="33.0" valueMax="42.0" valueMin="24.0">2442 µm</quantity>
,
<quantity id="4CDE9B4E670FFFF2318245ACFAF4FCC3" box="[1170,1293,754,781]" metricMagnitude="-2" metricUnit="m" metricValue="4.3" metricValueMax="5.5" metricValueMin="3.1" pageId="7" pageNumber="69" unit="mm" value="43.0" valueMax="55.0" valueMin="31.0">3155 µm</quantity>
and
<quantity id="4CDE9B4E670FFFF2305A45ACFEF4FCFE" metricMagnitude="-2" metricUnit="m" metricValue="2.4" metricValueMax="2.5" metricValueMin="2.3" pageId="7" pageNumber="69" unit="mm" value="24.0" valueMax="25.0" valueMin="23.0">23 25 µm</quantity>
.
</paragraph>
<paragraph id="8B9936AB670FFFFB35AD4409FCBDFE89" blockId="7.[189,1398,855,952]" lastBlockId="14.[189,1399,265,327]" lastPageId="14" lastPageNumber="76" pageId="7" pageNumber="69">
HEAD. The three-lobed head is
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wide and has three sets of distinct plates. The cephalion (U1U6) is
<quantity id="4CDE9B4E670FFFF234424424FE36FC5B" box="[338,463,890,917]" metricMagnitude="-2" metricUnit="m" metricValue="2.2" metricValueMax="2.5" metricValueMin="1.9" pageId="7" pageNumber="69" unit="mm" value="22.0" valueMax="25.0" valueMin="19.0">1925 µm</quantity>
long and
<quantity id="4CDE9B4E670FFFF237414424FD37FC5B" box="[593,718,890,917]" metricMagnitude="-2" metricUnit="m" metricValue="2.8" metricValueMax="3.6" metricValueMin="2.0" pageId="7" pageNumber="69" unit="mm" value="28.0" valueMax="36.0" valueMin="20.0">2036 µm</quantity>
wide, with a free (detached from the cuticle) posterior portion and short paired lateral projections (lappets), each
<quantity id="4CDE9B4E670FFFF2366B44C3FC0CFC76" box="[891,1013,925,952]" metricMagnitude="-2" metricUnit="m" metricValue="1.4" metricValueMax="1.8" metricValueMin="1.0" pageId="7" pageNumber="69" unit="mm" value="14.0" valueMax="18.0" valueMin="10.0">1018 µm</quantity>
long, posteriorly detached from the head and slightly lifted (
<figureCitation id="131D2A2E6702FFFF37194176FD95F98D" box="[521,620,1576,1603]" captionStart="Fig" captionStartId="8.[189,232,1705,1731]" captionTargetBox="[297,1290,266,1666]" captionTargetId="figure-11@8.[297,1291,265,1671]" captionTargetPageId="8" captionText="Fig. 3. Light microscopy DIC. Polymerurus insularis sp. nov., holotype (ZUEC GCH 55). AC. Correspond to the most anterior third of the specimen. A. Anterior dorsal region. B. Anterior internal region. C. anterior ventral region. DF. Correspond to the trunk. D. Dorsal trunk. E. Internal trunk. F. Ventral trunk. GI. Correspond to the posterior third of the specimen. G. Dorsal posterior third. H. Internal posterior third. I. Ventral posterior third. Abbreviations: ce = cephalion; ct = cephalic bristles; eg = egg; hy = hypostomium; i = intestine; is = interciliary spines; lc = locomotory cilia; lce = lateral cephalic expansions; mo = mouth; ne = nephridia; pl = pleurae; ph = pharynx; PhIJ = pharyngealintestinal junction; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; vs = Type 1 ventral scale. Scale bars = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.7401639" httpUri="https://zenodo.org/record/7401639/files/figure.png" pageId="10" pageNumber="72">Figs 3A</figureCitation>
,
<figureCitation id="131D2A2E6702FFFF37694177FD46F98D" box="[633,703,1577,1603]" captionStart="Fig" captionStartId="15.[189,232,1816,1842]" captionTargetBox="[219,1369,265,1779]" captionTargetId="figure-18@15.[219,1369,265,1779]" captionTargetPageId="15" captionText="Fig. 7. Scanning electron microscopy. Polymerurus insularis sp. nov. AB, DE. Paratype (ZUEC GCH 59). C. Paratype (ZUEC GCH 60). A. Dorsal view of the body. B. Dorsolateral view of the head, showing the cephalion and its lateral projections. C. Lateral view of the head, highlighting the lateral pleurae. DE. Dorsal trunk view, highlighting scale Type 1. Abbreviations: ce = cephalion; fr = furcal rami; lc = locomotory cilia; lce = lateral cephalic expansions; pl = pleurae; sc-1 = Type 1 scales. Scale bars: A = 40 µm; BC = 5 µm; D = 20 µm; E = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7401649" httpUri="https://zenodo.org/record/7401649/files/figure.png" pageId="10" pageNumber="72">7AC</figureCitation>
). There is a pair of pleurae (U2U6), each
<quantity id="4CDE9B4E6702FFFF31D14176FAC3F98D" box="[1217,1338,1576,1603]" metricMagnitude="-2" metricUnit="m" metricValue="1.35" metricValueMax="1.5" metricValueMin="1.2" pageId="10" pageNumber="72" unit="mm" value="13.5" valueMax="15.0" valueMin="12.0">1215 µm</quantity>
long and presenting a rough texture with small parallel grooves, contrasting with the smooth surface of the cephalion (
<figureCitation id="131D2A2E6702FFFF34514131FE5BF947" box="[321,418,1647,1673]" captionStart="Fig" captionStartId="8.[189,232,1705,1731]" captionTargetBox="[297,1290,266,1666]" captionTargetId="figure-11@8.[297,1291,265,1671]" captionTargetPageId="8" captionText="Fig. 3. Light microscopy DIC. Polymerurus insularis sp. nov., holotype (ZUEC GCH 55). AC. Correspond to the most anterior third of the specimen. A. Anterior dorsal region. B. Anterior internal region. C. anterior ventral region. DF. Correspond to the trunk. D. Dorsal trunk. E. Internal trunk. F. Ventral trunk. GI. Correspond to the posterior third of the specimen. G. Dorsal posterior third. H. Internal posterior third. I. Ventral posterior third. Abbreviations: ce = cephalion; ct = cephalic bristles; eg = egg; hy = hypostomium; i = intestine; is = interciliary spines; lc = locomotory cilia; lce = lateral cephalic expansions; mo = mouth; ne = nephridia; pl = pleurae; ph = pharynx; PhIJ = pharyngealintestinal junction; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; vs = Type 1 ventral scale. Scale bars = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.7401639" httpUri="https://zenodo.org/record/7401639/files/figure.png" pageId="10" pageNumber="72">Figs 3B</figureCitation>
,
<figureCitation id="131D2A2E6702FFFF34A04131FE2BF947" box="[432,466,1647,1673]" captionStart="Fig" captionStartId="15.[189,232,1816,1842]" captionTargetBox="[219,1369,265,1779]" captionTargetId="figure-18@15.[219,1369,265,1779]" captionTargetPageId="15" captionText="Fig. 7. Scanning electron microscopy. Polymerurus insularis sp. nov. AB, DE. Paratype (ZUEC GCH 59). C. Paratype (ZUEC GCH 60). A. Dorsal view of the body. B. Dorsolateral view of the head, showing the cephalion and its lateral projections. C. Lateral view of the head, highlighting the lateral pleurae. DE. Dorsal trunk view, highlighting scale Type 1. Abbreviations: ce = cephalion; fr = furcal rami; lc = locomotory cilia; lce = lateral cephalic expansions; pl = pleurae; sc-1 = Type 1 scales. Scale bars: A = 40 µm; BC = 5 µm; D = 20 µm; E = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7401649" httpUri="https://zenodo.org/record/7401649/files/figure.png" pageId="10" pageNumber="72">7C</figureCitation>
). The ventral hypostomion is a well-marked transversal bar, at U4, 13
<quantity id="4CDE9B4E6702FFFF30394131FA8EF947" box="[1321,1399,1647,1673]" metricMagnitude="-2" metricUnit="m" metricValue="1.7" pageId="10" pageNumber="72" unit="mm" value="17.0">17 µm</quantity>
long and shaped like an arch (i.e., decreasing in thickness towards the lateral extremities) with a middle concavity (
<figureCitation id="131D2A2E6702FFFF345041EBFE62F901" box="[320,411,1717,1743]" captionStart="Fig" captionStartId="8.[189,232,1705,1731]" captionTargetBox="[297,1290,266,1666]" captionTargetId="figure-11@8.[297,1291,265,1671]" captionTargetPageId="8" captionText="Fig. 3. Light microscopy DIC. Polymerurus insularis sp. nov., holotype (ZUEC GCH 55). AC. Correspond to the most anterior third of the specimen. A. Anterior dorsal region. B. Anterior internal region. C. anterior ventral region. DF. Correspond to the trunk. D. Dorsal trunk. E. Internal trunk. F. Ventral trunk. GI. Correspond to the posterior third of the specimen. G. Dorsal posterior third. H. Internal posterior third. I. Ventral posterior third. Abbreviations: ce = cephalion; ct = cephalic bristles; eg = egg; hy = hypostomium; i = intestine; is = interciliary spines; lc = locomotory cilia; lce = lateral cephalic expansions; mo = mouth; ne = nephridia; pl = pleurae; ph = pharynx; PhIJ = pharyngealintestinal junction; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; vs = Type 1 ventral scale. Scale bars = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.7401639" httpUri="https://zenodo.org/record/7401639/files/figure.png" pageId="10" pageNumber="72">Fig. 3C</figureCitation>
). Two tufts of cilia (cephalic sensory bristles) are present on each side of the head. The first tuft is shorter, approximately
<quantity id="4CDE9B4E6702FFFF37954186FD11F93D" box="[645,744,1752,1779]" metricMagnitude="-2" metricUnit="m" metricValue="1.05" pageId="10" pageNumber="72" unit="mm" value="10.5">10.5 µm</quantity>
long and located below the cephalion projections (U1), while the second is situated between the cephalion and the pleurae (U2), bearing longer cilia with an average length of
<quantity id="4CDE9B4E6702FFFF349E4041FE20F8F7" box="[398,473,1823,1849]" metricMagnitude="-2" metricUnit="m" metricValue="1.4" pageId="10" pageNumber="72" unit="mm" value="14.0">14 µm</quantity>
(
<figureCitation id="131D2A2E6702FFFF34F84041FDC7F8F7" box="[488,574,1823,1849]" captionStart="Fig" captionStartId="8.[189,232,1705,1731]" captionTargetBox="[297,1290,266,1666]" captionTargetId="figure-11@8.[297,1291,265,1671]" captionTargetPageId="8" captionText="Fig. 3. Light microscopy DIC. Polymerurus insularis sp. nov., holotype (ZUEC GCH 55). AC. Correspond to the most anterior third of the specimen. A. Anterior dorsal region. B. Anterior internal region. C. anterior ventral region. DF. Correspond to the trunk. D. Dorsal trunk. E. Internal trunk. F. Ventral trunk. GI. Correspond to the posterior third of the specimen. G. Dorsal posterior third. H. Internal posterior third. I. Ventral posterior third. Abbreviations: ce = cephalion; ct = cephalic bristles; eg = egg; hy = hypostomium; i = intestine; is = interciliary spines; lc = locomotory cilia; lce = lateral cephalic expansions; mo = mouth; ne = nephridia; pl = pleurae; ph = pharynx; PhIJ = pharyngealintestinal junction; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; vs = Type 1 ventral scale. Scale bars = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.7401639" httpUri="https://zenodo.org/record/7401639/files/figure.png" pageId="10" pageNumber="72">Fig. 3B</figureCitation>
). No dorsal sensory bristles were observed. Mouth is subterminal, with
<quantity id="4CDE9B4E6702FFFF35AC401CFEDFF893" box="[188,294,1858,1885]" metricMagnitude="-2" metricUnit="m" metricValue="1.05" metricValueMax="1.3" metricValueMin="0.8" pageId="10" pageNumber="72" unit="mm" value="10.5" valueMax="13.0" valueMin="8.0">813 µm</quantity>
of diameter and surrounded by a ring that is segmented with longitudinal ridges (
<figureCitation id="131D2A2E6702FFFF31F7401CFA9FF892" box="[1255,1382,1858,1884]" captionStart="Fig" captionStartId="8.[189,232,1705,1731]" captionTargetBox="[297,1290,266,1666]" captionTargetId="figure-11@8.[297,1291,265,1671]" captionTargetPageId="8" captionText="Fig. 3. Light microscopy DIC. Polymerurus insularis sp. nov., holotype (ZUEC GCH 55). AC. Correspond to the most anterior third of the specimen. A. Anterior dorsal region. B. Anterior internal region. C. anterior ventral region. DF. Correspond to the trunk. D. Dorsal trunk. E. Internal trunk. F. Ventral trunk. GI. Correspond to the posterior third of the specimen. G. Dorsal posterior third. H. Internal posterior third. I. Ventral posterior third. Abbreviations: ce = cephalion; ct = cephalic bristles; eg = egg; hy = hypostomium; i = intestine; is = interciliary spines; lc = locomotory cilia; lce = lateral cephalic expansions; mo = mouth; ne = nephridia; pl = pleurae; ph = pharynx; PhIJ = pharyngealintestinal junction; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; vs = Type 1 ventral scale. Scale bars = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.7401639" httpUri="https://zenodo.org/record/7401639/files/figure.png" pageId="10" pageNumber="72">Fig. 3AC</figureCitation>
). The pharynx is relatively long, reaching up to one-quarter body length (adhesive tubes excluded) and situated between U2 and U20. It is
<quantity id="4CDE9B4E6702FFFF377C40D7FD42F86D" box="[620,699,1929,1955]" metricMagnitude="-2" metricUnit="m" metricValue="7.4" pageId="10" pageNumber="72" unit="mm" value="74.0">74 µm</quantity>
long,
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wide at mid-length and divided in 2 regions, without any distinct constrictions. Pharynx becomes wider towards its inferior portion at the pharyngeal intestinal junction (from
<quantity id="4CDE9B4E6706FFFB34F24657FDD6FEED" box="[482,559,265,291]" metricMagnitude="-2" metricUnit="m" metricValue="1.9" pageId="14" pageNumber="76" unit="mm" value="19.0">19 µm</quantity>
to
<quantity id="4CDE9B4E6706FFFB37454657FD5AFEED" box="[597,675,265,291]" metricMagnitude="-2" metricUnit="m" metricValue="2.7" pageId="14" pageNumber="76" unit="mm" value="27.0">27 µm</quantity>
) while at its superior end a distinct, although small, furrow is formed at the junction of the internal regions (
<figureCitation id="131D2A2E6706FFFB37CB4672FCCDFE89" box="[731,820,300,327]" captionStart="Fig" captionStartId="8.[189,232,1705,1731]" captionTargetBox="[297,1290,266,1666]" captionTargetId="figure-11@8.[297,1291,265,1671]" captionTargetPageId="8" captionText="Fig. 3. Light microscopy DIC. Polymerurus insularis sp. nov., holotype (ZUEC GCH 55). AC. Correspond to the most anterior third of the specimen. A. Anterior dorsal region. B. Anterior internal region. C. anterior ventral region. DF. Correspond to the trunk. D. Dorsal trunk. E. Internal trunk. F. Ventral trunk. GI. Correspond to the posterior third of the specimen. G. Dorsal posterior third. H. Internal posterior third. I. Ventral posterior third. Abbreviations: ce = cephalion; ct = cephalic bristles; eg = egg; hy = hypostomium; i = intestine; is = interciliary spines; lc = locomotory cilia; lce = lateral cephalic expansions; mo = mouth; ne = nephridia; pl = pleurae; ph = pharynx; PhIJ = pharyngealintestinal junction; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; vs = Type 1 ventral scale. Scale bars = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.7401639" httpUri="https://zenodo.org/record/7401639/files/figure.png" pageId="14" pageNumber="76">Fig. 3B</figureCitation>
).
</paragraph>
<caption id="DF596623670FFFF235AF40F8FBC4F82A" ID-DOI="http://doi.org/10.5281/zenodo.7401637" ID-Zenodo-Dep="7401637" httpUri="https://zenodo.org/record/7401637/files/figure.png" pageId="7" pageNumber="69" startId="7.[191,234,1958,1984]" targetBox="[189,1398,1034,1924]" targetPageId="7">
<paragraph id="8B9936AB670FFFF235AF40F8FBC4F82A" blockId="7.[190,1399,1958,2020]" pageId="7" pageNumber="69">
<emphasis id="B952EAB9670FFFF235AF40F8FEF4F80E" bold="true" box="[191,269,1958,1984]" pageId="7" pageNumber="69">Fig. 2.</emphasis>
Light microscopy DIC.
<taxonomicName id="4C264D28670FFFF2375440F8FCB2F80E" box="[580,843,1958,1984]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="7" pageNumber="69" phylum="Gastrotricha" rank="species" species="insularis" status="sp. nov.">
<emphasis id="B952EAB9670FFFF2375440F8FCB2F80E" box="[580,843,1958,1984]" italics="true" pageId="7" pageNumber="69">Polymerurus insularis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A26157C2670FFFF2364240F9FC56F80F" box="[850,943,1959,1985]" pageId="7" pageNumber="69" rank="species">sp. nov.</taxonomicNameLabel>
, holotype (ZUEC GCH 55). Full body view.
<emphasis id="B952EAB9670FFFF234134097FEE1F82D" bold="true" box="[259,280,1993,2019]" pageId="7" pageNumber="69">A</emphasis>
. Dorsal view.
<emphasis id="B952EAB9670FFFF234D24094FE2FF82A" bold="true" box="[450,470,1994,2020]" pageId="7" pageNumber="69">B</emphasis>
. Internal view.
<emphasis id="B952EAB9670FFFF2379C4097FD58F82D" bold="true" box="[652,673,1993,2019]" pageId="7" pageNumber="69">C</emphasis>
. Ventral view. Scale bars = 30 µm.
</paragraph>
</caption>
<caption id="DF5966236700FFFD35AD41F7FD2EF813" ID-DOI="http://doi.org/10.5281/zenodo.7401639" ID-Zenodo-Dep="7401639" httpUri="https://zenodo.org/record/7401639/files/figure.png" pageId="8" pageNumber="70" startId="8.[189,232,1705,1731]" targetBox="[297,1290,266,1666]" targetPageId="8">
<paragraph id="8B9936AB6700FFFD35AD41F7FD2EF813" blockId="8.[189,1399,1705,2013]" pageId="8" pageNumber="70">
<emphasis id="B952EAB96700FFFD35AD41F7FEEDF90D" bold="true" box="[189,276,1705,1731]" pageId="8" pageNumber="70">Fig. 3.</emphasis>
Light microscopy DIC.
<taxonomicName id="4C264D286700FFFD376C41F7FC72F90D" box="[636,907,1705,1731]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="8" pageNumber="70" phylum="Gastrotricha" rank="species" species="insularis" status="sp. nov.">
<emphasis id="B952EAB96700FFFD376C41F7FC72F90D" box="[636,907,1705,1731]" italics="true" pageId="8" pageNumber="70">Polymerurus insularis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A26157C26700FFFD368C41F4FBFAF90A" box="[924,1027,1706,1732]" pageId="8" pageNumber="70" rank="species">sp. nov.</taxonomicNameLabel>
, holotype (ZUEC GCH 55).
<emphasis id="B952EAB96700FFFD35AD4192FF0FF928" bold="true" box="[189,246,1740,1766]" pageId="8" pageNumber="70">AC</emphasis>
. Correspond to the most anterior third of the specimen.
<emphasis id="B952EAB96700FFFD36BB4192FC39F928" bold="true" box="[939,960,1740,1766]" pageId="8" pageNumber="70">A</emphasis>
. Anterior dorsal region.
<emphasis id="B952EAB96700FFFD31FF4192FAFAF928" bold="true" box="[1263,1283,1740,1766]" pageId="8" pageNumber="70">B</emphasis>
. Anterior internal region.
<emphasis id="B952EAB96700FFFD346C41B1FE69F8C7" bold="true" box="[380,400,1775,1801]" pageId="8" pageNumber="70">C</emphasis>
. anterior ventral region.
<emphasis id="B952EAB96700FFFD37AC41AEFD09F8C4" bold="true" box="[700,752,1776,1802]" pageId="8" pageNumber="70">DF</emphasis>
. Correspond to the trunk.
<emphasis id="B952EAB96700FFFD313E41AEFBBBF8C4" bold="true" box="[1070,1090,1776,1802]" pageId="8" pageNumber="70">D</emphasis>
. Dorsal trunk.
<emphasis id="B952EAB96700FFFD31E941AEFAF2F8C4" bold="true" box="[1273,1291,1776,1802]" pageId="8" pageNumber="70">E</emphasis>
. Internal trunk.
<emphasis id="B952EAB96700FFFD341D404DFEE6F8E3" bold="true" box="[269,287,1811,1837]" pageId="8" pageNumber="70">F</emphasis>
. Ventral trunk.
<emphasis id="B952EAB96700FFFD34CF404CFDE9F8E2" bold="true" box="[479,528,1810,1836]" pageId="8" pageNumber="70">GI</emphasis>
. Correspond to the posterior third of the specimen.
<emphasis id="B952EAB96700FFFD319D404CFB5DF8E2" bold="true" box="[1165,1188,1810,1836]" pageId="8" pageNumber="70">G</emphasis>
. Dorsal posterior third.
<emphasis id="B952EAB96700FFFD34134068FEE3F89E" bold="true" box="[259,282,1846,1872]" pageId="8" pageNumber="70">H</emphasis>
. Internal posterior third.
<emphasis id="B952EAB96700FFFD37534068FDB7F89E" bold="true" box="[579,590,1846,1872]" pageId="8" pageNumber="70">I</emphasis>
. Ventral posterior third. Abbreviations: ce = cephalion; ct = cephalic bristles; eg = egg; hy = hypostomium; i = intestine; is = interciliary spines; lc = locomotory cilia; lce = lateral cephalic expansions; mo = mouth; ne = nephridia; pl = pleurae; ph = pharynx; PhIJ = pharyngealintestinal junction; sc-1 =
<emphasis id="B952EAB96700FFFD34E040FEFDC4F874" box="[496,573,1952,1978]" italics="true" pageId="8" pageNumber="70">Type 1</emphasis>
scales; sc-2 =
<emphasis id="B952EAB96700FFFD37FB40FEFCC1F874" box="[747,824,1952,1978]" italics="true" pageId="8" pageNumber="70">Type 2</emphasis>
scale; sc-3 =
<emphasis id="B952EAB96700FFFD36CA40FEFBDEF874" box="[986,1063,1952,1978]" italics="true" pageId="8" pageNumber="70">Type 3</emphasis>
scales; sc-4 =
<emphasis id="B952EAB96700FFFD31C440FEFAD8F874" box="[1236,1313,1952,1978]" italics="true" pageId="8" pageNumber="70">Type 4</emphasis>
scales; vs =
<emphasis id="B952EAB96700FFFD35E6409DFEBAF813" box="[246,323,1987,2013]" italics="true" pageId="8" pageNumber="70">Type 1</emphasis>
ventral scale. Scale bars = 20 µm.
</paragraph>
</caption>
<caption id="DF5966236701FFFC35AD4657FD1BFEBD" ID-Table-UUID="DF5966236701FFFC35AD4657FD1BFEBD" httpUri="http://table.plazi.org/id/DF5966236701FFFC35AD4657FD1BFEBD" pageId="9" pageNumber="71" startId="9.[189,264,265,293]" subCaptionStartIDs="9.[1173,1338,303,332]" subCaptionStarts="Abbr" targetBox="[194,1365,456,1978]" targetIsTable="true" targetPageId="9">
<paragraph id="8B9936AB6701FFFC35AD4657FD1BFEBD" blockId="9.[188,1399,265,371]" pageId="9" pageNumber="71">
<emphasis id="B952EAB96701FFFC35AD4657FED9FEE8" bold="true" box="[189,288,265,294]" pageId="9" pageNumber="71">Table 2</emphasis>
(continued on next page). Morphometric features of
<taxonomicName id="4C264D286701FFFC36D24657FB27FEE8" box="[962,1246,265,294]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="9" pageNumber="71" phylum="Gastrotricha" rank="species" species="insularis" status="sp. nov.">
<emphasis id="B952EAB96701FFFC36D24657FB27FEE8" box="[962,1246,265,294]" italics="true" pageId="9" pageNumber="71">Polymerurus insularis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A26157C26701FFFC31F64654FAB1FEE8" box="[1254,1352,266,294]" pageId="9" pageNumber="71" rank="species">sp. nov.</taxonomicNameLabel>
All scale lengths for which the scale
<typeStatus id="549D88096701FFFC3772466EFD60FE82" box="[610,665,304,332]" pageId="9" pageNumber="71">type</typeStatus>
is
<taxonomicName id="4C264D286701FFFC37AF466EFD11FE82" box="[703,744,304,332]" class="Not" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="9" pageNumber="81" phylum="Gastrotricha" rank="class">not</taxonomicName>
specified are from
<emphasis id="B952EAB96701FFFC36CF466EFBCBFE82" box="[991,1074,304,332]" italics="true" pageId="9" pageNumber="71">
<typeStatus id="549D88096701FFFC36CF466EFBE2FE82" box="[991,1051,304,332]" pageId="9" pageNumber="71">Type</typeStatus>
1
</emphasis>
scales. Abbrevation: N = total number of measured adult specimens.
</paragraph>
</caption>
<paragraph id="8B9936AB6701FFFC35D24697FAAAF874" pageId="9" pageNumber="71">
<table id="F926C40B6701000A35D24696FAACF874" box="[194,1365,456,1978]" colsContinueIn="10.[194,1365,368,1500]" gridcols="4" gridrows="32" pageId="9" pageNumber="71">
<tr id="351634E96701000A35D24696FAACFE2D" box="[194,1365,456,483]" gridrow="0" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D24696FC76FE2D" box="[194,911,456,483]" gridcol="0" gridrow="0" pageId="9" pageNumber="71">
<emphasis id="B952EAB96701FFFC35D24697FED6FE2D" bold="true" box="[194,303,457,483]" pageId="9" pageNumber="71">Features</emphasis>
</th>
<th id="76C75D956701000A36D64696FBA3FE2D" box="[966,1114,456,483]" gridcol="1" gridrow="0" pageId="9" pageNumber="71">
<emphasis id="B952EAB96701FFFC36D64697FBA3FE2C" bold="true" box="[966,1114,456,483]" pageId="9" pageNumber="71">Range (µm)</emphasis>
</th>
<th id="76C75D956701000A31914696FAF4FE2D" box="[1153,1293,456,483]" gridcol="2" gridrow="0" pageId="9" pageNumber="71">
<emphasis id="B952EAB96701FFFC31914697FAF4FE2C" bold="true" box="[1153,1293,456,483]" pageId="9" pageNumber="71">Mean (µm)</emphasis>
</th>
<th id="76C75D956701000A30504696FAACFE2D" box="[1344,1365,456,483]" gridcol="3" gridrow="0" pageId="9" pageNumber="71">
<emphasis id="B952EAB96701FFFC30504697FAACFE2D" bold="true" box="[1344,1365,457,483]" pageId="9" pageNumber="71">N</emphasis>
</th>
</tr>
<tr id="351634E96701000A35D246A7FAACFDD8" box="[194,1365,505,534]" gridrow="1" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D246A7FC76FDD8" box="[194,911,505,534]" gridcol="0" gridrow="1" pageId="9" pageNumber="71">Total body length</th>
<td id="76C75D956701000A36D646A7FBA3FDD8" box="[966,1114,505,534]" gridcol="1" gridrow="1" pageId="9" pageNumber="71">215408</td>
<td id="76C75D956701000A319146A7FAF4FDD8" box="[1153,1293,505,534]" gridcol="2" gridrow="1" pageId="9" pageNumber="71">322</td>
<td id="76C75D956701000A305046A7FAACFDD8" box="[1344,1365,505,534]" gridcol="3" gridrow="1" pageId="9" pageNumber="71">5</td>
</tr>
<tr id="351634E96701000A35D2457FFAACFD88" box="[194,1365,545,582]" gridrow="2" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D2457FFC76FD88" box="[194,911,545,582]" gridcol="0" gridrow="2" pageId="9" pageNumber="71">Body length (furcal rami excluded)</th>
<td id="76C75D956701000A36D6457FFBA3FD88" box="[966,1114,545,582]" gridcol="1" gridrow="2" pageId="9" pageNumber="71">139308</td>
<td id="76C75D956701000A3191457FFAF4FD88" box="[1153,1293,545,582]" gridcol="2" gridrow="2" pageId="9" pageNumber="71">222</td>
<td id="76C75D956701000A3050457FFAACFD88" box="[1344,1365,545,582]" gridcol="3" gridrow="2" pageId="9" pageNumber="71">5</td>
</tr>
<tr id="351634E96701000A35D24507FAACFDB8" box="[194,1365,601,630]" gridrow="3" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D24507FC76FDB8" box="[194,911,601,630]" gridcol="0" gridrow="3" pageId="9" pageNumber="71">Furcal rami length</th>
<td id="76C75D956701000A36D64507FBA3FDB8" box="[966,1114,601,630]" gridcol="1" gridrow="3" pageId="9" pageNumber="71">91.594.5</td>
<td id="76C75D956701000A31914507FAF4FDB8" box="[1153,1293,601,630]" gridcol="2" gridrow="3" pageId="9" pageNumber="71">93</td>
<td id="76C75D956701000A30504507FAACFDB8" box="[1344,1365,601,630]" gridcol="3" gridrow="3" pageId="9" pageNumber="71">2</td>
</tr>
<tr id="351634E96701000A35D245D7FAACFD68" box="[194,1365,649,678]" gridrow="4" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D245D7FC76FD68" box="[194,911,649,678]" gridcol="0" gridrow="4" pageId="9" pageNumber="71">Furcal rami + adhesive tubes length</th>
<td id="76C75D956701000A36D645D7FBA3FD68" box="[966,1114,649,678]" gridcol="1" gridrow="4" pageId="9" pageNumber="71">109117</td>
<td id="76C75D956701000A319145D7FAF4FD68" box="[1153,1293,649,678]" gridcol="2" gridrow="4" pageId="9" pageNumber="71">113</td>
<td id="76C75D956701000A305045D7FAACFD68" box="[1344,1365,649,678]" gridcol="3" gridrow="4" pageId="9" pageNumber="71">2</td>
</tr>
<tr id="351634E96701000A35D245E7FAACFD18" box="[194,1365,697,726]" gridrow="5" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D245E7FC76FD18" box="[194,911,697,726]" gridcol="0" gridrow="5" pageId="9" pageNumber="71">Adhesive tubes length</th>
<td id="76C75D956701000A36D645E7FBA3FD18" box="[966,1114,697,726]" gridcol="1" gridrow="5" pageId="9" pageNumber="71">1623</td>
<td id="76C75D956701000A319145E7FAF4FD18" box="[1153,1293,697,726]" gridcol="2" gridrow="5" pageId="9" pageNumber="71">19.5</td>
<td id="76C75D956701000A305045E7FAACFD18" box="[1344,1365,697,726]" gridcol="3" gridrow="5" pageId="9" pageNumber="71">2</td>
</tr>
<tr id="351634E96701000A35D245B7FAACFCC8" box="[194,1365,745,774]" gridrow="6" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D245B7FC76FCC8" box="[194,911,745,774]" gridcol="0" gridrow="6" pageId="9" pageNumber="71">Furca base width</th>
<td id="76C75D956701000A36D645B7FBA3FCC8" box="[966,1114,745,774]" gridcol="1" gridrow="6" pageId="9" pageNumber="71">26.527.5</td>
<td id="76C75D956701000A319145B7FAF4FCC8" box="[1153,1293,745,774]" gridcol="2" gridrow="6" pageId="9" pageNumber="71">27</td>
<td id="76C75D956701000A305045B7FAACFCC8" box="[1344,1365,745,774]" gridcol="3" gridrow="6" pageId="9" pageNumber="71">1</td>
</tr>
<tr id="351634E96701000A35D24447FAACFCF8" box="[194,1365,793,822]" gridrow="7" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D24447FC76FCF8" box="[194,911,793,822]" gridcol="0" gridrow="7" pageId="9" pageNumber="71">Number of furcal rami segments per side</th>
<td id="76C75D956701000A36D64447FBA3FCF8" box="[966,1114,793,822]" gridcol="1" gridrow="7" pageId="9" pageNumber="71">1921</td>
<td id="76C75D956701000A31914447FAF4FCF8" box="[1153,1293,793,822]" gridcol="2" gridrow="7" pageId="9" pageNumber="71">20</td>
<td id="76C75D956701000A30504447FAACFCF8" box="[1344,1365,793,822]" gridcol="3" gridrow="7" pageId="9" pageNumber="71">1</td>
</tr>
<tr id="351634E96701000A35D24417FAACFCA8" box="[194,1365,841,870]" gridrow="8" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D24417FC76FCA8" box="[194,911,841,870]" gridcol="0" gridrow="8" pageId="9" pageNumber="71">Length of ornamentation bristles on the furcal rami segments</th>
<td id="76C75D956701000A36D64417FBA3FCA8" box="[966,1114,841,870]" gridcol="1" gridrow="8" pageId="9" pageNumber="71">48</td>
<td id="76C75D956701000A31914417FAF4FCA8" box="[1153,1293,841,870]" gridcol="2" gridrow="8" pageId="9" pageNumber="71">6</td>
<td id="76C75D956701000A30504417FAACFCA8" box="[1344,1365,841,870]" gridcol="3" gridrow="8" pageId="9" pageNumber="71">3</td>
</tr>
<tr id="351634E96701000A35D24427FAACFC58" box="[194,1365,889,918]" gridrow="9" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D24427FC76FC58" box="[194,911,889,918]" gridcol="0" gridrow="9" pageId="9" pageNumber="71">Body width at head</th>
<td id="76C75D956701000A36D64427FBA3FC58" box="[966,1114,889,918]" gridcol="1" gridrow="9" pageId="9" pageNumber="71">2442</td>
<td id="76C75D956701000A31914427FAF4FC58" box="[1153,1293,889,918]" gridcol="2" gridrow="9" pageId="9" pageNumber="71">32</td>
<td id="76C75D956701000A30504427FAACFC58" box="[1344,1365,889,918]" gridcol="3" gridrow="9" pageId="9" pageNumber="71">4</td>
</tr>
<tr id="351634E96701000A35D244F7FAACFC08" box="[194,1365,937,966]" gridrow="10" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D244F7FC76FC08" box="[194,911,937,966]" gridcol="0" gridrow="10" pageId="9" pageNumber="71">Body width at medium length</th>
<td id="76C75D956701000A36D644F7FBA3FC08" box="[966,1114,937,966]" gridcol="1" gridrow="10" pageId="9" pageNumber="71">3155</td>
<td id="76C75D956701000A319144F7FAF4FC08" box="[1153,1293,937,966]" gridcol="2" gridrow="10" pageId="9" pageNumber="71">40</td>
<td id="76C75D956701000A305044F7FAACFC08" box="[1344,1365,937,966]" gridcol="3" gridrow="10" pageId="9" pageNumber="71">4</td>
</tr>
<tr id="351634E96701000A35D24483FAACFC34" box="[194,1365,989,1018]" gridrow="11" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D24483FC76FC34" box="[194,911,989,1018]" gridcol="0" gridrow="11" pageId="9" pageNumber="71">Body width at furca base</th>
<td id="76C75D956701000A36D64483FBA3FC34" box="[966,1114,989,1018]" gridcol="1" gridrow="11" pageId="9" pageNumber="71">2325</td>
<td id="76C75D956701000A31914483FAF4FC34" box="[1153,1293,989,1018]" gridcol="2" gridrow="11" pageId="9" pageNumber="71">24</td>
<td id="76C75D956701000A30504483FAACFC34" box="[1344,1365,989,1018]" gridcol="3" gridrow="11" pageId="9" pageNumber="71">4</td>
</tr>
<tr id="351634E96701000A35D24353FAACFBE4" box="[194,1365,1037,1066]" gridrow="12" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D24353FC76FBE4" box="[194,911,1037,1066]" gridcol="0" gridrow="12" pageId="9" pageNumber="71">Diameter of mouth ring</th>
<td id="76C75D956701000A36D64353FBA3FBE4" box="[966,1114,1037,1066]" gridcol="1" gridrow="12" pageId="9" pageNumber="71">813</td>
<td id="76C75D956701000A31914353FAF4FBE4" box="[1153,1293,1037,1066]" gridcol="2" gridrow="12" pageId="9" pageNumber="71">10</td>
<td id="76C75D956701000A30504353FAACFBE4" box="[1344,1365,1037,1066]" gridcol="3" gridrow="12" pageId="9" pageNumber="71">3</td>
</tr>
<tr id="351634E96701000A35D24363FAACFB94" box="[194,1365,1085,1114]" gridrow="13" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D24363FC76FB94" box="[194,911,1085,1114]" gridcol="0" gridrow="13" pageId="9" pageNumber="71">Number of cephalic lobes</th>
<td id="76C75D956701000A36D64363FBA3FB94" box="[966,1114,1085,1114]" gridcol="1" gridrow="13" pageId="9" pageNumber="71">3</td>
<td id="76C75D956701000A31914363FAF4FB94" box="[1153,1293,1085,1114]" gridcol="2" gridrow="13" pageId="9" pageNumber="71">3</td>
<td id="76C75D956701000A30504363FAACFB94" box="[1344,1365,1085,1114]" gridcol="3" gridrow="13" pageId="9" pageNumber="71">1</td>
</tr>
<tr id="351634E96701000A35D24333FAACFB44" box="[194,1365,1133,1162]" gridrow="14" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D24333FC76FB44" box="[194,911,1133,1162]" gridcol="0" gridrow="14" pageId="9" pageNumber="71">Number of head cilia tufts</th>
<td id="76C75D956701000A36D64333FBA3FB44" box="[966,1114,1133,1162]" gridcol="1" gridrow="14" pageId="9" pageNumber="71">4</td>
<td id="76C75D956701000A31914333FAF4FB44" box="[1153,1293,1133,1162]" gridcol="2" gridrow="14" pageId="9" pageNumber="71">4</td>
<td id="76C75D956701000A30504333FAACFB44" box="[1344,1365,1133,1162]" gridcol="3" gridrow="14" pageId="9" pageNumber="71">3</td>
</tr>
<tr id="351634E96701000A35D243C3FAACFB74" box="[194,1365,1181,1210]" gridrow="15" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D243C3FC76FB74" box="[194,911,1181,1210]" gridcol="0" gridrow="15" pageId="9" pageNumber="71">Length of first cilia tuft</th>
<td id="76C75D956701000A36D643C3FBA3FB74" box="[966,1114,1181,1210]" gridcol="1" gridrow="15" pageId="9" pageNumber="71">912</td>
<td id="76C75D956701000A319143C3FAF4FB74" box="[1153,1293,1181,1210]" gridcol="2" gridrow="15" pageId="9" pageNumber="71">10.5</td>
<td id="76C75D956701000A305043C3FAACFB74" box="[1344,1365,1181,1210]" gridcol="3" gridrow="15" pageId="9" pageNumber="71">1</td>
</tr>
<tr id="351634E96701000A35D24393FAACFB24" box="[194,1365,1229,1258]" gridrow="16" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D24393FC76FB24" box="[194,911,1229,1258]" gridcol="0" gridrow="16" pageId="9" pageNumber="71">Length of second cilia tuft</th>
<td id="76C75D956701000A36D64393FBA3FB24" box="[966,1114,1229,1258]" gridcol="1" gridrow="16" pageId="9" pageNumber="71">1119.5</td>
<td id="76C75D956701000A31914393FAF4FB24" box="[1153,1293,1229,1258]" gridcol="2" gridrow="16" pageId="9" pageNumber="71">14</td>
<td id="76C75D956701000A30504393FAACFB24" box="[1344,1365,1229,1258]" gridcol="3" gridrow="16" pageId="9" pageNumber="71">1</td>
</tr>
<tr id="351634E96701000A35D243A3FAACFAD4" box="[194,1365,1277,1306]" gridrow="17" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D243A3FC76FAD4" box="[194,911,1277,1306]" gridcol="0" gridrow="17" pageId="9" pageNumber="71">Cephalion length</th>
<td id="76C75D956701000A36D643A3FBA3FAD4" box="[966,1114,1277,1306]" gridcol="1" gridrow="17" pageId="9" pageNumber="71">1925</td>
<td id="76C75D956701000A319143A3FAF4FAD4" box="[1153,1293,1277,1306]" gridcol="2" gridrow="17" pageId="9" pageNumber="71">23</td>
<td id="76C75D956701000A305043A3FAACFAD4" box="[1344,1365,1277,1306]" gridcol="3" gridrow="17" pageId="9" pageNumber="71">3</td>
</tr>
<tr id="351634E96701000A35D24273FAACFA84" box="[194,1365,1325,1354]" gridrow="18" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D24273FC76FA84" box="[194,911,1325,1354]" gridcol="0" gridrow="18" pageId="9" pageNumber="71">Cephalion width</th>
<td id="76C75D956701000A36D64273FBA3FA84" box="[966,1114,1325,1354]" gridcol="1" gridrow="18" pageId="9" pageNumber="71">2036</td>
<td id="76C75D956701000A31914273FAF4FA84" box="[1153,1293,1325,1354]" gridcol="2" gridrow="18" pageId="9" pageNumber="71">28</td>
<td id="76C75D956701000A30504273FAACFA84" box="[1344,1365,1325,1354]" gridcol="3" gridrow="18" pageId="9" pageNumber="71">2</td>
</tr>
<tr id="351634E96701000A35D24203FAACFAB4" box="[194,1365,1373,1402]" gridrow="19" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D24203FC76FAB4" box="[194,911,1373,1402]" gridcol="0" gridrow="19" pageId="9" pageNumber="71">Lateral projections (lappets) length</th>
<td id="76C75D956701000A36D64203FBA3FAB4" box="[966,1114,1373,1402]" gridcol="1" gridrow="19" pageId="9" pageNumber="71">1018</td>
<td id="76C75D956701000A31914203FAF4FAB4" box="[1153,1293,1373,1402]" gridcol="2" gridrow="19" pageId="9" pageNumber="71">14</td>
<td id="76C75D956701000A30504203FAACFAB4" box="[1344,1365,1373,1402]" gridcol="3" gridrow="19" pageId="9" pageNumber="71">3</td>
</tr>
<tr id="351634E96701000A35D242D3FAACFA64" box="[194,1365,1421,1450]" gridrow="20" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D242D3FC76FA64" box="[194,911,1421,1450]" gridcol="0" gridrow="20" pageId="9" pageNumber="71">Pleurae length</th>
<td id="76C75D956701000A36D642D3FBA3FA64" box="[966,1114,1421,1450]" gridcol="1" gridrow="20" pageId="9" pageNumber="71">1215</td>
<td id="76C75D956701000A319142D3FAF4FA64" box="[1153,1293,1421,1450]" gridcol="2" gridrow="20" pageId="9" pageNumber="71">14</td>
<td id="76C75D956701000A305042D3FAACFA64" box="[1344,1365,1421,1450]" gridcol="3" gridrow="20" pageId="9" pageNumber="71">3</td>
</tr>
<tr id="351634E96701000A35D242E3FAACFA14" box="[194,1365,1469,1498]" gridrow="21" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D242E3FC76FA14" box="[194,911,1469,1498]" gridcol="0" gridrow="21" pageId="9" pageNumber="71">Hypostomium length</th>
<td id="76C75D956701000A36D642E3FBA3FA14" box="[966,1114,1469,1498]" gridcol="1" gridrow="21" pageId="9" pageNumber="71">1317</td>
<td id="76C75D956701000A319142E3FAF4FA14" box="[1153,1293,1469,1498]" gridcol="2" gridrow="21" pageId="9" pageNumber="71">15</td>
<td id="76C75D956701000A305042E3FAACFA14" box="[1344,1365,1469,1498]" gridcol="3" gridrow="21" pageId="9" pageNumber="71">2</td>
</tr>
<tr id="351634E96701000A35D242B3FAACF9C4" box="[194,1365,1517,1546]" gridrow="22" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D242B3FC76F9C4" box="[194,911,1517,1546]" gridcol="0" gridrow="22" pageId="9" pageNumber="71">Pharynx length</th>
<td id="76C75D956701000A36D642B3FBA3F9C4" box="[966,1114,1517,1546]" gridcol="1" gridrow="22" pageId="9" pageNumber="71">74</td>
<td id="76C75D956701000A319142B3FAF4F9C4" box="[1153,1293,1517,1546]" gridcol="2" gridrow="22" pageId="9" pageNumber="71">74</td>
<td id="76C75D956701000A305042B3FAACF9C4" box="[1344,1365,1517,1546]" gridcol="3" gridrow="22" pageId="9" pageNumber="71">1</td>
</tr>
<tr id="351634E96701000A35D24143FAACF9F4" box="[194,1365,1565,1594]" gridrow="23" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D24143FC76F9F4" box="[194,911,1565,1594]" gridcol="0" gridrow="23" pageId="9" pageNumber="71">Pharynx width at upper length</th>
<td id="76C75D956701000A36D64143FBA3F9F4" box="[966,1114,1565,1594]" gridcol="1" gridrow="23" pageId="9" pageNumber="71">19</td>
<td id="76C75D956701000A31914143FAF4F9F4" box="[1153,1293,1565,1594]" gridcol="2" gridrow="23" pageId="9" pageNumber="71">19</td>
<td id="76C75D956701000A30504143FAACF9F4" box="[1344,1365,1565,1594]" gridcol="3" gridrow="23" pageId="9" pageNumber="71">1</td>
</tr>
<tr id="351634E96701000A35D24113FAACF9A4" box="[194,1365,1613,1642]" gridrow="24" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D24113FC76F9A4" box="[194,911,1613,1642]" gridcol="0" gridrow="24" pageId="9" pageNumber="71">Pharynx width at medium length</th>
<td id="76C75D956701000A36D64113FBA3F9A4" box="[966,1114,1613,1642]" gridcol="1" gridrow="24" pageId="9" pageNumber="71">25</td>
<td id="76C75D956701000A31914113FAF4F9A4" box="[1153,1293,1613,1642]" gridcol="2" gridrow="24" pageId="9" pageNumber="71">25</td>
<td id="76C75D956701000A30504113FAACF9A4" box="[1344,1365,1613,1642]" gridcol="3" gridrow="24" pageId="9" pageNumber="71">1</td>
</tr>
<tr id="351634E96701000A35D24123FAACF954" box="[194,1365,1661,1690]" gridrow="25" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D24123FC76F954" box="[194,911,1661,1690]" gridcol="0" gridrow="25" pageId="9" pageNumber="71">Pharynx width at pharingeointestinal junction</th>
<td id="76C75D956701000A36D64123FBA3F954" box="[966,1114,1661,1690]" gridcol="1" gridrow="25" pageId="9" pageNumber="71">27</td>
<td id="76C75D956701000A31914123FAF4F954" box="[1153,1293,1661,1690]" gridcol="2" gridrow="25" pageId="9" pageNumber="71">27</td>
<td id="76C75D956701000A30504123FAACF954" box="[1344,1365,1661,1690]" gridcol="3" gridrow="25" pageId="9" pageNumber="71">1</td>
</tr>
<tr id="351634E96701000A35D241F3FAACF904" box="[194,1365,1709,1738]" gridrow="26" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D241F3FC76F904" box="[194,911,1709,1738]" gridcol="0" gridrow="26" pageId="9" pageNumber="71">Egg width</th>
<td id="76C75D956701000A36D641F3FBA3F904" box="[966,1114,1709,1738]" gridcol="1" gridrow="26" pageId="9" pageNumber="71">30</td>
<td id="76C75D956701000A319141F3FAF4F904" box="[1153,1293,1709,1738]" gridcol="2" gridrow="26" pageId="9" pageNumber="71">30</td>
<td id="76C75D956701000A305041F3FAACF904" box="[1344,1365,1709,1738]" gridcol="3" gridrow="26" pageId="9" pageNumber="71">1</td>
</tr>
<tr id="351634E96701000A35D24183FAACF934" box="[194,1365,1757,1786]" gridrow="27" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D24183FC76F934" box="[194,911,1757,1786]" gridcol="0" gridrow="27" pageId="9" pageNumber="71">Protonephridia length</th>
<td id="76C75D956701000A36D64183FBA3F934" box="[966,1114,1757,1786]" gridcol="1" gridrow="27" pageId="9" pageNumber="71">105</td>
<td id="76C75D956701000A31914183FAF4F934" box="[1153,1293,1757,1786]" gridcol="2" gridrow="27" pageId="9" pageNumber="71">105</td>
<td id="76C75D956701000A30504183FAACF934" box="[1344,1365,1757,1786]" gridcol="3" gridrow="27" pageId="9" pageNumber="71">1</td>
</tr>
<tr id="351634E96701000A35D24053FAACF8E4" box="[194,1365,1805,1834]" gridrow="28" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D24053FC76F8E4" box="[194,911,1805,1834]" gridcol="0" gridrow="28" pageId="9" pageNumber="71">Length of locomotory cilia</th>
<td id="76C75D956701000A36D64053FBA3F8E4" box="[966,1114,1805,1834]" gridcol="1" gridrow="28" pageId="9" pageNumber="71">58.5</td>
<td id="76C75D956701000A31914053FAF4F8E4" box="[1153,1293,1805,1834]" gridcol="2" gridrow="28" pageId="9" pageNumber="71">7</td>
<td id="76C75D956701000A30504053FAACF8E4" box="[1344,1365,1805,1834]" gridcol="3" gridrow="28" pageId="9" pageNumber="71">1</td>
</tr>
<tr id="351634E96701000A35D24063FAACF894" box="[194,1365,1853,1882]" gridrow="29" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D24063FC76F894" box="[194,911,1853,1882]" gridcol="0" gridrow="29" pageId="9" pageNumber="71">Total number of longitudinal columns of scales</th>
<td id="76C75D956701000A36D64063FBA3F894" box="[966,1114,1853,1882]" gridcol="1" gridrow="29" pageId="9" pageNumber="71">42</td>
<td id="76C75D956701000A31914063FAF4F894" box="[1153,1293,1853,1882]" gridcol="2" gridrow="29" pageId="9" pageNumber="71">42</td>
<td id="76C75D956701000A30504063FAACF894" box="[1344,1365,1853,1882]" gridcol="3" gridrow="29" pageId="9" pageNumber="71">1</td>
</tr>
<tr id="351634E96701000A35D24033FAACF844" box="[194,1365,1901,1930]" gridrow="30" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D24033FC76F844" box="[194,911,1901,1930]" gridcol="0" gridrow="30" pageId="9" pageNumber="71">Number of scales in a single longitudinal column</th>
<td id="76C75D956701000A36D64033FBA3F844" box="[966,1114,1901,1930]" gridcol="1" gridrow="30" pageId="9" pageNumber="71">55</td>
<td id="76C75D956701000A31914033FAF4F844" box="[1153,1293,1901,1930]" gridcol="2" gridrow="30" pageId="9" pageNumber="71">55</td>
<td id="76C75D956701000A30504033FAACF844" box="[1344,1365,1901,1930]" gridcol="3" gridrow="30" pageId="9" pageNumber="71">1</td>
</tr>
<tr id="351634E96701000A35D240C3FAACF874" box="[194,1365,1949,1978]" gridrow="31" pageId="9" pageNumber="71">
<th id="76C75D956701000A35D240C3FC76F874" box="[194,911,1949,1978]" gridcol="0" gridrow="31" pageId="9" pageNumber="71">Total number of horizontal rows of scales</th>
<td id="76C75D956701000A36D640C3FBA3F874" box="[966,1114,1949,1978]" gridcol="1" gridrow="31" pageId="9" pageNumber="71">64</td>
<td id="76C75D956701000A319140C3FAF4F874" box="[1153,1293,1949,1978]" gridcol="2" gridrow="31" pageId="9" pageNumber="71">64</td>
<td id="76C75D956701000A305040C3FAACF874" box="[1344,1365,1949,1978]" gridcol="3" gridrow="31" pageId="9" pageNumber="71">1</td>
</tr>
</table>
</paragraph>
<caption id="DF5966236702FFFF35AC4657FE3DFEE8" box="[188,452,265,294]" pageId="10" pageNumber="72" startId="10.[188,263,265,293]" targetBox="[194,1365,368,1500]" targetIsTable="true" targetPageId="10">
<paragraph id="8B9936AB6702FFFF35AC4657FE3DFEE8" blockId="10.[188,452,265,294]" box="[188,452,265,294]" pageId="10" pageNumber="72">
<emphasis id="B952EAB96702FFFF35AC4657FED9FEE8" bold="true" box="[188,288,265,294]" pageId="10" pageNumber="72">
<tableCitation id="C6A403106702FFFF35AC4657FED9FEE8" box="[188,288,265,294]" captionStart="Table 2" captionStartId="9.[189,264,265,293]" captionTargetBox="[194,1365,456,1978]" captionText="Table 2 (continued on next page). Morphometric features of Polymerurus insularis sp. nov. All scale lengths for which the scale type is not specified are from Type 1 scales. Abbrevation: N = total number of measured adult specimens." httpUri="http://table.plazi.org/id/DF5966236701FFFC35AD4657FD1BFEBD" pageId="10" pageNumber="72" tableUuid="DF5966236701FFFC35AD4657FD1BFEBD">Table 2</tableCitation>
</emphasis>
(continued).
</paragraph>
</caption>
<paragraph id="8B9936AB6702FFFF35D2462FFAAAFA12" pageId="10" pageNumber="72">
<table id="F926C40B6702000A35D2462EFAACFA12" box="[194,1365,368,1500]" colsContinueFrom="9.[194,1365,456,1978]" gridcols="4" gridrows="24" pageId="10" pageNumber="72">
<tr id="351634E96702000A35D2462EFAACFE45" box="[194,1365,368,395]" gridrow="0" pageId="10" pageNumber="72">
<th id="76C75D956702000A35D2462EFC6CFE45" box="[194,917,368,395]" gridcol="0" gridrow="0" pageId="10" pageNumber="72">
<emphasis id="B952EAB96702FFFF35D2462FFED6FE45" bold="true" box="[194,303,369,395]" pageId="10" pageNumber="72">Features</emphasis>
</th>
<th id="76C75D956702000A36D6462EFBA3FE45" box="[966,1114,368,395]" gridcol="1" gridrow="0" pageId="10" pageNumber="72">
<emphasis id="B952EAB96702FFFF36D6462FFBA3FE44" bold="true" box="[966,1114,368,395]" pageId="10" pageNumber="72">Range (µm)</emphasis>
</th>
<th id="76C75D956702000A3191462EFAF4FE45" box="[1153,1293,368,395]" gridcol="2" gridrow="0" pageId="10" pageNumber="72">
<emphasis id="B952EAB96702FFFF3191462FFAF4FE44" bold="true" box="[1153,1293,368,395]" pageId="10" pageNumber="72">Mean (µm)</emphasis>
</th>
<th id="76C75D956702000A3050462EFAACFE45" box="[1344,1365,368,395]" gridcol="3" gridrow="0" pageId="10" pageNumber="72">
<emphasis id="B952EAB96702FFFF3050462FFAACFE45" bold="true" box="[1344,1365,369,395]" pageId="10" pageNumber="72">N</emphasis>
</th>
</tr>
<tr id="351634E96702000A35D246C1FAACFE72" box="[194,1365,415,444]" gridrow="1" pageId="10" pageNumber="72">
<th id="76C75D956702000A35D246C1FC6CFE72" box="[194,917,415,444]" gridcol="0" gridrow="1" pageId="10" pageNumber="72">Number of scales in a single horizontal row</th>
<td id="76C75D956702000A36D646C1FBA3FE72" box="[966,1114,415,444]" gridcol="1" gridrow="1" pageId="10" pageNumber="72">10</td>
<td id="76C75D956702000A319146C1FAF4FE72" box="[1153,1293,415,444]" gridcol="2" gridrow="1" pageId="10" pageNumber="72">10</td>
<td id="76C75D956702000A305046C1FAACFE72" box="[1344,1365,415,444]" gridcol="3" gridrow="1" pageId="10" pageNumber="72">1</td>
</tr>
<tr id="351634E96702000A35D24691FAACFE22" box="[194,1365,463,492]" gridrow="2" pageId="10" pageNumber="72">
<th id="76C75D956702000A35D24691FC6CFE22" box="[194,917,463,492]" gridcol="0" gridrow="2" pageId="10" pageNumber="72">Length of neck dorsolateral scales</th>
<td id="76C75D956702000A36D64691FBA3FE22" box="[966,1114,463,492]" gridcol="1" gridrow="2" pageId="10" pageNumber="72">3.58.5</td>
<td id="76C75D956702000A31914691FAF4FE22" box="[1153,1293,463,492]" gridcol="2" gridrow="2" pageId="10" pageNumber="72">6</td>
<td id="76C75D956702000A30504691FAACFE22" box="[1344,1365,463,492]" gridcol="3" gridrow="2" pageId="10" pageNumber="72">4</td>
</tr>
<tr id="351634E96702000A35D246A1FAACFDD2" box="[194,1365,511,540]" gridrow="3" pageId="10" pageNumber="72">
<th id="76C75D956702000A35D246A1FC6CFDD2" box="[194,917,511,540]" gridcol="0" gridrow="3" pageId="10" pageNumber="72">Length of middle trunk dorsal scales</th>
<td id="76C75D956702000A36D646A1FBA3FDD2" box="[966,1114,511,540]" gridcol="1" gridrow="3" pageId="10" pageNumber="72">5.59</td>
<td id="76C75D956702000A319146A1FAF4FDD2" box="[1153,1293,511,540]" gridcol="2" gridrow="3" pageId="10" pageNumber="72">8.5</td>
<td id="76C75D956702000A305046A1FAACFDD2" box="[1344,1365,511,540]" gridcol="3" gridrow="3" pageId="10" pageNumber="72">2</td>
</tr>
<tr id="351634E96702000A35D24571FAACFD82" box="[194,1365,559,588]" gridrow="4" pageId="10" pageNumber="72">
<th id="76C75D956702000A35D24571FC6CFD82" box="[194,917,559,588]" gridcol="0" gridrow="4" pageId="10" pageNumber="72">Length of middle trunk lateral scales</th>
<td id="76C75D956702000A36D64571FBA3FD82" box="[966,1114,559,588]" gridcol="1" gridrow="4" pageId="10" pageNumber="72">6.511</td>
<td id="76C75D956702000A31914571FAF4FD82" box="[1153,1293,559,588]" gridcol="2" gridrow="4" pageId="10" pageNumber="72">8.5</td>
<td id="76C75D956702000A30504571FAACFD82" box="[1344,1365,559,588]" gridcol="3" gridrow="4" pageId="10" pageNumber="72">2</td>
</tr>
<tr id="351634E96702000A35D24501FAACFDB2" box="[194,1365,607,636]" gridrow="5" pageId="10" pageNumber="72">
<th id="76C75D956702000A35D24501FC6CFDB2" box="[194,917,607,636]" gridcol="0" gridrow="5" pageId="10" pageNumber="72">Length of rear dorsolateral scales</th>
<td id="76C75D956702000A36D64501FBA3FDB2" box="[966,1114,607,636]" gridcol="1" gridrow="5" pageId="10" pageNumber="72">7.59</td>
<td id="76C75D956702000A31914501FAF4FDB2" box="[1153,1293,607,636]" gridcol="2" gridrow="5" pageId="10" pageNumber="72">6</td>
<td id="76C75D956702000A30504501FAACFDB2" box="[1344,1365,607,636]" gridcol="3" gridrow="5" pageId="10" pageNumber="72">2</td>
</tr>
<tr id="351634E96702000A35D245D1FAACFD62" box="[194,1365,655,684]" gridrow="6" pageId="10" pageNumber="72">
<th id="76C75D956702000A35D245D1FC6CFD62" box="[194,917,655,684]" gridcol="0" gridrow="6" pageId="10" pageNumber="72">
Length of rear triangular scale (
<emphasis id="B952EAB96702FFFF372645CFFD7DFD65" box="[566,644,657,683]" italics="true" pageId="10" pageNumber="72">Type 2</emphasis>
)
</th>
<td id="76C75D956702000A36D645D1FBA3FD62" box="[966,1114,655,684]" gridcol="1" gridrow="6" pageId="10" pageNumber="72">57</td>
<td id="76C75D956702000A319145D1FAF4FD62" box="[1153,1293,655,684]" gridcol="2" gridrow="6" pageId="10" pageNumber="72">6</td>
<td id="76C75D956702000A305045D1FAACFD62" box="[1344,1365,655,684]" gridcol="3" gridrow="6" pageId="10" pageNumber="72">3</td>
</tr>
<tr id="351634E96702000A35D245E1FAACFD12" box="[194,1365,703,732]" gridrow="7" pageId="10" pageNumber="72">
<th id="76C75D956702000A35D245E1FC6CFD12" box="[194,917,703,732]" gridcol="0" gridrow="7" pageId="10" pageNumber="72">
Length of small rounded scales with posterior spines (
<emphasis id="B952EAB96702FFFF362E459FFC72FD15" box="[830,907,705,731]" italics="true" pageId="10" pageNumber="72">Type 3</emphasis>
)
</th>
<td id="76C75D956702000A36D645E1FBA3FD12" box="[966,1114,703,732]" gridcol="1" gridrow="7" pageId="10" pageNumber="72">4.5</td>
<td id="76C75D956702000A319145E1FAF4FD12" box="[1153,1293,703,732]" gridcol="2" gridrow="7" pageId="10" pageNumber="72">4.5</td>
<td id="76C75D956702000A305045E1FAACFD12" box="[1344,1365,703,732]" gridcol="3" gridrow="7" pageId="10" pageNumber="72">1</td>
</tr>
<tr id="351634E96702000A35D245B1FAACFCC2" box="[194,1365,751,780]" gridrow="8" pageId="10" pageNumber="72">
<th id="76C75D956702000A35D245B1FC6CFCC2" box="[194,917,751,780]" gridcol="0" gridrow="8" pageId="10" pageNumber="72">
Length of rear dorsal small scales (
<emphasis id="B952EAB96702FFFF374E45AFFD55FCC5" box="[606,684,753,779]" italics="true" pageId="10" pageNumber="72">Type 4</emphasis>
)
</th>
<td id="76C75D956702000A36D645B1FBA3FCC2" box="[966,1114,751,780]" gridcol="1" gridrow="8" pageId="10" pageNumber="72">2.55</td>
<td id="76C75D956702000A319145B1FAF4FCC2" box="[1153,1293,751,780]" gridcol="2" gridrow="8" pageId="10" pageNumber="72">3</td>
<td id="76C75D956702000A305045B1FAACFCC2" box="[1344,1365,751,780]" gridcol="3" gridrow="8" pageId="10" pageNumber="72">1</td>
</tr>
<tr id="351634E96702000A35D24441FAACFCF2" box="[194,1365,799,828]" gridrow="9" pageId="10" pageNumber="72">
<th id="76C75D956702000A35D24441FC6CFCF2" box="[194,917,799,828]" gridcol="0" gridrow="9" pageId="10" pageNumber="72">
Length of rear indented scales (
<emphasis id="B952EAB96702FFFF3725447FFD7BFCF5" box="[565,642,801,827]" italics="true" pageId="10" pageNumber="72">Type 5</emphasis>
)
</th>
<td id="76C75D956702000A36D64441FBA3FCF2" box="[966,1114,799,828]" gridcol="1" gridrow="9" pageId="10" pageNumber="72">78</td>
<td id="76C75D956702000A31914441FAF4FCF2" box="[1153,1293,799,828]" gridcol="2" gridrow="9" pageId="10" pageNumber="72">7.5</td>
<td id="76C75D956702000A30504441FAACFCF2" box="[1344,1365,799,828]" gridcol="3" gridrow="9" pageId="10" pageNumber="72">1</td>
</tr>
<tr id="351634E96702000A35D24411FAACFCA2" box="[194,1365,847,876]" gridrow="10" pageId="10" pageNumber="72">
<th id="76C75D956702000A35D24411FC6CFCA2" box="[194,917,847,876]" gridcol="0" gridrow="10" pageId="10" pageNumber="72">Length of neck ventral scales</th>
<td id="76C75D956702000A36D64411FBA3FCA2" box="[966,1114,847,876]" gridcol="1" gridrow="10" pageId="10" pageNumber="72">3.55</td>
<td id="76C75D956702000A31914411FAF4FCA2" box="[1153,1293,847,876]" gridcol="2" gridrow="10" pageId="10" pageNumber="72">4</td>
<td id="76C75D956702000A30504411FAACFCA2" box="[1344,1365,847,876]" gridcol="3" gridrow="10" pageId="10" pageNumber="72">2</td>
</tr>
<tr id="351634E96702000A35D24421FAACFC52" box="[194,1365,895,924]" gridrow="11" pageId="10" pageNumber="72">
<th id="76C75D956702000A35D24421FC6CFC52" box="[194,917,895,924]" gridcol="0" gridrow="11" pageId="10" pageNumber="72">Length of middle trunk ventral scales</th>
<td id="76C75D956702000A36D64421FBA3FC52" box="[966,1114,895,924]" gridcol="1" gridrow="11" pageId="10" pageNumber="72">4.5</td>
<td id="76C75D956702000A31914421FAF4FC52" box="[1153,1293,895,924]" gridcol="2" gridrow="11" pageId="10" pageNumber="72">4.5</td>
<td id="76C75D956702000A30504421FAACFC52" box="[1344,1365,895,924]" gridcol="3" gridrow="11" pageId="10" pageNumber="72">1</td>
</tr>
<tr id="351634E96702000A35D244F1FAACFC02" box="[194,1365,943,972]" gridrow="12" pageId="10" pageNumber="72">
<th id="76C75D956702000A35D244F1FC6CFC02" box="[194,917,943,972]" gridcol="0" gridrow="12" pageId="10" pageNumber="72">Length of rear trunk ventral scales</th>
<td id="76C75D956702000A36D644F1FBA3FC02" box="[966,1114,943,972]" gridcol="1" gridrow="12" pageId="10" pageNumber="72">47</td>
<td id="76C75D956702000A319144F1FAF4FC02" box="[1153,1293,943,972]" gridcol="2" gridrow="12" pageId="10" pageNumber="72">5</td>
<td id="76C75D956702000A305044F1FAACFC02" box="[1344,1365,943,972]" gridcol="3" gridrow="12" pageId="10" pageNumber="72">1</td>
</tr>
<tr id="351634E96702000A35D24481FAACFC32" box="[194,1365,991,1020]" gridrow="13" pageId="10" pageNumber="72">
<th id="76C75D956702000A35D24481FC6CFC32" box="[194,917,991,1020]" gridcol="0" gridrow="13" pageId="10" pageNumber="72">
Length of keeled ventral scales (
<emphasis id="B952EAB96702FFFF375044BFFD74FC34" box="[576,653,992,1018]" italics="true" pageId="10" pageNumber="72">Type 6</emphasis>
)
</th>
<td id="76C75D956702000A36D64481FBA3FC32" box="[966,1114,991,1020]" gridcol="1" gridrow="13" pageId="10" pageNumber="72">9.510</td>
<td id="76C75D956702000A31914481FAF4FC32" box="[1153,1293,991,1020]" gridcol="2" gridrow="13" pageId="10" pageNumber="72">10</td>
<td id="76C75D956702000A30504481FAACFC32" box="[1344,1365,991,1020]" gridcol="3" gridrow="13" pageId="10" pageNumber="72">1</td>
</tr>
<tr id="351634E96702000A35D24351FAACFBE2" box="[194,1365,1039,1068]" gridrow="14" pageId="10" pageNumber="72">
<th id="76C75D956702000A35D24351FC6CFBE2" box="[194,917,1039,1068]" gridcol="0" gridrow="14" pageId="10" pageNumber="72">
Length of small ventral elongated scales (
<emphasis id="B952EAB96702FFFF37BD434FFD03FBE5" box="[685,762,1041,1067]" italics="true" pageId="10" pageNumber="72">Type 7</emphasis>
)
</th>
<td id="76C75D956702000A36D64351FBA3FBE2" box="[966,1114,1039,1068]" gridcol="1" gridrow="14" pageId="10" pageNumber="72">3.54</td>
<td id="76C75D956702000A31914351FAF4FBE2" box="[1153,1293,1039,1068]" gridcol="2" gridrow="14" pageId="10" pageNumber="72">3.5</td>
<td id="76C75D956702000A30504351FAACFBE2" box="[1344,1365,1039,1068]" gridcol="3" gridrow="14" pageId="10" pageNumber="72">1</td>
</tr>
<tr id="351634E96702000A35D24361FAACFB92" box="[194,1365,1087,1116]" gridrow="15" pageId="10" pageNumber="72">
<th id="76C75D956702000A35D24361FC6CFB92" box="[194,917,1087,1116]" gridcol="0" gridrow="15" pageId="10" pageNumber="72">
Length of small ventral round scales (
<emphasis id="B952EAB96702FFFF376F431FFD35FB95" box="[639,716,1089,1115]" italics="true" pageId="10" pageNumber="72">Type 8</emphasis>
)
</th>
<td id="76C75D956702000A36D64361FBA3FB92" box="[966,1114,1087,1116]" gridcol="1" gridrow="15" pageId="10" pageNumber="72">4.57</td>
<td id="76C75D956702000A31914361FAF4FB92" box="[1153,1293,1087,1116]" gridcol="2" gridrow="15" pageId="10" pageNumber="72">6</td>
<td id="76C75D956702000A30504361FAACFB92" box="[1344,1365,1087,1116]" gridcol="3" gridrow="15" pageId="10" pageNumber="72">1</td>
</tr>
<tr id="351634E96702000A35D24331FAACFB42" box="[194,1365,1135,1164]" gridrow="16" pageId="10" pageNumber="72">
<th id="76C75D956702000A35D24331FC6CFB42" box="[194,917,1135,1164]" gridcol="0" gridrow="16" pageId="10" pageNumber="72">Length of head and neck dorsolateral spines</th>
<td id="76C75D956702000A36D64331FBA3FB42" box="[966,1114,1135,1164]" gridcol="1" gridrow="16" pageId="10" pageNumber="72">213</td>
<td id="76C75D956702000A31914331FAF4FB42" box="[1153,1293,1135,1164]" gridcol="2" gridrow="16" pageId="10" pageNumber="72">7.5</td>
<td id="76C75D956702000A30504331FAACFB42" box="[1344,1365,1135,1164]" gridcol="3" gridrow="16" pageId="10" pageNumber="72">2</td>
</tr>
<tr id="351634E96702000A35D243C1FAACFB72" box="[194,1365,1183,1212]" gridrow="17" pageId="10" pageNumber="72">
<th id="76C75D956702000A35D243C1FC6CFB72" box="[194,917,1183,1212]" gridcol="0" gridrow="17" pageId="10" pageNumber="72">Length of upper trunk dorsolateral spines</th>
<td id="76C75D956702000A36D643C1FBA3FB72" box="[966,1114,1183,1212]" gridcol="1" gridrow="17" pageId="10" pageNumber="72">815</td>
<td id="76C75D956702000A319143C1FAF4FB72" box="[1153,1293,1183,1212]" gridcol="2" gridrow="17" pageId="10" pageNumber="72">11.5</td>
<td id="76C75D956702000A305043C1FAACFB72" box="[1344,1365,1183,1212]" gridcol="3" gridrow="17" pageId="10" pageNumber="72">2</td>
</tr>
<tr id="351634E96702000A35D24391FAACFB22" box="[194,1365,1231,1260]" gridrow="18" pageId="10" pageNumber="72">
<th id="76C75D956702000A35D24391FC6CFB22" box="[194,917,1231,1260]" gridcol="0" gridrow="18" pageId="10" pageNumber="72">Length of middle trunk dorsolateral spines</th>
<td id="76C75D956702000A36D64391FBA3FB22" box="[966,1114,1231,1260]" gridcol="1" gridrow="18" pageId="10" pageNumber="72">8.522.5</td>
<td id="76C75D956702000A31914391FAF4FB22" box="[1153,1293,1231,1260]" gridcol="2" gridrow="18" pageId="10" pageNumber="72">15.5</td>
<td id="76C75D956702000A30504391FAACFB22" box="[1344,1365,1231,1260]" gridcol="3" gridrow="18" pageId="10" pageNumber="72">5</td>
</tr>
<tr id="351634E96702000A35D243A1FAACFAD2" box="[194,1365,1279,1308]" gridrow="19" pageId="10" pageNumber="72">
<th id="76C75D956702000A35D243A1FC6CFAD2" box="[194,917,1279,1308]" gridcol="0" gridrow="19" pageId="10" pageNumber="72">Length of rear trunk and furca base dorsolateral spines</th>
<td id="76C75D956702000A36D643A1FBA3FAD2" box="[966,1114,1279,1308]" gridcol="1" gridrow="19" pageId="10" pageNumber="72">1833</td>
<td id="76C75D956702000A319143A1FAF4FAD2" box="[1153,1293,1279,1308]" gridcol="2" gridrow="19" pageId="10" pageNumber="72">25.5</td>
<td id="76C75D956702000A305043A1FAACFAD2" box="[1344,1365,1279,1308]" gridcol="3" gridrow="19" pageId="10" pageNumber="72">5</td>
</tr>
<tr id="351634E96702000A35D24271FAACFA82" box="[194,1365,1327,1356]" gridrow="20" pageId="10" pageNumber="72">
<th id="76C75D956702000A35D24271FC6CFA82" box="[194,917,1327,1356]" gridcol="0" gridrow="20" pageId="10" pageNumber="72">Length of neck ventral spines</th>
<td id="76C75D956702000A36D64271FBA3FA82" box="[966,1114,1327,1356]" gridcol="1" gridrow="20" pageId="10" pageNumber="72">5.57.5</td>
<td id="76C75D956702000A31914271FAF4FA82" box="[1153,1293,1327,1356]" gridcol="2" gridrow="20" pageId="10" pageNumber="72">6.5</td>
<td id="76C75D956702000A30504271FAACFA82" box="[1344,1365,1327,1356]" gridcol="3" gridrow="20" pageId="10" pageNumber="72">1</td>
</tr>
<tr id="351634E96702000A35D24201FAACFAB2" box="[194,1365,1375,1404]" gridrow="21" pageId="10" pageNumber="72">
<th id="76C75D956702000A35D24201FC6CFAB2" box="[194,917,1375,1404]" gridcol="0" gridrow="21" pageId="10" pageNumber="72">Length of trunk ventral spines</th>
<td id="76C75D956702000A36D64201FBA3FAB2" box="[966,1114,1375,1404]" gridcol="1" gridrow="21" pageId="10" pageNumber="72">5.89.8</td>
<td id="76C75D956702000A31914201FAF4FAB2" box="[1153,1293,1375,1404]" gridcol="2" gridrow="21" pageId="10" pageNumber="72">8</td>
<td id="76C75D956702000A30504201FAACFAB2" box="[1344,1365,1375,1404]" gridcol="3" gridrow="21" pageId="10" pageNumber="72">2</td>
</tr>
<tr id="351634E96702000A35D242D1FAACFA62" box="[194,1365,1423,1452]" gridrow="22" pageId="10" pageNumber="72">
<th id="76C75D956702000A35D242D1FC6CFA62" box="[194,917,1423,1452]" gridcol="0" gridrow="22" pageId="10" pageNumber="72">Length of rear ventral spines</th>
<td id="76C75D956702000A36D642D1FBA3FA62" box="[966,1114,1423,1452]" gridcol="1" gridrow="22" pageId="10" pageNumber="72">5.715</td>
<td id="76C75D956702000A319142D1FAF4FA62" box="[1153,1293,1423,1452]" gridcol="2" gridrow="22" pageId="10" pageNumber="72">10</td>
<td id="76C75D956702000A305042D1FAACFA62" box="[1344,1365,1423,1452]" gridcol="3" gridrow="22" pageId="10" pageNumber="72">1</td>
</tr>
<tr id="351634E96702000A35D242E1FAACFA12" box="[194,1365,1471,1500]" gridrow="23" pageId="10" pageNumber="72">
<th id="76C75D956702000A35D242E1FC6CFA12" box="[194,917,1471,1500]" gridcol="0" gridrow="23" pageId="10" pageNumber="72">
Length of keels on
<emphasis id="B952EAB96702FFFF34B5429FFE0BFA14" box="[421,498,1472,1498]" italics="true" pageId="10" pageNumber="72">Type 6</emphasis>
scales
</th>
<td id="76C75D956702000A36D642E1FBA3FA12" box="[966,1114,1471,1500]" gridcol="1" gridrow="23" pageId="10" pageNumber="72">67</td>
<td id="76C75D956702000A319142E1FAF4FA12" box="[1153,1293,1471,1500]" gridcol="2" gridrow="23" pageId="10" pageNumber="72">6.5</td>
<td id="76C75D956702000A305042E1FAACFA12" box="[1344,1365,1471,1500]" gridcol="3" gridrow="23" pageId="10" pageNumber="72">1</td>
</tr>
</table>
</paragraph>
<caption id="DF5966236703FFFE35AD403EFA8EF82A" ID-DOI="http://doi.org/10.5281/zenodo.7401641" ID-Zenodo-Dep="7401641" httpUri="https://zenodo.org/record/7401641/files/figure.png" pageId="11" pageNumber="73" startId="11.[189,232,1888,1914]" targetBox="[236,1352,273,1850]" targetPageId="11">
<paragraph id="8B9936AB6703FFFE35AD403EFA8EF82A" blockId="11.[187,1399,1888,2020]" pageId="11" pageNumber="73">
<emphasis id="B952EAB96703FFFE35AD403EFEF0F8B4" bold="true" box="[189,265,1888,1914]" pageId="11" pageNumber="73">Fig. 4.</emphasis>
Light microscopy DIC.
<taxonomicName id="4C264D286703FFFE3725403EFCC3F8B4" box="[565,826,1888,1914]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="11" pageNumber="73" phylum="Gastrotricha" rank="species" species="insularis" status="sp. nov.">
<emphasis id="B952EAB96703FFFE3725403EFCC3F8B4" box="[565,826,1888,1914]" italics="true" pageId="11" pageNumber="73">Polymerurus insularis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A26157C26703FFFE3651403FFC63F8B5" box="[833,922,1889,1915]" pageId="11" pageNumber="73" rank="species">sp. nov.</taxonomicNameLabel>
Posterior region of the body.
<emphasis id="B952EAB96703FFFE31FC403EFAF8F8B4" bold="true" box="[1260,1281,1888,1914]" pageId="11" pageNumber="73">A</emphasis>
. Paratype (ZUEC GCH 56).
<emphasis id="B952EAB96703FFFE34B040DAFE22F850" bold="true" box="[416,475,1924,1950]" pageId="11" pageNumber="73">B, D</emphasis>
. Holotype (ZUEC GCH 55).
<emphasis id="B952EAB96703FFFE365940DDFCA7F853" bold="true" box="[841,862,1923,1949]" pageId="11" pageNumber="73">C</emphasis>
. Paratype (ZUEC GCH 57).
<emphasis id="B952EAB96703FFFE31D340DDFB02F853" bold="true" box="[1219,1275,1923,1949]" pageId="11" pageNumber="73">AB</emphasis>
. Posterior dorsal view.
<emphasis id="B952EAB96703FFFE344640F8FE93F80E" bold="true" box="[342,362,1958,1984]" pageId="11" pageNumber="73">C</emphasis>
. Posterior dorsolateral view.
<emphasis id="B952EAB96703FFFE37D840F9FD25F80F" bold="true" box="[712,732,1959,1985]" pageId="11" pageNumber="73">D</emphasis>
. Posterior ventral view. Abbreviations: fr = furcal rami; sc-1 =
<emphasis id="B952EAB96703FFFE341C4095FEA0F82A" box="[268,345,1994,2020]" italics="true" pageId="11" pageNumber="73">Type 1</emphasis>
scales; sc-2 =
<emphasis id="B952EAB96703FFFE37134095FDA9F82A" box="[515,592,1994,2020]" italics="true" pageId="11" pageNumber="73">Type 2</emphasis>
scale; sc-3 =
<emphasis id="B952EAB96703FFFE37FF4095FCC5F82A" box="[751,828,1994,2020]" italics="true" pageId="11" pageNumber="73">Type 3</emphasis>
scales; sc-4 =
<emphasis id="B952EAB96703FFFE36F64095FBCAF82A" box="[998,1075,1994,2020]" italics="true" pageId="11" pageNumber="73">Type 4</emphasis>
scales. Scale bars = 40 µm.
</paragraph>
</caption>
<caption id="DF5966236704FFF935AD4134FE65F82B" ID-DOI="http://doi.org/10.5281/zenodo.7401643" ID-Zenodo-Dep="7401643" httpUri="https://zenodo.org/record/7401643/files/figure.png" pageId="12" pageNumber="74" startId="12.[189,232,1642,1668]" targetBox="[257,1331,265,1605]" targetPageId="12">
<paragraph id="8B9936AB6704FFF935AD4134FE65F82B" blockId="12.[186,1399,1642,2021]" pageId="12" pageNumber="74">
<emphasis id="B952EAB96704FFF935AD4134FEFEF94B" bold="true" box="[189,263,1642,1669]" pageId="12" pageNumber="74">Fig. 5.</emphasis>
Close-up of the different types of scales described for
<taxonomicName id="4C264D286704FFF936774135FB90F94B" box="[871,1129,1643,1669]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="12" pageNumber="74" phylum="Gastrotricha" rank="species" species="insularis" status="sp. nov.">
<emphasis id="B952EAB96704FFF936774135FB90F94B" box="[871,1129,1643,1669]" italics="true" pageId="12" pageNumber="74">Polymerurus insularis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A26157C26704FFF931604135FB31F94B" box="[1136,1224,1643,1669]" pageId="12" pageNumber="74" rank="species">sp. nov.</taxonomicNameLabel>
<emphasis id="B952EAB96704FFF931D84134FAF8F94A" bold="true" box="[1224,1281,1642,1668]" pageId="12" pageNumber="74">AC</emphasis>
. Paratype (ZUEC GCH 59).
<emphasis id="B952EAB96704FFF934B041D0FE20F966" bold="true" box="[416,473,1678,1704]" pageId="12" pageNumber="74">D, F</emphasis>
. Holotype (ZUEC GCH 55).
<emphasis id="B952EAB96704FFF9365541D0FCA0F966" bold="true" box="[837,857,1678,1704]" pageId="12" pageNumber="74">E</emphasis>
. Paratype (ZUEC GCH 56).
<emphasis id="B952EAB96704FFF931AE41D0FB0EF966" bold="true" box="[1214,1271,1678,1704]" pageId="12" pageNumber="74">AC</emphasis>
. Scanning electron microscopy.
<emphasis id="B952EAB96704FFF934AC41EFFE09F905" bold="true" box="[444,496,1713,1739]" pageId="12" pageNumber="74">DF</emphasis>
. Light microscopy DIC.
<emphasis id="B952EAB96704FFF9362441EFFCB1F905" bold="true" box="[820,840,1713,1739]" pageId="12" pageNumber="74">A</emphasis>
. Detail of a section of the dorsal middle trunk, showing the most common type of scale,
<emphasis id="B952EAB96704FFF937B4418BFD08F920" box="[676,753,1748,1774]" italics="true" pageId="12" pageNumber="74">Type 1</emphasis>
, with emphasis on its characteristic shape.
<emphasis id="B952EAB96704FFF931FD418AFAF8F920" bold="true" box="[1261,1281,1748,1774]" pageId="12" pageNumber="74">B</emphasis>
. Detail of a section of the dorsal posterior trunk, showing
<emphasis id="B952EAB96704FFF937E341A6FCB8F8DC" box="[755,833,1784,1810]" italics="true" pageId="12" pageNumber="74">Type 2</emphasis>
and
<emphasis id="B952EAB96704FFF9366B41A6FC31F8DC" box="[891,968,1784,1810]" italics="true" pageId="12" pageNumber="74">Type 3</emphasis>
scales.
<emphasis id="B952EAB96704FFF9313641A9FBA5F8DF" bold="true" box="[1062,1116,1783,1809]" pageId="12" pageNumber="74">CE</emphasis>
. Detail of the transition between the dorsal posterior trunk and the dorsal furca base, showing the particular scale covering of this region.
<emphasis id="B952EAB96704FFF934404060FEA6F896" bold="true" box="[336,351,1854,1880]" pageId="12" pageNumber="74">F</emphasis>
. Detail of the transition between the ventral posterior trunk and the ventral furca base, showing the particular scale covering this region. Abbreviations: sc-1 =
<emphasis id="B952EAB96704FFF93134403CFB88F8B5" box="[1060,1137,1889,1915]" italics="true" pageId="12" pageNumber="74">Type 1</emphasis>
scales; sc-2 =
<emphasis id="B952EAB96704FFF9303A403CFA8EF8B5" box="[1322,1399,1889,1915]" italics="true" pageId="12" pageNumber="74">Type 2</emphasis>
scale; sc-3 =
<emphasis id="B952EAB96704FFF9344440DBFE59F850" box="[340,416,1924,1950]" italics="true" pageId="12" pageNumber="74">Type 3</emphasis>
scales; sc-4 =
<emphasis id="B952EAB96704FFF9375940DBFD6FF850" box="[585,662,1924,1950]" italics="true" pageId="12" pageNumber="74">Type 4</emphasis>
scales; sc-5 =
<emphasis id="B952EAB96704FFF9362F40DBFC72F851" box="[831,907,1925,1951]" italics="true" pageId="12" pageNumber="74">Type 5</emphasis>
scales; sc-6 =
<emphasis id="B952EAB96704FFF9312440DBFB78F850" box="[1076,1153,1924,1950]" italics="true" pageId="12" pageNumber="74">Type 6</emphasis>
scales; sc-7 =
<emphasis id="B952EAB96704FFF9303A40DBFA8EF851" box="[1322,1399,1925,1951]" italics="true" pageId="12" pageNumber="74">Type 7</emphasis>
scales; sc-8 =
<emphasis id="B952EAB96704FFF9347140F6FE57F80C" box="[353,430,1960,1986]" italics="true" pageId="12" pageNumber="74">Type 8</emphasis>
scales; svs = small ventral pair of spines. Scale bars: AC = 5 µm; D = 10 µm; E = 15 µm; F = 10 µm.
</paragraph>
</caption>
<caption id="DF5966236705FFF835AD41AEFDA8F811" ID-DOI="http://doi.org/10.5281/zenodo.7401647" ID-Zenodo-Dep="7401647" httpUri="https://zenodo.org/record/7401647/files/figure.png" pageId="13" pageNumber="75" startId="13.[189,232,1776,1802]" targetBox="[365,1207,265,1701]" targetPageId="13">
<paragraph id="8B9936AB6705FFF835AD41AEFDA8F811" blockId="13.[188,1400,1776,2015]" pageId="13" pageNumber="75">
<emphasis id="B952EAB96705FFF835AD41AEFEF4F8C5" bold="true" box="[189,269,1776,1803]" pageId="13" pageNumber="75">Fig. 6.</emphasis>
Schematic illustration of dorsal and ventral posterior regions and type scales of
<taxonomicName id="4C264D286705FFF831CF41AFFEDDF8E0" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="13" pageNumber="75" phylum="Gastrotricha" rank="species" species="insularis" status="sp. nov.">
<emphasis id="B952EAB96705FFF831CF41AFFEDDF8E0" italics="true" pageId="13" pageNumber="75">Polymerurus insularis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A26157C26705FFF8343D404BFE70F8E1" box="[301,393,1813,1839]" pageId="13" pageNumber="75" rank="species">sp. nov.</taxonomicNameLabel>
<emphasis id="B952EAB96705FFF83483404AFE31F8E0" bold="true" box="[403,456,1812,1838]" pageId="13" pageNumber="75">AB</emphasis>
. Paratype (ZUEC GCH 56).
<emphasis id="B952EAB96705FFF83634404AFCC0F8E0" bold="true" box="[804,825,1812,1838]" pageId="13" pageNumber="75">A</emphasis>
. Dorsal view of the posterior end. Some
<emphasis id="B952EAB96705FFF8303A404BFA81F8E0" box="[1322,1400,1812,1838]" italics="true" pageId="13" pageNumber="75">Type 1</emphasis>
scales are faded for a better visualization of
<emphasis id="B952EAB96705FFF837AC4066FCEAF89F" box="[700,787,1847,1873]" italics="true" pageId="13" pageNumber="75">Types 2</emphasis>
,
<emphasis id="B952EAB96705FFF836324069FCC8F89F" box="[802,817,1847,1873]" italics="true" pageId="13" pageNumber="75">3</emphasis>
and
<emphasis id="B952EAB96705FFF836774066FC8FF89C" box="[871,886,1848,1874]" italics="true" pageId="13" pageNumber="75">5</emphasis>
scales.
<emphasis id="B952EAB96705FFF836C04069FC1DF89F" bold="true" box="[976,996,1847,1873]" pageId="13" pageNumber="75">B</emphasis>
. Ventral view of the posterior end.
<emphasis id="B952EAB96705FFF835AC4004FF28F8BA" bold="true" box="[188,209,1882,1908]" pageId="13" pageNumber="75">C</emphasis>
. Each type of scale, individually depicted (
<taxonomicName id="4C264D286705FFF837DE4005FD0CF8BB" box="[718,757,1883,1909]" class="Not" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="13" pageNumber="81" phylum="Gastrotricha" rank="class">not</taxonomicName>
to scale). Abbreviations: ff = furcal furrow; fr = furcal rami; lc = locomotory cilia; is = interciliary spines; sc-1 =
<emphasis id="B952EAB96705FFF836944020FC2DF856" box="[900,980,1918,1944]" italics="true" pageId="13" pageNumber="75">Type 1</emphasis>
scales; sc-2 =
<emphasis id="B952EAB96705FFF831994020FB2FF856" box="[1161,1238,1918,1944]" italics="true" pageId="13" pageNumber="75">Type 2</emphasis>
scale; sc-3 =
<emphasis id="B952EAB96705FFF835AF40FCFEF0F875" box="[191,265,1953,1979]" italics="true" pageId="13" pageNumber="75">Type 3</emphasis>
scales; sc-4 =
<emphasis id="B952EAB96705FFF834BF40FCFE05F875" box="[431,508,1953,1979]" italics="true" pageId="13" pageNumber="75">Type 4</emphasis>
scales; sc-5 =
<emphasis id="B952EAB96705FFF837B240FCFD16F875" box="[674,751,1953,1979]" italics="true" pageId="13" pageNumber="75">Type 5</emphasis>
scales; sc-6 =
<emphasis id="B952EAB96705FFF8368540FCFC1BF875" box="[917,994,1953,1979]" italics="true" pageId="13" pageNumber="75">Type 6</emphasis>
scales; sc-7 =
<emphasis id="B952EAB96705FFF8319840FCFB2CF875" box="[1160,1237,1953,1979]" italics="true" pageId="13" pageNumber="75">Type 7</emphasis>
scales; sc-8 =
<emphasis id="B952EAB96705FFF835AC409BFEF3F810" box="[188,266,1988,2014]" italics="true" pageId="13" pageNumber="75">Type 8</emphasis>
scales. Scale bars = 40 µm.
</paragraph>
</caption>
<paragraph id="8B9936AB6706FFFB35AD4630FBF5FE65" blockId="14.[189,1398,365,428]" pageId="14" pageNumber="76">
INTERNAL ANATOMY. Internally, a pair of protonephridia (
<quantity id="4CDE9B4E6706FFFB36554633FC58FE46" box="[837,929,365,392]" metricMagnitude="-1" metricUnit="m" metricValue="1.05" pageId="14" pageNumber="76" unit="mm" value="105.0">105 µm</quantity>
long) are present, lateral to the intestine and posterior to the pharyngeointestinal junction (U29 U75) (
<figureCitation id="131D2A2E6706FFFB36B346CFFC02FE65" box="[931,1019,401,427]" captionStart="Fig" captionStartId="8.[189,232,1705,1731]" captionTargetBox="[297,1290,266,1666]" captionTargetId="figure-11@8.[297,1291,265,1671]" captionTargetPageId="8" captionText="Fig. 3. Light microscopy DIC. Polymerurus insularis sp. nov., holotype (ZUEC GCH 55). AC. Correspond to the most anterior third of the specimen. A. Anterior dorsal region. B. Anterior internal region. C. anterior ventral region. DF. Correspond to the trunk. D. Dorsal trunk. E. Internal trunk. F. Ventral trunk. GI. Correspond to the posterior third of the specimen. G. Dorsal posterior third. H. Internal posterior third. I. Ventral posterior third. Abbreviations: ce = cephalion; ct = cephalic bristles; eg = egg; hy = hypostomium; i = intestine; is = interciliary spines; lc = locomotory cilia; lce = lateral cephalic expansions; mo = mouth; ne = nephridia; pl = pleurae; ph = pharynx; PhIJ = pharyngealintestinal junction; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; vs = Type 1 ventral scale. Scale bars = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.7401639" httpUri="https://zenodo.org/record/7401639/files/figure.png" pageId="14" pageNumber="76">Fig. 3E</figureCitation>
).
</paragraph>
<paragraph id="8B9936AB6706FFFB35AD468DFCFDFCA1" blockId="14.[188,1400,465,879]" pageId="14" pageNumber="76">
FURCA. Is
<quantity id="4CDE9B4E6706FFFB3426468CFE34FE23" box="[310,461,466,493]" metricMagnitude="-1" metricUnit="m" metricValue="1.13" metricValueMax="1.17" metricValueMin="1.09" pageId="14" pageNumber="76" unit="mm" value="113.0" valueMax="117.0" valueMin="109.0">109117 µm</quantity>
long (¼ of the body) and furca base is
<quantity id="4CDE9B4E6706FFFB36A0468CFBF8FE23" box="[944,1025,466,493]" metricMagnitude="-2" metricUnit="m" metricValue="2.7" pageId="14" pageNumber="76" unit="mm" value="27.0">27 µm</quantity>
wide, showing a V-shaped gap with a large and distinct U-shaped middle furrow (“helmet like” shape, as described by
<bibRefCitation id="EFB74B5A6706FFFB31A446ABFA93FDDE" author="Roszczak R." box="[1204,1386,501,528]" pageId="14" pageNumber="76" pagination="1 - 92" refId="ref16119" refString="Roszczak R. 1969. Brzuchorzeski (Gastrotricha) srodkowej Wielkopolski. Poznanskie Towarzystwo Przyjaciol Nauk. Wydzial matematyczno-przyrodniczy. Prace Komisji Biologicznej 32 (6): 1 - 92." type="journal article" year="1969">Roszczak 1969</bibRefCitation>
). Presence of a single pair of very small ventral spines, one per side of the furrow (
<figureCitation id="131D2A2E6706FFFB316B4547FB2FFDFD" box="[1147,1238,536,563]" captionStart="Fig" captionStartId="12.[189,232,1642,1668]" captionTargetBox="[257,1331,265,1605]" captionTargetId="figure-11@12.[257,1331,265,1607]" captionTargetPageId="12" captionText="Fig. 5. Close-up of the different types of scales described forPolymerurusinsularis sp. nov.AC. Paratype (ZUEC GCH 59). D, F. Holotype (ZUEC GCH 55). E. Paratype (ZUEC GCH 56). AC. Scanning electron microscopy. DF. Light microscopy DIC. A. Detail of a section of the dorsal middle trunk, showing the most common type of scale, Type 1, with emphasis on its characteristic shape. B. Detail of a section of the dorsal posterior trunk, showing Type 2 and Type 3 scales. CE. Detail of the transition between the dorsal posterior trunk and the dorsal furca base, showing the particular scale covering of this region. F. Detail of the transition between the ventral posterior trunk and the ventral furca base, showing the particular scale covering this region. Abbreviations: sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; sc-5 = Type 5 scales; sc-6 = Type 6 scales; sc-7 = Type 7 scales; sc-8 = Type 8 scales; svs = small ventral pair of spines. Scale bars: AC = 5 µm; D = 10 µm; E = 15 µm; F = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7401643" httpUri="https://zenodo.org/record/7401643/files/figure.png" pageId="14" pageNumber="76">Fig. 5C</figureCitation>
). Furcal rami are
<quantity id="4CDE9B4E6706FFFB35F84562FECAFD98" box="[232,307,572,598]" metricMagnitude="-2" metricUnit="m" metricValue="9.3" pageId="14" pageNumber="76" unit="mm" value="93.0">93 µm</quantity>
long (around
<emphasis id="B952EAB96706FFFB34C54562FE0CFD98" bold="true" box="[469,501,572,598]" pageId="14" pageNumber="76">1/5</emphasis>
of body length) and appear to be composed of 1921 segments (
<figureCitation id="131D2A2E6706FFFB31F14562FABBFD98" box="[1249,1346,572,598]" captionStart="Fig" captionStartId="11.[189,232,1888,1914]" captionTargetBox="[236,1352,273,1850]" captionTargetId="figure-18@11.[236,1352,265,1852]" captionTargetPageId="11" captionText="Fig. 4. Light microscopy DIC. Polymerurus insularis sp. nov. Posterior region of the body. A. Paratype (ZUEC GCH 56). B, D. Holotype (ZUEC GCH 55). C. Paratype (ZUEC GCH 57). AB. Posterior dorsal view. C. Posterior dorsolateral view. D. Posterior ventral view. Abbreviations: fr = furcal rami; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales. Scale bars = 40 µm." figureDoi="http://doi.org/10.5281/zenodo.7401641" httpUri="https://zenodo.org/record/7401641/files/figure.png" pageId="14" pageNumber="76">Figs 4A</figureCitation>
,
<figureCitation id="131D2A2E6706FFFB305D4562FA8BFD98" box="[1357,1394,572,598]" captionStart="Fig" captionStartId="13.[189,232,1776,1802]" captionTargetBox="[365,1207,265,1701]" captionTargetId="figure-17@13.[365,1222,265,1743]" captionTargetPageId="13" captionText="Fig. 6. Schematic illustration of dorsal and ventral posterior regions and type scales of Polymerurus insularis sp. nov. AB. Paratype (ZUEC GCH 56). A. Dorsal view of the posterior end. Some Type 1 scales are faded for a better visualization of Types 2, 3 and 5 scales. B. Ventral view of the posterior end. C. Each type of scale, individually depicted (not to scale). Abbreviations: ff = furcal furrow; fr = furcal rami; lc = locomotory cilia; is = interciliary spines; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; sc-5 = Type 5 scales; sc-6 = Type 6 scales; sc-7 = Type 7 scales; sc-8 = Type 8 scales. Scale bars = 40 µm." figureDoi="http://doi.org/10.5281/zenodo.7401647" httpUri="https://zenodo.org/record/7401647/files/figure.png" pageId="14" pageNumber="76">6B</figureCitation>
,
<figureCitation id="131D2A2E6706FFFB35AC4501FF1AFDB7" box="[188,227,607,633]" captionStart="Fig" captionStartId="15.[189,232,1816,1842]" captionTargetBox="[219,1369,265,1779]" captionTargetId="figure-18@15.[219,1369,265,1779]" captionTargetPageId="15" captionText="Fig. 7. Scanning electron microscopy. Polymerurus insularis sp. nov. AB, DE. Paratype (ZUEC GCH 59). C. Paratype (ZUEC GCH 60). A. Dorsal view of the body. B. Dorsolateral view of the head, showing the cephalion and its lateral projections. C. Lateral view of the head, highlighting the lateral pleurae. DE. Dorsal trunk view, highlighting scale Type 1. Abbreviations: ce = cephalion; fr = furcal rami; lc = locomotory cilia; lce = lateral cephalic expansions; pl = pleurae; sc-1 = Type 1 scales. Scale bars: A = 40 µm; BC = 5 µm; D = 20 µm; E = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7401649" httpUri="https://zenodo.org/record/7401649/files/figure.png" pageId="14" pageNumber="76">7A</figureCitation>
,
<figureCitation id="131D2A2E6706FFFB35FF4501FEE8FDB7" box="[239,273,607,633]" captionStart="Fig" captionStartId="16.[189,232,1884,1910]" captionTargetBox="[189,1398,282,1825]" captionTargetId="figure-12@16.[189,1398,282,1825]" captionTargetPageId="16" captionText="Fig. 8. Scanning electron microscopy. Polymerurus insularis sp. nov. AB, D. Paratype (ZUEC GCH 59). C, E. Paratype (ZUEC GCH 60). AB. Posterior dorsal view. C. Detail of the furca base in posterior dorsolateral view. DE. Details of the furcal rami. Abbreviations: fb = furca base; fr = furcal rami; sc-4 = Type 4 scales; sc-5 = Type 5 scales. Scale bars = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7401653" httpUri="https://zenodo.org/record/7401653/files/figure.png" pageId="14" pageNumber="76">8C</figureCitation>
). Segments of the furcal rami show well marked ornamentations in both DIC and SEM images, with well defined edges and covered at both sides sometimes almost entirely with short, straight or slightly bent up spines (bristles) measuring around
<quantity id="4CDE9B4E6706FFFB360A45F8FC8CFD0E" box="[794,885,678,704]" metricMagnitude="-3" metricUnit="m" metricValue="6.0" metricValueMax="8.0" metricValueMin="4.0" pageId="14" pageNumber="76" unit="mm" value="6.0" valueMax="8.0" valueMin="4.0">48 µm</quantity>
(
<figureCitation id="131D2A2E6706FFFB369545FBFBF2FD0E" box="[901,1035,677,704]" captionStart="Fig" captionStartId="11.[189,232,1888,1914]" captionTargetBox="[236,1352,273,1850]" captionTargetId="figure-18@11.[236,1352,265,1852]" captionTargetPageId="11" captionText="Fig. 4. Light microscopy DIC. Polymerurus insularis sp. nov. Posterior region of the body. A. Paratype (ZUEC GCH 56). B, D. Holotype (ZUEC GCH 55). C. Paratype (ZUEC GCH 57). AB. Posterior dorsal view. C. Posterior dorsolateral view. D. Posterior ventral view. Abbreviations: fr = furcal rami; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales. Scale bars = 40 µm." figureDoi="http://doi.org/10.5281/zenodo.7401641" httpUri="https://zenodo.org/record/7401641/files/figure.png" pageId="14" pageNumber="76">Figs 4AC</figureCitation>
,
<figureCitation id="131D2A2E6706FFFB310745F8FBA2FD0E" box="[1047,1115,678,704]" captionStart="Fig" captionStartId="16.[189,232,1884,1910]" captionTargetBox="[189,1398,282,1825]" captionTargetId="figure-12@16.[189,1398,282,1825]" captionTargetPageId="16" captionText="Fig. 8. Scanning electron microscopy. Polymerurus insularis sp. nov. AB, D. Paratype (ZUEC GCH 59). C, E. Paratype (ZUEC GCH 60). AB. Posterior dorsal view. C. Detail of the furca base in posterior dorsolateral view. DE. Details of the furcal rami. Abbreviations: fb = furca base; fr = furcal rami; sc-4 = Type 4 scales; sc-5 = Type 5 scales. Scale bars = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7401653" httpUri="https://zenodo.org/record/7401653/files/figure.png" pageId="14" pageNumber="76">8DE</figureCitation>
). These ornamentations decrease in thickness and length towards the posterior end of the furca, which seems to be partially due to the decrease in the number and length of the spines (bristles). In fact, thickness, number and length of the spines on the ornamentation are variable among the specimens (
<figureCitation id="131D2A2E6706FFFB36F04451FBBCFCE7" box="[992,1093,783,809]" captionStart="Fig" captionStartId="7.[191,234,1958,1984]" captionTargetBox="[189,1398,1034,1924]" captionTargetId="figure-234@7.[189,1398,1034,1924]" captionTargetPageId="7" captionText="Fig. 2. Light microscopy DIC. Polymerurus insularis sp. nov., holotype (ZUEC GCH 55). Full body view. A. Dorsal view. B. Internal view. C. Ventral view. Scale bars = 30 µm." figureDoi="http://doi.org/10.5281/zenodo.7401637" httpUri="https://zenodo.org/record/7401637/files/figure.png" pageId="14" pageNumber="76">Figs 2A</figureCitation>
,
<figureCitation id="131D2A2E6706FFFB31424451FB62FCE7" box="[1106,1179,783,809]" captionStart="Fig" captionStartId="11.[189,232,1888,1914]" captionTargetBox="[236,1352,273,1850]" captionTargetId="figure-18@11.[236,1352,265,1852]" captionTargetPageId="11" captionText="Fig. 4. Light microscopy DIC. Polymerurus insularis sp. nov. Posterior region of the body. A. Paratype (ZUEC GCH 56). B, D. Holotype (ZUEC GCH 55). C. Paratype (ZUEC GCH 57). AB. Posterior dorsal view. C. Posterior dorsolateral view. D. Posterior ventral view. Abbreviations: fr = furcal rami; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales. Scale bars = 40 µm." figureDoi="http://doi.org/10.5281/zenodo.7401641" httpUri="https://zenodo.org/record/7401641/files/figure.png" pageId="14" pageNumber="76">4AC</figureCitation>
,
<figureCitation id="131D2A2E6706FFFB31B84451FB12FCE7" box="[1192,1259,783,809]" captionStart="Fig" captionStartId="16.[189,232,1884,1910]" captionTargetBox="[189,1398,282,1825]" captionTargetId="figure-12@16.[189,1398,282,1825]" captionTargetPageId="16" captionText="Fig. 8. Scanning electron microscopy. Polymerurus insularis sp. nov. AB, D. Paratype (ZUEC GCH 59). C, E. Paratype (ZUEC GCH 60). AB. Posterior dorsal view. C. Detail of the furca base in posterior dorsolateral view. DE. Details of the furcal rami. Abbreviations: fb = furca base; fr = furcal rami; sc-4 = Type 4 scales; sc-5 = Type 5 scales. Scale bars = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7401653" httpUri="https://zenodo.org/record/7401653/files/figure.png" pageId="14" pageNumber="76">8DE</figureCitation>
). The inner portion of the first 10
<superScript id="7C539BE36706FFFB34D2446FFE36FCF1" attach="left" box="[450,463,817,831]" fontSize="6" pageId="14" pageNumber="76">th</superScript>
of the furca length, which precedes segmentation, is smooth, while the outer portion is covered by the aforementioned bristles.
</paragraph>
<paragraph id="8B9936AB6706FFFB35AD44C9FBF3FBAF" blockId="14.[189,1399,919,1121]" pageId="14" pageNumber="76">
VENTRAL CILIATURE. Composed of two longitudinal bands of locomotory cilia with approximately
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of length, starting at U1, immediately below the mouth line, and ending at U71, right before the location of the
<emphasis id="B952EAB96706FFFB348B4480FE11FC39" box="[411,488,989,1015]" italics="true" pageId="14" pageNumber="76">
<typeStatus id="549D88096706FFFB348B4480FE2BFC39" box="[411,466,990,1015]" pageId="14" pageNumber="76">Type</typeStatus>
6
</emphasis>
scales (
<figureCitation id="131D2A2E6706FFFB37554483FD47FC36" box="[581,702,989,1016]" captionStart="Fig" captionStartId="8.[189,232,1705,1731]" captionTargetBox="[297,1290,266,1666]" captionTargetId="figure-11@8.[297,1291,265,1671]" captionTargetPageId="8" captionText="Fig. 3. Light microscopy DIC. Polymerurus insularis sp. nov., holotype (ZUEC GCH 55). AC. Correspond to the most anterior third of the specimen. A. Anterior dorsal region. B. Anterior internal region. C. anterior ventral region. DF. Correspond to the trunk. D. Dorsal trunk. E. Internal trunk. F. Ventral trunk. GI. Correspond to the posterior third of the specimen. G. Dorsal posterior third. H. Internal posterior third. I. Ventral posterior third. Abbreviations: ce = cephalion; ct = cephalic bristles; eg = egg; hy = hypostomium; i = intestine; is = interciliary spines; lc = locomotory cilia; lce = lateral cephalic expansions; mo = mouth; ne = nephridia; pl = pleurae; ph = pharynx; PhIJ = pharyngealintestinal junction; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; vs = Type 1 ventral scale. Scale bars = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.7401639" httpUri="https://zenodo.org/record/7401639/files/figure.png" pageId="14" pageNumber="76">Figs 3C, I</figureCitation>
,
<figureCitation id="131D2A2E6706FFFB37DB4483FD09FC39" box="[715,752,989,1015]" captionStart="Fig" captionStartId="13.[189,232,1776,1802]" captionTargetBox="[365,1207,265,1701]" captionTargetId="figure-17@13.[365,1222,265,1743]" captionTargetPageId="13" captionText="Fig. 6. Schematic illustration of dorsal and ventral posterior regions and type scales of Polymerurus insularis sp. nov. AB. Paratype (ZUEC GCH 56). A. Dorsal view of the posterior end. Some Type 1 scales are faded for a better visualization of Types 2, 3 and 5 scales. B. Ventral view of the posterior end. C. Each type of scale, individually depicted (not to scale). Abbreviations: ff = furcal furrow; fr = furcal rami; lc = locomotory cilia; is = interciliary spines; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; sc-5 = Type 5 scales; sc-6 = Type 6 scales; sc-7 = Type 7 scales; sc-8 = Type 8 scales. Scale bars = 40 µm." figureDoi="http://doi.org/10.5281/zenodo.7401647" httpUri="https://zenodo.org/record/7401647/files/figure.png" pageId="14" pageNumber="76">6B</figureCitation>
,
<figureCitation id="131D2A2E6706FFFB37ED4483FCE6FC39" box="[765,799,989,1015]" captionStart="Fig" captionStartId="15.[189,232,1816,1842]" captionTargetBox="[219,1369,265,1779]" captionTargetId="figure-18@15.[219,1369,265,1779]" captionTargetPageId="15" captionText="Fig. 7. Scanning electron microscopy. Polymerurus insularis sp. nov. AB, DE. Paratype (ZUEC GCH 59). C. Paratype (ZUEC GCH 60). A. Dorsal view of the body. B. Dorsolateral view of the head, showing the cephalion and its lateral projections. C. Lateral view of the head, highlighting the lateral pleurae. DE. Dorsal trunk view, highlighting scale Type 1. Abbreviations: ce = cephalion; fr = furcal rami; lc = locomotory cilia; lce = lateral cephalic expansions; pl = pleurae; sc-1 = Type 1 scales. Scale bars: A = 40 µm; BC = 5 µm; D = 20 µm; E = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7401649" httpUri="https://zenodo.org/record/7401649/files/figure.png" pageId="14" pageNumber="76">7C</figureCitation>
). Ventral ciliary bands are separated by the ventral interciliary field covered by small spined scales (
<figureCitation id="131D2A2E6706FFFB37ED435EFCAAFBD5" box="[765,851,1024,1051]" captionStart="Fig" captionStartId="8.[189,232,1705,1731]" captionTargetBox="[297,1290,266,1666]" captionTargetId="figure-11@8.[297,1291,265,1671]" captionTargetPageId="8" captionText="Fig. 3. Light microscopy DIC. Polymerurus insularis sp. nov., holotype (ZUEC GCH 55). AC. Correspond to the most anterior third of the specimen. A. Anterior dorsal region. B. Anterior internal region. C. anterior ventral region. DF. Correspond to the trunk. D. Dorsal trunk. E. Internal trunk. F. Ventral trunk. GI. Correspond to the posterior third of the specimen. G. Dorsal posterior third. H. Internal posterior third. I. Ventral posterior third. Abbreviations: ce = cephalion; ct = cephalic bristles; eg = egg; hy = hypostomium; i = intestine; is = interciliary spines; lc = locomotory cilia; lce = lateral cephalic expansions; mo = mouth; ne = nephridia; pl = pleurae; ph = pharynx; PhIJ = pharyngealintestinal junction; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; vs = Type 1 ventral scale. Scale bars = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.7401639" httpUri="https://zenodo.org/record/7401639/files/figure.png" pageId="14" pageNumber="76">Figs 3I</figureCitation>
,
<figureCitation id="131D2A2E6706FFFB3670435EFC7AFBD4" box="[864,899,1024,1050]" captionStart="Fig" captionStartId="13.[189,232,1776,1802]" captionTargetBox="[365,1207,265,1701]" captionTargetId="figure-17@13.[365,1222,265,1743]" captionTargetPageId="13" captionText="Fig. 6. Schematic illustration of dorsal and ventral posterior regions and type scales of Polymerurus insularis sp. nov. AB. Paratype (ZUEC GCH 56). A. Dorsal view of the posterior end. Some Type 1 scales are faded for a better visualization of Types 2, 3 and 5 scales. B. Ventral view of the posterior end. C. Each type of scale, individually depicted (not to scale). Abbreviations: ff = furcal furrow; fr = furcal rami; lc = locomotory cilia; is = interciliary spines; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; sc-5 = Type 5 scales; sc-6 = Type 6 scales; sc-7 = Type 7 scales; sc-8 = Type 8 scales. Scale bars = 40 µm." figureDoi="http://doi.org/10.5281/zenodo.7401647" httpUri="https://zenodo.org/record/7401647/files/figure.png" pageId="14" pageNumber="76">6B</figureCitation>
). Although cilia are
<taxonomicName id="4C264D286706FFFB3166435FFB62FBD5" box="[1142,1179,1025,1051]" class="Not" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="14" pageNumber="81" phylum="Gastrotricha" rank="class">not</taxonomicName>
well visible in the pictures and were
<taxonomicName id="4C264D286706FFFB3482437AFE4EFBF0" box="[402,439,1060,1086]" class="Not" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="14" pageNumber="81" phylum="Gastrotricha" rank="class">not</taxonomicName>
very well oriented for measurements, due to the position and preservation state of the individuals, they are depicted in the illustrated schematics (
<figureCitation id="131D2A2E6706FFFB368F4319FC00FBAF" box="[927,1017,1095,1121]" captionStart="Fig" captionStartId="13.[189,232,1776,1802]" captionTargetBox="[365,1207,265,1701]" captionTargetId="figure-17@13.[365,1222,265,1743]" captionTargetPageId="13" captionText="Fig. 6. Schematic illustration of dorsal and ventral posterior regions and type scales of Polymerurus insularis sp. nov. AB. Paratype (ZUEC GCH 56). A. Dorsal view of the posterior end. Some Type 1 scales are faded for a better visualization of Types 2, 3 and 5 scales. B. Ventral view of the posterior end. C. Each type of scale, individually depicted (not to scale). Abbreviations: ff = furcal furrow; fr = furcal rami; lc = locomotory cilia; is = interciliary spines; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; sc-5 = Type 5 scales; sc-6 = Type 6 scales; sc-7 = Type 7 scales; sc-8 = Type 8 scales. Scale bars = 40 µm." figureDoi="http://doi.org/10.5281/zenodo.7401647" httpUri="https://zenodo.org/record/7401647/files/figure.png" pageId="14" pageNumber="76">Fig. 6B</figureCitation>
).
</paragraph>
<paragraph id="8B9936AB6706FFE435AD43D7FEEBFDD4" blockId="14.[188,1400,1160,1996]" lastBlockId="17.[188,1399,265,538]" lastPageId="17" lastPageNumber="79" pageId="14" pageNumber="76">
DORSAL SCALES. Most of the cuticular armature of the body is composed of simple spined scales arranged in approximately 42 longitudinal columns, each column bearing 55 scales, and approximately 64 horizontal, alternate rows, with around 10 scales per row (
<figureCitation id="131D2A2E6706FFFB36BB4391FBF1FB27" box="[939,1032,1231,1257]" captionStart="Fig" captionStartId="7.[191,234,1958,1984]" captionTargetBox="[189,1398,1034,1924]" captionTargetId="figure-234@7.[189,1398,1034,1924]" captionTargetPageId="7" captionText="Fig. 2. Light microscopy DIC. Polymerurus insularis sp. nov., holotype (ZUEC GCH 55). Full body view. A. Dorsal view. B. Internal view. C. Ventral view. Scale bars = 30 µm." figureDoi="http://doi.org/10.5281/zenodo.7401637" httpUri="https://zenodo.org/record/7401637/files/figure.png" pageId="14" pageNumber="76">Fig. 2A</figureCitation>
). Dorsolateral scales covering anterior, middle and most of the posterior body surface are roughly polygonal in shape (most presenting pentagonal or hexagonal form), with an elevated anterior portion, a distal incision and bearing a single spine (
<emphasis id="B952EAB96706FFFB341E4267FEA5FA9C" box="[270,348,1336,1362]" italics="true" pageId="14" pageNumber="76">Type 1</emphasis>
scales
<figureCitation id="131D2A2E6706FFFB34DD4266FDD7FA9D" box="[461,558,1336,1363]" captionStart="Fig" captionStartId="8.[189,232,1705,1731]" captionTargetBox="[297,1290,266,1666]" captionTargetId="figure-11@8.[297,1291,265,1671]" captionTargetPageId="8" captionText="Fig. 3. Light microscopy DIC. Polymerurus insularis sp. nov., holotype (ZUEC GCH 55). AC. Correspond to the most anterior third of the specimen. A. Anterior dorsal region. B. Anterior internal region. C. anterior ventral region. DF. Correspond to the trunk. D. Dorsal trunk. E. Internal trunk. F. Ventral trunk. GI. Correspond to the posterior third of the specimen. G. Dorsal posterior third. H. Internal posterior third. I. Ventral posterior third. Abbreviations: ce = cephalion; ct = cephalic bristles; eg = egg; hy = hypostomium; i = intestine; is = interciliary spines; lc = locomotory cilia; lce = lateral cephalic expansions; mo = mouth; ne = nephridia; pl = pleurae; ph = pharynx; PhIJ = pharyngealintestinal junction; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; vs = Type 1 ventral scale. Scale bars = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.7401639" httpUri="https://zenodo.org/record/7401639/files/figure.png" pageId="14" pageNumber="76">Figs 3D</figureCitation>
,
<figureCitation id="131D2A2E6706FFFB372B4266FD9BFA9C" box="[571,610,1336,1362]" captionStart="Fig" captionStartId="11.[189,232,1888,1914]" captionTargetBox="[236,1352,273,1850]" captionTargetId="figure-18@11.[236,1352,265,1852]" captionTargetPageId="11" captionText="Fig. 4. Light microscopy DIC. Polymerurus insularis sp. nov. Posterior region of the body. A. Paratype (ZUEC GCH 56). B, D. Holotype (ZUEC GCH 55). C. Paratype (ZUEC GCH 57). AB. Posterior dorsal view. C. Posterior dorsolateral view. D. Posterior ventral view. Abbreviations: fr = furcal rami; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales. Scale bars = 40 µm." figureDoi="http://doi.org/10.5281/zenodo.7401641" httpUri="https://zenodo.org/record/7401641/files/figure.png" pageId="14" pageNumber="76">4D</figureCitation>
,
<figureCitation id="131D2A2E6706FFFB377F4266FD6FFA9D" box="[623,662,1336,1363]" captionStart="Fig" captionStartId="12.[189,232,1642,1668]" captionTargetBox="[257,1331,265,1605]" captionTargetId="figure-11@12.[257,1331,265,1607]" captionTargetPageId="12" captionText="Fig. 5. Close-up of the different types of scales described forPolymerurusinsularis sp. nov.AC. Paratype (ZUEC GCH 59). D, F. Holotype (ZUEC GCH 55). E. Paratype (ZUEC GCH 56). AC. Scanning electron microscopy. DF. Light microscopy DIC. A. Detail of a section of the dorsal middle trunk, showing the most common type of scale, Type 1, with emphasis on its characteristic shape. B. Detail of a section of the dorsal posterior trunk, showing Type 2 and Type 3 scales. CE. Detail of the transition between the dorsal posterior trunk and the dorsal furca base, showing the particular scale covering of this region. F. Detail of the transition between the ventral posterior trunk and the ventral furca base, showing the particular scale covering this region. Abbreviations: sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; sc-5 = Type 5 scales; sc-6 = Type 6 scales; sc-7 = Type 7 scales; sc-8 = Type 8 scales; svs = small ventral pair of spines. Scale bars: AC = 5 µm; D = 10 µm; E = 15 µm; F = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7401643" httpUri="https://zenodo.org/record/7401643/files/figure.png" pageId="14" pageNumber="76">5A</figureCitation>
,
<figureCitation id="131D2A2E6706FFFB37B44266FD14FA9C" box="[676,749,1336,1362]" captionStart="Fig" captionStartId="13.[189,232,1776,1802]" captionTargetBox="[365,1207,265,1701]" captionTargetId="figure-17@13.[365,1222,265,1743]" captionTargetPageId="13" captionText="Fig. 6. Schematic illustration of dorsal and ventral posterior regions and type scales of Polymerurus insularis sp. nov. AB. Paratype (ZUEC GCH 56). A. Dorsal view of the posterior end. Some Type 1 scales are faded for a better visualization of Types 2, 3 and 5 scales. B. Ventral view of the posterior end. C. Each type of scale, individually depicted (not to scale). Abbreviations: ff = furcal furrow; fr = furcal rami; lc = locomotory cilia; is = interciliary spines; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; sc-5 = Type 5 scales; sc-6 = Type 6 scales; sc-7 = Type 7 scales; sc-8 = Type 8 scales. Scale bars = 40 µm." figureDoi="http://doi.org/10.5281/zenodo.7401647" httpUri="https://zenodo.org/record/7401647/files/figure.png" pageId="14" pageNumber="76">6AC</figureCitation>
,
<figureCitation id="131D2A2E6706FFFB37EA4267FCC7FA9D" box="[762,830,1337,1363]" captionStart="Fig" captionStartId="15.[189,232,1816,1842]" captionTargetBox="[219,1369,265,1779]" captionTargetId="figure-18@15.[219,1369,265,1779]" captionTargetPageId="15" captionText="Fig. 7. Scanning electron microscopy. Polymerurus insularis sp. nov. AB, DE. Paratype (ZUEC GCH 59). C. Paratype (ZUEC GCH 60). A. Dorsal view of the body. B. Dorsolateral view of the head, showing the cephalion and its lateral projections. C. Lateral view of the head, highlighting the lateral pleurae. DE. Dorsal trunk view, highlighting scale Type 1. Abbreviations: ce = cephalion; fr = furcal rami; lc = locomotory cilia; lce = lateral cephalic expansions; pl = pleurae; sc-1 = Type 1 scales. Scale bars: A = 40 µm; BC = 5 µm; D = 20 µm; E = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7401649" httpUri="https://zenodo.org/record/7401649/files/figure.png" pageId="14" pageNumber="76">7DE</figureCitation>
). These polygonal scales are the most common type found on the specimens, covering the majority of the body, both dorsolaterally and ventrally. They are outlined by five to six corners, with two distinctive elements (
<figureCitation id="131D2A2E6706FFFB36A04221FBE8FA57" box="[944,1041,1406,1433]" captionStart="Fig" captionStartId="12.[189,232,1642,1668]" captionTargetBox="[257,1331,265,1605]" captionTargetId="figure-11@12.[257,1331,265,1607]" captionTargetPageId="12" captionText="Fig. 5. Close-up of the different types of scales described forPolymerurusinsularis sp. nov.AC. Paratype (ZUEC GCH 59). D, F. Holotype (ZUEC GCH 55). E. Paratype (ZUEC GCH 56). AC. Scanning electron microscopy. DF. Light microscopy DIC. A. Detail of a section of the dorsal middle trunk, showing the most common type of scale, Type 1, with emphasis on its characteristic shape. B. Detail of a section of the dorsal posterior trunk, showing Type 2 and Type 3 scales. CE. Detail of the transition between the dorsal posterior trunk and the dorsal furca base, showing the particular scale covering of this region. F. Detail of the transition between the ventral posterior trunk and the ventral furca base, showing the particular scale covering this region. Abbreviations: sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; sc-5 = Type 5 scales; sc-6 = Type 6 scales; sc-7 = Type 7 scales; sc-8 = Type 8 scales; svs = small ventral pair of spines. Scale bars: AC = 5 µm; D = 10 µm; E = 15 µm; F = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7401643" httpUri="https://zenodo.org/record/7401643/files/figure.png" pageId="14" pageNumber="76">Figs 5A</figureCitation>
,
<figureCitation id="131D2A2E6706FFFB310C4221FB9CFA57" box="[1052,1125,1407,1433]" captionStart="Fig" captionStartId="13.[189,232,1776,1802]" captionTargetBox="[365,1207,265,1701]" captionTargetId="figure-17@13.[365,1222,265,1743]" captionTargetPageId="13" captionText="Fig. 6. Schematic illustration of dorsal and ventral posterior regions and type scales of Polymerurus insularis sp. nov. AB. Paratype (ZUEC GCH 56). A. Dorsal view of the posterior end. Some Type 1 scales are faded for a better visualization of Types 2, 3 and 5 scales. B. Ventral view of the posterior end. C. Each type of scale, individually depicted (not to scale). Abbreviations: ff = furcal furrow; fr = furcal rami; lc = locomotory cilia; is = interciliary spines; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; sc-5 = Type 5 scales; sc-6 = Type 6 scales; sc-7 = Type 7 scales; sc-8 = Type 8 scales. Scale bars = 40 µm." figureDoi="http://doi.org/10.5281/zenodo.7401647" httpUri="https://zenodo.org/record/7401647/files/figure.png" pageId="14" pageNumber="76">6AC</figureCitation>
,
<figureCitation id="131D2A2E6706FFFB317F4221FB4DFA57" box="[1135,1204,1407,1433]" captionStart="Fig" captionStartId="15.[189,232,1816,1842]" captionTargetBox="[219,1369,265,1779]" captionTargetId="figure-18@15.[219,1369,265,1779]" captionTargetPageId="15" captionText="Fig. 7. Scanning electron microscopy. Polymerurus insularis sp. nov. AB, DE. Paratype (ZUEC GCH 59). C. Paratype (ZUEC GCH 60). A. Dorsal view of the body. B. Dorsolateral view of the head, showing the cephalion and its lateral projections. C. Lateral view of the head, highlighting the lateral pleurae. DE. Dorsal trunk view, highlighting scale Type 1. Abbreviations: ce = cephalion; fr = furcal rami; lc = locomotory cilia; lce = lateral cephalic expansions; pl = pleurae; sc-1 = Type 1 scales. Scale bars: A = 40 µm; BC = 5 µm; D = 20 µm; E = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7401649" httpUri="https://zenodo.org/record/7401649/files/figure.png" pageId="14" pageNumber="76">7DE</figureCitation>
): (a) an elevated anterior portion formed by the spines curvature as it arises from the scales surface at middle range, from semi triangular keels and (b) a longitudinal concavity delimited by two sloping edges that extend from the spines insertion to the posterior end of the scale, often ending in a gap, where the two most distal corners meet forming a wide angle. SEM images (
<figureCitation id="131D2A2E6706FFFB364A4155FBFAF9E8" box="[858,1027,1547,1574]" captionStart="Fig" captionStartId="15.[189,232,1816,1842]" captionTargetBox="[219,1369,265,1779]" captionTargetId="figure-18@15.[219,1369,265,1779]" captionTargetPageId="15" captionText="Fig. 7. Scanning electron microscopy. Polymerurus insularis sp. nov. AB, DE. Paratype (ZUEC GCH 59). C. Paratype (ZUEC GCH 60). A. Dorsal view of the body. B. Dorsolateral view of the head, showing the cephalion and its lateral projections. C. Lateral view of the head, highlighting the lateral pleurae. DE. Dorsal trunk view, highlighting scale Type 1. Abbreviations: ce = cephalion; fr = furcal rami; lc = locomotory cilia; lce = lateral cephalic expansions; pl = pleurae; sc-1 = Type 1 scales. Scale bars: A = 40 µm; BC = 5 µm; D = 20 µm; E = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7401649" httpUri="https://zenodo.org/record/7401649/files/figure.png" pageId="14" pageNumber="76">Figs 7A, DE</figureCitation>
,
<figureCitation id="131D2A2E6706FFFB311F4152FBAFF9E8" box="[1039,1110,1548,1574]" captionStart="Fig" captionStartId="16.[189,232,1884,1910]" captionTargetBox="[189,1398,282,1825]" captionTargetId="figure-12@16.[189,1398,282,1825]" captionTargetPageId="16" captionText="Fig. 8. Scanning electron microscopy. Polymerurus insularis sp. nov. AB, D. Paratype (ZUEC GCH 59). C, E. Paratype (ZUEC GCH 60). AB. Posterior dorsal view. C. Detail of the furca base in posterior dorsolateral view. DE. Details of the furcal rami. Abbreviations: fb = furca base; fr = furcal rami; sc-4 = Type 4 scales; sc-5 = Type 5 scales. Scale bars = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7401653" httpUri="https://zenodo.org/record/7401653/files/figure.png" pageId="14" pageNumber="76">8AB</figureCitation>
) reveal that these scales are considerably overlapped (overlapping usually hides their anterior half). Dorsal scales arranged in the first five transversal rows are rounded, very small and rather close to each other, measuring
<quantity id="4CDE9B4E6706FFFB31FE410CFA8FF9A2" box="[1262,1398,1618,1645]" metricMagnitude="-3" metricUnit="m" metricValue="4.5" metricValueMax="5.5" metricValueMin="3.5" pageId="14" pageNumber="76" unit="mm" value="4.5" valueMax="5.5" valueMin="3.5">3.55.5 µm</quantity>
(scale type unidentified) (
<figureCitation id="131D2A2E6706FFFB34FA412BFDBCF941" box="[490,581,1653,1679]" captionStart="Fig" captionStartId="8.[189,232,1705,1731]" captionTargetBox="[297,1290,266,1666]" captionTargetId="figure-11@8.[297,1291,265,1671]" captionTargetPageId="8" captionText="Fig. 3. Light microscopy DIC. Polymerurus insularis sp. nov., holotype (ZUEC GCH 55). AC. Correspond to the most anterior third of the specimen. A. Anterior dorsal region. B. Anterior internal region. C. anterior ventral region. DF. Correspond to the trunk. D. Dorsal trunk. E. Internal trunk. F. Ventral trunk. GI. Correspond to the posterior third of the specimen. G. Dorsal posterior third. H. Internal posterior third. I. Ventral posterior third. Abbreviations: ce = cephalion; ct = cephalic bristles; eg = egg; hy = hypostomium; i = intestine; is = interciliary spines; lc = locomotory cilia; lce = lateral cephalic expansions; mo = mouth; ne = nephridia; pl = pleurae; ph = pharynx; PhIJ = pharyngealintestinal junction; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; vs = Type 1 ventral scale. Scale bars = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.7401639" httpUri="https://zenodo.org/record/7401639/files/figure.png" pageId="14" pageNumber="76">Fig. 3A</figureCitation>
). From the fifth transversal row, dorsal scales become predominantly polygonal (
<emphasis id="B952EAB96706FFFB345541C7FE6CF97C" box="[325,405,1688,1714]" italics="true" pageId="14" pageNumber="76">Type 1</emphasis>
scales), reaching
<quantity id="4CDE9B4E6706FFFB377F41C6FD3CF97D" box="[623,709,1688,1715]" metricMagnitude="-3" metricUnit="m" metricValue="8.5" pageId="14" pageNumber="76" unit="mm" value="8.5">8.5 µm</quantity>
at the pharygeointestinal junction (U20
<figureCitation id="131D2A2E6706FFFB31D341C6FA9CF97D" box="[1219,1381,1688,1715]" captionStart="Fig" captionStartId="8.[189,232,1705,1731]" captionTargetBox="[297,1290,266,1666]" captionTargetId="figure-11@8.[297,1291,265,1671]" captionTargetPageId="8" captionText="Fig. 3. Light microscopy DIC. Polymerurus insularis sp. nov., holotype (ZUEC GCH 55). AC. Correspond to the most anterior third of the specimen. A. Anterior dorsal region. B. Anterior internal region. C. anterior ventral region. DF. Correspond to the trunk. D. Dorsal trunk. E. Internal trunk. F. Ventral trunk. GI. Correspond to the posterior third of the specimen. G. Dorsal posterior third. H. Internal posterior third. I. Ventral posterior third. Abbreviations: ce = cephalion; ct = cephalic bristles; eg = egg; hy = hypostomium; i = intestine; is = interciliary spines; lc = locomotory cilia; lce = lateral cephalic expansions; mo = mouth; ne = nephridia; pl = pleurae; ph = pharynx; PhIJ = pharyngealintestinal junction; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; vs = Type 1 ventral scale. Scale bars = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.7401639" httpUri="https://zenodo.org/record/7401639/files/figure.png" pageId="14" pageNumber="76">Fig. 3AB, D</figureCitation>
). At the middle trunk (from the pharingeointestinal junction to the proximities of furca base, at U73 U75) they range from
<quantity id="4CDE9B4E6706FFFB34DF4180FD9BF937" box="[463,610,1758,1785]" metricMagnitude="-3" metricUnit="m" metricValue="7.25" metricValueMax="9.0" metricValueMin="5.5" pageId="14" pageNumber="76" unit="mm" value="7.25" valueMax="9.0" valueMin="5.5">5.5 to 9 µm</quantity>
, while at the lateral sides they become slightly larger, measuring
<quantity id="4CDE9B4E6706FFFB35AD405CFEC6F8D2" box="[189,319,1794,1821]" metricMagnitude="-3" metricUnit="m" metricValue="8.75" metricValueMax="11.0" metricValueMin="6.5" pageId="14" pageNumber="76" unit="mm" value="8.75" valueMax="11.0" valueMin="6.5">6.511 µm</quantity>
(
<figureCitation id="131D2A2E6706FFFB3441405CFE28F8D2" box="[337,465,1794,1820]" captionStart="Fig" captionStartId="8.[189,232,1705,1731]" captionTargetBox="[297,1290,266,1666]" captionTargetId="figure-11@8.[297,1291,265,1671]" captionTargetPageId="8" captionText="Fig. 3. Light microscopy DIC. Polymerurus insularis sp. nov., holotype (ZUEC GCH 55). AC. Correspond to the most anterior third of the specimen. A. Anterior dorsal region. B. Anterior internal region. C. anterior ventral region. DF. Correspond to the trunk. D. Dorsal trunk. E. Internal trunk. F. Ventral trunk. GI. Correspond to the posterior third of the specimen. G. Dorsal posterior third. H. Internal posterior third. I. Ventral posterior third. Abbreviations: ce = cephalion; ct = cephalic bristles; eg = egg; hy = hypostomium; i = intestine; is = interciliary spines; lc = locomotory cilia; lce = lateral cephalic expansions; mo = mouth; ne = nephridia; pl = pleurae; ph = pharynx; PhIJ = pharyngealintestinal junction; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; vs = Type 1 ventral scale. Scale bars = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.7401639" httpUri="https://zenodo.org/record/7401639/files/figure.png" pageId="14" pageNumber="76">Figs 3D, I</figureCitation>
,
<figureCitation id="131D2A2E6706FFFB34F1405CFDFDF8D2" box="[481,516,1794,1820]" captionStart="Fig" captionStartId="11.[189,232,1888,1914]" captionTargetBox="[236,1352,273,1850]" captionTargetId="figure-18@11.[236,1352,265,1852]" captionTargetPageId="11" captionText="Fig. 4. Light microscopy DIC. Polymerurus insularis sp. nov. Posterior region of the body. A. Paratype (ZUEC GCH 56). B, D. Holotype (ZUEC GCH 55). C. Paratype (ZUEC GCH 57). AB. Posterior dorsal view. C. Posterior dorsolateral view. D. Posterior ventral view. Abbreviations: fr = furcal rami; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales. Scale bars = 40 µm." figureDoi="http://doi.org/10.5281/zenodo.7401641" httpUri="https://zenodo.org/record/7401641/files/figure.png" pageId="14" pageNumber="76">4D</figureCitation>
). All dorsal scales are mostly parallel to the transverse axis of the body, with the exception of one distinct elevated spineless scale immediately anterior to the furca base (U71), which is
<quantity id="4CDE9B4E6706FFFB34374016FE7BF8AD" box="[295,386,1864,1891]" metricMagnitude="-3" metricUnit="m" metricValue="6.0" metricValueMax="7.0" metricValueMin="5.0" pageId="14" pageNumber="76" unit="mm" value="6.0" valueMax="7.0" valueMin="5.0">57 µm</quantity>
long and shaped as a triangle with well-marked edges (
<emphasis id="B952EAB96706FFFB31004017FBA4F8AC" box="[1040,1117,1864,1890]" italics="true" pageId="14" pageNumber="76">Type 2</emphasis>
scale
<figureCitation id="131D2A2E6706FFFB31AD4016FAE4F8AC" box="[1213,1309,1864,1890]" captionStart="Fig" captionStartId="8.[189,232,1705,1731]" captionTargetBox="[297,1290,266,1666]" captionTargetId="figure-11@8.[297,1291,265,1671]" captionTargetPageId="8" captionText="Fig. 3. Light microscopy DIC. Polymerurus insularis sp. nov., holotype (ZUEC GCH 55). AC. Correspond to the most anterior third of the specimen. A. Anterior dorsal region. B. Anterior internal region. C. anterior ventral region. DF. Correspond to the trunk. D. Dorsal trunk. E. Internal trunk. F. Ventral trunk. GI. Correspond to the posterior third of the specimen. G. Dorsal posterior third. H. Internal posterior third. I. Ventral posterior third. Abbreviations: ce = cephalion; ct = cephalic bristles; eg = egg; hy = hypostomium; i = intestine; is = interciliary spines; lc = locomotory cilia; lce = lateral cephalic expansions; mo = mouth; ne = nephridia; pl = pleurae; ph = pharynx; PhIJ = pharyngealintestinal junction; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; vs = Type 1 ventral scale. Scale bars = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.7401639" httpUri="https://zenodo.org/record/7401639/files/figure.png" pageId="14" pageNumber="76">Figs 3G</figureCitation>
,
<figureCitation id="131D2A2E6706FFFB30394016FA8BF8AC" box="[1321,1394,1864,1890]" captionStart="Fig" captionStartId="11.[189,232,1888,1914]" captionTargetBox="[236,1352,273,1850]" captionTargetId="figure-18@11.[236,1352,265,1852]" captionTargetPageId="11" captionText="Fig. 4. Light microscopy DIC. Polymerurus insularis sp. nov. Posterior region of the body. A. Paratype (ZUEC GCH 56). B, D. Holotype (ZUEC GCH 55). C. Paratype (ZUEC GCH 57). AB. Posterior dorsal view. C. Posterior dorsolateral view. D. Posterior ventral view. Abbreviations: fr = furcal rami; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales. Scale bars = 40 µm." figureDoi="http://doi.org/10.5281/zenodo.7401641" httpUri="https://zenodo.org/record/7401641/files/figure.png" pageId="14" pageNumber="76">4AC</figureCitation>
,
<figureCitation id="131D2A2E6706FFFB35AD4035FEDFF848" box="[189,294,1899,1926]" captionStart="Fig" captionStartId="12.[189,232,1642,1668]" captionTargetBox="[257,1331,265,1605]" captionTargetId="figure-11@12.[257,1331,265,1607]" captionTargetPageId="12" captionText="Fig. 5. Close-up of the different types of scales described forPolymerurusinsularis sp. nov.AC. Paratype (ZUEC GCH 59). D, F. Holotype (ZUEC GCH 55). E. Paratype (ZUEC GCH 56). AC. Scanning electron microscopy. DF. Light microscopy DIC. A. Detail of a section of the dorsal middle trunk, showing the most common type of scale, Type 1, with emphasis on its characteristic shape. B. Detail of a section of the dorsal posterior trunk, showing Type 2 and Type 3 scales. CE. Detail of the transition between the dorsal posterior trunk and the dorsal furca base, showing the particular scale covering of this region. F. Detail of the transition between the ventral posterior trunk and the ventral furca base, showing the particular scale covering this region. Abbreviations: sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; sc-5 = Type 5 scales; sc-6 = Type 6 scales; sc-7 = Type 7 scales; sc-8 = Type 8 scales; svs = small ventral pair of spines. Scale bars: AC = 5 µm; D = 10 µm; E = 15 µm; F = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7401643" httpUri="https://zenodo.org/record/7401643/files/figure.png" pageId="14" pageNumber="76">5B, DE</figureCitation>
,
<figureCitation id="131D2A2E6706FFFB34214035FE8EF848" box="[305,375,1899,1926]" captionStart="Fig" captionStartId="13.[189,232,1776,1802]" captionTargetBox="[365,1207,265,1701]" captionTargetId="figure-17@13.[365,1222,265,1743]" captionTargetPageId="13" captionText="Fig. 6. Schematic illustration of dorsal and ventral posterior regions and type scales of Polymerurus insularis sp. nov. AB. Paratype (ZUEC GCH 56). A. Dorsal view of the posterior end. Some Type 1 scales are faded for a better visualization of Types 2, 3 and 5 scales. B. Ventral view of the posterior end. C. Each type of scale, individually depicted (not to scale). Abbreviations: ff = furcal furrow; fr = furcal rami; lc = locomotory cilia; is = interciliary spines; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; sc-5 = Type 5 scales; sc-6 = Type 6 scales; sc-7 = Type 7 scales; sc-8 = Type 8 scales. Scale bars = 40 µm." figureDoi="http://doi.org/10.5281/zenodo.7401647" httpUri="https://zenodo.org/record/7401647/files/figure.png" pageId="14" pageNumber="76">6A, C</figureCitation>
). Laterally and below the
<emphasis id="B952EAB96706FFFB37B84032FD0DF848" box="[680,756,1900,1926]" italics="true" pageId="14" pageNumber="76">Type 2</emphasis>
scale, at U72, there is a pair of small (
<quantity id="4CDE9B4E6706FFFB31A14035FAFEF848" box="[1201,1287,1899,1926]" metricMagnitude="-3" metricUnit="m" metricValue="4.5" pageId="14" pageNumber="76" unit="mm" value="4.5">4.5 µm</quantity>
) rounded scales, one at each side of the caudal field, bearing long spines (
<quantity id="4CDE9B4E6706FFFB368E40D1FBE1F867" box="[926,1048,1935,1961]" metricMagnitude="-2" metricUnit="m" metricValue="1.85" metricValueMax="2.1" metricValueMin="1.6" pageId="14" pageNumber="76" unit="mm" value="18.5" valueMax="21.0" valueMin="16.0">1621 µm</quantity>
) which arise directly from the scales most posterior end, instead of from the middle, as it normally occurs (
<emphasis id="B952EAB96706FFFB314540EDFB5AF802" box="[1109,1187,1970,1996]" italics="true" pageId="14" pageNumber="76">Type 3</emphasis>
scales
<figureCitation id="131D2A2E6706FFFB300140ECFA8BF802" box="[1297,1394,1970,1996]" captionStart="Fig" captionStartId="8.[189,232,1705,1731]" captionTargetBox="[297,1290,266,1666]" captionTargetId="figure-11@8.[297,1291,265,1671]" captionTargetPageId="8" captionText="Fig. 3. Light microscopy DIC. Polymerurus insularis sp. nov., holotype (ZUEC GCH 55). AC. Correspond to the most anterior third of the specimen. A. Anterior dorsal region. B. Anterior internal region. C. anterior ventral region. DF. Correspond to the trunk. D. Dorsal trunk. E. Internal trunk. F. Ventral trunk. GI. Correspond to the posterior third of the specimen. G. Dorsal posterior third. H. Internal posterior third. I. Ventral posterior third. Abbreviations: ce = cephalion; ct = cephalic bristles; eg = egg; hy = hypostomium; i = intestine; is = interciliary spines; lc = locomotory cilia; lce = lateral cephalic expansions; mo = mouth; ne = nephridia; pl = pleurae; ph = pharynx; PhIJ = pharyngealintestinal junction; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; vs = Type 1 ventral scale. Scale bars = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.7401639" httpUri="https://zenodo.org/record/7401639/files/figure.png" pageId="14" pageNumber="76">Figs 3G</figureCitation>
,
<figureCitation id="131D2A2E6719FFE435AD4657FF18FEED" box="[189,225,265,291]" captionStart="Fig" captionStartId="11.[189,232,1888,1914]" captionTargetBox="[236,1352,273,1850]" captionTargetId="figure-18@11.[236,1352,265,1852]" captionTargetPageId="11" captionText="Fig. 4. Light microscopy DIC. Polymerurus insularis sp. nov. Posterior region of the body. A. Paratype (ZUEC GCH 56). B, D. Holotype (ZUEC GCH 55). C. Paratype (ZUEC GCH 57). AB. Posterior dorsal view. C. Posterior dorsolateral view. D. Posterior ventral view. Abbreviations: fr = furcal rami; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales. Scale bars = 40 µm." figureDoi="http://doi.org/10.5281/zenodo.7401641" httpUri="https://zenodo.org/record/7401641/files/figure.png" pageId="17" pageNumber="79">4B</figureCitation>
,
<figureCitation id="131D2A2E6719FFE435FE4657FECEFEEA" box="[238,311,265,292]" captionStart="Fig" captionStartId="12.[189,232,1642,1668]" captionTargetBox="[257,1331,265,1605]" captionTargetId="figure-11@12.[257,1331,265,1607]" captionTargetPageId="12" captionText="Fig. 5. Close-up of the different types of scales described forPolymerurusinsularis sp. nov.AC. Paratype (ZUEC GCH 59). D, F. Holotype (ZUEC GCH 55). E. Paratype (ZUEC GCH 56). AC. Scanning electron microscopy. DF. Light microscopy DIC. A. Detail of a section of the dorsal middle trunk, showing the most common type of scale, Type 1, with emphasis on its characteristic shape. B. Detail of a section of the dorsal posterior trunk, showing Type 2 and Type 3 scales. CE. Detail of the transition between the dorsal posterior trunk and the dorsal furca base, showing the particular scale covering of this region. F. Detail of the transition between the ventral posterior trunk and the ventral furca base, showing the particular scale covering this region. Abbreviations: sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; sc-5 = Type 5 scales; sc-6 = Type 6 scales; sc-7 = Type 7 scales; sc-8 = Type 8 scales; svs = small ventral pair of spines. Scale bars: AC = 5 µm; D = 10 µm; E = 15 µm; F = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7401643" httpUri="https://zenodo.org/record/7401643/files/figure.png" pageId="17" pageNumber="79">5BD</figureCitation>
,
<figureCitation id="131D2A2E6719FFE434534657FE73FEED" box="[323,394,265,291]" captionStart="Fig" captionStartId="13.[189,232,1776,1802]" captionTargetBox="[365,1207,265,1701]" captionTargetId="figure-17@13.[365,1222,265,1743]" captionTargetPageId="13" captionText="Fig. 6. Schematic illustration of dorsal and ventral posterior regions and type scales of Polymerurus insularis sp. nov. AB. Paratype (ZUEC GCH 56). A. Dorsal view of the posterior end. Some Type 1 scales are faded for a better visualization of Types 2, 3 and 5 scales. B. Ventral view of the posterior end. C. Each type of scale, individually depicted (not to scale). Abbreviations: ff = furcal furrow; fr = furcal rami; lc = locomotory cilia; is = interciliary spines; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; sc-5 = Type 5 scales; sc-6 = Type 6 scales; sc-7 = Type 7 scales; sc-8 = Type 8 scales. Scale bars = 40 µm." figureDoi="http://doi.org/10.5281/zenodo.7401647" httpUri="https://zenodo.org/record/7401647/files/figure.png" pageId="17" pageNumber="79">6A, C</figureCitation>
). Immediately following this region (at U
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the
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photographed with SEM and between U
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the
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), there is a rather noticeable spineless field covered by: (a) a patch lacking cuticular ornamentation (situated medially from the surroundings of the furca base until the uppermost portion of the adhesive tubes), and (b) a complex of small, flat, rounded or polygonal and spineless scales (U73U75),
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long, covering the initial portion of each furcal rami (
<emphasis id="B952EAB96719FFE4303746C9FA8EFE7E" box="[1319,1399,406,432]" italics="true" pageId="17" pageNumber="79">Type 4</emphasis>
scales) (
<figureCitation id="131D2A2E6719FFE4340C46E7FE84FE1D" box="[284,381,441,467]" captionStart="Fig" captionStartId="8.[189,232,1705,1731]" captionTargetBox="[297,1290,266,1666]" captionTargetId="figure-11@8.[297,1291,265,1671]" captionTargetPageId="8" captionText="Fig. 3. Light microscopy DIC. Polymerurus insularis sp. nov., holotype (ZUEC GCH 55). AC. Correspond to the most anterior third of the specimen. A. Anterior dorsal region. B. Anterior internal region. C. anterior ventral region. DF. Correspond to the trunk. D. Dorsal trunk. E. Internal trunk. F. Ventral trunk. GI. Correspond to the posterior third of the specimen. G. Dorsal posterior third. H. Internal posterior third. I. Ventral posterior third. Abbreviations: ce = cephalion; ct = cephalic bristles; eg = egg; hy = hypostomium; i = intestine; is = interciliary spines; lc = locomotory cilia; lce = lateral cephalic expansions; mo = mouth; ne = nephridia; pl = pleurae; ph = pharynx; PhIJ = pharyngealintestinal junction; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; vs = Type 1 ventral scale. Scale bars = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.7401639" httpUri="https://zenodo.org/record/7401639/files/figure.png" pageId="17" pageNumber="79">Figs 3G</figureCitation>
,
<figureCitation id="131D2A2E6719FFE4349846E7FE57FE1D" box="[392,430,441,467]" captionStart="Fig" captionStartId="11.[189,232,1888,1914]" captionTargetBox="[236,1352,273,1850]" captionTargetId="figure-18@11.[236,1352,265,1852]" captionTargetPageId="11" captionText="Fig. 4. Light microscopy DIC. Polymerurus insularis sp. nov. Posterior region of the body. A. Paratype (ZUEC GCH 56). B, D. Holotype (ZUEC GCH 55). C. Paratype (ZUEC GCH 57). AB. Posterior dorsal view. C. Posterior dorsolateral view. D. Posterior ventral view. Abbreviations: fr = furcal rami; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales. Scale bars = 40 µm." figureDoi="http://doi.org/10.5281/zenodo.7401641" httpUri="https://zenodo.org/record/7401641/files/figure.png" pageId="17" pageNumber="79">4A</figureCitation>
,
<figureCitation id="131D2A2E6719FFE434AA46E7FDF8FE1A" box="[442,513,441,468]" captionStart="Fig" captionStartId="12.[189,232,1642,1668]" captionTargetBox="[257,1331,265,1605]" captionTargetId="figure-11@12.[257,1331,265,1607]" captionTargetPageId="12" captionText="Fig. 5. Close-up of the different types of scales described forPolymerurusinsularis sp. nov.AC. Paratype (ZUEC GCH 59). D, F. Holotype (ZUEC GCH 55). E. Paratype (ZUEC GCH 56). AC. Scanning electron microscopy. DF. Light microscopy DIC. A. Detail of a section of the dorsal middle trunk, showing the most common type of scale, Type 1, with emphasis on its characteristic shape. B. Detail of a section of the dorsal posterior trunk, showing Type 2 and Type 3 scales. CE. Detail of the transition between the dorsal posterior trunk and the dorsal furca base, showing the particular scale covering of this region. F. Detail of the transition between the ventral posterior trunk and the ventral furca base, showing the particular scale covering this region. Abbreviations: sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; sc-5 = Type 5 scales; sc-6 = Type 6 scales; sc-7 = Type 7 scales; sc-8 = Type 8 scales; svs = small ventral pair of spines. Scale bars: AC = 5 µm; D = 10 µm; E = 15 µm; F = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7401643" httpUri="https://zenodo.org/record/7401643/files/figure.png" pageId="17" pageNumber="79">5DE</figureCitation>
,
<figureCitation id="131D2A2E6719FFE4371C46E7FDCAFE1D" box="[524,563,441,467]" captionStart="Fig" captionStartId="13.[189,232,1776,1802]" captionTargetBox="[365,1207,265,1701]" captionTargetId="figure-17@13.[365,1222,265,1743]" captionTargetPageId="13" captionText="Fig. 6. Schematic illustration of dorsal and ventral posterior regions and type scales of Polymerurus insularis sp. nov. AB. Paratype (ZUEC GCH 56). A. Dorsal view of the posterior end. Some Type 1 scales are faded for a better visualization of Types 2, 3 and 5 scales. B. Ventral view of the posterior end. C. Each type of scale, individually depicted (not to scale). Abbreviations: ff = furcal furrow; fr = furcal rami; lc = locomotory cilia; is = interciliary spines; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; sc-5 = Type 5 scales; sc-6 = Type 6 scales; sc-7 = Type 7 scales; sc-8 = Type 8 scales. Scale bars = 40 µm." figureDoi="http://doi.org/10.5281/zenodo.7401647" httpUri="https://zenodo.org/record/7401647/files/figure.png" pageId="17" pageNumber="79">6A</figureCitation>
,
<figureCitation id="131D2A2E6719FFE4372E46E7FD9BFE1D" box="[574,610,441,467]" captionStart="Fig" captionStartId="16.[189,232,1884,1910]" captionTargetBox="[189,1398,282,1825]" captionTargetId="figure-12@16.[189,1398,282,1825]" captionTargetPageId="16" captionText="Fig. 8. Scanning electron microscopy. Polymerurus insularis sp. nov. AB, D. Paratype (ZUEC GCH 59). C, E. Paratype (ZUEC GCH 60). AB. Posterior dorsal view. C. Detail of the furca base in posterior dorsolateral view. DE. Details of the furcal rami. Abbreviations: fb = furca base; fr = furcal rami; sc-4 = Type 4 scales; sc-5 = Type 5 scales. Scale bars = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7401653" httpUri="https://zenodo.org/record/7401653/files/figure.png" pageId="17" pageNumber="79">8A</figureCitation>
). Below
<emphasis id="B952EAB96719FFE437DC46E4FCE1FE1D" box="[716,792,441,467]" italics="true" pageId="17" pageNumber="79">Type 2</emphasis>
scales there is a pair of spineless, wide and rounded scales,
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long, presenting small indentations at their posterior ends (
<emphasis id="B952EAB96719FFE431354683FB8AFE39" box="[1061,1139,477,503]" italics="true" pageId="17" pageNumber="79">Type 5</emphasis>
scales
<figureCitation id="131D2A2E6719FFE431CF4682FAC7FE38" box="[1247,1342,476,503]" captionStart="Fig" captionStartId="12.[189,232,1642,1668]" captionTargetBox="[257,1331,265,1605]" captionTargetId="figure-11@12.[257,1331,265,1607]" captionTargetPageId="12" captionText="Fig. 5. Close-up of the different types of scales described forPolymerurusinsularis sp. nov.AC. Paratype (ZUEC GCH 59). D, F. Holotype (ZUEC GCH 55). E. Paratype (ZUEC GCH 56). AC. Scanning electron microscopy. DF. Light microscopy DIC. A. Detail of a section of the dorsal middle trunk, showing the most common type of scale, Type 1, with emphasis on its characteristic shape. B. Detail of a section of the dorsal posterior trunk, showing Type 2 and Type 3 scales. CE. Detail of the transition between the dorsal posterior trunk and the dorsal furca base, showing the particular scale covering of this region. F. Detail of the transition between the ventral posterior trunk and the ventral furca base, showing the particular scale covering this region. Abbreviations: sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; sc-5 = Type 5 scales; sc-6 = Type 6 scales; sc-7 = Type 7 scales; sc-8 = Type 8 scales; svs = small ventral pair of spines. Scale bars: AC = 5 µm; D = 10 µm; E = 15 µm; F = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7401643" httpUri="https://zenodo.org/record/7401643/files/figure.png" pageId="17" pageNumber="79">Figs 5C</figureCitation>
,
<figureCitation id="131D2A2E6719FFE4305B4682FF2DFDD7" captionStart="Fig" captionStartId="13.[189,232,1776,1802]" captionTargetBox="[365,1207,265,1701]" captionTargetId="figure-17@13.[365,1222,265,1743]" captionTargetPageId="13" captionText="Fig. 6. Schematic illustration of dorsal and ventral posterior regions and type scales of Polymerurus insularis sp. nov. AB. Paratype (ZUEC GCH 56). A. Dorsal view of the posterior end. Some Type 1 scales are faded for a better visualization of Types 2, 3 and 5 scales. B. Ventral view of the posterior end. C. Each type of scale, individually depicted (not to scale). Abbreviations: ff = furcal furrow; fr = furcal rami; lc = locomotory cilia; is = interciliary spines; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; sc-5 = Type 5 scales; sc-6 = Type 6 scales; sc-7 = Type 7 scales; sc-8 = Type 8 scales. Scale bars = 40 µm." figureDoi="http://doi.org/10.5281/zenodo.7401647" httpUri="https://zenodo.org/record/7401647/files/figure.png" pageId="17" pageNumber="79">6A, C</figureCitation>
,
<figureCitation id="131D2A2E6719FFE435F046A1FEF8FDD7" box="[224,257,511,537]" captionStart="Fig" captionStartId="16.[189,232,1884,1910]" captionTargetBox="[189,1398,282,1825]" captionTargetId="figure-12@16.[189,1398,282,1825]" captionTargetPageId="16" captionText="Fig. 8. Scanning electron microscopy. Polymerurus insularis sp. nov. AB, D. Paratype (ZUEC GCH 59). C, E. Paratype (ZUEC GCH 60). AB. Posterior dorsal view. C. Detail of the furca base in posterior dorsolateral view. DE. Details of the furcal rami. Abbreviations: fb = furca base; fr = furcal rami; sc-4 = Type 4 scales; sc-5 = Type 5 scales. Scale bars = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7401653" httpUri="https://zenodo.org/record/7401653/files/figure.png" pageId="17" pageNumber="79">8B</figureCitation>
).
</paragraph>
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<paragraph id="8B9936AB6707FFFA35AD4046FCBBF82D" blockId="15.[189,1399,1816,2019]" pageId="15" pageNumber="77">
<emphasis id="B952EAB96707FFFA35AD4046FEF6F8FD" bold="true" box="[189,271,1816,1843]" pageId="15" pageNumber="77">Fig. 7.</emphasis>
Scanning electron microscopy.
<taxonomicName id="4C264D286707FFFA37884046FC5BF8FC" box="[664,930,1816,1842]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="15" pageNumber="77" phylum="Gastrotricha" rank="species" species="insularis" status="sp. nov.">
<emphasis id="B952EAB96707FFFA37884046FC5BF8FC" box="[664,930,1816,1842]" italics="true" pageId="15" pageNumber="77">Polymerurus insularis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A26157C26707FFFA36BE4047FBF4F8FD" box="[942,1037,1817,1843]" pageId="15" pageNumber="77" rank="species">sp. nov.</taxonomicNameLabel>
<emphasis id="B952EAB96707FFFA31084046FB63F8FD" bold="true" box="[1048,1178,1816,1843]" pageId="15" pageNumber="77">AB, DE</emphasis>
. Paratype (ZUEC GCH 59).
<emphasis id="B952EAB96707FFFA34294065FEB7F89B" bold="true" box="[313,334,1851,1877]" pageId="15" pageNumber="77">C</emphasis>
. Paratype (ZUEC GCH 60).
<emphasis id="B952EAB96707FFFA37B44065FD40F89B" bold="true" box="[676,697,1851,1877]" pageId="15" pageNumber="77">A</emphasis>
. Dorsal view of the body.
<emphasis id="B952EAB96707FFFA36E14062FBFDF898" bold="true" box="[1009,1028,1852,1878]" pageId="15" pageNumber="77">B</emphasis>
. Dorsolateral view of the head, showing the cephalion and its lateral projections.
<emphasis id="B952EAB96707FFFA36004001FCDDF8B7" bold="true" box="[784,804,1887,1913]" pageId="15" pageNumber="77">C</emphasis>
. Lateral view of the head, highlighting the lateral pleurae.
<emphasis id="B952EAB96707FFFA343340DCFEA3F852" bold="true" box="[291,346,1922,1948]" pageId="15" pageNumber="77">DE</emphasis>
. Dorsal trunk view, highlighting scale
<emphasis id="B952EAB96707FFFA363C40DDFC80F852" box="[812,889,1922,1948]" italics="true" pageId="15" pageNumber="77">Type 1</emphasis>
. Abbreviations: ce = cephalion; fr = furcal rami; lc = locomotory cilia; lce = lateral cephalic expansions; pl = pleurae; sc-1 =
<emphasis id="B952EAB96707FFFA319C40F8FB23F871" box="[1164,1242,1957,1983]" italics="true" pageId="15" pageNumber="77">Type 1</emphasis>
scales. Scale bars: A = 40 µm; BC = 5 µm; D = 20 µm; E = 10 µm.
</paragraph>
</caption>
<caption id="DF5966236718FFE535AD4002FC19F82F" ID-DOI="http://doi.org/10.5281/zenodo.7401653" ID-Zenodo-Dep="7401653" httpUri="https://zenodo.org/record/7401653/files/figure.png" pageId="16" pageNumber="78" startId="16.[189,232,1884,1910]" targetBox="[189,1398,282,1825]" targetPageId="16">
<paragraph id="8B9936AB6718FFE535AD4002FC19F82F" blockId="16.[189,1399,1884,2017]" pageId="16" pageNumber="78">
<emphasis id="B952EAB96718FFE535AD4002FEEBF8B8" bold="true" box="[189,274,1884,1910]" pageId="16" pageNumber="78">Fig. 8.</emphasis>
Scanning electron microscopy.
<taxonomicName id="4C264D286718FFE537B64002FC4DF8B8" box="[678,948,1884,1910]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="16" pageNumber="78" phylum="Gastrotricha" rank="species" species="insularis" status="sp. nov.">
<emphasis id="B952EAB96718FFE537B64002FC4DF8B8" box="[678,948,1884,1910]" italics="true" pageId="16" pageNumber="78">Polymerurus insularis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A26157C26718FFE536D24003FBDDF8B9" box="[962,1060,1885,1911]" pageId="16" pageNumber="78" rank="species">sp. nov.</taxonomicNameLabel>
<emphasis id="B952EAB96718FFE531224002FB6CF8B9" bold="true" box="[1074,1173,1884,1911]" pageId="16" pageNumber="78">AB, D</emphasis>
. Paratype (ZUEC GCH 59).
<emphasis id="B952EAB96718FFE5342B4021FE8BF854" bold="true" box="[315,370,1919,1946]" pageId="16" pageNumber="78">C, E</emphasis>
. Paratype (ZUEC GCH 60).
<emphasis id="B952EAB96718FFE537DC4021FCFAF857" bold="true" box="[716,771,1919,1945]" pageId="16" pageNumber="78">AB</emphasis>
. Posterior dorsal view.
<emphasis id="B952EAB96718FFE5310D4021FBC8F857" bold="true" box="[1053,1073,1919,1945]" pageId="16" pageNumber="78">C</emphasis>
. Detail of the furca base in posterior dorsolateral view.
<emphasis id="B952EAB96718FFE5371740FDFDC7F873" bold="true" box="[519,574,1955,1981]" pageId="16" pageNumber="78">DE</emphasis>
. Details of the furcal rami. Abbreviations: fb = furca base; fr = furcal rami; sc-4 =
<emphasis id="B952EAB96718FFE534424099FE66F82E" box="[338,415,1990,2016]" italics="true" pageId="16" pageNumber="78">Type 4</emphasis>
scales; sc-5 =
<emphasis id="B952EAB96718FFE5375C4099FD60F82F" box="[588,665,1991,2017]" italics="true" pageId="16" pageNumber="78">Type 5</emphasis>
scales. Scale bars = 10 µm.
</paragraph>
</caption>
<paragraph id="8B9936AB6719FFE435AD451FFCD1FC11" blockId="17.[187,1399,577,991]" pageId="17" pageNumber="79">
DORSAL SPINES. Dorsolateral spines covering the head and neck (U1U20) are rather short, ranging from
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. The first two rows of spines, disposed immediately around and below the cephalic plates are much shorter (
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) and slightly curved, while the remaining rows along the neck contain longer and straighter spines. Through the upper and middle trunk (U21U44), the dorsal spines increase progressively in length, with an average length of
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and
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, respectively, reaching their largest dimensions at the rear trunk (U45U51), with an average range of
<quantity id="4CDE9B4E6719FFE4311F45AFFB96FCC5" box="[1039,1135,753,780]" metricMagnitude="-2" metricUnit="m" metricValue="2.55" pageId="17" pageNumber="79" unit="mm" value="25.5">25.5µm</quantity>
. At rear trunk, towards the furca base (U75), dorsolateral spines become much longer (
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) and straighter, grouping into two pairs pair of small, tight clusters at the lateral edges of the body surrounding the anterior-most portion of the furca base (
<figureCitation id="131D2A2E6719FFE434FC4404FDB7FCBB" box="[492,590,858,885]" captionStart="Fig" captionStartId="7.[191,234,1958,1984]" captionTargetBox="[189,1398,1034,1924]" captionTargetId="figure-234@7.[189,1398,1034,1924]" captionTargetPageId="7" captionText="Fig. 2. Light microscopy DIC. Polymerurus insularis sp. nov., holotype (ZUEC GCH 55). Full body view. A. Dorsal view. B. Internal view. C. Ventral view. Scale bars = 30 µm." figureDoi="http://doi.org/10.5281/zenodo.7401637" httpUri="https://zenodo.org/record/7401637/files/figure.png" pageId="17" pageNumber="79">Figs 2A</figureCitation>
,
<figureCitation id="131D2A2E6719FFE4374A4405FD79FCBB" box="[602,640,859,885]" captionStart="Fig" captionStartId="8.[189,232,1705,1731]" captionTargetBox="[297,1290,266,1666]" captionTargetId="figure-11@8.[297,1291,265,1671]" captionTargetPageId="8" captionText="Fig. 3. Light microscopy DIC. Polymerurus insularis sp. nov., holotype (ZUEC GCH 55). AC. Correspond to the most anterior third of the specimen. A. Anterior dorsal region. B. Anterior internal region. C. anterior ventral region. DF. Correspond to the trunk. D. Dorsal trunk. E. Internal trunk. F. Ventral trunk. GI. Correspond to the posterior third of the specimen. G. Dorsal posterior third. H. Internal posterior third. I. Ventral posterior third. Abbreviations: ce = cephalion; ct = cephalic bristles; eg = egg; hy = hypostomium; i = intestine; is = interciliary spines; lc = locomotory cilia; lce = lateral cephalic expansions; mo = mouth; ne = nephridia; pl = pleurae; ph = pharynx; PhIJ = pharyngealintestinal junction; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; vs = Type 1 ventral scale. Scale bars = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.7401639" httpUri="https://zenodo.org/record/7401639/files/figure.png" pageId="17" pageNumber="79">3G</figureCitation>
,
<figureCitation id="131D2A2E6719FFE4379D4405FD2AFCBB" box="[653,723,859,885]" captionStart="Fig" captionStartId="11.[189,232,1888,1914]" captionTargetBox="[236,1352,273,1850]" captionTargetId="figure-18@11.[236,1352,265,1852]" captionTargetPageId="11" captionText="Fig. 4. Light microscopy DIC. Polymerurus insularis sp. nov. Posterior region of the body. A. Paratype (ZUEC GCH 56). B, D. Holotype (ZUEC GCH 55). C. Paratype (ZUEC GCH 57). AB. Posterior dorsal view. C. Posterior dorsolateral view. D. Posterior ventral view. Abbreviations: fr = furcal rami; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales. Scale bars = 40 µm." figureDoi="http://doi.org/10.5281/zenodo.7401641" httpUri="https://zenodo.org/record/7401641/files/figure.png" pageId="17" pageNumber="79">4AB</figureCitation>
). Most spines arise at a medial point on a scales surface, under a small ridge-shaped elevation that is formed by the junction of: (a) the spines anterior end, as it rises from the scale, and (b) the superposition between the scales anterior portion and the posterior ends of the two scales in the former row (
<figureCitation id="131D2A2E6719FFE43776449AFD12FC10" box="[614,747,964,990]" captionStart="Fig" captionStartId="13.[189,232,1776,1802]" captionTargetBox="[365,1207,265,1701]" captionTargetId="figure-17@13.[365,1222,265,1743]" captionTargetPageId="13" captionText="Fig. 6. Schematic illustration of dorsal and ventral posterior regions and type scales of Polymerurus insularis sp. nov. AB. Paratype (ZUEC GCH 56). A. Dorsal view of the posterior end. Some Type 1 scales are faded for a better visualization of Types 2, 3 and 5 scales. B. Ventral view of the posterior end. C. Each type of scale, individually depicted (not to scale). Abbreviations: ff = furcal furrow; fr = furcal rami; lc = locomotory cilia; is = interciliary spines; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; sc-5 = Type 5 scales; sc-6 = Type 6 scales; sc-7 = Type 7 scales; sc-8 = Type 8 scales. Scale bars = 40 µm." figureDoi="http://doi.org/10.5281/zenodo.7401647" httpUri="https://zenodo.org/record/7401647/files/figure.png" pageId="17" pageNumber="79">Figs 6AC</figureCitation>
,
<figureCitation id="131D2A2E6719FFE437E6449BFCEEFC11" box="[758,791,965,991]" captionStart="Fig" captionStartId="15.[189,232,1816,1842]" captionTargetBox="[219,1369,265,1779]" captionTargetId="figure-18@15.[219,1369,265,1779]" captionTargetPageId="15" captionText="Fig. 7. Scanning electron microscopy. Polymerurus insularis sp. nov. AB, DE. Paratype (ZUEC GCH 59). C. Paratype (ZUEC GCH 60). A. Dorsal view of the body. B. Dorsolateral view of the head, showing the cephalion and its lateral projections. C. Lateral view of the head, highlighting the lateral pleurae. DE. Dorsal trunk view, highlighting scale Type 1. Abbreviations: ce = cephalion; fr = furcal rami; lc = locomotory cilia; lce = lateral cephalic expansions; pl = pleurae; sc-1 = Type 1 scales. Scale bars: A = 40 µm; BC = 5 µm; D = 20 µm; E = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7401649" httpUri="https://zenodo.org/record/7401649/files/figure.png" pageId="17" pageNumber="79">7E</figureCitation>
).
</paragraph>
<paragraph id="8B9936AB6719FFE435AD4358FEEBFA24" blockId="17.[188,1401,1029,1514]" pageId="17" pageNumber="79">
VENTRAL INTERCILIARY SCALES. Are small in the head and neck region (
<quantity id="4CDE9B4E6719FFE43112435BFB81FBEE" box="[1026,1144,1029,1056]" metricMagnitude="-3" metricUnit="m" metricValue="4.25" metricValueMax="5.0" metricValueMin="3.5" pageId="17" pageNumber="79" unit="mm" value="4.25" valueMax="5.0" valueMin="3.5">3.55 µm</quantity>
) and increase in size towards the middle trunk (
<quantity id="4CDE9B4E6719FFE434EC4376FDADFB8D" box="[508,596,1064,1091]" metricMagnitude="-3" metricUnit="m" metricValue="4.5" pageId="17" pageNumber="79" unit="mm" value="4.5">4.5 µm</quantity>
) and rear trunk (
<quantity id="4CDE9B4E6719FFE4360F4377FC79FB8D" box="[799,896,1065,1091]" metricMagnitude="-3" metricUnit="m" metricValue="5.5" metricValueMax="7.0" metricValueMin="4.0" pageId="17" pageNumber="79" unit="mm" value="5.5" valueMax="7.0" valueMin="4.0">47 µm</quantity>
), similarly to the dorsal and lateral scales. At the posterior end of the ventral surface, the scales are rounded or polygonal and flat (unidentified type). Among these scales is situated a particular and very distinct pair of oval scales at the middle of the posterior interciliary ventral field (U71); each scale bears a keel that emerges from the anterior portion of the scale and extends across its length (
<emphasis id="B952EAB96719FFE4379743E8FD2DFB01" box="[647,724,1205,1231]" italics="true" pageId="17" pageNumber="79">Type 6</emphasis>
scales
<figureCitation id="131D2A2E6719FFE4362D43EBFC6FFB1E" box="[829,918,1205,1232]" captionStart="Fig" captionStartId="12.[189,232,1642,1668]" captionTargetBox="[257,1331,265,1605]" captionTargetId="figure-11@12.[257,1331,265,1607]" captionTargetPageId="12" captionText="Fig. 5. Close-up of the different types of scales described forPolymerurusinsularis sp. nov.AC. Paratype (ZUEC GCH 59). D, F. Holotype (ZUEC GCH 55). E. Paratype (ZUEC GCH 56). AC. Scanning electron microscopy. DF. Light microscopy DIC. A. Detail of a section of the dorsal middle trunk, showing the most common type of scale, Type 1, with emphasis on its characteristic shape. B. Detail of a section of the dorsal posterior trunk, showing Type 2 and Type 3 scales. CE. Detail of the transition between the dorsal posterior trunk and the dorsal furca base, showing the particular scale covering of this region. F. Detail of the transition between the ventral posterior trunk and the ventral furca base, showing the particular scale covering this region. Abbreviations: sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; sc-5 = Type 5 scales; sc-6 = Type 6 scales; sc-7 = Type 7 scales; sc-8 = Type 8 scales; svs = small ventral pair of spines. Scale bars: AC = 5 µm; D = 10 µm; E = 15 µm; F = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7401643" httpUri="https://zenodo.org/record/7401643/files/figure.png" pageId="17" pageNumber="79">Figs 5F</figureCitation>
,
<figureCitation id="131D2A2E6719FFE436B143EBFC1FFB01" box="[929,998,1205,1231]" captionStart="Fig" captionStartId="13.[189,232,1776,1802]" captionTargetBox="[365,1207,265,1701]" captionTargetId="figure-17@13.[365,1222,265,1743]" captionTargetPageId="13" captionText="Fig. 6. Schematic illustration of dorsal and ventral posterior regions and type scales of Polymerurus insularis sp. nov. AB. Paratype (ZUEC GCH 56). A. Dorsal view of the posterior end. Some Type 1 scales are faded for a better visualization of Types 2, 3 and 5 scales. B. Ventral view of the posterior end. C. Each type of scale, individually depicted (not to scale). Abbreviations: ff = furcal furrow; fr = furcal rami; lc = locomotory cilia; is = interciliary spines; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; sc-5 = Type 5 scales; sc-6 = Type 6 scales; sc-7 = Type 7 scales; sc-8 = Type 8 scales. Scale bars = 40 µm." figureDoi="http://doi.org/10.5281/zenodo.7401647" httpUri="https://zenodo.org/record/7401647/files/figure.png" pageId="17" pageNumber="79">6BC</figureCitation>
). In the
<typeStatus id="549D88096719FFE4315843EBFB4BFB01" box="[1096,1202,1205,1231]" pageId="17" pageNumber="79" type="holotype">holotype</typeStatus>
, the largest scale of the pair is
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long, with a keel
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long, while the smaller scale is
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long, showing a
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long keel. However, such asymmetrical pattern might
<taxonomicName id="4C264D286719FFE4365843A2FC94FAD8" box="[840,877,1276,1302]" class="Not" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="17" pageNumber="81" phylum="Gastrotricha" rank="class">not</taxonomicName>
be ubiquitous; it was only reported for the
<typeStatus id="549D88096719FFE435AD4241FEDDFAF7" box="[189,292,1311,1337]" pageId="17" pageNumber="79" type="holotype">holotype</typeStatus>
because it was
<taxonomicName id="4C264D286719FFE434C6427EFE02FAF4" box="[470,507,1312,1338]" class="Not" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="17" pageNumber="81" phylum="Gastrotricha" rank="class">not</taxonomicName>
possible to visualize and measure these structures in the
<typeStatus id="549D88096719FFE4319D427EFAF8FAF4" box="[1165,1281,1312,1338]" pageId="17" pageNumber="79" type="paratype">paratypes</typeStatus>
. The most distal extremity of the ventral furca base (U75) is covered by two columns of small (
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long) scales (
<emphasis id="B952EAB96719FFE434044238FE94FA4E" box="[276,365,1382,1408]" italics="true" pageId="17" pageNumber="79">Types 7</emphasis>
and
<emphasis id="B952EAB96719FFE434B64238FE4CFA4E" box="[422,437,1382,1408]" italics="true" pageId="17" pageNumber="79">8</emphasis>
scales) bearing spines that are very long and straight, measuring from 11 up to
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. These scales are elongated antero-posteriorly and laterally narrowed, showing a middle furrow and lateral projections (
<emphasis id="B952EAB96719FFE434B142F3FE17FA08" box="[417,494,1452,1478]" italics="true" pageId="17" pageNumber="79">Type 7</emphasis>
scales), or rounded and antero-posteriorly narrowed (
<emphasis id="B952EAB96719FFE4317442F3FB48FA08" box="[1124,1201,1452,1478]" italics="true" pageId="17" pageNumber="79">Type 8</emphasis>
scales) (
<figureCitation id="131D2A2E6719FFE4300742F2FA8DFA08" box="[1303,1396,1452,1479]" captionStart="Fig" captionStartId="12.[189,232,1642,1668]" captionTargetBox="[257,1331,265,1605]" captionTargetId="figure-11@12.[257,1331,265,1607]" captionTargetPageId="12" captionText="Fig. 5. Close-up of the different types of scales described forPolymerurusinsularis sp. nov.AC. Paratype (ZUEC GCH 59). D, F. Holotype (ZUEC GCH 55). E. Paratype (ZUEC GCH 56). AC. Scanning electron microscopy. DF. Light microscopy DIC. A. Detail of a section of the dorsal middle trunk, showing the most common type of scale, Type 1, with emphasis on its characteristic shape. B. Detail of a section of the dorsal posterior trunk, showing Type 2 and Type 3 scales. CE. Detail of the transition between the dorsal posterior trunk and the dorsal furca base, showing the particular scale covering of this region. F. Detail of the transition between the ventral posterior trunk and the ventral furca base, showing the particular scale covering this region. Abbreviations: sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; sc-5 = Type 5 scales; sc-6 = Type 6 scales; sc-7 = Type 7 scales; sc-8 = Type 8 scales; svs = small ventral pair of spines. Scale bars: AC = 5 µm; D = 10 µm; E = 15 µm; F = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7401643" httpUri="https://zenodo.org/record/7401643/files/figure.png" pageId="17" pageNumber="79">Figs 5F</figureCitation>
,
<figureCitation id="131D2A2E6719FFE435AD4291FEFBFA27" box="[189,258,1487,1513]" captionStart="Fig" captionStartId="13.[189,232,1776,1802]" captionTargetBox="[365,1207,265,1701]" captionTargetId="figure-17@13.[365,1222,265,1743]" captionTargetPageId="13" captionText="Fig. 6. Schematic illustration of dorsal and ventral posterior regions and type scales of Polymerurus insularis sp. nov. AB. Paratype (ZUEC GCH 56). A. Dorsal view of the posterior end. Some Type 1 scales are faded for a better visualization of Types 2, 3 and 5 scales. B. Ventral view of the posterior end. C. Each type of scale, individually depicted (not to scale). Abbreviations: ff = furcal furrow; fr = furcal rami; lc = locomotory cilia; is = interciliary spines; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; sc-5 = Type 5 scales; sc-6 = Type 6 scales; sc-7 = Type 7 scales; sc-8 = Type 8 scales. Scale bars = 40 µm." figureDoi="http://doi.org/10.5281/zenodo.7401647" httpUri="https://zenodo.org/record/7401647/files/figure.png" pageId="17" pageNumber="79">6BC</figureCitation>
).
</paragraph>
<paragraph id="8B9936AB6719FFE435AD414FFA8EF980" blockId="17.[189,1399,1552,1614]" pageId="17" pageNumber="79">
VENTRAL INTERCILIARY SPINES. Are shorter than the dorsal spines. They range in size from
<quantity id="4CDE9B4E6719FFE431FD414EFA88F9E5" box="[1261,1393,1552,1579]" metricMagnitude="-2" metricUnit="m" metricValue="1.025" metricValueMax="1.5" metricValueMin="0.55" pageId="17" pageNumber="79" unit="mm" value="10.25" valueMax="15.0" valueMin="5.5">5.515 µm</quantity>
, and become longer and thicker from anterior to posterior region and from ventral to ventrolateral sides.
</paragraph>
<paragraph id="8B9936AB6719FFE435AD4128FE3AF91B" blockId="17.[188,1400,1653,1750]" pageId="17" pageNumber="79">
EGG. A single egg was present in the
<typeStatus id="549D88096719FFE4376B412BFD1BF941" box="[635,738,1653,1679]" pageId="17" pageNumber="79" type="holotype">holotype</typeStatus>
(
<figureCitation id="131D2A2E6719FFE437E3412BFCB4F95E" box="[755,845,1653,1680]" captionStart="Fig" captionStartId="8.[189,232,1705,1731]" captionTargetBox="[297,1290,266,1666]" captionTargetId="figure-11@8.[297,1291,265,1671]" captionTargetPageId="8" captionText="Fig. 3. Light microscopy DIC. Polymerurus insularis sp. nov., holotype (ZUEC GCH 55). AC. Correspond to the most anterior third of the specimen. A. Anterior dorsal region. B. Anterior internal region. C. anterior ventral region. DF. Correspond to the trunk. D. Dorsal trunk. E. Internal trunk. F. Ventral trunk. GI. Correspond to the posterior third of the specimen. G. Dorsal posterior third. H. Internal posterior third. I. Ventral posterior third. Abbreviations: ce = cephalion; ct = cephalic bristles; eg = egg; hy = hypostomium; i = intestine; is = interciliary spines; lc = locomotory cilia; lce = lateral cephalic expansions; mo = mouth; ne = nephridia; pl = pleurae; ph = pharynx; PhIJ = pharyngealintestinal junction; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; vs = Type 1 ventral scale. Scale bars = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.7401639" httpUri="https://zenodo.org/record/7401639/files/figure.png" pageId="17" pageNumber="79">Fig. 3E</figureCitation>
); it was
<quantity id="4CDE9B4E6719FFE436A7412BFBFFF95E" box="[951,1030,1653,1680]" metricMagnitude="-2" metricUnit="m" metricValue="3.0" pageId="17" pageNumber="79" unit="mm" value="30.0">30 µm</quantity>
wide and situated between the cuticle and the intestine, extending from the upper to rear trunk (U21U51). No sperm and reproductive organs were observed.
</paragraph>
<paragraph id="8B9936AB6719FFE435AD41A3FE4EF8D9" blockId="17.[189,439,1789,1815]" box="[189,439,1789,1815]" pageId="17" pageNumber="79">
<heading id="D0D181C76719FFE435AD41A3FE4EF8D9" bold="true" box="[189,439,1789,1815]" fontSize="11" level="3" pageId="17" pageNumber="79" reason="3">
<emphasis id="B952EAB96719FFE435AD41A3FE4EF8D9" bold="true" box="[189,439,1789,1815]" pageId="17" pageNumber="79">Taxonomic remarks</emphasis>
</heading>
</paragraph>
<paragraph id="8B9936AB6719FFE135AD4075FDB9FBC9" blockId="17.[187,1401,1835,2003]" lastBlockId="20.[187,1402,265,1031]" lastPageId="20" lastPageNumber="82" pageId="17" pageNumber="79">
Specimens of the genus
<taxonomicName id="4C264D286719FFE434F54075FD83F88B" authorityName="Remane" authorityYear="1927" box="[485,634,1835,1861]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="17" pageNumber="79" phylum="Gastrotricha" rank="genus">
<emphasis id="B952EAB96719FFE434F54075FD83F88B" box="[485,634,1835,1861]" italics="true" pageId="17" pageNumber="79">Polymerurus</emphasis>
</taxonomicName>
, when compared with the remaining members of
<taxonomicName id="4C264D286719FFE431C34075FA8AF88B" authorityName="Remane" authorityYear="1925" box="[1235,1395,1835,1861]" kingdom="Animalia" order="Chaetonotida" pageId="17" pageNumber="79" phylum="Gastrotricha" rank="order">Chaetonotida</taxonomicName>
, are easily recognized due to their large size (some species are the longest known chaetonotidans), the presence of ring-like ornamentations usually called segmentations on the furcal rami, and a cephalion with prominent lateral expansions. Although all species of
<taxonomicName id="4C264D286719FFE4368240CBFBD3F861" authorityName="Remane" authorityYear="1927" box="[914,1066,1941,1967]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="17" pageNumber="79" phylum="Gastrotricha" rank="genus">
<emphasis id="B952EAB96719FFE4368240CBFBD3F861" box="[914,1066,1941,1967]" italics="true" pageId="17" pageNumber="79">Polymerurus</emphasis>
</taxonomicName>
share these characteristics, it is possible to recognize among them very distinct morphotypes, generally based on their cuticular ornamentation and body outline. Regarding the latest, it is possible to distinguish completely straight outlines with absent body constrictions, as in
<taxonomicName id="4C264D28671CFFE137D24673FBE4FE88" authority="(Voigt, 1901)" baseAuthorityName="Voigt" baseAuthorityYear="1901" box="[706,1053,300,326]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="20" pageNumber="82" phylum="Gastrotricha" rank="species" species="serraticaudus">
<emphasis id="B952EAB9671CFFE137D24673FC87FE88" box="[706,894,300,326]" italics="true" pageId="20" pageNumber="82">P. serraticaudus</emphasis>
(
<bibRefCitation id="EFB74B5A671CFFE1369B4672FBECFE88" author="Voigt M." box="[907,1045,300,326]" pageId="20" pageNumber="82" pagination="193 - 194" refId="ref17100" refString="Voigt M. 1901. Mittheilungen aus der biologischen Station zu Plon, Holstein. Uber einige bisher unbekannte Susswasserorganismen. Zoological Anzeiger 24: 193 - 194." type="journal article" year="1901">Voigt, 1901</bibRefCitation>
)
</taxonomicName>
from more tenpin-like shapes as occurs in
<taxonomicName id="4C264D28671CFFE1345A460EFE09FEA7" baseAuthorityName="Stokes" baseAuthorityYear="1887" box="[330,496,335,361]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="20" pageNumber="82" phylum="Gastrotricha" rank="species" species="rhomboides">
<emphasis id="B952EAB9671CFFE1345A460EFE09FEA7" box="[330,496,335,361]" italics="true" pageId="20" pageNumber="82">P. rhomboides</emphasis>
</taxonomicName>
. Furthermore, the caudal portion varies in length, thickness and segmentation
<typeStatus id="549D8809671CFFE135AC462DFF16FE43" box="[188,239,371,397]" pageId="20" pageNumber="82">type</typeStatus>
(partial or complete). In what accounts for cuticular coverage, species may present spined scales that lack a peduncle (column-like base) or pedunculated scales (stalked scales).
<taxonomicName id="4C264D28671CFFE1316146C8FA81FE7E" box="[1137,1400,406,432]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="20" pageNumber="82" phylum="Gastrotricha" rank="species" species="insularis" status="sp. nov.">
<emphasis id="B952EAB9671CFFE1316146C8FA81FE7E" box="[1137,1400,406,432]" italics="true" pageId="20" pageNumber="82">Polymerurus insularis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A26157C2671CFFE135AE46E7FEE0FE1D" box="[190,281,441,467]" pageId="20" pageNumber="82" rank="species">sp. nov.</taxonomicNameLabel>
bears spined scales that lack a peduncle, and in terms of cuticular coverage resembles six other species:
<taxonomicName id="4C264D28671CFFE134334683FE31FE38" baseAuthorityName="Voigt" baseAuthorityYear="1901" box="[291,456,476,502]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="20" pageNumber="82" phylum="Gastrotricha" rank="species" species="nodicaudus">
<emphasis id="B952EAB9671CFFE134334683FE31FE38" box="[291,456,476,502]" italics="true" pageId="20" pageNumber="82">P. nodicaudus</emphasis>
</taxonomicName>
,
<taxonomicName id="4C264D28671CFFE134C94683FD60FE38" baseAuthorityName="Voigt" baseAuthorityYear="1901" box="[473,665,476,502]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="20" pageNumber="82" phylum="Gastrotricha" rank="species" species="serraticaudus">
<emphasis id="B952EAB9671CFFE134C94683FD60FE38" box="[473,665,476,502]" italics="true" pageId="20" pageNumber="82">P. serraticaudus</emphasis>
</taxonomicName>
,
<taxonomicName id="4C264D28671CFFE137B94683FC47FE38" authority="(Daday, 1882)" baseAuthorityName="Daday" baseAuthorityYear="1882" box="[681,958,476,502]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="20" pageNumber="82" phylum="Gastrotricha" rank="species" species="entzii">
<emphasis id="B952EAB9671CFFE137B94683FCF1FE38" box="[681,776,477,502]" italics="true" pageId="20" pageNumber="82">P. entzii</emphasis>
(Daday, 1882)
</taxonomicName>
,
<taxonomicName id="4C264D28671CFFE136DA4683FAACFE38" authority="(Marcolongo, 1910)" baseAuthorityName="Marcolongo" baseAuthorityYear="1910" box="[970,1365,476,502]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="20" pageNumber="82" phylum="Gastrotricha" rank="species" species="nodifurca">
<emphasis id="B952EAB9671CFFE136DA4683FBA3FE38" box="[970,1114,476,502]" italics="true" pageId="20" pageNumber="82">P. nodifurca</emphasis>
(Marcolongo, 1910)
</taxonomicName>
,
<taxonomicName id="4C264D28671CFFE130714683FD60FDD4" authority="(Grosso &amp; Drahg, 1986)" baseAuthorityName="Grosso &amp; Drahg" baseAuthorityYear="1986" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="20" pageNumber="82" phylum="Gastrotricha" rank="species" species="paraelongatus">
<emphasis id="B952EAB9671CFFE130714683FE91FDD7" italics="true" pageId="20" pageNumber="82">P. paraelongatus</emphasis>
(
<bibRefCitation id="EFB74B5A671CFFE1346946A1FD68FDD4" author="Grosso L. E. &amp; Drahg F." box="[377,657,511,538]" pageId="20" pageNumber="82" pagination="139 - 149" refId="ref13723" refString="Grosso L. E. &amp; Drahg F. 1986. Gastrotricos dulceacuicolas de la provincia de Tucuman III. Acta Zoologica Lilloana 38: 139 - 149." type="journal article" year="1986">Grosso &amp; Drahg, 1986</bibRefCitation>
)
</taxonomicName>
and
<taxonomicName id="4C264D28671CFFE137C9455EFBD4FDD4" authority="(Grosso, 1975)" baseAuthorityName="Grosso" baseAuthorityYear="1975" box="[729,1069,511,538]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="20" pageNumber="82" phylum="Gastrotricha" rank="species" species="ringueleti">
<emphasis id="B952EAB9671CFFE137C9455EFC95FDD7" box="[729,876,511,537]" italics="true" pageId="20" pageNumber="82">P. ringueleti</emphasis>
(Grosso, 1975)
</taxonomicName>
. However, the new species has a specific set of characteristics that distinguishes it from these congeners: (1) a cuticular armature composed of simple spined scales with polygonal shape (
<emphasis id="B952EAB9671CFFE1367C4519FC42FDAE" box="[876,955,582,608]" italics="true" pageId="20" pageNumber="82">
<typeStatus id="549D8809671CFFE1367C4519FC5AFDAE" box="[876,931,583,608]" pageId="20" pageNumber="82">Type</typeStatus>
1
</emphasis>
scales), (2) a single, spineless dorsal scale with a triangular shape located terminally next to the furca base (
<emphasis id="B952EAB9671CFFE136FE4534FBC2FD4D" box="[1006,1083,617,643]" italics="true" pageId="20" pageNumber="82">
<typeStatus id="549D8809671CFFE136FE4534FBDCFD4D" box="[1006,1061,618,643]" pageId="20" pageNumber="82">Type</typeStatus>
2
</emphasis>
scale), (3) a spineless zone composed by a patch lacking cuticular ornamentation and flat, rounded or polygonal scales without spines (
<emphasis id="B952EAB9671CFFE1340945EEFE91FD07" box="[281,360,687,713]" italics="true" pageId="20" pageNumber="82">
<typeStatus id="549D8809671CFFE1340945EEFEA9FD07" box="[281,336,688,713]" pageId="20" pageNumber="82">Type</typeStatus>
4
</emphasis>
scales) (4) particular sets of terminal spined or keeled scales located both dorsally and ventrally around the furca base (
<emphasis id="B952EAB9671CFFE1375E458DFD52FD23" box="[590,683,723,749]" italics="true" pageId="20" pageNumber="82">
<typeStatus id="549D8809671CFFE1375E458DFD69FD22" box="[590,656,723,748]" pageId="20" pageNumber="82">Types</typeStatus>
3
</emphasis>
,
<emphasis id="B952EAB9671CFFE137AE458DFD34FD23" box="[702,717,723,749]" italics="true" pageId="20" pageNumber="82">5</emphasis>
,
<emphasis id="B952EAB9671CFFE137CF458CFD17FD22" box="[735,750,722,748]" italics="true" pageId="20" pageNumber="82">6</emphasis>
,
<emphasis id="B952EAB9671CFFE13611458DFCE9FD23" box="[769,784,723,749]" italics="true" pageId="20" pageNumber="82">7</emphasis>
and
<emphasis id="B952EAB9671CFFE13641458DFC99FD23" box="[849,864,723,749]" italics="true" pageId="20" pageNumber="82">8</emphasis>
scales). In addition to these characteristics, the new species can be differentiated from
<taxonomicName id="4C264D28671CFFE137D645A9FC94FCDE" baseAuthorityName="Voigt" baseAuthorityYear="1901" box="[710,877,758,784]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="20" pageNumber="82" phylum="Gastrotricha" rank="species" species="nodicaudus">
<emphasis id="B952EAB9671CFFE137D645A9FC94FCDE" box="[710,877,758,784]" italics="true" pageId="20" pageNumber="82">P. nodicaudus</emphasis>
</taxonomicName>
and
<taxonomicName id="4C264D28671CFFE136BB45A9FB8EFCDE" baseAuthorityName="Grosso &amp; Drahg" baseAuthorityYear="1986" box="[939,1143,758,784]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="20" pageNumber="82" phylum="Gastrotricha" rank="species" species="paraelongatus">
<emphasis id="B952EAB9671CFFE136BB45A9FC44FCDE" box="[939,957,759,784]" italics="true" pageId="20" pageNumber="82">P</emphasis>
.
<emphasis id="B952EAB9671CFFE136DE45A8FB8EFCDE" box="[974,1143,758,784]" italics="true" pageId="20" pageNumber="82">paraelongatus</emphasis>
</taxonomicName>
by the presence of a U-shaped furca instead of a V-shaped furca, and from
<taxonomicName id="4C264D28671CFFE1362C4444FC60FCFD" baseAuthorityName="Daday" baseAuthorityYear="1882" box="[828,921,794,819]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="20" pageNumber="82" phylum="Gastrotricha" rank="species" species="entzii">
<emphasis id="B952EAB9671CFFE1362C4444FC60FCFD" box="[828,921,794,819]" italics="true" pageId="20" pageNumber="82">P. entzii</emphasis>
</taxonomicName>
by the absence of long spines in each of the ring-like ornamentations (segments) of the furca rami. Additionally, the new species contrasts with
<taxonomicName id="4C264D28671CFFE135AE443EFEB5FCB7" baseAuthorityName="Marcolongo" baseAuthorityYear="1910" box="[190,332,863,889]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="20" pageNumber="82" phylum="Gastrotricha" rank="species" species="nodifurca">
<emphasis id="B952EAB9671CFFE135AE443EFEB5FCB7" box="[190,332,863,889]" italics="true" pageId="20" pageNumber="82">P. nodifurca</emphasis>
</taxonomicName>
by long and straight spines instead of short, curved spines, as found in the aforementioned species. Finally, spined-scales are present along the dorsolateral, lateral and ventrolateral regions in
<taxonomicName id="4C264D28671CFFE135AD44F8FE3CFC0E" box="[189,453,934,960]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="20" pageNumber="82" phylum="Gastrotricha" rank="species" species="insularis" status="sp. nov.">
<emphasis id="B952EAB9671CFFE135AD44F8FE3CFC0E" box="[189,453,934,960]" italics="true" pageId="20" pageNumber="82">Polymerurus insularis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A26157C2671CFFE134C044F8FDC9FC0E" box="[464,560,934,960]" pageId="20" pageNumber="82" rank="species">sp. nov.</taxonomicNameLabel>
, which distinguishes it from
<taxonomicName id="4C264D28671CFFE1369E44F9FBD8FC0E" baseAuthorityName="Grosso" baseAuthorityYear="1975" box="[910,1057,934,960]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="20" pageNumber="82" phylum="Gastrotricha" rank="species" species="ringueleti">
<emphasis id="B952EAB9671CFFE1369E44F9FC67FC0E" box="[910,926,935,960]" italics="true" pageId="20" pageNumber="82">P</emphasis>
.
<emphasis id="B952EAB9671CFFE136BF44F8FBD8FC0E" box="[943,1057,934,960]" italics="true" pageId="20" pageNumber="82">ringueleti</emphasis>
</taxonomicName>
; while the long, narrow and segmented furcal rami of the new species are very different from the short, thick and unornamented furca present in
<taxonomicName id="4C264D28671CFFE1346B44B3FDC0FBC8" baseAuthorityName="Voigt" baseAuthorityYear="1901" box="[379,569,1004,1030]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="20" pageNumber="82" phylum="Gastrotricha" rank="species" species="serraticaudus">
<emphasis id="B952EAB9671CFFE1346B44B3FDC0FBC8" box="[379,569,1004,1030]" italics="true" pageId="20" pageNumber="82">P. serraticaudus</emphasis>
</taxonomicName>
.
</paragraph>
<caption id="DF596623671AFFE735A94572FDB2FDA5" ID-Table-UUID="DF596623671AFFE735A94572FDB2FDA5" httpUri="http://table.plazi.org/id/DF596623671AFFE735A94572FDB2FDA5" pageId="18" pageNumber="80" startId="18.[185,254,556,584]" targetBox="[189,1933,722,1727]" targetIsTable="true" targetPageId="18">
<paragraph id="8B9936AB671AFFE735A94572FDB2FDA5" blockId="18.[185,1939,556,619]" pageId="18" pageNumber="80">
<emphasis id="B952EAB9671AFFE735A94572FEECFD86" bold="true" box="[185,277,556,584]" pageId="18" pageNumber="80">Table 3</emphasis>
(continued on next page). Comparison of several morphological structures among different species of
<taxonomicName id="4C264D28671AFFE730DD4572F8EFFD86" authority="Remane, 1927" authorityName="Remane" authorityYear="1927" box="[1485,1814,556,584]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="18" pageNumber="80" phylum="Gastrotricha" rank="genus">
<emphasis id="B952EAB9671AFFE730DD4572F99CFD86" box="[1485,1637,556,584]" italics="true" pageId="18" pageNumber="80">Polymerurus</emphasis>
<bibRefCitation id="EFB74B5A671AFFE7337C4572F8EFFD86" author="Remane A." box="[1644,1814,556,584]" pageId="18" pageNumber="80" pagination="269 - 320" refId="ref16030" refString="Remane A. 1927. Beitrage zur Systematik der Susswassergastrotrichen. Zoologische Jahrbucher Abteilung fur Systematik Oekologie und Geographie der Tiere 53: 269 - 320." type="journal article" year="1927">Remane, 1927</bibRefCitation>
</taxonomicName>
belonging to the spined scales morphotype.
</paragraph>
</caption>
<paragraph id="8B9936AB671AFFE7340C458CF895F96C" pageId="18" pageNumber="80">
<table id="F926C40B671A000A35AD458CF874F971" box="[189,1933,722,1727]" colsContinueIn="19.[189,1900,994,1492]" gridcols="7" gridrows="10" pageId="18" pageNumber="80">
<tr id="351634E9671A000A35AD458CF874FD27" box="[189,1933,722,745]" gridrow="0" pageId="18" pageNumber="80">
<th id="76C75D95671A000A35AD458CFE36FD27" box="[189,463,722,745]" gridcol="0" gridrow="0" pageId="18" pageNumber="80">
<emphasis id="B952EAB9671AFFE7340C458CFE41FD27" bold="true" box="[284,440,722,745]" pageId="18" pageNumber="80">Characteristics</emphasis>
</th>
<th id="76C75D95671A000A3731458CFCC2FD27" box="[545,827,722,745]" gridcol="1" gridrow="0" pageId="18" pageNumber="80">
<emphasis id="B952EAB9671AFFE7375D458CFCE8FD27" bold="true" box="[589,785,722,745]" italics="true" pageId="18" pageNumber="80">
<taxonomicName id="4C264D28671AFFE7375D458CFD46FD27" box="[589,703,722,745]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="18" pageNumber="80" phylum="Gastrotricha" rank="species" species="insularis" status="sp. nov.">
P.
<emphasis id="B952EAB9671AFFE73778458CFD46FD27" bold="true" box="[616,703,722,745]" italics="true" pageId="18" pageNumber="80">insularis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A26157C2671AFFE737D5458CFCE8FD27" box="[709,785,722,745]" pageId="18" pageNumber="80" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</th>
<th id="76C75D95671A000A3672458CFBEBFD27" box="[866,1042,722,745]" gridcol="2" gridrow="0" pageId="18" pageNumber="80">
<taxonomicName id="4C264D28671AFFE7367A458CFC0DFD27" baseAuthorityName="Voigt" baseAuthorityYear="1901" box="[874,1012,722,745]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="18" pageNumber="80" phylum="Gastrotricha" rank="species" species="nodicaudus">
<emphasis id="B952EAB9671AFFE7367A458CFC0DFD27" bold="true" box="[874,1012,722,745]" italics="true" pageId="18" pageNumber="80">P. nodicaudus</emphasis>
</taxonomicName>
</th>
<th id="76C75D95671A000A3134458CFB1EFD27" box="[1060,1255,722,745]" gridcol="3" gridrow="0" pageId="18" pageNumber="80">
<taxonomicName id="4C264D28671AFFE7314F458CFB52FD27" baseAuthorityName="Daday" baseAuthorityYear="1882" box="[1119,1195,722,745]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="18" pageNumber="80" phylum="Gastrotricha" rank="species" species="entzii">
<emphasis id="B952EAB9671AFFE7314F458CFB52FD27" bold="true" box="[1119,1195,722,745]" italics="true" pageId="18" pageNumber="80">P. entzii</emphasis>
</taxonomicName>
</th>
<th id="76C75D95671A000A3010458CFA3DFD27" box="[1280,1476,722,745]" gridcol="4" gridrow="0" pageId="18" pageNumber="80">
<taxonomicName id="4C264D28671AFFE73035458CFA67FD27" baseAuthorityName="Marcolongo" baseAuthorityYear="1910" box="[1317,1438,722,745]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="18" pageNumber="80" phylum="Gastrotricha" rank="species" species="nodifurca">
<emphasis id="B952EAB9671AFFE73035458CFA67FD27" bold="true" box="[1317,1438,722,745]" italics="true" pageId="18" pageNumber="80">P. nodifurca</emphasis>
</taxonomicName>
</th>
<th id="76C75D95671A000A30F4458CF951FD27" box="[1508,1704,722,745]" gridcol="5" gridrow="0" pageId="18" pageNumber="80">
<taxonomicName id="4C264D28671AFFE730FF458CF964FD27" authorityName="Grosso &amp; Drahg" authorityYear="1986" box="[1519,1693,722,745]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="18" pageNumber="80" phylum="Gastrotricha" rank="species" species="paraelongatum">
<emphasis id="B952EAB9671AFFE730FF458CF964FD27" bold="true" box="[1519,1693,722,745]" italics="true" pageId="18" pageNumber="80">P. paraelongatum</emphasis>
</taxonomicName>
</th>
<th id="76C75D95671A000A33AD458CF874FD27" box="[1725,1933,722,745]" gridcol="6" gridrow="0" pageId="18" pageNumber="80">
<taxonomicName id="4C264D28671AFFE733F9458CF898FD27" baseAuthorityName="Grosso" baseAuthorityYear="1975" box="[1769,1889,722,745]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="18" pageNumber="80" phylum="Gastrotricha" rank="species" species="ringueleti">
<emphasis id="B952EAB9671AFFE733F9458CF898FD27" bold="true" box="[1769,1889,722,745]" italics="true" pageId="18" pageNumber="80">P. ringueleti</emphasis>
</taxonomicName>
</th>
</tr>
<tr id="351634E9671A000A35AD4472F874FC8A" box="[189,1933,812,836]" gridrow="1" pageId="18" pageNumber="80">
<th id="76C75D95671A000A35AD4472FE36FC8A" box="[189,463,812,836]" gridcol="0" gridrow="1" pageId="18" pageNumber="80">
<emphasis id="B952EAB9671AFFE735AD4472FECAFC8D" bold="true" box="[189,307,812,835]" pageId="18" pageNumber="80">Body shape</emphasis>
</th>
<td id="76C75D95671A000A37314472FCC2FC8A" box="[545,827,812,836]" gridcol="1" gridrow="1" pageId="18" pageNumber="80">Elongated</td>
<td id="76C75D95671A000A36724472FBEBFC8A" box="[866,1042,812,836]" gridcol="2" gridrow="1" pageId="18" pageNumber="80">Elongated</td>
<td id="76C75D95671A000A31344472FB1EFC8A" box="[1060,1255,812,836]" gridcol="3" gridrow="1" pageId="18" pageNumber="80">Elongated</td>
<td id="76C75D95671A000A30104472FA3DFC8A" box="[1280,1476,812,836]" gridcol="4" gridrow="1" pageId="18" pageNumber="80">Elongated</td>
<td id="76C75D95671A000A30F44472F951FC8A" box="[1508,1704,812,836]" gridcol="5" gridrow="1" pageId="18" pageNumber="80">Elongated</td>
<td id="76C75D95671A000A33AD4472F874FC8A" box="[1725,1933,812,836]" gridcol="6" gridrow="1" pageId="18" pageNumber="80">Elongated</td>
</tr>
<tr id="351634E9671A000A35AD44D9F874FC50" box="[189,1933,903,926]" gridrow="2" pageId="18" pageNumber="80">
<th id="76C75D95671A000A35AD44D9FE36FC50" box="[189,463,903,926]" gridcol="0" gridrow="2" pageId="18" pageNumber="80">
<emphasis id="B952EAB9671AFFE735AD44D9FECEFC50" bold="true" box="[189,311,903,926]" pageId="18" pageNumber="80">Total length</emphasis>
</th>
<td id="76C75D95671A000A373144D9FCC2FC50" box="[545,827,903,926]" gridcol="1" gridrow="2" pageId="18" pageNumber="80">215408 µm</td>
<td id="76C75D95671A000A367244D9FBEBFC50" box="[866,1042,903,926]" gridcol="2" gridrow="2" pageId="18" pageNumber="80">330544 µm</td>
<td id="76C75D95671A000A313444D9FB1EFC50" box="[1060,1255,903,926]" gridcol="3" gridrow="2" pageId="18" pageNumber="80">350420 µm</td>
<td id="76C75D95671A000A301044D9FA3DFC50" box="[1280,1476,903,926]" gridcol="4" gridrow="2" pageId="18" pageNumber="80">395 µm</td>
<td id="76C75D95671A000A30F444D9F951FC50" box="[1508,1704,903,926]" gridcol="5" gridrow="2" pageId="18" pageNumber="80">504 µm</td>
<td id="76C75D95671A000A33AD44D9F874FC50" box="[1725,1933,903,926]" gridcol="6" gridrow="2" pageId="18" pageNumber="80">290 µm</td>
</tr>
<tr id="351634E9671A000A35AD44BCF874FC37" box="[189,1933,994,1017]" gridrow="3" pageId="18" pageNumber="80">
<th id="76C75D95671A000A35AD44BCFE36FC37" box="[189,463,994,1017]" gridcol="0" gridrow="3" pageId="18" pageNumber="80">
<emphasis id="B952EAB9671AFFE735AD44BCFE6DFC37" bold="true" box="[189,404,994,1017]" pageId="18" pageNumber="80">Pharynx constriction</emphasis>
</th>
<td id="76C75D95671A000A373144BCFCC2FC37" box="[545,827,994,1017]" gridcol="1" gridrow="3" pageId="18" pageNumber="80">Slightly evident</td>
<td id="76C75D95671A000A367244BCFBEBFC37" box="[866,1042,994,1017]" gridcol="2" gridrow="3" pageId="18" pageNumber="80">Slightly evident</td>
<td id="76C75D95671A000A313444BCFB1EFC37" box="[1060,1255,994,1017]" gridcol="3" gridrow="3" pageId="18" pageNumber="80">Slightly evident</td>
<td id="76C75D95671A000A301044BCFA3DFC37" box="[1280,1476,994,1017]" gridcol="4" gridrow="3" pageId="18" pageNumber="80">Slightly evident</td>
<td id="76C75D95671A000A30F444BCF951FC37" box="[1508,1704,994,1017]" gridcol="5" gridrow="3" pageId="18" pageNumber="80">Slightly evident</td>
<td id="76C75D95671A000A33AD44BCF874FC37" box="[1725,1933,994,1017]" gridcol="6" gridrow="3" pageId="18" pageNumber="80">Slightly evident</td>
</tr>
<tr id="351634E9671A000A35AD4363F874FB9A" box="[189,1933,1085,1108]" gridrow="4" pageId="18" pageNumber="80">
<th id="76C75D95671A000A35AD4363FE36FB9A" box="[189,463,1085,1108]" gridcol="0" gridrow="4" pageId="18" pageNumber="80">
<emphasis id="B952EAB9671AFFE735AD4363FE55FB9A" bold="true" box="[189,428,1085,1108]" pageId="18" pageNumber="80">Furca base constriction</emphasis>
</th>
<td id="76C75D95671A000A37314363FCC2FB9A" box="[545,827,1085,1108]" gridcol="1" gridrow="4" pageId="18" pageNumber="80">Accentuated</td>
<td id="76C75D95671A000A36724363FBEBFB9A" box="[866,1042,1085,1108]" gridcol="2" gridrow="4" pageId="18" pageNumber="80">Accentuated</td>
<td id="76C75D95671A000A31344363FB1EFB9A" box="[1060,1255,1085,1108]" gridcol="3" gridrow="4" pageId="18" pageNumber="80">Accentuated</td>
<td id="76C75D95671A000A30104363FA3DFB9A" box="[1280,1476,1085,1108]" gridcol="4" gridrow="4" pageId="18" pageNumber="80">Accentuated</td>
<td id="76C75D95671A000A30F44363F951FB9A" box="[1508,1704,1085,1108]" gridcol="5" gridrow="4" pageId="18" pageNumber="80">Slightly accentuated</td>
<td id="76C75D95671A000A33AD4363F874FB9A" box="[1725,1933,1085,1108]" gridcol="6" gridrow="4" pageId="18" pageNumber="80">Accentuated</td>
</tr>
<tr id="351634E9671A000A35AD43C7F874FB24" box="[189,1933,1177,1258]" gridrow="5" pageId="18" pageNumber="80">
<th id="76C75D95671A000A35AD43C7FE36FB24" box="[189,463,1177,1258]" gridcol="0" gridrow="5" pageId="18" pageNumber="80">
<emphasis id="B952EAB9671AFFE735AD43E8FEECFB03" bold="true" box="[189,277,1206,1229]" pageId="18" pageNumber="80">Pharynx</emphasis>
</th>
<td id="76C75D95671A000A373143C7FCC2FB24" box="[545,827,1177,1258]" gridcol="1" gridrow="5" pageId="18" pageNumber="80">Cylindrical shape, gradative enlargement towards the rear end</td>
<td id="76C75D95671A000A367243C7FBEBFB24" box="[866,1042,1177,1258]" gridcol="2" gridrow="5" pageId="18" pageNumber="80">Cylindrical</td>
<td id="76C75D95671A000A313443C7FB1EFB24" box="[1060,1255,1177,1258]" gridcol="3" gridrow="5" pageId="18" pageNumber="80">No description</td>
<td id="76C75D95671A000A301043C7FA3DFB24" box="[1280,1476,1177,1258]" gridcol="4" gridrow="5" pageId="18" pageNumber="80">Cylindrical</td>
<td id="76C75D95671A000A30F443C7F951FB24" box="[1508,1704,1177,1258]" gridcol="5" gridrow="5" pageId="18" pageNumber="80">No description</td>
<td id="76C75D95671A000A33AD43C7F874FB24" box="[1725,1933,1177,1258]" gridcol="6" gridrow="5" pageId="18" pageNumber="80">Slightly evident posterior enlargement</td>
</tr>
<tr id="351634E9671A000A35AD4271F874FA88" box="[189,1933,1327,1350]" gridrow="6" pageId="18" pageNumber="80">
<th id="76C75D95671A000A35AD4271FE36FA88" box="[189,463,1327,1350]" gridcol="0" gridrow="6" pageId="18" pageNumber="80">
<emphasis id="B952EAB9671AFFE735AD4271FE36FA88" bold="true" box="[189,463,1327,1350]" pageId="18" pageNumber="80">General structure of scales</emphasis>
</th>
<td id="76C75D95671A000A37314271FBEBFA88" box="[545,1042,1327,1350]" colspan="2" colspanRight="1" gridcol="1" gridrow="6" pageId="18" pageNumber="80">Spined, no peduncle Spined, no peduncle</td>
<td id="76C75D95671A000A31344271FB1EFA88" box="[1060,1255,1327,1350]" gridcol="3" gridrow="6" pageId="18" pageNumber="80">Spined, no peduncle</td>
<td id="76C75D95671A000A30104271FA3DFA88" box="[1280,1476,1327,1350]" gridcol="4" gridrow="6" pageId="18" pageNumber="80">Spined, no peduncle</td>
<td id="76C75D95671A000A30F44271F951FA88" box="[1508,1704,1327,1350]" gridcol="5" gridrow="6" pageId="18" pageNumber="80">Spined, no peduncle</td>
<td id="76C75D95671A000A33AD4271F874FA88" box="[1725,1933,1327,1350]" gridcol="6" gridrow="6" pageId="18" pageNumber="80">Spined, no peduncle</td>
</tr>
<tr id="351634E9671A000A35AD42D6F874FA3B" box="[189,1933,1416,1525]" gridrow="7" pageId="18" pageNumber="80">
<th id="76C75D95671A000A35AD42D6FE36FA3B" box="[189,463,1416,1525]" gridcol="0" gridrow="7" pageId="18" pageNumber="80">
<emphasis id="B952EAB9671AFFE735AD42EDFE52FA04" bold="true" box="[189,427,1459,1482]" pageId="18" pageNumber="80">General shape of scales</emphasis>
</th>
<td id="76C75D95671A000A373142D6FBEBFA3B" box="[545,1042,1416,1525]" colspan="2" colspanRight="1" gridcol="1" gridrow="7" pageId="18" pageNumber="80">Pentagonal, anteriorly curved Anteriorly rounded, as a dome and distally posterior end shaped incised, or all-rounded and as an U smaller</td>
<td id="76C75D95671A000A313442D6FB1EFA3B" box="[1060,1255,1416,1525]" gridcol="3" gridrow="7" pageId="18" pageNumber="80">Anterior and lateral extremities with concave shape</td>
<td id="76C75D95671A000A301042D6FA3DFA3B" box="[1280,1476,1416,1525]" gridcol="4" gridrow="7" pageId="18" pageNumber="80">No description</td>
<td id="76C75D95671A000A30F442D6F951FA3B" box="[1508,1704,1416,1525]" gridcol="5" gridrow="7" pageId="18" pageNumber="80">Anteriorly rounded, posterior extremity V-shaped</td>
<td id="76C75D95671A000A33AD42D6F874FA3B" box="[1725,1933,1416,1525]" gridcol="6" gridrow="7" pageId="18" pageNumber="80">No description</td>
</tr>
<tr id="351634E9671A000A35AD4169F874F980" box="[189,1933,1591,1614]" gridrow="8" pageId="18" pageNumber="80">
<th id="76C75D95671A000A35AD4169FE36F980" box="[189,463,1591,1614]" gridcol="0" gridrow="8" pageId="18" pageNumber="80">
<emphasis id="B952EAB9671AFFE735AD4169FEF9F980" bold="true" box="[189,256,1591,1614]" pageId="18" pageNumber="80">Spines</emphasis>
</th>
<td id="76C75D95671A000A37314169FCC2F980" box="[545,827,1591,1614]" gridcol="1" gridrow="8" pageId="18" pageNumber="80">Present</td>
<td id="76C75D95671A000A36724169FBEBF980" box="[866,1042,1591,1614]" gridcol="2" gridrow="8" pageId="18" pageNumber="80">Present</td>
<td id="76C75D95671A000A31344169FB1EF980" box="[1060,1255,1591,1614]" gridcol="3" gridrow="8" pageId="18" pageNumber="80">Present</td>
<td id="76C75D95671A000A30104169FA3DF980" box="[1280,1476,1591,1614]" gridcol="4" gridrow="8" pageId="18" pageNumber="80">Present</td>
<td id="76C75D95671A000A30F44169F951F980" box="[1508,1704,1591,1614]" gridcol="5" gridrow="8" pageId="18" pageNumber="80">Present</td>
<td id="76C75D95671A000A33AD4169F874F980" box="[1725,1933,1591,1614]" gridcol="6" gridrow="8" pageId="18" pageNumber="80">Present</td>
</tr>
<tr id="351634E9671A000A35AD41D5F874F971" box="[189,1933,1675,1727]" gridrow="9" pageId="18" pageNumber="80">
<th id="76C75D95671A000A35AD41D5FE36F971" box="[189,463,1675,1727]" gridcol="0" gridrow="9" pageId="18" pageNumber="80">
<emphasis id="B952EAB9671AFFE735AD41C7FE58F97E" bold="true" box="[189,417,1689,1712]" pageId="18" pageNumber="80">Shape of dorsal spines</emphasis>
</th>
<td id="76C75D95671A000A373141D5FBEBF971" box="[545,1042,1675,1727]" colspan="2" colspanRight="1" gridcol="1" gridrow="9" pageId="18" pageNumber="80">Straight, usually long, shorter Short and simple, near the head larger posteriorly</td>
<td id="76C75D95671A000A313441D5FB1EF971" box="[1060,1255,1675,1727]" gridcol="3" gridrow="9" pageId="18" pageNumber="80">No description</td>
<td id="76C75D95671A000A301041D5FA3DF971" box="[1280,1476,1675,1727]" gridcol="4" gridrow="9" pageId="18" pageNumber="80">Short, simple</td>
<td id="76C75D95671A000A30F441D5F951F971" box="[1508,1704,1675,1727]" gridcol="5" gridrow="9" pageId="18" pageNumber="80">Simple</td>
<td id="76C75D95671A000A33AD41D5F874F971" box="[1725,1933,1675,1727]" gridcol="6" gridrow="9" pageId="18" pageNumber="80">No description</td>
</tr>
</table>
</paragraph>
<caption id="DF596623671BFFE635A94463FE52FC97" box="[185,427,829,857]" pageId="19" pageNumber="81" startId="19.[185,254,829,857]" targetBox="[189,1900,994,1492]" targetIsTable="true" targetPageId="19">
<paragraph id="8B9936AB671BFFE635A94463FE52FC97" blockId="19.[185,427,829,857]" box="[185,427,829,857]" pageId="19" pageNumber="81">
<emphasis id="B952EAB9671BFFE635A94463FEECFC97" bold="true" box="[185,277,829,857]" pageId="19" pageNumber="81">Table 3</emphasis>
(continued).
</paragraph>
</caption>
<paragraph id="8B9936AB671BFFE6340C44BCF891FA08" pageId="19" pageNumber="81">
<table id="F926C40B671B000A35AD44BCF895FA1A" box="[189,1900,994,1492]" colsContinueFrom="18.[189,1933,722,1727]" gridcols="7" gridrows="5" pageId="19" pageNumber="81">
<tr id="351634E9671B000A35AD44BCF895FC37" box="[189,1900,994,1017]" gridrow="0" pageId="19" pageNumber="81">
<th id="76C75D95671B000A35AD44BCFE0EFC37" box="[189,503,994,1017]" gridcol="0" gridrow="0" pageId="19" pageNumber="81">
<emphasis id="B952EAB9671BFFE6340C44BCFE41FC37" bold="true" box="[284,440,994,1017]" pageId="19" pageNumber="81">Characteristics</emphasis>
</th>
<th id="76C75D95671B000A373044BCFCC6FC37" box="[544,831,994,1017]" gridcol="1" gridrow="0" pageId="19" pageNumber="81">
<emphasis id="B952EAB9671BFFE6375D44BCFCE8FC37" bold="true" box="[589,785,994,1017]" italics="true" pageId="19" pageNumber="81">
<taxonomicName id="4C264D28671BFFE6375D44BCFD46FC37" box="[589,703,994,1017]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="19" pageNumber="81" phylum="Gastrotricha" rank="species" species="insularis" status="sp. nov.">
P.
<emphasis id="B952EAB9671BFFE6377844BCFD46FC37" bold="true" box="[616,703,994,1017]" italics="true" pageId="19" pageNumber="81">insularis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A26157C2671BFFE637D544BCFCE8FC37" box="[709,785,994,1017]" pageId="19" pageNumber="81" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</th>
<th id="76C75D95671B000A367844BCFBE8FC37" box="[872,1041,994,1017]" gridcol="2" gridrow="0" pageId="19" pageNumber="81">
<taxonomicName id="4C264D28671BFFE6367A44BCFC0DFC37" baseAuthorityName="Voigt" baseAuthorityYear="1901" box="[874,1012,994,1017]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="19" pageNumber="81" phylum="Gastrotricha" rank="species" species="nodicaudus">
<emphasis id="B952EAB9671BFFE6367A44BCFC0DFC37" bold="true" box="[874,1012,994,1017]" italics="true" pageId="19" pageNumber="81">P. nodicaudus</emphasis>
</taxonomicName>
</th>
<th id="76C75D95671B000A313E44BCFB24FC37" box="[1070,1245,994,1017]" gridcol="3" gridrow="0" pageId="19" pageNumber="81">
<taxonomicName id="4C264D28671BFFE6314F44BCFB52FC37" baseAuthorityName="Daday" baseAuthorityYear="1882" box="[1119,1195,994,1017]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="19" pageNumber="81" phylum="Gastrotricha" rank="species" species="entzii">
<emphasis id="B952EAB9671BFFE6314F44BCFB52FC37" bold="true" box="[1119,1195,994,1017]" italics="true" pageId="19" pageNumber="81">P. entzii</emphasis>
</taxonomicName>
</th>
<th id="76C75D95671B000A300B44BCFA50FC37" box="[1307,1449,994,1017]" gridcol="4" gridrow="0" pageId="19" pageNumber="81">
<taxonomicName id="4C264D28671BFFE6303544BCFA67FC37" baseAuthorityName="Marcolongo" baseAuthorityYear="1910" box="[1317,1438,994,1017]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="19" pageNumber="81" phylum="Gastrotricha" rank="species" species="nodifurca">
<emphasis id="B952EAB9671BFFE6303544BCFA67FC37" bold="true" box="[1317,1438,994,1017]" italics="true" pageId="19" pageNumber="81">P. nodifurca</emphasis>
</taxonomicName>
</th>
<th id="76C75D95671B000A30FF44BCF964FC37" box="[1519,1693,994,1017]" gridcol="5" gridrow="0" pageId="19" pageNumber="81">
<taxonomicName id="4C264D28671BFFE630FF44BCF964FC37" authorityName="Grosso &amp; Drahg" authorityYear="1986" box="[1519,1693,994,1017]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="19" pageNumber="81" phylum="Gastrotricha" rank="species" species="paraelongatum">
<emphasis id="B952EAB9671BFFE630FF44BCF964FC37" bold="true" box="[1519,1693,994,1017]" italics="true" pageId="19" pageNumber="81">P. paraelongatum</emphasis>
</taxonomicName>
</th>
<th id="76C75D95671B000A33CE44BCF895FC37" box="[1758,1900,994,1017]" gridcol="6" gridrow="0" pageId="19" pageNumber="81">
<taxonomicName id="4C264D28671BFFE633F944BCF898FC37" baseAuthorityName="Grosso" baseAuthorityYear="1975" box="[1769,1889,994,1017]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="19" pageNumber="81" phylum="Gastrotricha" rank="species" species="ringueleti">
<emphasis id="B952EAB9671BFFE633F944BCF898FC37" bold="true" box="[1769,1889,994,1017]" italics="true" pageId="19" pageNumber="81">P. ringueleti</emphasis>
</taxonomicName>
</th>
</tr>
<tr id="351634E9671B000A35AD4371F895FB4E" box="[189,1900,1071,1152]" gridrow="1" pageId="19" pageNumber="81">
<th id="76C75D95671B000A35AD4371FE0EFB4E" box="[189,503,1071,1152]" gridcol="0" gridrow="1" pageId="19" pageNumber="81">
<emphasis id="B952EAB9671BFFE635AD4312FF03FBAD" bold="true" box="[189,250,1100,1123]" pageId="19" pageNumber="81">Furca</emphasis>
</th>
<td id="76C75D95671B000A37304371FBE8FB4E" box="[544,1041,1071,1152]" colspan="2" colspanRight="1" gridcol="1" gridrow="1" pageId="19" pageNumber="81">Shaped as a U, middle furrow V-shaped, no furrow V-shaped</td>
<td id="76C75D95671B000A313E4371FB24FB4E" box="[1070,1245,1071,1152]" gridcol="3" gridrow="1" pageId="19" pageNumber="81">Shaped as a wider U, middle furrow present</td>
<td id="76C75D95671B000A300B4371FA50FB4E" box="[1307,1449,1071,1152]" gridcol="4" gridrow="1" pageId="19" pageNumber="81">No description</td>
<td id="76C75D95671B000A30FF4371F964FB4E" box="[1519,1693,1071,1152]" gridcol="5" gridrow="1" pageId="19" pageNumber="81">V-shaped</td>
<td id="76C75D95671B000A33CE4371F895FB4E" box="[1758,1900,1071,1152]" gridcol="6" gridrow="1" pageId="19" pageNumber="81">U-shaped</td>
</tr>
<tr id="351634E9671B000A35AD43F9F895FB15" box="[189,1900,1191,1243]" gridrow="2" pageId="19" pageNumber="81">
<th id="76C75D95671B000A35AD43F9FE0EFB15" box="[189,503,1191,1243]" gridcol="0" gridrow="2" pageId="19" pageNumber="81">
<emphasis id="B952EAB9671BFFE635AD43EBFE2AFB02" bold="true" box="[189,467,1205,1228]" pageId="19" pageNumber="81">Ventral scales at furca base</emphasis>
</th>
<td id="76C75D95671B000A373043F9FCC6FB15" box="[544,831,1191,1243]" gridcol="1" gridrow="2" pageId="19" pageNumber="81">Polygonal or rounded, no peduncle nor superposition</td>
<td id="76C75D95671B000A367843F9FBE8FB15" box="[872,1041,1191,1243]" gridcol="2" gridrow="2" pageId="19" pageNumber="81">No description</td>
<td id="76C75D95671B000A313E43F9FB24FB15" box="[1070,1245,1191,1243]" gridcol="3" gridrow="2" pageId="19" pageNumber="81">No description</td>
<td id="76C75D95671B000A300B43F9FA50FB15" box="[1307,1449,1191,1243]" gridcol="4" gridrow="2" pageId="19" pageNumber="81">No description</td>
<td id="76C75D95671B000A30FF43F9F964FB15" box="[1519,1693,1191,1243]" gridcol="5" gridrow="2" pageId="19" pageNumber="81">No description</td>
<td id="76C75D95671B000A33CE43F9F895FB15" box="[1758,1900,1191,1243]" gridcol="6" gridrow="2" pageId="19" pageNumber="81">No description</td>
</tr>
<tr id="351634E9671B000A35AD4247F895FAA4" box="[189,1900,1305,1386]" gridrow="3" pageId="19" pageNumber="81">
<th id="76C75D95671B000A35AD4247FE0EFAA4" box="[189,503,1305,1386]" gridcol="0" gridrow="3" pageId="19" pageNumber="81">
<emphasis id="B952EAB9671BFFE635AD4268FE32FA83" bold="true" box="[189,459,1334,1357]" pageId="19" pageNumber="81">Dorsal scales at furca base</emphasis>
</th>
<td id="76C75D95671B000A37304247FCC6FAA4" box="[544,831,1305,1386]" gridcol="1" gridrow="3" pageId="19" pageNumber="81">Spineless, mostly pentagonal, a few visibly by SEM oval or rounded, larger and flat</td>
<td id="76C75D95671B000A36784247FBE8FAA4" box="[872,1041,1305,1386]" gridcol="2" gridrow="3" pageId="19" pageNumber="81">
<taxonomicName id="4C264D28671BFFE6367C4268FC69FA83" box="[876,912,1334,1357]" class="Not" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="19" pageNumber="81" phylum="Gastrotricha" rank="class">Not</taxonomicName>
described
</td>
<td id="76C75D95671B000A313E4247FB24FAA4" box="[1070,1245,1305,1386]" gridcol="3" gridrow="3" pageId="19" pageNumber="81">
<taxonomicName id="4C264D28671BFFE631524268FB9FFA83" box="[1090,1126,1334,1357]" class="Not" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="19" pageNumber="81" phylum="Gastrotricha" rank="class">Not</taxonomicName>
described
</td>
<td id="76C75D95671B000A300B4247FA50FAA4" box="[1307,1449,1305,1386]" gridcol="4" gridrow="3" pageId="19" pageNumber="81">
<taxonomicName id="4C264D28671BFFE6300F4268FABAFA83" box="[1311,1347,1334,1357]" class="Not" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="19" pageNumber="81" phylum="Gastrotricha" rank="class">Not</taxonomicName>
described
</td>
<td id="76C75D95671B000A30FF4247F964FAA4" box="[1519,1693,1305,1386]" gridcol="5" gridrow="3" pageId="19" pageNumber="81">
<taxonomicName id="4C264D28671BFFE633134268F9DEFA83" box="[1539,1575,1334,1357]" class="Not" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="19" pageNumber="81" phylum="Gastrotricha" rank="class">Not</taxonomicName>
described
</td>
<td id="76C75D95671B000A33CE4247F895FAA4" box="[1758,1900,1305,1386]" gridcol="6" gridrow="3" pageId="19" pageNumber="81">
<taxonomicName id="4C264D28671BFFE633F24268F8FFFA83" box="[1762,1798,1334,1357]" class="Not" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="19" pageNumber="81" phylum="Gastrotricha" rank="class">Not</taxonomicName>
described
</td>
</tr>
<tr id="351634E9671B000A35AD42FEF895FA1A" box="[189,1900,1440,1492]" gridrow="4" pageId="19" pageNumber="81">
<th id="76C75D95671B000A35AD42FEFE0EFA1A" box="[189,503,1440,1492]" gridcol="0" gridrow="4" pageId="19" pageNumber="81">
<emphasis id="B952EAB9671BFFE635AD42FEFE8CFA1A" bold="true" pageId="19" pageNumber="81">Internal pair of small spines at ventral furca base</emphasis>
</th>
<td id="76C75D95671B000A373042FEFCC6FA1A" box="[544,831,1440,1492]" gridcol="1" gridrow="4" pageId="19" pageNumber="81">Present</td>
<td id="76C75D95671B000A367842FEFBE8FA1A" box="[872,1041,1440,1492]" gridcol="2" gridrow="4" pageId="19" pageNumber="81">
<taxonomicName id="4C264D28671BFFE6367C42F1FC69FA08" box="[876,912,1455,1478]" class="Not" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="19" pageNumber="81" phylum="Gastrotricha" rank="class">Not</taxonomicName>
described
</td>
<td id="76C75D95671B000A313E42FEFB24FA1A" box="[1070,1245,1440,1492]" gridcol="3" gridrow="4" pageId="19" pageNumber="81">
<taxonomicName id="4C264D28671BFFE6315242F1FB9FFA08" box="[1090,1126,1455,1478]" class="Not" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="19" pageNumber="81" phylum="Gastrotricha" rank="class">Not</taxonomicName>
described
</td>
<td id="76C75D95671B000A300B42FEFA50FA1A" box="[1307,1449,1440,1492]" gridcol="4" gridrow="4" pageId="19" pageNumber="81">Absent</td>
<td id="76C75D95671B000A30FF42FEF964FA1A" box="[1519,1693,1440,1492]" gridcol="5" gridrow="4" pageId="19" pageNumber="81">
<taxonomicName id="4C264D28671BFFE6331342F1F9DEFA08" box="[1539,1575,1455,1478]" class="Not" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="19" pageNumber="81" phylum="Gastrotricha" rank="class">Not</taxonomicName>
described
</td>
<td id="76C75D95671B000A33CE42FEF895FA1A" box="[1758,1900,1440,1492]" gridcol="6" gridrow="4" pageId="19" pageNumber="81">
<taxonomicName id="4C264D28671BFFE633F242F1F8FFFA08" box="[1762,1798,1455,1478]" class="Not" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="19" pageNumber="81" phylum="Gastrotricha" rank="class">Not</taxonomicName>
described
</td>
</tr>
</table>
</paragraph>
<paragraph id="8B9936AB671CFFE135AD4370FDE2FB85" blockId="20.[189,539,1070,1099]" box="[189,539,1070,1099]" pageId="20" pageNumber="82">
<emphasis id="B952EAB9671CFFE135AD4370FDE2FB85" bold="true" box="[189,539,1070,1099]" italics="true" pageId="20" pageNumber="82">Phylogenetic relationships</emphasis>
</paragraph>
<paragraph id="8B9936AB671CFFE135AD433DFC10FA59" blockId="20.[187,1399,1123,1431]" pageId="20" pageNumber="82">
The final alignments of 18S rDNA and 28S rDNA yielded 1761 and 4141 positions, respectively, while the concatenated alignment had 5902 positions. The phylogenetic reconstruction based on a multigene approach supported the currently recognized monophyly of the genus
<taxonomicName id="4C264D28671CFFE1311C43F7FB5DFB0D" authorityName="Remane" authorityYear="1927" box="[1036,1188,1193,1219]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="20" pageNumber="82" phylum="Gastrotricha" rank="genus">
<emphasis id="B952EAB9671CFFE1311C43F7FB5DFB0D" box="[1036,1188,1193,1219]" italics="true" pageId="20" pageNumber="82">Polymerurus</emphasis>
</taxonomicName>
with a very high bayesian (10.98) and bootstrap (9998) support for the phylogenetic signal on both internal and external nodes of the Maximum Likelihood (
<figureCitation id="131D2A2E671CFFE137D743AEFCF5FAC4" box="[711,780,1264,1290]" captionStart="Fig" captionStartId="21.[189,232,1914,1940]" captionTargetBox="[222,1356,715,1869]" captionTargetId="figure-167@21.[203,1384,707,1877]" captionTargetPageId="21" captionText="Fig. 9. Maximum Likelihood tree based on multigene approach with 18S and 28S sequences. Highlighted branches correspond to the Polymerurus Remane, 1927 species sequences. Values on the branches correspond, respectively, to: SH-aLRT support (%) / aBayes support / ultrafast bootstrap support (%)." figureDoi="http://doi.org/10.5281/zenodo.7401655" httpUri="https://zenodo.org/record/7401655/files/figure.png" pageId="20" pageNumber="82">Fig. 9</figureCitation>
) and Consensus trees (Supp. file 2). Accordingly, the
<specimenCount id="9D20FD22671CFFE135AB424AFE9EFAE3" box="[187,359,1299,1326]" pageId="20" pageNumber="82" type="generic">two specimens</specimenCount>
of
<taxonomicName id="4C264D28671CFFE1349D424DFD6BFAE3" box="[397,658,1299,1325]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="20" pageNumber="82" phylum="Gastrotricha" rank="species" species="insularis" status="sp. nov.">
<emphasis id="B952EAB9671CFFE1349D424DFD6BFAE3" box="[397,658,1299,1325]" italics="true" pageId="20" pageNumber="82">Polymerurus insularis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A26157C2671CFFE13788424AFD0BFAE0" box="[664,754,1300,1326]" pageId="20" pageNumber="82" rank="species">sp. nov.</taxonomicNameLabel>
were grouped together and nested within
<taxonomicName id="4C264D28671CFFE131C6424DFA97FAE3" authorityName="Remane" authorityYear="1927" box="[1238,1390,1299,1325]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="20" pageNumber="82" phylum="Gastrotricha" rank="genus">
<emphasis id="B952EAB9671CFFE131C6424DFA97FAE3" box="[1238,1390,1299,1325]" italics="true" pageId="20" pageNumber="82">Polymerurus</emphasis>
</taxonomicName>
, with branch supports of 1 and 99. As expected,
<taxonomicName id="4C264D28671CFFE137CC4269FC87FA9E" baseAuthorityName="Voigt" baseAuthorityYear="1901" box="[732,894,1334,1360]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="20" pageNumber="82" phylum="Gastrotricha" rank="species" species="nodicaudus">
<emphasis id="B952EAB9671CFFE137CC4269FC87FA9E" box="[732,894,1334,1360]" italics="true" pageId="20" pageNumber="82">P. nodicaudus</emphasis>
</taxonomicName>
was recovered as sister clade to
<taxonomicName id="4C264D28671CFFE131E34269FA8CFA9E" box="[1267,1397,1334,1360]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="20" pageNumber="82" phylum="Gastrotricha" rank="species" species="insularis" status="sp. nov.">
<emphasis id="B952EAB9671CFFE131E34269FA8CFA9E" box="[1267,1397,1334,1360]" italics="true" pageId="20" pageNumber="82">P. insularis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A26157C2671CFFE135AB4204FEE0FABA" box="[187,281,1370,1396]" pageId="20" pageNumber="82" rank="species">sp. nov.</taxonomicNameLabel>
, reflecting the morphological similarities between the two species, such as spined scales with no peduncles, in contrast with the pedunculated scales of
<taxonomicName id="4C264D28671CFFE1362B4223FC1BFA59" baseAuthorityName="Stokes" baseAuthorityYear="1887" box="[827,994,1405,1431]" family="Chaetonotidae" genus="Polymerurus" kingdom="Animalia" order="Chaetonotida" pageId="20" pageNumber="82" phylum="Gastrotricha" rank="species" species="rhomboides">
<emphasis id="B952EAB9671CFFE1362B4223FC1BFA59" box="[827,994,1405,1431]" italics="true" pageId="20" pageNumber="82">P. rhomboides</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
</document>