556 lines
159 KiB
XML
556 lines
159 KiB
XML
<document id="BB047DD773AF08A33675347AA732CE18" ID-CLB-Dataset="301517" ID-DOI="10.1371/journal.pone.0250403" ID-GBIF-Dataset="b83f9ed2-1a72-4f1e-b9b0-10d6940f37fa" ID-ISSN="1932-6203" ID-PMC="PMC8099068" ID-PubMed="33951070" ID-Zenodo-Dep="13151726" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="valdenar" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="valdenar" checkinTime="1719975072736" checkinUser="felipe" docAuthor="Neves, Ricardo Cardoso, Kristensen, Reinhardt Møbjerg & Møbjerg, Nadja" docDate="2021" docId="0396B203690F5155FD9FFB80C582FD03" docLanguage="en" docName="PLoSONE.16.5.e0250403.pdf" docOrigin="PLoS ONE (e 0250403) 16 (5)" docStyle="DocumentStyle:55318D21378FF0528C342C9740A1E1BE.2:PLoSONE.2014-.journal_article" docStyleId="55318D21378FF0528C342C9740A1E1BE" docStyleName="PLoSONE.2014-.journal_article" docStyleVersion="2" docTitle="Scutiloricus hugoi Neves, Kristensen & Møbjerg, 2021, gen. et sp. nov." docType="treatment" docVersion="2" lastPageNumber="33" masterDocId="FFAFCA7B69175175FFAAFF8FC75BFF8B" masterDocTitle="New records on the rich loriciferan fauna of Trezen ar Skoden (Roscoff, France): Description of two new species of Nanaloricus and the new genus Scutiloricus" masterLastPageNumber="42" masterPageNumber="1" pageNumber="25" updateTime="1723729699044" updateUser="ExternalLinkService">
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<mods:title id="0F8FFF52197EBF83F9BEEBB6F9D4EE22">New records on the rich loriciferan fauna of Trezen ar Skoden (Roscoff, France): Description of two new species of Nanaloricus and the new genus Scutiloricus</mods:title>
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<mods:namePart id="2FBD185F6A46F855AADBB33365793B9E">Neves, Ricardo Cardoso</mods:namePart>
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<mods:roleTerm id="09B9EA859EBF9D07E732D70DC00BB7A5">Author</mods:roleTerm>
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<mods:namePart id="588D027178D84D75A4775111193B3C86">Kristensen, Reinhardt Møbjerg</mods:namePart>
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<mods:affiliation id="CD309119886B47739C449380AF0F64B6">Natural History Museum of Denmark, University of Copenhagen, Copenhagen Ø, Denmark</mods:affiliation>
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<mods:namePart id="59FFF4AAD57922CC133DA27C4DB9028F">Møbjerg, Nadja</mods:namePart>
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<mods:affiliation id="7817BC005809AC14A7400489094E8D43">Department of Biology, August Krogh Building, University of Copenhagen, Copenhagen Ø, Denmark,</mods:affiliation>
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<mods:date id="F52649BB23562D57B8960B8121856A2E">2021</mods:date>
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<mods:number id="88033E26F9CC569A7E7DEBC8BF80F511">2021-05-05</mods:number>
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<treatment id="0396B203690F5155FD9FFB80C582FD03" ID-DOI="http://doi.org/10.5281/zenodo.12630837" ID-Zenodo-Dep="12630837" LSID="urn:lsid:plazi:treatment:0396B203690F5155FD9FFB80C582FD03" httpUri="http://treatment.plazi.org/id/0396B203690F5155FD9FFB80C582FD03" lastPageId="32" lastPageNumber="33" pageId="24" pageNumber="25">
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<subSubSection id="C325509E690F516DFD9FFB80C4C1FBA3" box="[565,922,1039,1064]" pageId="24" pageNumber="25" type="nomenclature">
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<paragraph id="8B800315690F516DFD9FFB80C4C1FBA3" blockId="24.[533,1536,207,1896]" box="[565,922,1039,1064]" pageId="24" pageNumber="25">
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<taxonomicName id="4C3F7896690F516DFD9FFB80C5ACFBAC" ID-CoL="9X5YF" authorityName="Neves & Kristensen & Møbjerg" authorityYear="2021" box="[565,759,1039,1063]" family="Nanaloricidae" genus="Scutiloricus" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Nanaloricida" pageId="24" pageNumber="25" phylum="Loricifera" rank="species" species="hugoi" status="gen. et sp. nov.">
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<emphasis id="B94BDF07690F516DFD9FFB80C5ACFBAC" bold="true" box="[565,759,1039,1063]" italics="true" pageId="24" pageNumber="25">Scutiloricus hugoi</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A278627C690F516DFD57FB9FC4C1FBA3" box="[765,922,1040,1064]" pageId="24" pageNumber="25" rank="species">gen. et sp. nov.</taxonomicNameLabel>
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</paragraph>
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<subSubSection id="C325509E690F516DFD9FFBBDC242FBE6" pageId="24" pageNumber="25" type="description">
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<paragraph id="8B800315690F516DFD9FFBBDC5E4FBC1" blockId="24.[533,1536,207,1896]" box="[565,703,1074,1098]" pageId="24" pageNumber="25">
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(
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<figureCitation id="13041F90690F516DFD96FBBDC5EBFBC1" box="[572,688,1074,1098]" captionStart-0="Fig 15" captionStart-1="Fig 16" captionStart-2="Fig 17" captionStart-3="Fig 18" captionStart-4="Fig 19" captionStartId-0="25.[533,561,1706,1725]" captionStartId-1="26.[475,503,1670,1689]" captionStartId-2="27.[481,509,1734,1753]" captionStartId-3="28.[416,444,1727,1746]" captionStartId-4="30.[474,502,1718,1737]" captionTargetBox-0="[536,1526,190,1688]" captionTargetBox-1="[478,1529,222,1645]" captionTargetBox-2="[484,1533,211,1709]" captionTargetBox-3="[419,1533,211,1709]" captionTargetBox-4="[477,1533,195,1693]" captionTargetId-0="figure-3@25.[533,1532,187,1691]" captionTargetId-1="figure-3@26.[475,1536,208,1648]" captionTargetId-2="figure-3@27.[481,1536,208,1712]" captionTargetId-3="figure-1@28.[416,1536,208,1712]" captionTargetId-4="figure-3@30.[474,1536,192,1696]" captionTargetPageId-0="25" captionTargetPageId-1="26" captionTargetPageId-2="27" captionTargetPageId-3="28" captionTargetPageId-4="30" captionText-0="Fig 15. Light micrographs of the holotypic adult female of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects.(A) Overview of the extended specimen, with focus on the internal buccal tube (bu). Double-headed arrow points to large pores (gland outlets?) situated on the posterior region of the ventral plate. (B) Ventral view of the specimen. (C) Close-up of the introvert, neck and anterior region of the lorica, ventral view. Note the fenestrated aspect of the anterior spikes (sp). (D) Close-up of the anal field. (E) Dorsal view of the extended specimen. Abbreviations: ac, anal cone; af, anal field; bp, basal plate; cs, clavoscalid; dlp, dorsolateral plate; dp, dorsal plate; in, introvert; lo, lorica; mt, mouth tube; oo, oocyte; sp, anterior spike; sr, spinoscalids of 8th or 9th row; ss spinoscalid; su, 8/9 anal field spurs tr, trichoscalid; vlp, ventrolateral plate; vp, ventral plate. https://doi.org/10.1371/journal.pone.0250403.g015" captionText-1="Fig 16. Line art drawing of the adult female habitus of Scutiloricus hugoi gen. et sp. nov. Ventral view, anterior faces up. Note that only a selected number of scalids from rows 2 to 8 are represented for clarity. Abbreviations: ac, anal cone; af, anal field; ag?, putative adhesive gland; bp, basal plate; bu, buccal tube; cr, cuticularized triangular ridge; cs, clavoscalid; dlp, dorsolateral plate; fu, oral furca; gl?, putative gland outlet; in, introvert; lo, lorica; mc, mouth cone; mo, mouth aperture; mt, mouth tube; ne, neck; or, oral ridges of type 1 and 2; ov, ovary; ser, seminal receptacle; sr, spinoscalids of 2nd to 9th row; 1/2 2–9 sp (and arrowheads), anterior spike; su, anal field spurs; tp, trichoscalid plate; tr1, single trichoscalid; tr2, double trichoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g016" captionText-2="Fig 17. Light micrographs of a paratypic adult female of Scutiloricus hugoi gen. et sp. nov. (A) Overview of the fully extended specimen, anterior faces up. Note the presence of a large oocyte (oo) and two seminal receptacles (ser). (B) Close up of the oocyte and the two seminal receptacles (arrowheads). (C) Close up of the posterior region of the lorica. Note the linear arrangement of the four flosculi (black double arrowheads) on each dorsolateral plate (dlp) and the two flosculi (white double arrowheads) located medially on the dorsal plate (dp). Abbreviations: cs, clavoscalids; in, introvert; lo, lorica; mc, mouth cone; mt, mouth tube; sp, anterior spike; ss, spinoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g017" captionText-3="Fig 18. Light micrographs of the allotypic adult male of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects. (A) Overview of the extended specimen, dorsal view. (B) Anterior region of the body, ventral view. (C) Close-up of the anterior spikes of the dorsal and dorsolateral plates. Note the fenestrated aspect of the anterior spikes (arrowheads). (D) Introvert, neck and anterior region of the abdomen; ventral view. (E) Posterior region of the lorica, dorsal view. Note the putative gonopores (go?) located in the posteriormost region of the dorsolateral plates. (F) Posterior region of the lorica, ventral view. Double-headed arrow points to large pore (gland outlet?) situated in the posterior region of the ventral plate. Double arrowheads indicate an anal field spur." captionText-4="Fig 19. Schematic diagrams of the distribution of introvert and neck appendages in adult forms of Scutiloricus hugoi gen. et sp. nov. Note that for the sake of clarity sexual dimorphism of the clavoscalids is not depicted. The shaded area indicates the neck region. (A) Polar diagram. (B) Planar projection. Abbreviations: bp, basal plate; cs, clavoscalid; MD, middorsal line; MV, midventral line; mv bp, midventral pair of basal plates; sr, scalids of 1st to 9th row; ss, spinoscalids; tp, trichoscalid 1–9 plate; tr1, single trichoscalid; tr2, double trichoscalid. https://doi.org/10.1371/journal.pone.0250403.g019" figureDoi-0="http://doi.org/10.5281/zenodo.13151771" figureDoi-1="http://doi.org/10.5281/zenodo.13151773" figureDoi-2="http://doi.org/10.5281/zenodo.13151775" figureDoi-3="http://doi.org/10.5281/zenodo.13151779" figureDoi-4="http://doi.org/10.5281/zenodo.13151781" httpUri-0="https://zenodo.org/record/13151771/files/figure.png" httpUri-1="https://zenodo.org/record/13151773/files/figure.png" httpUri-2="https://zenodo.org/record/13151775/files/figure.png" httpUri-3="https://zenodo.org/record/13151779/files/figure.png" httpUri-4="https://zenodo.org/record/13151781/files/figure.png" pageId="24" pageNumber="25">Figs 15–19</figureCitation>
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).
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</paragraph>
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<paragraph id="8B800315690F516DFD9FFBDAC242FBE6" blockId="24.[533,1536,207,1896]" box="[565,1305,1109,1133]" pageId="24" pageNumber="25">
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<uri id="FFAE0F17690F516DFD9FFBDAC242FBE6" box="[565,1305,1109,1133]" pageId="24" pageNumber="25">
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urn:lsid:zoobank.org:act:
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</subSubSection>
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<subSubSection id="C325509E690F516DFD9FFBF7C438F9D9" pageId="24" pageNumber="25" type="materials_examined">
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<paragraph id="8B800315690F516DFD9FFBF7C232FB5E" blockId="24.[533,1536,207,1896]" pageId="24" pageNumber="25">
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<emphasis id="B94BDF07690F516DFD9FFBF7C456FB1B" bold="true" box="[565,781,1144,1168]" pageId="24" pageNumber="25">Material examined.</emphasis>
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<materialsCitation id="3B570948690F516DFC88FBF8C232FB5E" collectingDate="2013-05-15" country="Denmark" elevation="50" location="Natural History Museum" pageId="24" pageNumber="25" specimenCount="1" typeStatus="holotype">
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<emphasis id="B94BDF07690F516DFC88FBF8C4D4FB04" box="[802,911,1143,1167]" italics="true" pageId="24" pageNumber="25">
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<typeStatus id="5484BDB7690F516DFC88FBF8C4DBFB04" box="[802,896,1143,1167]" pageId="24" pageNumber="25" type="holotype">Holotype</typeStatus>
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(
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</emphasis>
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<figureCitation id="13041F90690F516DFC25FBF7C494FB1B" box="[911,975,1144,1168]" captionStart="Fig 15" captionStartId="25.[533,561,1706,1725]" captionTargetBox="[536,1526,190,1688]" captionTargetId="figure-3@25.[533,1532,187,1691]" captionTargetPageId="25" captionText="Fig 15. Light micrographs of the holotypic adult female of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects.(A) Overview of the extended specimen, with focus on the internal buccal tube (bu). Double-headed arrow points to large pores (gland outlets?) situated on the posterior region of the ventral plate. (B) Ventral view of the specimen. (C) Close-up of the introvert, neck and anterior region of the lorica, ventral view. Note the fenestrated aspect of the anterior spikes (sp). (D) Close-up of the anal field. (E) Dorsal view of the extended specimen. Abbreviations: ac, anal cone; af, anal field; bp, basal plate; cs, clavoscalid; dlp, dorsolateral plate; dp, dorsal plate; in, introvert; lo, lorica; mt, mouth tube; oo, oocyte; sp, anterior spike; sr, spinoscalids of 8th or 9th row; ss spinoscalid; su, 8/9 anal field spurs tr, trichoscalid; vlp, ventrolateral plate; vp, ventral plate. https://doi.org/10.1371/journal.pone.0250403.g015" figureDoi="http://doi.org/10.5281/zenodo.13151771" httpUri="https://zenodo.org/record/13151771/files/figure.png" pageId="24" pageNumber="25">Fig 15</figureCitation>
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<emphasis id="B94BDF07690F516DFC7AFBF7C482FB04" box="[976,985,1144,1167]" italics="true" pageId="24" pageNumber="25">)</emphasis>
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. Adult female collected on
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<date id="FF8125D5690F516DFB53FBF7C2DBFB1B" box="[1273,1408,1144,1168]" pageId="24" pageNumber="25" value="2013-05-15">
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<collectingDate id="EFC5DC3D690F516DFB53FBF7C2DBFB1B" box="[1273,1408,1144,1168]" pageId="24" pageNumber="25" value="2013-05-15">15 May 2013</collectingDate>
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</date>
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at the type locality at ca.
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<quantity id="4CC7AEF0690F516DFD0EFB15C582FB39" box="[676,729,1178,1202]" metricMagnitude="1" metricUnit="m" metricValue="5.0" pageId="24" pageNumber="25" unit="m" value="50.0">
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<elevation id="0012E426690F516DFD0EFB15C582FB39" box="[676,729,1178,1202]" metricMagnitude="1" metricUnit="m" metricValue="5.0" pageId="24" pageNumber="25" unit="m" value="50.0">50 m</elevation>
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</quantity>
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water depth, mounted in Fluoromount-G on a glass slide, deposited at the
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<location id="8EE055CE690F516DFDBFFB32C479FB5E" LSID="urn:lsid:plazi:treatment:0396B203690F5155FD9FFB80C582FD03:8EE055CE690F516DFDBFFB32C479FB5E" box="[533,802,1213,1237]" country="Denmark" name="Natural History Museum" pageId="24" pageNumber="25">Natural History Museum</location>
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of
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<collectingCountry id="F3284385690F516DFCE9FB32C4F2FB5E" box="[835,937,1213,1237]" name="Denmark" pageId="24" pageNumber="25">Denmark</collectingCountry>
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under accession number NHMD-677520.
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</materialsCitation>
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</paragraph>
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<paragraph id="8B800315690F516DFD9FFB50C3E7FAB6" blockId="24.[533,1536,207,1896]" pageId="24" pageNumber="25">
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<emphasis id="B94BDF07690F516DFD9FFB50C5C9FB7C" box="[565,658,1247,1271]" italics="true" pageId="24" pageNumber="25">Allotypic</emphasis>
|
||
<materialsCitation id="3B570948690F516DFD32FB6FC3E3FAB6" collectingDate="2013-02-07" country="Denmark" elevation="45" location="Natural History Museum" pageId="24" pageNumber="25" specimenCount="1" typeStatus="paratype">
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<emphasis id="B94BDF07690F516DFD32FB6FC458FB7C" box="[664,771,1248,1271]" italics="true" pageId="24" pageNumber="25">
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<typeStatus id="5484BDB7690F516DFD32FB6FC5AFFB7C" box="[664,756,1248,1271]" pageId="24" pageNumber="25" type="paratype">paratype</typeStatus>
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(
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</emphasis>
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<figureCitation id="13041F90690F516DFCA9FB6FC418FB73" box="[771,835,1248,1272]" captionStart="Fig 18" captionStartId="28.[416,444,1727,1746]" captionTargetBox="[419,1533,211,1709]" captionTargetId="figure-1@28.[416,1536,208,1712]" captionTargetPageId="28" captionText="Fig 18. Light micrographs of the allotypic adult male of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects. (A) Overview of the extended specimen, dorsal view. (B) Anterior region of the body, ventral view. (C) Close-up of the anterior spikes of the dorsal and dorsolateral plates. Note the fenestrated aspect of the anterior spikes (arrowheads). (D) Introvert, neck and anterior region of the abdomen; ventral view. (E) Posterior region of the lorica, dorsal view. Note the putative gonopores (go?) located in the posteriormost region of the dorsolateral plates. (F) Posterior region of the lorica, ventral view. Double-headed arrow points to large pore (gland outlet?) situated in the posterior region of the ventral plate. Double arrowheads indicate an anal field spur." figureDoi="http://doi.org/10.5281/zenodo.13151779" httpUri="https://zenodo.org/record/13151779/files/figure.png" pageId="24" pageNumber="25">Fig 18</figureCitation>
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<emphasis id="B94BDF07690F516DFCE9FB6FC417FB7C" box="[835,844,1248,1271]" italics="true" pageId="24" pageNumber="25">)</emphasis>
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. Adult male collected on
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<date id="FF8125D5690F516DFBF0FB6FC25DFB73" box="[1114,1286,1248,1272]" pageId="24" pageNumber="25" value="2013-02-07">
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||
<collectingDate id="EFC5DC3D690F516DFBF0FB6FC25DFB73" box="[1114,1286,1248,1272]" pageId="24" pageNumber="25" value="2013-02-07">7 February 2013</collectingDate>
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</date>
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||
at the type locality at ca.
|
||
<quantity id="4CC7AEF0690F516DFD92FA8DC536FA91" box="[568,621,1282,1306]" metricMagnitude="1" metricUnit="m" metricValue="4.5" pageId="24" pageNumber="25" unit="m" value="45.0">
|
||
<elevation id="0012E426690F516DFD92FA8DC536FA91" box="[568,621,1282,1306]" metricMagnitude="1" metricUnit="m" metricValue="4.5" pageId="24" pageNumber="25" unit="m" value="45.0">45 m</elevation>
|
||
</quantity>
|
||
water depth, mounted in glycerol on a glass slide, deposited at the
|
||
<location id="8EE055CE690F516DFA84FA8DC52FFAB6" LSID="urn:lsid:plazi:treatment:0396B203690F5155FD9FFB80C582FD03:8EE055CE690F516DFA84FA8DC52FFAB6" country="Denmark" name="Natural History Museum" pageId="24" pageNumber="25">Natural History Museum</location>
|
||
of
|
||
<collectingCountry id="F3284385690F516DFD3FFAAAC5A0FAB6" box="[661,763,1317,1341]" name="Denmark" pageId="24" pageNumber="25">Denmark</collectingCountry>
|
||
under accession number NHMD-677519
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8B800315690F516DFD9FFAC7C538FA43" blockId="24.[533,1536,207,1896]" pageId="24" pageNumber="25">
|
||
<materialsCitation id="3B570948690F516DFD9FFAC7C59AFA2E" country="Denmark" location="Natural History Museum" pageId="24" pageNumber="25" specimenCount="2" specimenCount-female="2" typeStatus="paratype">
|
||
<emphasis id="B94BDF07690F516DFD9FFAC7C5C0FAD4" box="[565,667,1352,1375]" italics="true" pageId="24" pageNumber="25">
|
||
<typeStatus id="5484BDB7690F516DFD9FFAC7C5C0FAD4" box="[565,667,1352,1375]" pageId="24" pageNumber="25" type="paratype">Paratypes</typeStatus>
|
||
</emphasis>
|
||
. Include
|
||
<specimenCount id="9D39C89C690F516DFD54FAC7C427FAEB" box="[766,892,1352,1376]" count="2" pageId="24" pageNumber="25" type="female">two females</specimenCount>
|
||
mounted in glycerol on glass slides and deposited at the
|
||
<location id="8EE055CE690F516DFDBFFAE5C479FA09" LSID="urn:lsid:plazi:treatment:0396B203690F5155FD9FFB80C582FD03:8EE055CE690F516DFDBFFAE5C479FA09" box="[533,802,1386,1410]" country="Denmark" name="Natural History Museum" pageId="24" pageNumber="25">Natural History Museum</location>
|
||
of
|
||
<collectingCountry id="F3284385690F516DFCE9FAE5C4F2FA09" box="[835,937,1386,1410]" name="Denmark" pageId="24" pageNumber="25">Denmark</collectingCountry>
|
||
under the access numbers NHMD-677517 (
|
||
<figureCitation id="13041F90690F516DFAD5FAE5C2E4FA09" box="[1407,1471,1386,1410]" captionStart="Fig 17" captionStartId="27.[481,509,1734,1753]" captionTargetBox="[484,1533,211,1709]" captionTargetId="figure-3@27.[481,1536,208,1712]" captionTargetPageId="27" captionText="Fig 17. Light micrographs of a paratypic adult female of Scutiloricus hugoi gen. et sp. nov. (A) Overview of the fully extended specimen, anterior faces up. Note the presence of a large oocyte (oo) and two seminal receptacles (ser). (B) Close up of the oocyte and the two seminal receptacles (arrowheads). (C) Close up of the posterior region of the lorica. Note the linear arrangement of the four flosculi (black double arrowheads) on each dorsolateral plate (dlp) and the two flosculi (white double arrowheads) located medially on the dorsal plate (dp). Abbreviations: cs, clavoscalids; in, introvert; lo, lorica; mc, mouth cone; mt, mouth tube; sp, anterior spike; ss, spinoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g017" figureDoi="http://doi.org/10.5281/zenodo.13151775" httpUri="https://zenodo.org/record/13151775/files/figure.png" pageId="24" pageNumber="25">Fig 17</figureCitation>
|
||
) and NHMD-677518
|
||
</materialsCitation>
|
||
.
|
||
<typeStatus id="5484BDB7690F516DFD60FA02C46AFA2E" box="[714,817,1421,1445]" pageId="24" pageNumber="25" type="paratype">Paratypes</typeStatus>
|
||
were collected at the type locality on
|
||
<date id="FF8125D5690F516DFB11FA02C266FA2E" box="[1211,1341,1421,1445]" pageId="24" pageNumber="25" value="1985-07-12">12 July 1985</date>
|
||
at
|
||
<quantity id="4CC7AEF0690F516DFAF6FA02C2E3FA2E" box="[1372,1464,1421,1445]" metricMagnitude="1" metricUnit="m" metricValue="5.25" metricValueMax="5.5" metricValueMin="5.0" pageId="24" pageNumber="25" unit="m" value="52.5" valueMax="55.0" valueMin="50.0">50–55 m</quantity>
|
||
water depths.
|
||
</paragraph>
|
||
<paragraph id="8B800315690F516DFD9FFA5DC2B4FA61" blockId="24.[533,1536,207,1896]" box="[565,1519,1490,1514]" pageId="24" pageNumber="25">
|
||
<emphasis id="B94BDF07690F516DFD9FFA5DC46DFA61" box="[565,822,1490,1514]" italics="true" pageId="24" pageNumber="25">Habitat and distribution</emphasis>
|
||
. Marine sediments composed of clean shell gravel at
|
||
<typeStatus id="5484BDB7690F516DFAC2FA5DC2CEFA61" box="[1384,1429,1490,1514]" pageId="24" pageNumber="25">type</typeStatus>
|
||
locality.
|
||
</paragraph>
|
||
<paragraph id="8B800315690F516DFD9FFA79C209F986" blockId="24.[533,1536,207,1896]" box="[565,1362,1525,1549]" pageId="24" pageNumber="25">
|
||
<emphasis id="B94BDF07690F516DFD9FFA79C5E2F986" box="[565,697,1525,1549]" italics="true" pageId="24" pageNumber="25">Type locality</emphasis>
|
||
. Trezen ar Skoden, Roscoff,
|
||
<collectingCountry id="F3284385690F516DFC42FA7AC368F986" box="[1000,1075,1525,1549]" name="France" pageId="24" pageNumber="25">France</collectingCountry>
|
||
, (48˚45’55”N, 04˚06’45”E).
|
||
</paragraph>
|
||
<paragraph id="8B800315690F516DFD9FF998C438F9D9" blockId="24.[533,1536,207,1896]" pageId="24" pageNumber="25">
|
||
<emphasis id="B94BDF07690F516DFD9FF998C5F8F9A4" box="[565,675,1559,1583]" italics="true" pageId="24" pageNumber="25">Etymology</emphasis>
|
||
. The species name is in honour of Hugo Joseph Cornu Neves, the son of first author Ricardo Cardoso Neves.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C325509E690F516DFD9FF9D2C405F9FE" box="[565,862,1629,1653]" pageId="24" pageNumber="25" type="diagnosis">
|
||
<paragraph id="8B800315690F516DFD9FF9D2C405F9FE" blockId="24.[533,1536,207,1896]" box="[565,862,1629,1653]" pageId="24" pageNumber="25">
|
||
<emphasis id="B94BDF07690F516DFD9FF9D2C5F1F9FE" bold="true" box="[565,682,1629,1653]" pageId="24" pageNumber="25">Diagnosis.</emphasis>
|
||
Same as genus.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C325509E690F5155FD9FF90FC582FD03" lastPageId="32" lastPageNumber="33" pageId="24" pageNumber="25" type="description">
|
||
<paragraph id="8B800315690F516DFD9FF90FC45FF956" blockId="24.[533,1536,207,1896]" pageId="24" pageNumber="25">
|
||
<emphasis id="B94BDF07690F516DFD9FF90FC59BF913" bold="true" box="[565,704,1664,1688]" pageId="24" pageNumber="25">Description.</emphasis>
|
||
<emphasis id="B94BDF07690F516DFD7FF9F0C442F91C" box="[725,793,1663,1687]" italics="true" pageId="24" pageNumber="25">Body (</emphasis>
|
||
<figureCitation id="13041F90690F516DFCB3F90FC4D1F913" box="[793,906,1664,1688]" captionStart-0="Fig 15" captionStart-1="Fig 16" captionStart-2="Fig 17" captionStart-3="Fig 18" captionStartId-0="25.[533,561,1706,1725]" captionStartId-1="26.[475,503,1670,1689]" captionStartId-2="27.[481,509,1734,1753]" captionStartId-3="28.[416,444,1727,1746]" captionTargetBox-0="[536,1526,190,1688]" captionTargetBox-1="[478,1529,222,1645]" captionTargetBox-2="[484,1533,211,1709]" captionTargetBox-3="[419,1533,211,1709]" captionTargetId-0="figure-3@25.[533,1532,187,1691]" captionTargetId-1="figure-3@26.[475,1536,208,1648]" captionTargetId-2="figure-3@27.[481,1536,208,1712]" captionTargetId-3="figure-1@28.[416,1536,208,1712]" captionTargetPageId-0="25" captionTargetPageId-1="26" captionTargetPageId-2="27" captionTargetPageId-3="28" captionText-0="Fig 15. Light micrographs of the holotypic adult female of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects.(A) Overview of the extended specimen, with focus on the internal buccal tube (bu). Double-headed arrow points to large pores (gland outlets?) situated on the posterior region of the ventral plate. (B) Ventral view of the specimen. (C) Close-up of the introvert, neck and anterior region of the lorica, ventral view. Note the fenestrated aspect of the anterior spikes (sp). (D) Close-up of the anal field. (E) Dorsal view of the extended specimen. Abbreviations: ac, anal cone; af, anal field; bp, basal plate; cs, clavoscalid; dlp, dorsolateral plate; dp, dorsal plate; in, introvert; lo, lorica; mt, mouth tube; oo, oocyte; sp, anterior spike; sr, spinoscalids of 8th or 9th row; ss spinoscalid; su, 8/9 anal field spurs tr, trichoscalid; vlp, ventrolateral plate; vp, ventral plate. https://doi.org/10.1371/journal.pone.0250403.g015" captionText-1="Fig 16. Line art drawing of the adult female habitus of Scutiloricus hugoi gen. et sp. nov. Ventral view, anterior faces up. Note that only a selected number of scalids from rows 2 to 8 are represented for clarity. Abbreviations: ac, anal cone; af, anal field; ag?, putative adhesive gland; bp, basal plate; bu, buccal tube; cr, cuticularized triangular ridge; cs, clavoscalid; dlp, dorsolateral plate; fu, oral furca; gl?, putative gland outlet; in, introvert; lo, lorica; mc, mouth cone; mo, mouth aperture; mt, mouth tube; ne, neck; or, oral ridges of type 1 and 2; ov, ovary; ser, seminal receptacle; sr, spinoscalids of 2nd to 9th row; 1/2 2–9 sp (and arrowheads), anterior spike; su, anal field spurs; tp, trichoscalid plate; tr1, single trichoscalid; tr2, double trichoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g016" captionText-2="Fig 17. Light micrographs of a paratypic adult female of Scutiloricus hugoi gen. et sp. nov. (A) Overview of the fully extended specimen, anterior faces up. Note the presence of a large oocyte (oo) and two seminal receptacles (ser). (B) Close up of the oocyte and the two seminal receptacles (arrowheads). (C) Close up of the posterior region of the lorica. Note the linear arrangement of the four flosculi (black double arrowheads) on each dorsolateral plate (dlp) and the two flosculi (white double arrowheads) located medially on the dorsal plate (dp). Abbreviations: cs, clavoscalids; in, introvert; lo, lorica; mc, mouth cone; mt, mouth tube; sp, anterior spike; ss, spinoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g017" captionText-3="Fig 18. Light micrographs of the allotypic adult male of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects. (A) Overview of the extended specimen, dorsal view. (B) Anterior region of the body, ventral view. (C) Close-up of the anterior spikes of the dorsal and dorsolateral plates. Note the fenestrated aspect of the anterior spikes (arrowheads). (D) Introvert, neck and anterior region of the abdomen; ventral view. (E) Posterior region of the lorica, dorsal view. Note the putative gonopores (go?) located in the posteriormost region of the dorsolateral plates. (F) Posterior region of the lorica, ventral view. Double-headed arrow points to large pore (gland outlet?) situated in the posterior region of the ventral plate. Double arrowheads indicate an anal field spur." figureDoi-0="http://doi.org/10.5281/zenodo.13151771" figureDoi-1="http://doi.org/10.5281/zenodo.13151773" figureDoi-2="http://doi.org/10.5281/zenodo.13151775" figureDoi-3="http://doi.org/10.5281/zenodo.13151779" httpUri-0="https://zenodo.org/record/13151771/files/figure.png" httpUri-1="https://zenodo.org/record/13151773/files/figure.png" httpUri-2="https://zenodo.org/record/13151775/files/figure.png" httpUri-3="https://zenodo.org/record/13151779/files/figure.png" pageId="24" pageNumber="25">Figs 15–18</figureCitation>
|
||
<emphasis id="B94BDF07690F516DFC20F90FC4C8F91C" box="[906,915,1664,1687]" italics="true" pageId="24" pageNumber="25">)</emphasis>
|
||
. Divided into head (mouth cone and introvert), neck, thorax, and abdomen. The holotypic adult female (
|
||
<figureCitation id="13041F90690F516DFBA6F92DC316F931" box="[1036,1101,1698,1722]" captionStart="Fig 15" captionStartId="25.[533,561,1706,1725]" captionTargetBox="[536,1526,190,1688]" captionTargetId="figure-3@25.[533,1532,187,1691]" captionTargetPageId="25" captionText="Fig 15. Light micrographs of the holotypic adult female of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects.(A) Overview of the extended specimen, with focus on the internal buccal tube (bu). Double-headed arrow points to large pores (gland outlets?) situated on the posterior region of the ventral plate. (B) Ventral view of the specimen. (C) Close-up of the introvert, neck and anterior region of the lorica, ventral view. Note the fenestrated aspect of the anterior spikes (sp). (D) Close-up of the anal field. (E) Dorsal view of the extended specimen. Abbreviations: ac, anal cone; af, anal field; bp, basal plate; cs, clavoscalid; dlp, dorsolateral plate; dp, dorsal plate; in, introvert; lo, lorica; mt, mouth tube; oo, oocyte; sp, anterior spike; sr, spinoscalids of 8th or 9th row; ss spinoscalid; su, 8/9 anal field spurs tr, trichoscalid; vlp, ventrolateral plate; vp, ventral plate. https://doi.org/10.1371/journal.pone.0250403.g015" figureDoi="http://doi.org/10.5281/zenodo.13151771" httpUri="https://zenodo.org/record/13151771/files/figure.png" pageId="24" pageNumber="25">Fig 15</figureCitation>
|
||
) is 240 μm long, including the mouth cone, and 83 μm wide.
|
||
</paragraph>
|
||
<paragraph id="8B800315690F516DFD9FF968C2A7F8E3" blockId="24.[533,1536,207,1896]" pageId="24" pageNumber="25">
|
||
<emphasis id="B94BDF07690F516DFD9FF968C584F974" box="[565,735,1767,1791]" italics="true" pageId="24" pageNumber="25">Mouth cone (mc</emphasis>
|
||
;
|
||
<figureCitation id="13041F90690F516DFD41F967C406F88B" box="[747,861,1768,1792]" captionStart-0="Fig 16" captionStart-1="Fig 17" captionStart-2="Fig 18" captionStartId-0="26.[475,503,1670,1689]" captionStartId-1="27.[481,509,1734,1753]" captionStartId-2="28.[416,444,1727,1746]" captionTargetBox-0="[478,1529,222,1645]" captionTargetBox-1="[484,1533,211,1709]" captionTargetBox-2="[419,1533,211,1709]" captionTargetId-0="figure-3@26.[475,1536,208,1648]" captionTargetId-1="figure-3@27.[481,1536,208,1712]" captionTargetId-2="figure-1@28.[416,1536,208,1712]" captionTargetPageId-0="26" captionTargetPageId-1="27" captionTargetPageId-2="28" captionText-0="Fig 16. Line art drawing of the adult female habitus of Scutiloricus hugoi gen. et sp. nov. Ventral view, anterior faces up. Note that only a selected number of scalids from rows 2 to 8 are represented for clarity. Abbreviations: ac, anal cone; af, anal field; ag?, putative adhesive gland; bp, basal plate; bu, buccal tube; cr, cuticularized triangular ridge; cs, clavoscalid; dlp, dorsolateral plate; fu, oral furca; gl?, putative gland outlet; in, introvert; lo, lorica; mc, mouth cone; mo, mouth aperture; mt, mouth tube; ne, neck; or, oral ridges of type 1 and 2; ov, ovary; ser, seminal receptacle; sr, spinoscalids of 2nd to 9th row; 1/2 2–9 sp (and arrowheads), anterior spike; su, anal field spurs; tp, trichoscalid plate; tr1, single trichoscalid; tr2, double trichoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g016" captionText-1="Fig 17. Light micrographs of a paratypic adult female of Scutiloricus hugoi gen. et sp. nov. (A) Overview of the fully extended specimen, anterior faces up. Note the presence of a large oocyte (oo) and two seminal receptacles (ser). (B) Close up of the oocyte and the two seminal receptacles (arrowheads). (C) Close up of the posterior region of the lorica. Note the linear arrangement of the four flosculi (black double arrowheads) on each dorsolateral plate (dlp) and the two flosculi (white double arrowheads) located medially on the dorsal plate (dp). Abbreviations: cs, clavoscalids; in, introvert; lo, lorica; mc, mouth cone; mt, mouth tube; sp, anterior spike; ss, spinoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g017" captionText-2="Fig 18. Light micrographs of the allotypic adult male of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects. (A) Overview of the extended specimen, dorsal view. (B) Anterior region of the body, ventral view. (C) Close-up of the anterior spikes of the dorsal and dorsolateral plates. Note the fenestrated aspect of the anterior spikes (arrowheads). (D) Introvert, neck and anterior region of the abdomen; ventral view. (E) Posterior region of the lorica, dorsal view. Note the putative gonopores (go?) located in the posteriormost region of the dorsolateral plates. (F) Posterior region of the lorica, ventral view. Double-headed arrow points to large pore (gland outlet?) situated in the posterior region of the ventral plate. Double arrowheads indicate an anal field spur." figureDoi-0="http://doi.org/10.5281/zenodo.13151773" figureDoi-1="http://doi.org/10.5281/zenodo.13151775" figureDoi-2="http://doi.org/10.5281/zenodo.13151779" httpUri-0="https://zenodo.org/record/13151773/files/figure.png" httpUri-1="https://zenodo.org/record/13151775/files/figure.png" httpUri-2="https://zenodo.org/record/13151779/files/figure.png" pageId="24" pageNumber="25">Figs 16–18</figureCitation>
|
||
<emphasis id="B94BDF07690F516DFCF7F967C43DF974" box="[861,870,1768,1791]" italics="true" pageId="24" pageNumber="25">)</emphasis>
|
||
. Long (62 μm in length in the holotypic adult female), narrow and divided into three distinct sections. The first, most proximal section is short, broad and surrounded by eight large, sclerotized oral furcae (fu) of identical structure (
|
||
<figureCitation id="13041F90690F516DFA90F8A2C220F8CE" box="[1338,1403,1837,1861]" captionStart="Fig 16" captionStartId="26.[475,503,1670,1689]" captionTargetBox="[478,1529,222,1645]" captionTargetId="figure-3@26.[475,1536,208,1648]" captionTargetPageId="26" captionText="Fig 16. Line art drawing of the adult female habitus of Scutiloricus hugoi gen. et sp. nov. Ventral view, anterior faces up. Note that only a selected number of scalids from rows 2 to 8 are represented for clarity. Abbreviations: ac, anal cone; af, anal field; ag?, putative adhesive gland; bp, basal plate; bu, buccal tube; cr, cuticularized triangular ridge; cs, clavoscalid; dlp, dorsolateral plate; fu, oral furca; gl?, putative gland outlet; in, introvert; lo, lorica; mc, mouth cone; mo, mouth aperture; mt, mouth tube; ne, neck; or, oral ridges of type 1 and 2; ov, ovary; ser, seminal receptacle; sr, spinoscalids of 2nd to 9th row; 1/2 2–9 sp (and arrowheads), anterior spike; su, anal field spurs; tp, trichoscalid plate; tr1, single trichoscalid; tr2, double trichoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g016" figureDoi="http://doi.org/10.5281/zenodo.13151773" httpUri="https://zenodo.org/record/13151773/files/figure.png" pageId="24" pageNumber="25">Fig 16</figureCitation>
|
||
). Below the furcae are eight cuticularized triangular ridges (cr). The second, middle section is long, conical
|
||
</paragraph>
|
||
<caption id="DF40539D690E516CFDBFF925C4F6F81E" ID-DOI="http://doi.org/10.5281/zenodo.13151771" ID-Zenodo-Dep="13151771" httpUri="https://zenodo.org/record/13151771/files/figure.png" pageId="25" pageNumber="26" startId="25.[533,561,1706,1725]" targetBox="[536,1526,190,1688]" targetPageId="25" targetType="figure">
|
||
<paragraph id="8B800315690E516CFDBFF925C4F6F81E" blockId="25.[533,1536,1706,1941]" pageId="25" pageNumber="26">
|
||
<emphasis id="B94BDF07690E516CFDBFF925C261F936" bold="true" box="[533,1338,1706,1725]" pageId="25" pageNumber="26">
|
||
Fig 15. Light micrographs of the holotypic adult female of
|
||
<taxonomicName id="4C3F7896690E516CFBB3F925C3E8F936" authorityName="Neves & Kristensen & Møbjerg" authorityYear="2021" box="[1049,1203,1706,1725]" family="Nanaloricidae" genus="Scutiloricus" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Nanaloricida" pageId="25" pageNumber="26" phylum="Loricifera" rank="species" species="hugoi" status="gen. et sp. nov.">
|
||
<emphasis id="B94BDF07690E516CFBB3F925C3E8F936" bold="true" box="[1049,1203,1706,1725]" italics="true" pageId="25" pageNumber="26">Scutiloricus hugoi</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A278627C690E516CFB12F925C261F936" box="[1208,1338,1706,1725]" pageId="25" pageNumber="26" rank="species">gen. et sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
Anterior faces up in all aspects.(A) Overview of the extended specimen, with focus on the internal buccal tube (bu). Double-headed arrow points to large pores (gland outlets?) situated on the posterior region of the ventral plate. (B) Ventral view of the specimen. (C) Close-up of the introvert, neck and anterior region of the lorica, ventral view. Note the fenestrated aspect of the anterior spikes (sp). (D) Close-up of the anal field. (E) Dorsal view of the extended specimen. Abbreviations: ac, anal cone; af, anal field; bp, basal plate; cs, clavoscalid; dlp, dorsolateral plate; dp, dorsal plate; in, introvert; lo, lorica; mt, mouth tube; oo, oocyte; sp, anterior spike; sr, spinoscalids of 8
|
||
<superScript id="7C4AAE5D690E516CFB56F8B2C252F8C1" attach="left" box="[1276,1289,1853,1866]" fontSize="5" pageId="25" pageNumber="26">th</superScript>
|
||
or 9
|
||
<superScript id="7C4AAE5D690E516CFA85F8B2C267F8C1" attach="left" box="[1327,1340,1853,1866]" fontSize="5" pageId="25" pageNumber="26">th</superScript>
|
||
row; ss spinoscalid; su,
|
||
<subScript id="17BB0150690E516CFBF9F8C5C333F8DC" attach="left" box="[1107,1128,1866,1879]" fontSize="5" pageId="25" pageNumber="26">8/9</subScript>
|
||
anal field spurs tr, trichoscalid; vlp, ventrolateral plate; vp, ventral plate. https://doi.org/10.1371/journal.pone.0250403.g015
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF40539D690D516FFE71F909C428F8D1" ID-DOI="http://doi.org/10.5281/zenodo.13151773" ID-Zenodo-Dep="13151773" httpUri="https://zenodo.org/record/13151773/files/figure.png" pageId="26" pageNumber="27" startId="26.[475,503,1670,1689]" targetBox="[478,1529,222,1645]" targetPageId="26" targetType="figure">
|
||
<paragraph id="8B800315690D516FFE71F909C2B2F912" blockId="26.[475,1520,1669,1882]" box="[475,1513,1669,1689]" pageId="26" pageNumber="27">
|
||
<emphasis id="B94BDF07690D516FFE71F909C386F912" bold="true" box="[475,1245,1669,1689]" pageId="26" pageNumber="27">
|
||
Fig 16. Line art drawing of the adult female habitus of
|
||
<taxonomicName id="4C3F7896690D516FFC11F90AC30DF913" authorityName="Neves & Kristensen & Møbjerg" authorityYear="2021" box="[955,1110,1669,1688]" family="Nanaloricidae" genus="Scutiloricus" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Nanaloricida" pageId="26" pageNumber="27" phylum="Loricifera" rank="species" species="hugoi" status="gen. et sp. nov.">
|
||
<emphasis id="B94BDF07690D516FFC11F90AC30DF913" bold="true" box="[955,1110,1669,1688]" italics="true" pageId="26" pageNumber="27">Scutiloricus hugoi</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A278627C690D516FFBF1F909C386F912" box="[1115,1245,1670,1689]" pageId="26" pageNumber="27" rank="species">gen. et sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
Ventral view, anterior faces up.
|
||
</paragraph>
|
||
<paragraph id="8B800315690D516FFE71F910C321F8BA" blockId="26.[475,1520,1669,1882]" pageId="26" pageNumber="27">
|
||
Note that only a selected number of scalids from rows 2 to 8 are represented for clarity. Abbreviations: ac, anal cone; af, anal field; ag?, putative adhesive gland; bp, basal plate; bu, buccal tube; cr, cuticularized triangular ridge; cs, clavoscalid; dlp, dorsolateral plate; fu, oral furca; gl?, putative gland outlet; in, introvert; lo, lorica; mc, mouth cone; mo, mouth aperture; mt, mouth tube; ne, neck; or, oral ridges of type 1 and 2; ov, ovary; ser, seminal receptacle; sr, spinoscalids of 2
|
||
<superScript id="7C4AAE5D690D516FFA28F969C2C8F978" attach="left" box="[1410,1427,1766,1779]" fontSize="5" pageId="26" pageNumber="27">nd</superScript>
|
||
to 9
|
||
<superScript id="7C4AAE5D690D516FFA1DF969C29FF978" attach="left" box="[1463,1476,1766,1779]" fontSize="5" pageId="26" pageNumber="27">th</superScript>
|
||
row;
|
||
<subScript id="17BB0150690D516FFD00F97CC3B6F88B" attach="left" box="[682,1261,1779,1792]" fontSize="5" pageId="26" pageNumber="27">1/2 2–9</subScript>
|
||
sp (and arrowheads), anterior spike; su, anal field spurs; tp, trichoscalid plate; tr
|
||
<subScript id="17BB0150690D516FFBDDF882C324F891" attach="left" box="[1143,1151,1805,1818]" fontSize="5" pageId="26" pageNumber="27">1</subScript>
|
||
, single trichoscalid; tr
|
||
<subScript id="17BB0150690D516FFA92F882C21BF891" attach="left" box="[1336,1344,1805,1818]" fontSize="5" pageId="26" pageNumber="27">2</subScript>
|
||
, double trichoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement.
|
||
</paragraph>
|
||
<paragraph id="8B800315690D516FFE71F8C8C428F8D1" blockId="26.[475,1520,1669,1882]" box="[475,883,1863,1882]" pageId="26" pageNumber="27">https://doi.org/10.1371/journal.pone.0250403.g016</paragraph>
|
||
</caption>
|
||
<caption id="DF40539D690C516EFE4BF949C423F811" ID-DOI="http://doi.org/10.5281/zenodo.13151775" ID-Zenodo-Dep="13151775" httpUri="https://zenodo.org/record/13151775/files/figure.png" pageId="27" pageNumber="28" startId="27.[481,509,1734,1753]" targetBox="[484,1533,211,1709]" targetPageId="27" targetType="figure">
|
||
<paragraph id="8B800315690C516EFE4BF949C53BF8FA" blockId="27.[481,1535,1733,1946]" pageId="27" pageNumber="28">
|
||
<emphasis id="B94BDF07690C516EFE4BF949C3AFF952" bold="true" box="[481,1268,1733,1753]" pageId="27" pageNumber="28">
|
||
Fig 17. Light micrographs of a paratypic adult female of
|
||
<taxonomicName id="4C3F7896690C516EFC78F94AC336F953" authorityName="Neves & Kristensen & Møbjerg" authorityYear="2021" box="[978,1133,1733,1752]" family="Nanaloricidae" genus="Scutiloricus" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Nanaloricida" pageId="27" pageNumber="28" phylum="Loricifera" rank="species" species="hugoi" status="gen. et sp. nov.">
|
||
<emphasis id="B94BDF07690C516EFC78F94AC336F953" bold="true" box="[978,1133,1733,1752]" italics="true" pageId="27" pageNumber="28">Scutiloricus hugoi</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A278627C690C516EFBDBF949C3AFF952" box="[1137,1268,1734,1753]" pageId="27" pageNumber="28" rank="species">gen. et sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
(A) Overview of the fully extended specimen, anterior faces up. Note the presence of a large oocyte (oo) and two seminal receptacles (ser). (B) Close up of the oocyte and the two seminal receptacles (arrowheads). (C) Close up of the posterior region of the lorica. Note the linear arrangement of the four flosculi (black double arrowheads) on each dorsolateral plate (dlp) and the two flosculi (white double arrowheads) located medially on the dorsal plate (dp). Abbreviations: cs, clavoscalids; in, introvert; lo, lorica; mc, mouth cone; mt, mouth tube; sp, anterior spike; ss, spinoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement.
|
||
</paragraph>
|
||
<paragraph id="8B800315690C516EFE4BF808C423F811" blockId="27.[481,1535,1733,1946]" box="[481,888,1927,1946]" pageId="27" pageNumber="28">https://doi.org/10.1371/journal.pone.0250403.g017</paragraph>
|
||
</caption>
|
||
<caption id="DF40539D690B5169FE0AF930C2DFF8DA" ID-DOI="http://doi.org/10.5281/zenodo.13151779" ID-Zenodo-Dep="13151779" httpUri="https://zenodo.org/record/13151779/files/figure.png" pageId="28" pageNumber="29" startId="28.[416,444,1727,1746]" targetBox="[419,1533,211,1709]" targetPageId="28" targetType="figure">
|
||
<paragraph id="8B800315690B5169FE0AF930C2DFF8DA" blockId="28.[416,1529,1727,1873]" pageId="28" pageNumber="29">
|
||
<emphasis id="B94BDF07690B5169FE0AF930C3F5F959" bold="true" box="[416,1198,1727,1746]" pageId="28" pageNumber="29">
|
||
Fig 18. Light micrographs of the allotypic adult male of
|
||
<taxonomicName id="4C3F7896690B5169FC26F930C37CF959" authorityName="Neves & Kristensen & Møbjerg" authorityYear="2021" box="[908,1063,1727,1746]" family="Nanaloricidae" genus="Scutiloricus" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Nanaloricida" pageId="28" pageNumber="29" phylum="Loricifera" rank="species" species="hugoi" status="gen. et sp. nov.">
|
||
<emphasis id="B94BDF07690B5169FC26F930C37CF959" bold="true" box="[908,1063,1727,1746]" italics="true" pageId="28" pageNumber="29">Scutiloricus hugoi</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A278627C690B5169FB81F930C3F5F959" box="[1067,1198,1727,1746]" pageId="28" pageNumber="29" rank="species">gen. et sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
Anterior faces up in all aspects. (A) Overview of the extended specimen, dorsal view. (B) Anterior region of the body, ventral view. (C) Close-up of the anterior spikes of the dorsal and dorsolateral plates. Note the fenestrated aspect of the anterior spikes (arrowheads). (D) Introvert, neck and anterior region of the abdomen; ventral view. (E) Posterior region of the lorica, dorsal view. Note the putative gonopores (go?) located in the posteriormost region of the dorsolateral plates. (F) Posterior region of the lorica, ventral view. Double-headed arrow points to large pore (gland outlet?) situated in the posterior region of the ventral plate. Double arrowheads indicate an anal field spur.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8B800315690A5168FE0AFF5FC405FE9E" blockId="29.[416,1500,208,277]" pageId="29" pageNumber="30">
|
||
Abbreviations: ac, anal cone; af, anal field; bu, buccal tube; cs, clavoscalid; dlp, dorsolateral plate; dp, dorsal plate; in, introvert; lo, lorica; mc, mouth cone; mt, mouth tube; sp and black arrowheads, anterior spike; sr
|
||
<subScript id="17BB0150690A5168FBCBFF7EC332FF75" attach="right" box="[1121,1129,241,254]" fontSize="5" pageId="29" pageNumber="30">9</subScript>
|
||
, spinoscalids of 9
|
||
<superScript id="7C4AAE5D690A5168FB56FF6BC252FF7A" attach="left" box="[1276,1289,228,241]" fontSize="5" pageId="29" pageNumber="30">th</superScript>
|
||
row; ss spinoscalid; tr, trichoscalid; vlp, ventrolateral plate; vp, ventral plate.
|
||
</paragraph>
|
||
<paragraph id="8B800315690A5168FE0AFEA3C46CFEB4" blockId="29.[416,823,300,319]" box="[416,823,300,319]" pageId="29" pageNumber="30">https://doi.org/10.1371/journal.pone.0250403.g018</paragraph>
|
||
<paragraph id="8B800315690A5168FDBFFEFFC5D6FD98" blockId="29.[533,1536,368,1883]" pageId="29" pageNumber="30">
|
||
and characterized by a wall reinforced by eight oral ridges (or) of different length. The primary oral ridges (or
|
||
<subScript id="17BB0150690A5168FD01FE12C5EEFE26" attach="left" box="[683,693,413,429]" fontSize="7" pageId="29" pageNumber="30">1</subScript>
|
||
) are long and span almost the entire length of the middle section, while the secondary oral ridges (or
|
||
<subScript id="17BB0150690A5168FD57FE4FC45DFE5B" attach="left" box="[765,774,448,464]" fontSize="7" pageId="29" pageNumber="30">2</subScript>
|
||
) are shorter and span only half of the middle section length. The third, most distal section is a mouth tube that ends with a terminal mouth aperture. There are no oral stylets.
|
||
</paragraph>
|
||
<paragraph id="8B800315690A5168FD9FFD91C401FDD3" blockId="29.[533,1536,368,1883]" pageId="29" pageNumber="30">
|
||
<emphasis id="B94BDF07690A5168FD9FFD91C5EDFDBE" box="[565,694,542,565]" italics="true" pageId="29" pageNumber="30">Introvert (in</emphasis>
|
||
,
|
||
<figureCitation id="13041F90690A5168FD68FD91C46FFDBD" box="[706,820,542,566]" captionStart-0="Fig 15" captionStart-1="Fig 16" captionStart-2="Fig 17" captionStart-3="Fig 18" captionStartId-0="25.[533,561,1706,1725]" captionStartId-1="26.[475,503,1670,1689]" captionStartId-2="27.[481,509,1734,1753]" captionStartId-3="28.[416,444,1727,1746]" captionTargetBox-0="[536,1526,190,1688]" captionTargetBox-1="[478,1529,222,1645]" captionTargetBox-2="[484,1533,211,1709]" captionTargetBox-3="[419,1533,211,1709]" captionTargetId-0="figure-3@25.[533,1532,187,1691]" captionTargetId-1="figure-3@26.[475,1536,208,1648]" captionTargetId-2="figure-3@27.[481,1536,208,1712]" captionTargetId-3="figure-1@28.[416,1536,208,1712]" captionTargetPageId-0="25" captionTargetPageId-1="26" captionTargetPageId-2="27" captionTargetPageId-3="28" captionText-0="Fig 15. Light micrographs of the holotypic adult female of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects.(A) Overview of the extended specimen, with focus on the internal buccal tube (bu). Double-headed arrow points to large pores (gland outlets?) situated on the posterior region of the ventral plate. (B) Ventral view of the specimen. (C) Close-up of the introvert, neck and anterior region of the lorica, ventral view. Note the fenestrated aspect of the anterior spikes (sp). (D) Close-up of the anal field. (E) Dorsal view of the extended specimen. Abbreviations: ac, anal cone; af, anal field; bp, basal plate; cs, clavoscalid; dlp, dorsolateral plate; dp, dorsal plate; in, introvert; lo, lorica; mt, mouth tube; oo, oocyte; sp, anterior spike; sr, spinoscalids of 8th or 9th row; ss spinoscalid; su, 8/9 anal field spurs tr, trichoscalid; vlp, ventrolateral plate; vp, ventral plate. https://doi.org/10.1371/journal.pone.0250403.g015" captionText-1="Fig 16. Line art drawing of the adult female habitus of Scutiloricus hugoi gen. et sp. nov. Ventral view, anterior faces up. Note that only a selected number of scalids from rows 2 to 8 are represented for clarity. Abbreviations: ac, anal cone; af, anal field; ag?, putative adhesive gland; bp, basal plate; bu, buccal tube; cr, cuticularized triangular ridge; cs, clavoscalid; dlp, dorsolateral plate; fu, oral furca; gl?, putative gland outlet; in, introvert; lo, lorica; mc, mouth cone; mo, mouth aperture; mt, mouth tube; ne, neck; or, oral ridges of type 1 and 2; ov, ovary; ser, seminal receptacle; sr, spinoscalids of 2nd to 9th row; 1/2 2–9 sp (and arrowheads), anterior spike; su, anal field spurs; tp, trichoscalid plate; tr1, single trichoscalid; tr2, double trichoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g016" captionText-2="Fig 17. Light micrographs of a paratypic adult female of Scutiloricus hugoi gen. et sp. nov. (A) Overview of the fully extended specimen, anterior faces up. Note the presence of a large oocyte (oo) and two seminal receptacles (ser). (B) Close up of the oocyte and the two seminal receptacles (arrowheads). (C) Close up of the posterior region of the lorica. Note the linear arrangement of the four flosculi (black double arrowheads) on each dorsolateral plate (dlp) and the two flosculi (white double arrowheads) located medially on the dorsal plate (dp). Abbreviations: cs, clavoscalids; in, introvert; lo, lorica; mc, mouth cone; mt, mouth tube; sp, anterior spike; ss, spinoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g017" captionText-3="Fig 18. Light micrographs of the allotypic adult male of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects. (A) Overview of the extended specimen, dorsal view. (B) Anterior region of the body, ventral view. (C) Close-up of the anterior spikes of the dorsal and dorsolateral plates. Note the fenestrated aspect of the anterior spikes (arrowheads). (D) Introvert, neck and anterior region of the abdomen; ventral view. (E) Posterior region of the lorica, dorsal view. Note the putative gonopores (go?) located in the posteriormost region of the dorsolateral plates. (F) Posterior region of the lorica, ventral view. Double-headed arrow points to large pore (gland outlet?) situated in the posterior region of the ventral plate. Double arrowheads indicate an anal field spur." figureDoi-0="http://doi.org/10.5281/zenodo.13151771" figureDoi-1="http://doi.org/10.5281/zenodo.13151773" figureDoi-2="http://doi.org/10.5281/zenodo.13151775" figureDoi-3="http://doi.org/10.5281/zenodo.13151779" httpUri-0="https://zenodo.org/record/13151771/files/figure.png" httpUri-1="https://zenodo.org/record/13151773/files/figure.png" httpUri-2="https://zenodo.org/record/13151775/files/figure.png" httpUri-3="https://zenodo.org/record/13151779/files/figure.png" pageId="29" pageNumber="30">Figs 15–18</figureCitation>
|
||
<emphasis id="B94BDF07690A5168FC9EFD91C466FDBE" box="[820,829,542,565]" italics="true" pageId="29" pageNumber="30">)</emphasis>
|
||
. Round in shape and characterized by nine rows of scalids arranged radially (
|
||
<figureCitation id="13041F90690A5168FD7DFDCFC411FDD3" box="[727,842,576,600]" captionStart-0="Fig 15" captionStart-1="Fig 16" captionStart-2="Fig 17" captionStart-3="Fig 18" captionStart-4="Fig 19" captionStartId-0="25.[533,561,1706,1725]" captionStartId-1="26.[475,503,1670,1689]" captionStartId-2="27.[481,509,1734,1753]" captionStartId-3="28.[416,444,1727,1746]" captionStartId-4="30.[474,502,1718,1737]" captionTargetBox-0="[536,1526,190,1688]" captionTargetBox-1="[478,1529,222,1645]" captionTargetBox-2="[484,1533,211,1709]" captionTargetBox-3="[419,1533,211,1709]" captionTargetBox-4="[477,1533,195,1693]" captionTargetId-0="figure-3@25.[533,1532,187,1691]" captionTargetId-1="figure-3@26.[475,1536,208,1648]" captionTargetId-2="figure-3@27.[481,1536,208,1712]" captionTargetId-3="figure-1@28.[416,1536,208,1712]" captionTargetId-4="figure-3@30.[474,1536,192,1696]" captionTargetPageId-0="25" captionTargetPageId-1="26" captionTargetPageId-2="27" captionTargetPageId-3="28" captionTargetPageId-4="30" captionText-0="Fig 15. Light micrographs of the holotypic adult female of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects.(A) Overview of the extended specimen, with focus on the internal buccal tube (bu). Double-headed arrow points to large pores (gland outlets?) situated on the posterior region of the ventral plate. (B) Ventral view of the specimen. (C) Close-up of the introvert, neck and anterior region of the lorica, ventral view. Note the fenestrated aspect of the anterior spikes (sp). (D) Close-up of the anal field. (E) Dorsal view of the extended specimen. Abbreviations: ac, anal cone; af, anal field; bp, basal plate; cs, clavoscalid; dlp, dorsolateral plate; dp, dorsal plate; in, introvert; lo, lorica; mt, mouth tube; oo, oocyte; sp, anterior spike; sr, spinoscalids of 8th or 9th row; ss spinoscalid; su, 8/9 anal field spurs tr, trichoscalid; vlp, ventrolateral plate; vp, ventral plate. https://doi.org/10.1371/journal.pone.0250403.g015" captionText-1="Fig 16. Line art drawing of the adult female habitus of Scutiloricus hugoi gen. et sp. nov. Ventral view, anterior faces up. Note that only a selected number of scalids from rows 2 to 8 are represented for clarity. Abbreviations: ac, anal cone; af, anal field; ag?, putative adhesive gland; bp, basal plate; bu, buccal tube; cr, cuticularized triangular ridge; cs, clavoscalid; dlp, dorsolateral plate; fu, oral furca; gl?, putative gland outlet; in, introvert; lo, lorica; mc, mouth cone; mo, mouth aperture; mt, mouth tube; ne, neck; or, oral ridges of type 1 and 2; ov, ovary; ser, seminal receptacle; sr, spinoscalids of 2nd to 9th row; 1/2 2–9 sp (and arrowheads), anterior spike; su, anal field spurs; tp, trichoscalid plate; tr1, single trichoscalid; tr2, double trichoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g016" captionText-2="Fig 17. Light micrographs of a paratypic adult female of Scutiloricus hugoi gen. et sp. nov. (A) Overview of the fully extended specimen, anterior faces up. Note the presence of a large oocyte (oo) and two seminal receptacles (ser). (B) Close up of the oocyte and the two seminal receptacles (arrowheads). (C) Close up of the posterior region of the lorica. Note the linear arrangement of the four flosculi (black double arrowheads) on each dorsolateral plate (dlp) and the two flosculi (white double arrowheads) located medially on the dorsal plate (dp). Abbreviations: cs, clavoscalids; in, introvert; lo, lorica; mc, mouth cone; mt, mouth tube; sp, anterior spike; ss, spinoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g017" captionText-3="Fig 18. Light micrographs of the allotypic adult male of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects. (A) Overview of the extended specimen, dorsal view. (B) Anterior region of the body, ventral view. (C) Close-up of the anterior spikes of the dorsal and dorsolateral plates. Note the fenestrated aspect of the anterior spikes (arrowheads). (D) Introvert, neck and anterior region of the abdomen; ventral view. (E) Posterior region of the lorica, dorsal view. Note the putative gonopores (go?) located in the posteriormost region of the dorsolateral plates. (F) Posterior region of the lorica, ventral view. Double-headed arrow points to large pore (gland outlet?) situated in the posterior region of the ventral plate. Double arrowheads indicate an anal field spur." captionText-4="Fig 19. Schematic diagrams of the distribution of introvert and neck appendages in adult forms of Scutiloricus hugoi gen. et sp. nov. Note that for the sake of clarity sexual dimorphism of the clavoscalids is not depicted. The shaded area indicates the neck region. (A) Polar diagram. (B) Planar projection. Abbreviations: bp, basal plate; cs, clavoscalid; MD, middorsal line; MV, midventral line; mv bp, midventral pair of basal plates; sr, scalids of 1st to 9th row; ss, spinoscalids; tp, trichoscalid 1–9 plate; tr1, single trichoscalid; tr2, double trichoscalid. https://doi.org/10.1371/journal.pone.0250403.g019" figureDoi-0="http://doi.org/10.5281/zenodo.13151771" figureDoi-1="http://doi.org/10.5281/zenodo.13151773" figureDoi-2="http://doi.org/10.5281/zenodo.13151775" figureDoi-3="http://doi.org/10.5281/zenodo.13151779" figureDoi-4="http://doi.org/10.5281/zenodo.13151781" httpUri-0="https://zenodo.org/record/13151771/files/figure.png" httpUri-1="https://zenodo.org/record/13151773/files/figure.png" httpUri-2="https://zenodo.org/record/13151775/files/figure.png" httpUri-3="https://zenodo.org/record/13151779/files/figure.png" httpUri-4="https://zenodo.org/record/13151781/files/figure.png" pageId="29" pageNumber="30">Figs 15–19</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8B800315690A5168FD9FFDECC5ADFB90" blockId="29.[533,1536,368,1883]" pageId="29" pageNumber="30">
|
||
First row with eight clavoscalids (sr
|
||
<subScript id="17BB0150690A5168FC01FDE2C4EEFDF6" attach="left" box="[939,949,621,637]" fontSize="7" pageId="29" pageNumber="30">1</subScript>
|
||
;
|
||
<figureCitation id="13041F90690A5168FC6AFDECC35AFDF0" box="[960,1025,611,635]" captionStart="Fig 19" captionStartId="30.[474,502,1718,1737]" captionTargetBox="[477,1533,195,1693]" captionTargetId="figure-3@30.[474,1536,192,1696]" captionTargetPageId="30" captionText="Fig 19. Schematic diagrams of the distribution of introvert and neck appendages in adult forms of Scutiloricus hugoi gen. et sp. nov. Note that for the sake of clarity sexual dimorphism of the clavoscalids is not depicted. The shaded area indicates the neck region. (A) Polar diagram. (B) Planar projection. Abbreviations: bp, basal plate; cs, clavoscalid; MD, middorsal line; MV, midventral line; mv bp, midventral pair of basal plates; sr, scalids of 1st to 9th row; ss, spinoscalids; tp, trichoscalid 1–9 plate; tr1, single trichoscalid; tr2, double trichoscalid. https://doi.org/10.1371/journal.pone.0250403.g019" figureDoi="http://doi.org/10.5281/zenodo.13151781" httpUri="https://zenodo.org/record/13151781/files/figure.png" pageId="29" pageNumber="30">Fig 19</figureCitation>
|
||
) that are different between females and males (cs;
|
||
<figureCitation id="13041F90690A5168FD95FD09C5EBFD15" box="[575,688,646,670]" captionStart-0="Fig 15" captionStart-1="Fig 16" captionStart-2="Fig 17" captionStart-3="Fig 18" captionStartId-0="25.[533,561,1706,1725]" captionStartId-1="26.[475,503,1670,1689]" captionStartId-2="27.[481,509,1734,1753]" captionStartId-3="28.[416,444,1727,1746]" captionTargetBox-0="[536,1526,190,1688]" captionTargetBox-1="[478,1529,222,1645]" captionTargetBox-2="[484,1533,211,1709]" captionTargetBox-3="[419,1533,211,1709]" captionTargetId-0="figure-3@25.[533,1532,187,1691]" captionTargetId-1="figure-3@26.[475,1536,208,1648]" captionTargetId-2="figure-3@27.[481,1536,208,1712]" captionTargetId-3="figure-1@28.[416,1536,208,1712]" captionTargetPageId-0="25" captionTargetPageId-1="26" captionTargetPageId-2="27" captionTargetPageId-3="28" captionText-0="Fig 15. Light micrographs of the holotypic adult female of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects.(A) Overview of the extended specimen, with focus on the internal buccal tube (bu). Double-headed arrow points to large pores (gland outlets?) situated on the posterior region of the ventral plate. (B) Ventral view of the specimen. (C) Close-up of the introvert, neck and anterior region of the lorica, ventral view. Note the fenestrated aspect of the anterior spikes (sp). (D) Close-up of the anal field. (E) Dorsal view of the extended specimen. Abbreviations: ac, anal cone; af, anal field; bp, basal plate; cs, clavoscalid; dlp, dorsolateral plate; dp, dorsal plate; in, introvert; lo, lorica; mt, mouth tube; oo, oocyte; sp, anterior spike; sr, spinoscalids of 8th or 9th row; ss spinoscalid; su, 8/9 anal field spurs tr, trichoscalid; vlp, ventrolateral plate; vp, ventral plate. https://doi.org/10.1371/journal.pone.0250403.g015" captionText-1="Fig 16. Line art drawing of the adult female habitus of Scutiloricus hugoi gen. et sp. nov. Ventral view, anterior faces up. Note that only a selected number of scalids from rows 2 to 8 are represented for clarity. Abbreviations: ac, anal cone; af, anal field; ag?, putative adhesive gland; bp, basal plate; bu, buccal tube; cr, cuticularized triangular ridge; cs, clavoscalid; dlp, dorsolateral plate; fu, oral furca; gl?, putative gland outlet; in, introvert; lo, lorica; mc, mouth cone; mo, mouth aperture; mt, mouth tube; ne, neck; or, oral ridges of type 1 and 2; ov, ovary; ser, seminal receptacle; sr, spinoscalids of 2nd to 9th row; 1/2 2–9 sp (and arrowheads), anterior spike; su, anal field spurs; tp, trichoscalid plate; tr1, single trichoscalid; tr2, double trichoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g016" captionText-2="Fig 17. Light micrographs of a paratypic adult female of Scutiloricus hugoi gen. et sp. nov. (A) Overview of the fully extended specimen, anterior faces up. Note the presence of a large oocyte (oo) and two seminal receptacles (ser). (B) Close up of the oocyte and the two seminal receptacles (arrowheads). (C) Close up of the posterior region of the lorica. Note the linear arrangement of the four flosculi (black double arrowheads) on each dorsolateral plate (dlp) and the two flosculi (white double arrowheads) located medially on the dorsal plate (dp). Abbreviations: cs, clavoscalids; in, introvert; lo, lorica; mc, mouth cone; mt, mouth tube; sp, anterior spike; ss, spinoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g017" captionText-3="Fig 18. Light micrographs of the allotypic adult male of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects. (A) Overview of the extended specimen, dorsal view. (B) Anterior region of the body, ventral view. (C) Close-up of the anterior spikes of the dorsal and dorsolateral plates. Note the fenestrated aspect of the anterior spikes (arrowheads). (D) Introvert, neck and anterior region of the abdomen; ventral view. (E) Posterior region of the lorica, dorsal view. Note the putative gonopores (go?) located in the posteriormost region of the dorsolateral plates. (F) Posterior region of the lorica, ventral view. Double-headed arrow points to large pore (gland outlet?) situated in the posterior region of the ventral plate. Double arrowheads indicate an anal field spur." figureDoi-0="http://doi.org/10.5281/zenodo.13151771" figureDoi-1="http://doi.org/10.5281/zenodo.13151773" figureDoi-2="http://doi.org/10.5281/zenodo.13151775" figureDoi-3="http://doi.org/10.5281/zenodo.13151779" httpUri-0="https://zenodo.org/record/13151771/files/figure.png" httpUri-1="https://zenodo.org/record/13151773/files/figure.png" httpUri-2="https://zenodo.org/record/13151775/files/figure.png" httpUri-3="https://zenodo.org/record/13151779/files/figure.png" pageId="29" pageNumber="30">Figs 15–18</figureCitation>
|
||
). In females, all clavoscalids are identical, slender appendages divided into four segments (
|
||
<figureCitation id="13041F90690A5168FD2FFD27C58AFD4B" box="[645,721,680,704]" captionStart="Fig 15" captionStartId="25.[533,561,1706,1725]" captionTargetBox="[536,1526,190,1688]" captionTargetId="figure-3@25.[533,1532,187,1691]" captionTargetPageId="25" captionText="Fig 15. Light micrographs of the holotypic adult female of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects.(A) Overview of the extended specimen, with focus on the internal buccal tube (bu). Double-headed arrow points to large pores (gland outlets?) situated on the posterior region of the ventral plate. (B) Ventral view of the specimen. (C) Close-up of the introvert, neck and anterior region of the lorica, ventral view. Note the fenestrated aspect of the anterior spikes (sp). (D) Close-up of the anal field. (E) Dorsal view of the extended specimen. Abbreviations: ac, anal cone; af, anal field; bp, basal plate; cs, clavoscalid; dlp, dorsolateral plate; dp, dorsal plate; in, introvert; lo, lorica; mt, mouth tube; oo, oocyte; sp, anterior spike; sr, spinoscalids of 8th or 9th row; ss spinoscalid; su, 8/9 anal field spurs tr, trichoscalid; vlp, ventrolateral plate; vp, ventral plate. https://doi.org/10.1371/journal.pone.0250403.g015" figureDoi="http://doi.org/10.5281/zenodo.13151771" httpUri="https://zenodo.org/record/13151771/files/figure.png" pageId="29" pageNumber="30">Figs 15</figureCitation>
|
||
and
|
||
<figureCitation id="13041F90690A5168FCAFFD27C445FD4B" box="[773,798,680,704]" captionStart="Fig 16" captionStartId="26.[475,503,1670,1689]" captionTargetBox="[478,1529,222,1645]" captionTargetId="figure-3@26.[475,1536,208,1648]" captionTargetPageId="26" captionText="Fig 16. Line art drawing of the adult female habitus of Scutiloricus hugoi gen. et sp. nov. Ventral view, anterior faces up. Note that only a selected number of scalids from rows 2 to 8 are represented for clarity. Abbreviations: ac, anal cone; af, anal field; ag?, putative adhesive gland; bp, basal plate; bu, buccal tube; cr, cuticularized triangular ridge; cs, clavoscalid; dlp, dorsolateral plate; fu, oral furca; gl?, putative gland outlet; in, introvert; lo, lorica; mc, mouth cone; mo, mouth aperture; mt, mouth tube; ne, neck; or, oral ridges of type 1 and 2; ov, ovary; ser, seminal receptacle; sr, spinoscalids of 2nd to 9th row; 1/2 2–9 sp (and arrowheads), anterior spike; su, anal field spurs; tp, trichoscalid plate; tr1, single trichoscalid; tr2, double trichoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g016" figureDoi="http://doi.org/10.5281/zenodo.13151773" httpUri="https://zenodo.org/record/13151773/files/figure.png" pageId="29" pageNumber="30">16</figureCitation>
|
||
). The first, most proximal segment is short and cylindrical, and has several minute teeth arranged antero-distally. The second segment is the longest segment of the clavoscalid and is serrated on the anterior side. The third segment is short and thin. The fourth, most distal segment is short and curved, and ends as a spinose tip. In males, clavoscalids are multiform (
|
||
<figureCitation id="13041F90690A5168FD49FCBCC4C4FCC0" box="[739,927,819,843]" captionStart="Fig 18" captionStartId="28.[416,444,1727,1746]" captionTargetBox="[419,1533,211,1709]" captionTargetId="figure-1@28.[416,1536,208,1712]" captionTargetPageId="28" captionText="Fig 18. Light micrographs of the allotypic adult male of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects. (A) Overview of the extended specimen, dorsal view. (B) Anterior region of the body, ventral view. (C) Close-up of the anterior spikes of the dorsal and dorsolateral plates. Note the fenestrated aspect of the anterior spikes (arrowheads). (D) Introvert, neck and anterior region of the abdomen; ventral view. (E) Posterior region of the lorica, dorsal view. Note the putative gonopores (go?) located in the posteriormost region of the dorsolateral plates. (F) Posterior region of the lorica, ventral view. Double-headed arrow points to large pore (gland outlet?) situated in the posterior region of the ventral plate. Double arrowheads indicate an anal field spur." figureDoi="http://doi.org/10.5281/zenodo.13151779" httpUri="https://zenodo.org/record/13151779/files/figure.png" pageId="29" pageNumber="30">Figs 18A and 18B</figureCitation>
|
||
). The morphology of the most ventral pair is exactly as that observed in the female clavoscalids. The other six clavoscalids possess a broad base and are divided into primary, secondary and tertiary branches. All branches are broad and flat, though the secondary branch is slightly broader than the other branches. Both the secondary and tertiary branches are unsegmented. The primary branch is three segmented, possessing two short distal segments: a thin one followed by a terminal, slightly curved segment with a spinose tip (
|
||
<figureCitation id="13041F90690A5168FD3DFB8CC5BCFB90" box="[663,743,1027,1051]" captionStart="Fig 18" captionStartId="28.[416,444,1727,1746]" captionTargetBox="[419,1533,211,1709]" captionTargetId="figure-1@28.[416,1536,208,1712]" captionTargetPageId="28" captionText="Fig 18. Light micrographs of the allotypic adult male of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects. (A) Overview of the extended specimen, dorsal view. (B) Anterior region of the body, ventral view. (C) Close-up of the anterior spikes of the dorsal and dorsolateral plates. Note the fenestrated aspect of the anterior spikes (arrowheads). (D) Introvert, neck and anterior region of the abdomen; ventral view. (E) Posterior region of the lorica, dorsal view. Note the putative gonopores (go?) located in the posteriormost region of the dorsolateral plates. (F) Posterior region of the lorica, ventral view. Double-headed arrow points to large pore (gland outlet?) situated in the posterior region of the ventral plate. Double arrowheads indicate an anal field spur." figureDoi="http://doi.org/10.5281/zenodo.13151779" httpUri="https://zenodo.org/record/13151779/files/figure.png" pageId="29" pageNumber="30">Fig 18B</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8B800315690A5168FD9FFBA9C477FABB" blockId="29.[533,1536,368,1883]" pageId="29" pageNumber="30">
|
||
The second row (sr
|
||
<subScript id="17BB0150690A5168FCABFBBFC451FBCB" attach="left" box="[769,778,1072,1088]" fontSize="7" pageId="29" pageNumber="30">2</subScript>
|
||
;
|
||
<figureCitation id="13041F90690A5168FCBDFBA9C40CFBB5" box="[791,855,1062,1086]" captionStart="Fig 19" captionStartId="30.[474,502,1718,1737]" captionTargetBox="[477,1533,195,1693]" captionTargetId="figure-3@30.[474,1536,192,1696]" captionTargetPageId="30" captionText="Fig 19. Schematic diagrams of the distribution of introvert and neck appendages in adult forms of Scutiloricus hugoi gen. et sp. nov. Note that for the sake of clarity sexual dimorphism of the clavoscalids is not depicted. The shaded area indicates the neck region. (A) Polar diagram. (B) Planar projection. Abbreviations: bp, basal plate; cs, clavoscalid; MD, middorsal line; MV, midventral line; mv bp, midventral pair of basal plates; sr, scalids of 1st to 9th row; ss, spinoscalids; tp, trichoscalid 1–9 plate; tr1, single trichoscalid; tr2, double trichoscalid. https://doi.org/10.1371/journal.pone.0250403.g019" figureDoi="http://doi.org/10.5281/zenodo.13151781" httpUri="https://zenodo.org/record/13151781/files/figure.png" pageId="29" pageNumber="30">Fig 19</figureCitation>
|
||
) is composed of nine leg-like spinoscalids, which are divided into four segments (
|
||
<figureCitation id="13041F90690A5168FD41FBC7C470FBEB" box="[747,811,1096,1120]" captionStart="Fig 16" captionStartId="26.[475,503,1670,1689]" captionTargetBox="[478,1529,222,1645]" captionTargetId="figure-3@26.[475,1536,208,1648]" captionTargetPageId="26" captionText="Fig 16. Line art drawing of the adult female habitus of Scutiloricus hugoi gen. et sp. nov. Ventral view, anterior faces up. Note that only a selected number of scalids from rows 2 to 8 are represented for clarity. Abbreviations: ac, anal cone; af, anal field; ag?, putative adhesive gland; bp, basal plate; bu, buccal tube; cr, cuticularized triangular ridge; cs, clavoscalid; dlp, dorsolateral plate; fu, oral furca; gl?, putative gland outlet; in, introvert; lo, lorica; mc, mouth cone; mo, mouth aperture; mt, mouth tube; ne, neck; or, oral ridges of type 1 and 2; ov, ovary; ser, seminal receptacle; sr, spinoscalids of 2nd to 9th row; 1/2 2–9 sp (and arrowheads), anterior spike; su, anal field spurs; tp, trichoscalid plate; tr1, single trichoscalid; tr2, double trichoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g016" figureDoi="http://doi.org/10.5281/zenodo.13151773" httpUri="https://zenodo.org/record/13151773/files/figure.png" pageId="29" pageNumber="30">Fig 16</figureCitation>
|
||
). The first, most proximal segment has a short, robust base with several minute hairs. The base narrows distally and ends as a cylindrical short region also covered with several minute hairs. The second segment is also short and cylindrical. The third segment represents approximately half of the scalid length. The fourth, most distal segment is curved, with a pointy tip and represents approximately one quarter of the scalid. Noteworthy, the two midventral spinoscalids of the second row are thinner and slightly shorter than all other spinoscalids of the same row.
|
||
</paragraph>
|
||
<paragraph id="8B800315690A5168FD9FFAB4C47DFA30" blockId="29.[533,1536,368,1883]" pageId="29" pageNumber="30">
|
||
The third row (sr
|
||
<subScript id="17BB0150690A5168FD46FACAC5AEFADE" attach="left" box="[748,757,1349,1365]" fontSize="7" pageId="29" pageNumber="30">3</subScript>
|
||
;
|
||
<figureCitation id="13041F90690A5168FCABFAB4C419FAD8" box="[769,834,1339,1363]" captionStart="Fig 19" captionStartId="30.[474,502,1718,1737]" captionTargetBox="[477,1533,195,1693]" captionTargetId="figure-3@30.[474,1536,192,1696]" captionTargetPageId="30" captionText="Fig 19. Schematic diagrams of the distribution of introvert and neck appendages in adult forms of Scutiloricus hugoi gen. et sp. nov. Note that for the sake of clarity sexual dimorphism of the clavoscalids is not depicted. The shaded area indicates the neck region. (A) Polar diagram. (B) Planar projection. Abbreviations: bp, basal plate; cs, clavoscalid; MD, middorsal line; MV, midventral line; mv bp, midventral pair of basal plates; sr, scalids of 1st to 9th row; ss, spinoscalids; tp, trichoscalid 1–9 plate; tr1, single trichoscalid; tr2, double trichoscalid. https://doi.org/10.1371/journal.pone.0250403.g019" figureDoi="http://doi.org/10.5281/zenodo.13151781" httpUri="https://zenodo.org/record/13151781/files/figure.png" pageId="29" pageNumber="30">Fig 19</figureCitation>
|
||
) consists of seven short, two-segmented spinoscalids (
|
||
<figureCitation id="13041F90690A5168FA28FAB4C298FAD8" box="[1410,1475,1339,1363]" captionStart="Fig 16" captionStartId="26.[475,503,1670,1689]" captionTargetBox="[478,1529,222,1645]" captionTargetId="figure-3@26.[475,1536,208,1648]" captionTargetPageId="26" captionText="Fig 16. Line art drawing of the adult female habitus of Scutiloricus hugoi gen. et sp. nov. Ventral view, anterior faces up. Note that only a selected number of scalids from rows 2 to 8 are represented for clarity. Abbreviations: ac, anal cone; af, anal field; ag?, putative adhesive gland; bp, basal plate; bu, buccal tube; cr, cuticularized triangular ridge; cs, clavoscalid; dlp, dorsolateral plate; fu, oral furca; gl?, putative gland outlet; in, introvert; lo, lorica; mc, mouth cone; mo, mouth aperture; mt, mouth tube; ne, neck; or, oral ridges of type 1 and 2; ov, ovary; ser, seminal receptacle; sr, spinoscalids of 2nd to 9th row; 1/2 2–9 sp (and arrowheads), anterior spike; su, anal field spurs; tp, trichoscalid plate; tr1, single trichoscalid; tr2, double trichoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g016" figureDoi="http://doi.org/10.5281/zenodo.13151773" httpUri="https://zenodo.org/record/13151773/files/figure.png" pageId="29" pageNumber="30">Fig 16</figureCitation>
|
||
). The proximal segment is a short, conical base that narrows distally. The distal segment is relatively long and ends as a thin tip. This segment possesses numerous thick hairs, which gives it a feather-like appearance.
|
||
</paragraph>
|
||
<paragraph id="8B800315690A5168FD9FFA49C5D2F89D" blockId="29.[533,1536,368,1883]" pageId="29" pageNumber="30">
|
||
The fourth row (sr
|
||
<subScript id="17BB0150690A5168FD50FA5FC458FA6B" attach="left" box="[762,771,1488,1504]" fontSize="7" pageId="29" pageNumber="30">4</subScript>
|
||
;
|
||
<figureCitation id="13041F90690A5168FCA5FA49C40BFA55" box="[783,848,1478,1502]" captionStart="Fig 19" captionStartId="30.[474,502,1718,1737]" captionTargetBox="[477,1533,195,1693]" captionTargetId="figure-3@30.[474,1536,192,1696]" captionTargetPageId="30" captionText="Fig 19. Schematic diagrams of the distribution of introvert and neck appendages in adult forms of Scutiloricus hugoi gen. et sp. nov. Note that for the sake of clarity sexual dimorphism of the clavoscalids is not depicted. The shaded area indicates the neck region. (A) Polar diagram. (B) Planar projection. Abbreviations: bp, basal plate; cs, clavoscalid; MD, middorsal line; MV, midventral line; mv bp, midventral pair of basal plates; sr, scalids of 1st to 9th row; ss, spinoscalids; tp, trichoscalid 1–9 plate; tr1, single trichoscalid; tr2, double trichoscalid. https://doi.org/10.1371/journal.pone.0250403.g019" figureDoi="http://doi.org/10.5281/zenodo.13151781" httpUri="https://zenodo.org/record/13151781/files/figure.png" pageId="29" pageNumber="30">Fig 19</figureCitation>
|
||
) is composed of 16 spinoscalids of
|
||
<specimenCount id="9D39C89C690A5168FB6EFA49C277FA55" box="[1220,1324,1478,1502]" count="2" pageId="29" pageNumber="30" type="generic" typeStatus="types">two types</specimenCount>
|
||
:
|
||
<specimenCount id="9D39C89C690A5168FA9FFA49C22FFA55" box="[1333,1396,1478,1502]" count="8" pageId="29" pageNumber="30" type="generic" typeStatus="type">8 type</specimenCount>
|
||
A leg-like spinoscalids (sr
|
||
<subScript id="17BB0150690A5168FD12FA7CC590F988" attach="left" box="[696,715,1523,1539]" fontSize="7" pageId="29" pageNumber="30">4a</subScript>
|
||
) alternating with
|
||
<specimenCount id="9D39C89C690A5168FC22FA67C493F98B" box="[904,968,1512,1536]" count="8" pageId="29" pageNumber="30" type="generic" typeStatus="type">8 type</specimenCount>
|
||
B spinoscalids (sr
|
||
<subScript id="17BB0150690A5168FB2CFA7CC3C1F988" attach="left" box="[1158,1178,1523,1539]" fontSize="7" pageId="29" pageNumber="30">4b</subScript>
|
||
) with a hook-shaped tip (
|
||
<figureCitation id="13041F90690A5168FA01FA67C2B7F98B" box="[1451,1516,1512,1536]" captionStart="Fig 16" captionStartId="26.[475,503,1670,1689]" captionTargetBox="[478,1529,222,1645]" captionTargetId="figure-3@26.[475,1536,208,1648]" captionTargetPageId="26" captionText="Fig 16. Line art drawing of the adult female habitus of Scutiloricus hugoi gen. et sp. nov. Ventral view, anterior faces up. Note that only a selected number of scalids from rows 2 to 8 are represented for clarity. Abbreviations: ac, anal cone; af, anal field; ag?, putative adhesive gland; bp, basal plate; bu, buccal tube; cr, cuticularized triangular ridge; cs, clavoscalid; dlp, dorsolateral plate; fu, oral furca; gl?, putative gland outlet; in, introvert; lo, lorica; mc, mouth cone; mo, mouth aperture; mt, mouth tube; ne, neck; or, oral ridges of type 1 and 2; ov, ovary; ser, seminal receptacle; sr, spinoscalids of 2nd to 9th row; 1/2 2–9 sp (and arrowheads), anterior spike; su, anal field spurs; tp, trichoscalid plate; tr1, single trichoscalid; tr2, double trichoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g016" figureDoi="http://doi.org/10.5281/zenodo.13151773" httpUri="https://zenodo.org/record/13151773/files/figure.png" pageId="29" pageNumber="30">Fig 16</figureCitation>
|
||
). The
|
||
<typeStatus id="5484BDB7690A5168FDEFF984C529F9A8" box="[581,626,1547,1571]" pageId="29" pageNumber="30">type</typeStatus>
|
||
A spinoscalids are divided into three segments. The proximal segment is a long and relatively broad base, which ends as a small knee. The middle segment is thin and has approximately the same length as the proximal segment. The third segment is slightly shorter than the preceding segments and terminates as a thin tip. The
|
||
<typeStatus id="5484BDB7690A5168FBE3F9FCC32DF900" box="[1097,1142,1651,1675]" pageId="29" pageNumber="30">type</typeStatus>
|
||
B spinoscalids are three-segmented as well. The proximal segment is a short, broad base that narrows distally and possesses numerous short hairs. The middle segment is thin and short and terminates as a small knee. The distal segment is thin, characterized by numerous thick hairs and terminates as a hook-shaped tip.
|
||
</paragraph>
|
||
<paragraph id="8B800315690A516AFD9FF8AFC26FFEA6" blockId="29.[533,1536,368,1883]" lastBlockId="31.[533,1535,208,1098]" lastPageId="31" lastPageNumber="32" pageId="29" pageNumber="30">
|
||
The fifth to seventh rows (sr
|
||
<subScript id="17BB0150690A5168FCF5F8A4C422F8B0" attach="left" box="[863,889,1835,1851]" fontSize="7" pageId="29" pageNumber="30">5-7</subScript>
|
||
;
|
||
<figureCitation id="13041F90690A5168FC2FF8AFC49EF8B3" box="[901,965,1824,1848]" captionStart="Fig 19" captionStartId="30.[474,502,1718,1737]" captionTargetBox="[477,1533,195,1693]" captionTargetId="figure-3@30.[474,1536,192,1696]" captionTargetPageId="30" captionText="Fig 19. Schematic diagrams of the distribution of introvert and neck appendages in adult forms of Scutiloricus hugoi gen. et sp. nov. Note that for the sake of clarity sexual dimorphism of the clavoscalids is not depicted. The shaded area indicates the neck region. (A) Polar diagram. (B) Planar projection. Abbreviations: bp, basal plate; cs, clavoscalid; MD, middorsal line; MV, midventral line; mv bp, midventral pair of basal plates; sr, scalids of 1st to 9th row; ss, spinoscalids; tp, trichoscalid 1–9 plate; tr1, single trichoscalid; tr2, double trichoscalid. https://doi.org/10.1371/journal.pone.0250403.g019" figureDoi="http://doi.org/10.5281/zenodo.13151781" httpUri="https://zenodo.org/record/13151781/files/figure.png" pageId="29" pageNumber="30">Fig 19</figureCitation>
|
||
) are each composed of 30 four-segmented, leg-like spinoscalids (
|
||
<figureCitation id="13041F90690A5168FD0FF8CCC5BEF8D0" box="[677,741,1859,1883]" captionStart="Fig 16" captionStartId="26.[475,503,1670,1689]" captionTargetBox="[478,1529,222,1645]" captionTargetId="figure-3@26.[475,1536,208,1648]" captionTargetPageId="26" captionText="Fig 16. Line art drawing of the adult female habitus of Scutiloricus hugoi gen. et sp. nov. Ventral view, anterior faces up. Note that only a selected number of scalids from rows 2 to 8 are represented for clarity. Abbreviations: ac, anal cone; af, anal field; ag?, putative adhesive gland; bp, basal plate; bu, buccal tube; cr, cuticularized triangular ridge; cs, clavoscalid; dlp, dorsolateral plate; fu, oral furca; gl?, putative gland outlet; in, introvert; lo, lorica; mc, mouth cone; mo, mouth aperture; mt, mouth tube; ne, neck; or, oral ridges of type 1 and 2; ov, ovary; ser, seminal receptacle; sr, spinoscalids of 2nd to 9th row; 1/2 2–9 sp (and arrowheads), anterior spike; su, anal field spurs; tp, trichoscalid plate; tr1, single trichoscalid; tr2, double trichoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g016" figureDoi="http://doi.org/10.5281/zenodo.13151773" httpUri="https://zenodo.org/record/13151773/files/figure.png" pageId="29" pageNumber="30">Fig 16</figureCitation>
|
||
). The first, most proximal segment is short, with an enlarged base. The two middle segments are long and thin, of which the most proximal one terminates as a knee. The most distal segment is longer and thinner than the preceding two segments (representing approximately one-half of the scalid length) and terminates as a spinose tip.
|
||
</paragraph>
|
||
<caption id="DF40539D6909516BFE70F939C42AF8DC" ID-DOI="http://doi.org/10.5281/zenodo.13151781" ID-Zenodo-Dep="13151781" httpUri="https://zenodo.org/record/13151781/files/figure.png" pageId="30" pageNumber="31" startId="30.[474,502,1718,1737]" targetBox="[477,1533,195,1693]" targetPageId="30" targetType="figure">
|
||
<paragraph id="8B8003156909516BFE70F939C4CFF8A5" blockId="30.[474,1536,1717,1879]" pageId="30" pageNumber="31">
|
||
<emphasis id="B94BDF076909516BFE70F939C568F969" bold="true" pageId="30" pageNumber="31">
|
||
Fig 19. Schematic diagrams of the distribution of introvert and neck appendages in adult forms of
|
||
<taxonomicName id="4C3F78966909516BFA96F93AC28CF943" authorityName="Neves & Kristensen & Møbjerg" authorityYear="2021" box="[1340,1495,1717,1736]" family="Nanaloricidae" genus="Scutiloricus" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Nanaloricida" pageId="30" pageNumber="31" phylum="Loricifera" rank="species" species="hugoi" status="gen. et sp. nov.">
|
||
<emphasis id="B94BDF076909516BFA96F93AC28CF943" bold="true" box="[1340,1495,1717,1736]" italics="true" pageId="30" pageNumber="31">Scutiloricus hugoi</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A278627C6909516BFA71F939C568F969" pageId="30" pageNumber="31" rank="species">gen. et sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
Note that for the sake of clarity sexual dimorphism of the clavoscalids is not depicted. The shaded area indicates the neck region. (A) Polar diagram. (B) Planar projection. Abbreviations: bp, basal plate; cs, clavoscalid; MD, middorsal line; MV, midventral line; mv bp, midventral pair of basal plates; sr, scalids of 1
|
||
<superScript id="7C4AAE5D6909516BFBCBF971C337F881" attach="left" box="[1121,1132,1790,1802]" fontSize="5" pageId="30" pageNumber="31">st</superScript>
|
||
to 9
|
||
<superScript id="7C4AAE5D6909516BFB3AF972C3C6F881" attach="left" box="[1168,1181,1789,1802]" fontSize="5" pageId="30" pageNumber="31">th</superScript>
|
||
row; ss, spinoscalids; tp, trichoscalid
|
||
<subScript id="17BB01506909516BFC4EF885C4A0F89C" attach="left" box="[996,1019,1802,1815]" fontSize="5" pageId="30" pageNumber="31">1–9</subScript>
|
||
plate; tr
|
||
<subScript id="17BB01506909516BFDB0F8ACC579F8BB" attach="left" box="[538,546,1827,1840]" fontSize="5" pageId="30" pageNumber="31">1</subScript>
|
||
, single trichoscalid; tr
|
||
<subScript id="17BB01506909516BFD71F8ACC5B8F8BB" attach="left" box="[731,739,1827,1840]" fontSize="5" pageId="30" pageNumber="31">2</subScript>
|
||
, double trichoscalid.
|
||
</paragraph>
|
||
<paragraph id="8B8003156909516BFE70F8CBC42AF8DC" blockId="30.[474,1536,1717,1879]" box="[474,881,1860,1879]" pageId="30" pageNumber="31">https://doi.org/10.1371/journal.pone.0250403.g019</paragraph>
|
||
</caption>
|
||
<paragraph id="8B8003156908516AFD9FFEB7C3CDFEF9" blockId="31.[533,1535,208,1098]" pageId="31" pageNumber="32">
|
||
The eighth row (sr
|
||
<subScript id="17BB01506908516AFD50FECDC45FFED9" attach="left" box="[762,772,322,338]" fontSize="7" pageId="31" pageNumber="32">8</subScript>
|
||
,
|
||
<figureCitation id="13041F906908516AFCA5FEB7C40BFEDB" box="[783,848,312,336]" captionStart="Fig 19" captionStartId="30.[474,502,1718,1737]" captionTargetBox="[477,1533,195,1693]" captionTargetId="figure-3@30.[474,1536,192,1696]" captionTargetPageId="30" captionText="Fig 19. Schematic diagrams of the distribution of introvert and neck appendages in adult forms of Scutiloricus hugoi gen. et sp. nov. Note that for the sake of clarity sexual dimorphism of the clavoscalids is not depicted. The shaded area indicates the neck region. (A) Polar diagram. (B) Planar projection. Abbreviations: bp, basal plate; cs, clavoscalid; MD, middorsal line; MV, midventral line; mv bp, midventral pair of basal plates; sr, scalids of 1st to 9th row; ss, spinoscalids; tp, trichoscalid 1–9 plate; tr1, single trichoscalid; tr2, double trichoscalid. https://doi.org/10.1371/journal.pone.0250403.g019" figureDoi="http://doi.org/10.5281/zenodo.13151781" httpUri="https://zenodo.org/record/13151781/files/figure.png" pageId="31" pageNumber="32">Fig 19</figureCitation>
|
||
) consists of 30 unsegmented whip-like spinoscalids with a small conical base (
|
||
<figureCitation id="13041F906908516AFD0EFED5C5BEFEF9" box="[676,741,346,370]" captionStart="Fig 16" captionStartId="26.[475,503,1670,1689]" captionTargetBox="[478,1529,222,1645]" captionTargetId="figure-3@26.[475,1536,208,1648]" captionTargetPageId="26" captionText="Fig 16. Line art drawing of the adult female habitus of Scutiloricus hugoi gen. et sp. nov. Ventral view, anterior faces up. Note that only a selected number of scalids from rows 2 to 8 are represented for clarity. Abbreviations: ac, anal cone; af, anal field; ag?, putative adhesive gland; bp, basal plate; bu, buccal tube; cr, cuticularized triangular ridge; cs, clavoscalid; dlp, dorsolateral plate; fu, oral furca; gl?, putative gland outlet; in, introvert; lo, lorica; mc, mouth cone; mo, mouth aperture; mt, mouth tube; ne, neck; or, oral ridges of type 1 and 2; ov, ovary; ser, seminal receptacle; sr, spinoscalids of 2nd to 9th row; 1/2 2–9 sp (and arrowheads), anterior spike; su, anal field spurs; tp, trichoscalid plate; tr1, single trichoscalid; tr2, double trichoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g016" figureDoi="http://doi.org/10.5281/zenodo.13151773" httpUri="https://zenodo.org/record/13151773/files/figure.png" pageId="31" pageNumber="32">Fig 16</figureCitation>
|
||
). These segments terminate as a thin tip.
|
||
</paragraph>
|
||
<paragraph id="8B8003156908516AFD9FFEF2C4A8FE33" blockId="31.[533,1535,208,1098]" pageId="31" pageNumber="32">
|
||
The ninth row (sr
|
||
<subScript id="17BB01506908516AFD5BFE08C5A1FE1C" attach="left" box="[753,762,391,407]" fontSize="7" pageId="31" pageNumber="32">9</subScript>
|
||
,
|
||
<figureCitation id="13041F906908516AFCADFEF2C41CFE1E" box="[775,839,381,405]" captionStart="Fig 19" captionStartId="30.[474,502,1718,1737]" captionTargetBox="[477,1533,195,1693]" captionTargetId="figure-3@30.[474,1536,192,1696]" captionTargetPageId="30" captionText="Fig 19. Schematic diagrams of the distribution of introvert and neck appendages in adult forms of Scutiloricus hugoi gen. et sp. nov. Note that for the sake of clarity sexual dimorphism of the clavoscalids is not depicted. The shaded area indicates the neck region. (A) Polar diagram. (B) Planar projection. Abbreviations: bp, basal plate; cs, clavoscalid; MD, middorsal line; MV, midventral line; mv bp, midventral pair of basal plates; sr, scalids of 1st to 9th row; ss, spinoscalids; tp, trichoscalid 1–9 plate; tr1, single trichoscalid; tr2, double trichoscalid. https://doi.org/10.1371/journal.pone.0250403.g019" figureDoi="http://doi.org/10.5281/zenodo.13151781" httpUri="https://zenodo.org/record/13151781/files/figure.png" pageId="31" pageNumber="32">Fig 19</figureCitation>
|
||
) consists of 30 very short, plate-like scalids with an oval shape and several minute teeth (
|
||
<figureCitation id="13041F906908516AFC8CFE2FC4DFFE33" box="[806,900,416,440]" captionStart="Fig 15" captionStartId="25.[533,561,1706,1725]" captionTargetBox="[536,1526,190,1688]" captionTargetId="figure-3@25.[533,1532,187,1691]" captionTargetPageId="25" captionText="Fig 15. Light micrographs of the holotypic adult female of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects.(A) Overview of the extended specimen, with focus on the internal buccal tube (bu). Double-headed arrow points to large pores (gland outlets?) situated on the posterior region of the ventral plate. (B) Ventral view of the specimen. (C) Close-up of the introvert, neck and anterior region of the lorica, ventral view. Note the fenestrated aspect of the anterior spikes (sp). (D) Close-up of the anal field. (E) Dorsal view of the extended specimen. Abbreviations: ac, anal cone; af, anal field; bp, basal plate; cs, clavoscalid; dlp, dorsolateral plate; dp, dorsal plate; in, introvert; lo, lorica; mt, mouth tube; oo, oocyte; sp, anterior spike; sr, spinoscalids of 8th or 9th row; ss spinoscalid; su, 8/9 anal field spurs tr, trichoscalid; vlp, ventrolateral plate; vp, ventral plate. https://doi.org/10.1371/journal.pone.0250403.g015" figureDoi="http://doi.org/10.5281/zenodo.13151771" httpUri="https://zenodo.org/record/13151771/files/figure.png" pageId="31" pageNumber="32">Figs 15C</figureCitation>
|
||
and
|
||
<figureCitation id="13041F906908516AFC12FE2FC4B8FE33" box="[952,995,416,440]" captionStart="Fig 18" captionStartId="28.[416,444,1727,1746]" captionTargetBox="[419,1533,211,1709]" captionTargetId="figure-1@28.[416,1536,208,1712]" captionTargetPageId="28" captionText="Fig 18. Light micrographs of the allotypic adult male of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects. (A) Overview of the extended specimen, dorsal view. (B) Anterior region of the body, ventral view. (C) Close-up of the anterior spikes of the dorsal and dorsolateral plates. Note the fenestrated aspect of the anterior spikes (arrowheads). (D) Introvert, neck and anterior region of the abdomen; ventral view. (E) Posterior region of the lorica, dorsal view. Note the putative gonopores (go?) located in the posteriormost region of the dorsolateral plates. (F) Posterior region of the lorica, ventral view. Double-headed arrow points to large pore (gland outlet?) situated in the posterior region of the ventral plate. Double arrowheads indicate an anal field spur." figureDoi="http://doi.org/10.5281/zenodo.13151779" httpUri="https://zenodo.org/record/13151779/files/figure.png" pageId="31" pageNumber="32">18C</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8B8003156908516AFD9FFE4DC4C6FC69" blockId="31.[533,1535,208,1098]" pageId="31" pageNumber="32">
|
||
<emphasis id="B94BDF076908516AFD9FFE4DC5CAFE52" box="[565,657,450,474]" italics="true" pageId="31" pageNumber="32">Neck (ne</emphasis>
|
||
;
|
||
<figureCitation id="13041F906908516AFD36FE4DC5BCFE51" box="[668,743,450,474]" captionStart="Fig 16" captionStartId="26.[475,503,1670,1689]" captionTargetBox="[478,1529,222,1645]" captionTargetId="figure-3@26.[475,1536,208,1648]" captionTargetPageId="26" captionText="Fig 16. Line art drawing of the adult female habitus of Scutiloricus hugoi gen. et sp. nov. Ventral view, anterior faces up. Note that only a selected number of scalids from rows 2 to 8 are represented for clarity. Abbreviations: ac, anal cone; af, anal field; ag?, putative adhesive gland; bp, basal plate; bu, buccal tube; cr, cuticularized triangular ridge; cs, clavoscalid; dlp, dorsolateral plate; fu, oral furca; gl?, putative gland outlet; in, introvert; lo, lorica; mc, mouth cone; mo, mouth aperture; mt, mouth tube; ne, neck; or, oral ridges of type 1 and 2; ov, ovary; ser, seminal receptacle; sr, spinoscalids of 2nd to 9th row; 1/2 2–9 sp (and arrowheads), anterior spike; su, anal field spurs; tp, trichoscalid plate; tr1, single trichoscalid; tr2, double trichoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g016" figureDoi="http://doi.org/10.5281/zenodo.13151773" httpUri="https://zenodo.org/record/13151773/files/figure.png" pageId="31" pageNumber="32">Figs 16</figureCitation>
|
||
<emphasis id="B94BDF076908516AFD47FE4DC44DFE51" box="[749,790,450,474]" italics="true" pageId="31" pageNumber="32">and</emphasis>
|
||
<figureCitation id="13041F906908516AFCB1FE4DC46FFE51" box="[795,820,450,474]" captionStart="Fig 19" captionStartId="30.[474,502,1718,1737]" captionTargetBox="[477,1533,195,1693]" captionTargetId="figure-3@30.[474,1536,192,1696]" captionTargetPageId="30" captionText="Fig 19. Schematic diagrams of the distribution of introvert and neck appendages in adult forms of Scutiloricus hugoi gen. et sp. nov. Note that for the sake of clarity sexual dimorphism of the clavoscalids is not depicted. The shaded area indicates the neck region. (A) Polar diagram. (B) Planar projection. Abbreviations: bp, basal plate; cs, clavoscalid; MD, middorsal line; MV, midventral line; mv bp, midventral pair of basal plates; sr, scalids of 1st to 9th row; ss, spinoscalids; tp, trichoscalid 1–9 plate; tr1, single trichoscalid; tr2, double trichoscalid. https://doi.org/10.1371/journal.pone.0250403.g019" figureDoi="http://doi.org/10.5281/zenodo.13151781" httpUri="https://zenodo.org/record/13151781/files/figure.png" pageId="31" pageNumber="32">19</figureCitation>
|
||
<emphasis id="B94BDF076908516AFC9EFE4DC466FE52" box="[820,829,450,473]" italics="true" pageId="31" pageNumber="32">)</emphasis>
|
||
. Appears accordion-shaped due to the presence of several rows (up to six) of neck flat plates, which are divided into columns by longitudinal folds. In the most anterior neck region, a row of 15 small trapezoid basal plates (bp;
|
||
<figureCitation id="13041F906908516AFAACFD87C21CFDAB" box="[1286,1351,520,544]" captionStart="Fig 16" captionStartId="26.[475,503,1670,1689]" captionTargetBox="[478,1529,222,1645]" captionTargetId="figure-3@26.[475,1536,208,1648]" captionTargetPageId="26" captionText="Fig 16. Line art drawing of the adult female habitus of Scutiloricus hugoi gen. et sp. nov. Ventral view, anterior faces up. Note that only a selected number of scalids from rows 2 to 8 are represented for clarity. Abbreviations: ac, anal cone; af, anal field; ag?, putative adhesive gland; bp, basal plate; bu, buccal tube; cr, cuticularized triangular ridge; cs, clavoscalid; dlp, dorsolateral plate; fu, oral furca; gl?, putative gland outlet; in, introvert; lo, lorica; mc, mouth cone; mo, mouth aperture; mt, mouth tube; ne, neck; or, oral ridges of type 1 and 2; ov, ovary; ser, seminal receptacle; sr, spinoscalids of 2nd to 9th row; 1/2 2–9 sp (and arrowheads), anterior spike; su, anal field spurs; tp, trichoscalid plate; tr1, single trichoscalid; tr2, double trichoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g016" figureDoi="http://doi.org/10.5281/zenodo.13151773" httpUri="https://zenodo.org/record/13151773/files/figure.png" pageId="31" pageNumber="32">Fig 16</figureCitation>
|
||
) is situated immediately under the ninth row of spinoscalids (
|
||
<figureCitation id="13041F906908516AFB8FFDA5C3D8FDC9" box="[1061,1155,554,578]" captionStart="Fig 15" captionStartId="25.[533,561,1706,1725]" captionTargetBox="[536,1526,190,1688]" captionTargetId="figure-3@25.[533,1532,187,1691]" captionTargetPageId="25" captionText="Fig 15. Light micrographs of the holotypic adult female of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects.(A) Overview of the extended specimen, with focus on the internal buccal tube (bu). Double-headed arrow points to large pores (gland outlets?) situated on the posterior region of the ventral plate. (B) Ventral view of the specimen. (C) Close-up of the introvert, neck and anterior region of the lorica, ventral view. Note the fenestrated aspect of the anterior spikes (sp). (D) Close-up of the anal field. (E) Dorsal view of the extended specimen. Abbreviations: ac, anal cone; af, anal field; bp, basal plate; cs, clavoscalid; dlp, dorsolateral plate; dp, dorsal plate; in, introvert; lo, lorica; mt, mouth tube; oo, oocyte; sp, anterior spike; sr, spinoscalids of 8th or 9th row; ss spinoscalid; su, 8/9 anal field spurs tr, trichoscalid; vlp, ventrolateral plate; vp, ventral plate. https://doi.org/10.1371/journal.pone.0250403.g015" figureDoi="http://doi.org/10.5281/zenodo.13151771" httpUri="https://zenodo.org/record/13151771/files/figure.png" pageId="31" pageNumber="32">Figs 15C</figureCitation>
|
||
and
|
||
<figureCitation id="13041F906908516AFB12FDA5C38AFDC9" box="[1208,1233,554,578]" captionStart="Fig 16" captionStartId="26.[475,503,1670,1689]" captionTargetBox="[478,1529,222,1645]" captionTargetId="figure-3@26.[475,1536,208,1648]" captionTargetPageId="26" captionText="Fig 16. Line art drawing of the adult female habitus of Scutiloricus hugoi gen. et sp. nov. Ventral view, anterior faces up. Note that only a selected number of scalids from rows 2 to 8 are represented for clarity. Abbreviations: ac, anal cone; af, anal field; ag?, putative adhesive gland; bp, basal plate; bu, buccal tube; cr, cuticularized triangular ridge; cs, clavoscalid; dlp, dorsolateral plate; fu, oral furca; gl?, putative gland outlet; in, introvert; lo, lorica; mc, mouth cone; mo, mouth aperture; mt, mouth tube; ne, neck; or, oral ridges of type 1 and 2; ov, ovary; ser, seminal receptacle; sr, spinoscalids of 2nd to 9th row; 1/2 2–9 sp (and arrowheads), anterior spike; su, anal field spurs; tp, trichoscalid plate; tr1, single trichoscalid; tr2, double trichoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g016" figureDoi="http://doi.org/10.5281/zenodo.13151773" httpUri="https://zenodo.org/record/13151773/files/figure.png" pageId="31" pageNumber="32">16</figureCitation>
|
||
). Thirteen of these basal plates are identical, with the posterior side slightly longer than the anterior side (bp;
|
||
<figureCitation id="13041F906908516AFA25FDC2C294FDEE" box="[1423,1487,589,613]" captionStart="Fig 19" captionStartId="30.[474,502,1718,1737]" captionTargetBox="[477,1533,195,1693]" captionTargetId="figure-3@30.[474,1536,192,1696]" captionTargetPageId="30" captionText="Fig 19. Schematic diagrams of the distribution of introvert and neck appendages in adult forms of Scutiloricus hugoi gen. et sp. nov. Note that for the sake of clarity sexual dimorphism of the clavoscalids is not depicted. The shaded area indicates the neck region. (A) Polar diagram. (B) Planar projection. Abbreviations: bp, basal plate; cs, clavoscalid; MD, middorsal line; MV, midventral line; mv bp, midventral pair of basal plates; sr, scalids of 1st to 9th row; ss, spinoscalids; tp, trichoscalid 1–9 plate; tr1, single trichoscalid; tr2, double trichoscalid. https://doi.org/10.1371/journal.pone.0250403.g019" figureDoi="http://doi.org/10.5281/zenodo.13151781" httpUri="https://zenodo.org/record/13151781/files/figure.png" pageId="31" pageNumber="32">Fig 19</figureCitation>
|
||
). The two midventral plates, however, have the posterior side shorter than the anterior side (mv bp;
|
||
<figureCitation id="13041F906908516AFD97FD1DC526FD21" box="[573,637,658,682]" captionStart="Fig 19" captionStartId="30.[474,502,1718,1737]" captionTargetBox="[477,1533,195,1693]" captionTargetId="figure-3@30.[474,1536,192,1696]" captionTargetPageId="30" captionText="Fig 19. Schematic diagrams of the distribution of introvert and neck appendages in adult forms of Scutiloricus hugoi gen. et sp. nov. Note that for the sake of clarity sexual dimorphism of the clavoscalids is not depicted. The shaded area indicates the neck region. (A) Polar diagram. (B) Planar projection. Abbreviations: bp, basal plate; cs, clavoscalid; MD, middorsal line; MV, midventral line; mv bp, midventral pair of basal plates; sr, scalids of 1st to 9th row; ss, spinoscalids; tp, trichoscalid 1–9 plate; tr1, single trichoscalid; tr2, double trichoscalid. https://doi.org/10.1371/journal.pone.0250403.g019" figureDoi="http://doi.org/10.5281/zenodo.13151781" httpUri="https://zenodo.org/record/13151781/files/figure.png" pageId="31" pageNumber="32">Fig 19</figureCitation>
|
||
). All basal plates are characterized by two rows of ca. 3 minute teeth and each plate is situated anteromedially on a neck flat plate. The posterior region of the neck is characterized by 15 trichoscalids (tr) arranged radially: 8 single (tr
|
||
<subScript id="17BB01506908516AFB91FD6DC31EFD79" attach="left" box="[1083,1093,738,754]" fontSize="7" pageId="31" pageNumber="32">1</subScript>
|
||
) alternating with 7 double trichoscalids (tr
|
||
<subScript id="17BB01506908516AFD9AFC8AC561FC9E" attach="left" box="[560,570,773,789]" fontSize="7" pageId="31" pageNumber="32">2</subScript>
|
||
). The trichoscalids are all flat and characterized by a central ridge, serrated margins and a blunt tip (
|
||
<figureCitation id="13041F906908516AFDD4FC92C591FCBE" box="[638,714,797,821]" captionStart="Fig 15" captionStartId="25.[533,561,1706,1725]" captionTargetBox="[536,1526,190,1688]" captionTargetId="figure-3@25.[533,1532,187,1691]" captionTargetPageId="25" captionText="Fig 15. Light micrographs of the holotypic adult female of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects.(A) Overview of the extended specimen, with focus on the internal buccal tube (bu). Double-headed arrow points to large pores (gland outlets?) situated on the posterior region of the ventral plate. (B) Ventral view of the specimen. (C) Close-up of the introvert, neck and anterior region of the lorica, ventral view. Note the fenestrated aspect of the anterior spikes (sp). (D) Close-up of the anal field. (E) Dorsal view of the extended specimen. Abbreviations: ac, anal cone; af, anal field; bp, basal plate; cs, clavoscalid; dlp, dorsolateral plate; dp, dorsal plate; in, introvert; lo, lorica; mt, mouth tube; oo, oocyte; sp, anterior spike; sr, spinoscalids of 8th or 9th row; ss spinoscalid; su, 8/9 anal field spurs tr, trichoscalid; vlp, ventrolateral plate; vp, ventral plate. https://doi.org/10.1371/journal.pone.0250403.g015" figureDoi="http://doi.org/10.5281/zenodo.13151771" httpUri="https://zenodo.org/record/13151771/files/figure.png" pageId="31" pageNumber="32">Figs 15</figureCitation>
|
||
,
|
||
<figureCitation id="13041F906908516AFD7CFC92C5B4FCBE" box="[726,751,797,821]" captionStart="Fig 16" captionStartId="26.[475,503,1670,1689]" captionTargetBox="[478,1529,222,1645]" captionTargetId="figure-3@26.[475,1536,208,1648]" captionTargetPageId="26" captionText="Fig 16. Line art drawing of the adult female habitus of Scutiloricus hugoi gen. et sp. nov. Ventral view, anterior faces up. Note that only a selected number of scalids from rows 2 to 8 are represented for clarity. Abbreviations: ac, anal cone; af, anal field; ag?, putative adhesive gland; bp, basal plate; bu, buccal tube; cr, cuticularized triangular ridge; cs, clavoscalid; dlp, dorsolateral plate; fu, oral furca; gl?, putative gland outlet; in, introvert; lo, lorica; mc, mouth cone; mo, mouth aperture; mt, mouth tube; ne, neck; or, oral ridges of type 1 and 2; ov, ovary; ser, seminal receptacle; sr, spinoscalids of 2nd to 9th row; 1/2 2–9 sp (and arrowheads), anterior spike; su, anal field spurs; tp, trichoscalid plate; tr1, single trichoscalid; tr2, double trichoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g016" figureDoi="http://doi.org/10.5281/zenodo.13151773" httpUri="https://zenodo.org/record/13151773/files/figure.png" pageId="31" pageNumber="32">16</figureCitation>
|
||
and
|
||
<figureCitation id="13041F906908516AFC8EFC92C466FCBE" box="[804,829,797,821]" captionStart="Fig 18" captionStartId="28.[416,444,1727,1746]" captionTargetBox="[419,1533,211,1709]" captionTargetId="figure-1@28.[416,1536,208,1712]" captionTargetPageId="28" captionText="Fig 18. Light micrographs of the allotypic adult male of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects. (A) Overview of the extended specimen, dorsal view. (B) Anterior region of the body, ventral view. (C) Close-up of the anterior spikes of the dorsal and dorsolateral plates. Note the fenestrated aspect of the anterior spikes (arrowheads). (D) Introvert, neck and anterior region of the abdomen; ventral view. (E) Posterior region of the lorica, dorsal view. Note the putative gonopores (go?) located in the posteriormost region of the dorsolateral plates. (F) Posterior region of the lorica, ventral view. Double-headed arrow points to large pore (gland outlet?) situated in the posterior region of the ventral plate. Double arrowheads indicate an anal field spur." figureDoi="http://doi.org/10.5281/zenodo.13151779" httpUri="https://zenodo.org/record/13151779/files/figure.png" pageId="31" pageNumber="32">18</figureCitation>
|
||
). The upper appendages of the double trichoscalids are approximately one-fourth longer than those of the lower appendages. The single trichoscalids are slightly shorter than the upper appendages of the double trichoscalids. Both the single and each appendage of the double trichoscalids protrude from a single trichoscalid plate (tp) with a pentagonal shape. However, each single trichoscalid composing the midventral pair protrudes from a rectangular trichoscalid plate.
|
||
</paragraph>
|
||
<paragraph id="8B8003156908516AFD9FFC62C21DFB8E" blockId="31.[533,1535,208,1098]" box="[565,1350,1005,1029]" pageId="31" pageNumber="32">Summing up, the number of head and neck appendages (cs = clavoscalids,</paragraph>
|
||
<paragraph id="8B8003156908516AFDBFFB9FC534FBC1" blockId="31.[533,1535,208,1098]" pageId="31" pageNumber="32">
|
||
ss = spinoscalids, tp = trichoscalid plates, tr = trichoscalids) is given in the following formula (
|
||
<figureCitation id="13041F906908516AFDB4FBBDC504FBC1" box="[542,607,1074,1098]" captionStart="Fig 19" captionStartId="30.[474,502,1718,1737]" captionTargetBox="[477,1533,195,1693]" captionTargetId="figure-3@30.[474,1536,192,1696]" captionTargetPageId="30" captionText="Fig 19. Schematic diagrams of the distribution of introvert and neck appendages in adult forms of Scutiloricus hugoi gen. et sp. nov. Note that for the sake of clarity sexual dimorphism of the clavoscalids is not depicted. The shaded area indicates the neck region. (A) Polar diagram. (B) Planar projection. Abbreviations: bp, basal plate; cs, clavoscalid; MD, middorsal line; MV, midventral line; mv bp, midventral pair of basal plates; sr, scalids of 1st to 9th row; ss, spinoscalids; tp, trichoscalid 1–9 plate; tr1, single trichoscalid; tr2, double trichoscalid. https://doi.org/10.1371/journal.pone.0250403.g019" figureDoi="http://doi.org/10.5281/zenodo.13151781" httpUri="https://zenodo.org/record/13151781/files/figure.png" pageId="31" pageNumber="32">Fig 19</figureCitation>
|
||
):
|
||
</paragraph>
|
||
<paragraph id="8B8003156908516AFDFBFBE4C29FFB08" blockId="31.[593,1476,1131,1158]" box="[593,1476,1131,1158]" pageId="31" pageNumber="32">
|
||
Introvert: 8 cs; 9 sr
|
||
<subScript id="17BB01506908516AFC9CFBF7C465FB0D" attach="left" box="[822,830,1144,1158]" fontSize="6" pageId="31" pageNumber="32">2</subScript>
|
||
; 7 sr
|
||
<subScript id="17BB01506908516AFC2BFBF7C4D2FB0D" attach="left" box="[897,905,1144,1158]" fontSize="6" pageId="31" pageNumber="32">3</subScript>
|
||
;
|
||
<quantity id="4CC7AEF06908516AFC0BFBE4C492FB08" box="[929,969,1131,1155]" metricMagnitude="3" metricUnit="kg" metricValue="8.0" pageId="31" pageNumber="32" unit="t" value="8.0">
|
||
8
|
||
<emphasis id="B94BDF076908516AFC1EFBE4C492FB08" bold="true" box="[948,969,1131,1155]" pageId="31" pageNumber="32">þ</emphasis>
|
||
</quantity>
|
||
8 sr
|
||
<subScript id="17BB01506908516AFC50FBF7C359FB0D" attach="left" box="[1018,1026,1144,1158]" fontSize="6" pageId="31" pageNumber="32">4</subScript>
|
||
; 30 sr
|
||
<subScript id="17BB01506908516AFBF8FBF7C301FB0D" attach="left" box="[1106,1114,1144,1158]" fontSize="6" pageId="31" pageNumber="32">5</subScript>
|
||
; 30 sr
|
||
<subScript id="17BB01506908516AFB01FBF7C3E8FB0D" attach="left" box="[1195,1203,1144,1158]" fontSize="6" pageId="31" pageNumber="32">6</subScript>
|
||
; 30 sr
|
||
<subScript id="17BB01506908516AFAA9FBF7C250FB0D" attach="left" box="[1283,1291,1144,1158]" fontSize="6" pageId="31" pageNumber="32">7</subScript>
|
||
; 30 sr
|
||
<subScript id="17BB01506908516AFAF6FBF7C23FFB0D" attach="left" box="[1372,1380,1144,1158]" fontSize="6" pageId="31" pageNumber="32">8</subScript>
|
||
; 30 sr
|
||
<subScript id="17BB01506908516AFA1EFBF7C2E7FB0D" attach="left" box="[1460,1468,1144,1158]" fontSize="6" pageId="31" pageNumber="32">9</subScript>
|
||
;
|
||
</paragraph>
|
||
<paragraph id="8B8003156908516AFD30FB4FC227FB52" blockId="31.[666,1404,1216,1244]" box="[666,1404,1216,1244]" pageId="31" pageNumber="32">
|
||
Neck: 13 bp
|
||
<emphasis id="B94BDF076908516AFC84FB4EC418FB52" bold="true" box="[814,835,1217,1241]" pageId="31" pageNumber="32">þ</emphasis>
|
||
2 mv bp;
|
||
<quantity id="4CC7AEF06908516AFC15FB4EC4BCFB52" box="[959,999,1217,1241]" metricMagnitude="3" metricUnit="kg" metricValue="8.0" pageId="31" pageNumber="32" unit="t" value="8.0">
|
||
8
|
||
<emphasis id="B94BDF076908516AFC78FB4EC4BCFB52" bold="true" box="[978,999,1217,1241]" pageId="31" pageNumber="32">þ</emphasis>
|
||
</quantity>
|
||
14 tp; 8 tr
|
||
<subScript id="17BB01506908516AFBC2FB41C32BFB57" attach="both" box="[1128,1136,1230,1244]" fontSize="6" pageId="31" pageNumber="32">1</subScript>
|
||
<emphasis id="B94BDF076908516AFBDBFB4EC320FB52" bold="true" box="[1137,1147,1217,1241]" pageId="31" pageNumber="32">ð</emphasis>
|
||
single
|
||
<emphasis id="B94BDF076908516AFB13FB4EC385FB52" bold="true" box="[1209,1246,1217,1241]" pageId="31" pageNumber="32">Þ þ</emphasis>
|
||
7 tr
|
||
<subScript id="17BB01506908516AFAA4FB41C24DFB57" attach="both" box="[1294,1302,1230,1244]" fontSize="6" pageId="31" pageNumber="32">2</subScript>
|
||
<emphasis id="B94BDF076908516AFABDFB4EC27AFB52" bold="true" box="[1303,1313,1217,1241]" pageId="31" pageNumber="32">ð</emphasis>
|
||
double
|
||
<emphasis id="B94BDF076908516AFAC1FB4EC227FB52" bold="true" box="[1387,1404,1217,1241]" pageId="31" pageNumber="32">Þ:</emphasis>
|
||
</paragraph>
|
||
<paragraph id="8B8003156908516AFD9FFA8CC2FAFA90" blockId="31.[533,1536,1283,1897]" box="[565,1441,1283,1307]" pageId="31" pageNumber="32">
|
||
<emphasis id="B94BDF076908516AFD9FFA8CC5D9FA90" box="[565,642,1283,1307]" italics="true" pageId="31" pageNumber="32">Thorax</emphasis>
|
||
. Short, surrounded by the lorica; without any appendages or segmentation.
|
||
</paragraph>
|
||
<paragraph id="8B8003156908516AFD9FFAA9C594F9FD" blockId="31.[533,1536,1283,1897]" pageId="31" pageNumber="32">
|
||
<emphasis id="B94BDF076908516AFD9FFAA9C5C0FAB5" box="[565,667,1318,1342]" italics="true" pageId="31" pageNumber="32">Abdomen</emphasis>
|
||
. Enclosed in a square lorica (lo;
|
||
<figureCitation id="13041F906908516AFC5BFAA9C339FAB5" box="[1009,1122,1318,1342]" captionStart-0="Fig 15" captionStart-1="Fig 16" captionStart-2="Fig 17" captionStart-3="Fig 18" captionStartId-0="25.[533,561,1706,1725]" captionStartId-1="26.[475,503,1670,1689]" captionStartId-2="27.[481,509,1734,1753]" captionStartId-3="28.[416,444,1727,1746]" captionTargetBox-0="[536,1526,190,1688]" captionTargetBox-1="[478,1529,222,1645]" captionTargetBox-2="[484,1533,211,1709]" captionTargetBox-3="[419,1533,211,1709]" captionTargetId-0="figure-3@25.[533,1532,187,1691]" captionTargetId-1="figure-3@26.[475,1536,208,1648]" captionTargetId-2="figure-3@27.[481,1536,208,1712]" captionTargetId-3="figure-1@28.[416,1536,208,1712]" captionTargetPageId-0="25" captionTargetPageId-1="26" captionTargetPageId-2="27" captionTargetPageId-3="28" captionText-0="Fig 15. Light micrographs of the holotypic adult female of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects.(A) Overview of the extended specimen, with focus on the internal buccal tube (bu). Double-headed arrow points to large pores (gland outlets?) situated on the posterior region of the ventral plate. (B) Ventral view of the specimen. (C) Close-up of the introvert, neck and anterior region of the lorica, ventral view. Note the fenestrated aspect of the anterior spikes (sp). (D) Close-up of the anal field. (E) Dorsal view of the extended specimen. Abbreviations: ac, anal cone; af, anal field; bp, basal plate; cs, clavoscalid; dlp, dorsolateral plate; dp, dorsal plate; in, introvert; lo, lorica; mt, mouth tube; oo, oocyte; sp, anterior spike; sr, spinoscalids of 8th or 9th row; ss spinoscalid; su, 8/9 anal field spurs tr, trichoscalid; vlp, ventrolateral plate; vp, ventral plate. https://doi.org/10.1371/journal.pone.0250403.g015" captionText-1="Fig 16. Line art drawing of the adult female habitus of Scutiloricus hugoi gen. et sp. nov. Ventral view, anterior faces up. Note that only a selected number of scalids from rows 2 to 8 are represented for clarity. Abbreviations: ac, anal cone; af, anal field; ag?, putative adhesive gland; bp, basal plate; bu, buccal tube; cr, cuticularized triangular ridge; cs, clavoscalid; dlp, dorsolateral plate; fu, oral furca; gl?, putative gland outlet; in, introvert; lo, lorica; mc, mouth cone; mo, mouth aperture; mt, mouth tube; ne, neck; or, oral ridges of type 1 and 2; ov, ovary; ser, seminal receptacle; sr, spinoscalids of 2nd to 9th row; 1/2 2–9 sp (and arrowheads), anterior spike; su, anal field spurs; tp, trichoscalid plate; tr1, single trichoscalid; tr2, double trichoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g016" captionText-2="Fig 17. Light micrographs of a paratypic adult female of Scutiloricus hugoi gen. et sp. nov. (A) Overview of the fully extended specimen, anterior faces up. Note the presence of a large oocyte (oo) and two seminal receptacles (ser). (B) Close up of the oocyte and the two seminal receptacles (arrowheads). (C) Close up of the posterior region of the lorica. Note the linear arrangement of the four flosculi (black double arrowheads) on each dorsolateral plate (dlp) and the two flosculi (white double arrowheads) located medially on the dorsal plate (dp). Abbreviations: cs, clavoscalids; in, introvert; lo, lorica; mc, mouth cone; mt, mouth tube; sp, anterior spike; ss, spinoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g017" captionText-3="Fig 18. Light micrographs of the allotypic adult male of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects. (A) Overview of the extended specimen, dorsal view. (B) Anterior region of the body, ventral view. (C) Close-up of the anterior spikes of the dorsal and dorsolateral plates. Note the fenestrated aspect of the anterior spikes (arrowheads). (D) Introvert, neck and anterior region of the abdomen; ventral view. (E) Posterior region of the lorica, dorsal view. Note the putative gonopores (go?) located in the posteriormost region of the dorsolateral plates. (F) Posterior region of the lorica, ventral view. Double-headed arrow points to large pore (gland outlet?) situated in the posterior region of the ventral plate. Double arrowheads indicate an anal field spur." figureDoi-0="http://doi.org/10.5281/zenodo.13151771" figureDoi-1="http://doi.org/10.5281/zenodo.13151773" figureDoi-2="http://doi.org/10.5281/zenodo.13151775" figureDoi-3="http://doi.org/10.5281/zenodo.13151779" httpUri-0="https://zenodo.org/record/13151771/files/figure.png" httpUri-1="https://zenodo.org/record/13151773/files/figure.png" httpUri-2="https://zenodo.org/record/13151775/files/figure.png" httpUri-3="https://zenodo.org/record/13151779/files/figure.png" pageId="31" pageNumber="32">Figs 15–18</figureCitation>
|
||
), composed of six cuticularized plates with honeycomb sculpture: one ventral, two ventrolateral, two dorsolateral and one dorsal. The ventral, ventrolateral and dorsolateral plates each possess two robust anterior spikes (sp), whereas the dorsal plate has four. In total, the anterior edge of the lorica thus has 14 large spikes. One of the lateral spikes on each side of the animal is relatively large, whereas the other spikes are of equal length. Except for these larger lateral spikes, all anterior spikes are characterized by 3–4 cuticular transverse ridges, which give the spikes a fenestrated appearance (
|
||
<figureCitation id="13041F906908516AFA60FA79C565F9BA" captionStart="Fig 15" captionStartId="25.[533,561,1706,1725]" captionTargetBox="[536,1526,190,1688]" captionTargetId="figure-3@25.[533,1532,187,1691]" captionTargetPageId="25" captionText="Fig 15. Light micrographs of the holotypic adult female of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects.(A) Overview of the extended specimen, with focus on the internal buccal tube (bu). Double-headed arrow points to large pores (gland outlets?) situated on the posterior region of the ventral plate. (B) Ventral view of the specimen. (C) Close-up of the introvert, neck and anterior region of the lorica, ventral view. Note the fenestrated aspect of the anterior spikes (sp). (D) Close-up of the anal field. (E) Dorsal view of the extended specimen. Abbreviations: ac, anal cone; af, anal field; bp, basal plate; cs, clavoscalid; dlp, dorsolateral plate; dp, dorsal plate; in, introvert; lo, lorica; mt, mouth tube; oo, oocyte; sp, anterior spike; sr, spinoscalids of 8th or 9th row; ss spinoscalid; su, 8/9 anal field spurs tr, trichoscalid; vlp, ventrolateral plate; vp, ventral plate. https://doi.org/10.1371/journal.pone.0250403.g015" figureDoi="http://doi.org/10.5281/zenodo.13151771" httpUri="https://zenodo.org/record/13151771/files/figure.png" pageId="31" pageNumber="32">Figs 15B</figureCitation>
|
||
,
|
||
<figureCitation id="13041F906908516AFDE0F996C538F9BA" box="[586,611,1561,1585]" captionStart="Fig 16" captionStartId="26.[475,503,1670,1689]" captionTargetBox="[478,1529,222,1645]" captionTargetId="figure-3@26.[475,1536,208,1648]" captionTargetPageId="26" captionText="Fig 16. Line art drawing of the adult female habitus of Scutiloricus hugoi gen. et sp. nov. Ventral view, anterior faces up. Note that only a selected number of scalids from rows 2 to 8 are represented for clarity. Abbreviations: ac, anal cone; af, anal field; ag?, putative adhesive gland; bp, basal plate; bu, buccal tube; cr, cuticularized triangular ridge; cs, clavoscalid; dlp, dorsolateral plate; fu, oral furca; gl?, putative gland outlet; in, introvert; lo, lorica; mc, mouth cone; mo, mouth aperture; mt, mouth tube; ne, neck; or, oral ridges of type 1 and 2; ov, ovary; ser, seminal receptacle; sr, spinoscalids of 2nd to 9th row; 1/2 2–9 sp (and arrowheads), anterior spike; su, anal field spurs; tp, trichoscalid plate; tr1, single trichoscalid; tr2, double trichoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g016" figureDoi="http://doi.org/10.5281/zenodo.13151773" httpUri="https://zenodo.org/record/13151773/files/figure.png" pageId="31" pageNumber="32">16</figureCitation>
|
||
,
|
||
<figureCitation id="13041F906908516AFDC5F996C5A0F9BA" box="[623,763,1561,1585]" captionStart="Fig 18" captionStartId="28.[416,444,1727,1746]" captionTargetBox="[419,1533,211,1709]" captionTargetId="figure-1@28.[416,1536,208,1712]" captionTargetPageId="28" captionText="Fig 18. Light micrographs of the allotypic adult male of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects. (A) Overview of the extended specimen, dorsal view. (B) Anterior region of the body, ventral view. (C) Close-up of the anterior spikes of the dorsal and dorsolateral plates. Note the fenestrated aspect of the anterior spikes (arrowheads). (D) Introvert, neck and anterior region of the abdomen; ventral view. (E) Posterior region of the lorica, dorsal view. Note the putative gonopores (go?) located in the posteriormost region of the dorsolateral plates. (F) Posterior region of the lorica, ventral view. Double-headed arrow points to large pore (gland outlet?) situated in the posterior region of the ventral plate. Double arrowheads indicate an anal field spur." figureDoi="http://doi.org/10.5281/zenodo.13151779" httpUri="https://zenodo.org/record/13151779/files/figure.png" pageId="31" pageNumber="32">18C and 18D</figureCitation>
|
||
). A midventral short spike is absent. Internally, the larger lateral spikes are characterized by a lateral reinforcement of thick cuticle with a triangle wave-shape (ws;
|
||
<figureCitation id="13041F906908516AFDBFF9D1C53BF9FD" box="[533,608,1630,1654]" captionStart="Fig 16" captionStartId="26.[475,503,1670,1689]" captionTargetBox="[478,1529,222,1645]" captionTargetId="figure-3@26.[475,1536,208,1648]" captionTargetPageId="26" captionText="Fig 16. Line art drawing of the adult female habitus of Scutiloricus hugoi gen. et sp. nov. Ventral view, anterior faces up. Note that only a selected number of scalids from rows 2 to 8 are represented for clarity. Abbreviations: ac, anal cone; af, anal field; ag?, putative adhesive gland; bp, basal plate; bu, buccal tube; cr, cuticularized triangular ridge; cs, clavoscalid; dlp, dorsolateral plate; fu, oral furca; gl?, putative gland outlet; in, introvert; lo, lorica; mc, mouth cone; mo, mouth aperture; mt, mouth tube; ne, neck; or, oral ridges of type 1 and 2; ov, ovary; ser, seminal receptacle; sr, spinoscalids of 2nd to 9th row; 1/2 2–9 sp (and arrowheads), anterior spike; su, anal field spurs; tp, trichoscalid plate; tr1, single trichoscalid; tr2, double trichoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g016" figureDoi="http://doi.org/10.5281/zenodo.13151773" httpUri="https://zenodo.org/record/13151773/files/figure.png" pageId="31" pageNumber="32">Figs 16</figureCitation>
|
||
and
|
||
<figureCitation id="13041F906908516AFD3EF9D1C59BF9FD" box="[660,704,1630,1654]" captionStart="Fig 17" captionStartId="27.[481,509,1734,1753]" captionTargetBox="[484,1533,211,1709]" captionTargetId="figure-3@27.[481,1536,208,1712]" captionTargetPageId="27" captionText="Fig 17. Light micrographs of a paratypic adult female of Scutiloricus hugoi gen. et sp. nov. (A) Overview of the fully extended specimen, anterior faces up. Note the presence of a large oocyte (oo) and two seminal receptacles (ser). (B) Close up of the oocyte and the two seminal receptacles (arrowheads). (C) Close up of the posterior region of the lorica. Note the linear arrangement of the four flosculi (black double arrowheads) on each dorsolateral plate (dlp) and the two flosculi (white double arrowheads) located medially on the dorsal plate (dp). Abbreviations: cs, clavoscalids; in, introvert; lo, lorica; mc, mouth cone; mt, mouth tube; sp, anterior spike; ss, spinoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g017" figureDoi="http://doi.org/10.5281/zenodo.13151775" httpUri="https://zenodo.org/record/13151775/files/figure.png" pageId="31" pageNumber="32">17A</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8B8003156908516AFD9FF90EC45AF88A" blockId="31.[533,1536,1283,1897]" pageId="31" pageNumber="32">
|
||
Posteriorly on each of the dorsolateral plates, a cluster of four flosculi (fl) is arranged in a transverse, almost linear pattern (
|
||
<figureCitation id="13041F906908516AFCD3F92CC490F930" box="[889,971,1699,1723]" captionStart="Fig 17" captionStartId="27.[481,509,1734,1753]" captionTargetBox="[484,1533,211,1709]" captionTargetId="figure-3@27.[481,1536,208,1712]" captionTargetPageId="27" captionText="Fig 17. Light micrographs of a paratypic adult female of Scutiloricus hugoi gen. et sp. nov. (A) Overview of the fully extended specimen, anterior faces up. Note the presence of a large oocyte (oo) and two seminal receptacles (ser). (B) Close up of the oocyte and the two seminal receptacles (arrowheads). (C) Close up of the posterior region of the lorica. Note the linear arrangement of the four flosculi (black double arrowheads) on each dorsolateral plate (dlp) and the two flosculi (white double arrowheads) located medially on the dorsal plate (dp). Abbreviations: cs, clavoscalids; in, introvert; lo, lorica; mc, mouth cone; mt, mouth tube; sp, anterior spike; ss, spinoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g017" figureDoi="http://doi.org/10.5281/zenodo.13151775" httpUri="https://zenodo.org/record/13151775/files/figure.png" pageId="31" pageNumber="32">Fig 17C</figureCitation>
|
||
). Additionally, two flosculi are situated on the most posterior region of the dorsal plate. These flosculi are arranged medially along the lorical longitudinal axis (
|
||
<figureCitation id="13041F906908516AFD35F966C5AAF88A" box="[671,753,1769,1793]" captionStart="Fig 17" captionStartId="27.[481,509,1734,1753]" captionTargetBox="[484,1533,211,1709]" captionTargetId="figure-3@27.[481,1536,208,1712]" captionTargetPageId="27" captionText="Fig 17. Light micrographs of a paratypic adult female of Scutiloricus hugoi gen. et sp. nov. (A) Overview of the fully extended specimen, anterior faces up. Note the presence of a large oocyte (oo) and two seminal receptacles (ser). (B) Close up of the oocyte and the two seminal receptacles (arrowheads). (C) Close up of the posterior region of the lorica. Note the linear arrangement of the four flosculi (black double arrowheads) on each dorsolateral plate (dlp) and the two flosculi (white double arrowheads) located medially on the dorsal plate (dp). Abbreviations: cs, clavoscalids; in, introvert; lo, lorica; mc, mouth cone; mt, mouth tube; sp, anterior spike; ss, spinoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g017" figureDoi="http://doi.org/10.5281/zenodo.13151775" httpUri="https://zenodo.org/record/13151775/files/figure.png" pageId="31" pageNumber="32">Fig 17C</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8B80031569085155FD9FF884C285FEF9" blockId="31.[533,1536,1283,1897]" lastBlockId="32.[533,1530,208,648]" lastPageId="32" lastPageNumber="33" pageId="31" pageNumber="32">
|
||
The most posterior region of the lorica is a slightly invaginated anal field (af,
|
||
<figureCitation id="13041F906908516AFACBF884C2E5F8A8" box="[1377,1470,1803,1827]" captionStart="Fig 15" captionStartId="25.[533,561,1706,1725]" captionTargetBox="[536,1526,190,1688]" captionTargetId="figure-3@25.[533,1532,187,1691]" captionTargetPageId="25" captionText="Fig 15. Light micrographs of the holotypic adult female of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects.(A) Overview of the extended specimen, with focus on the internal buccal tube (bu). Double-headed arrow points to large pores (gland outlets?) situated on the posterior region of the ventral plate. (B) Ventral view of the specimen. (C) Close-up of the introvert, neck and anterior region of the lorica, ventral view. Note the fenestrated aspect of the anterior spikes (sp). (D) Close-up of the anal field. (E) Dorsal view of the extended specimen. Abbreviations: ac, anal cone; af, anal field; bp, basal plate; cs, clavoscalid; dlp, dorsolateral plate; dp, dorsal plate; in, introvert; lo, lorica; mt, mouth tube; oo, oocyte; sp, anterior spike; sr, spinoscalids of 8th or 9th row; ss spinoscalid; su, 8/9 anal field spurs tr, trichoscalid; vlp, ventrolateral plate; vp, ventral plate. https://doi.org/10.1371/journal.pone.0250403.g015" figureDoi="http://doi.org/10.5281/zenodo.13151771" httpUri="https://zenodo.org/record/13151771/files/figure.png" pageId="31" pageNumber="32">Figs 15A</figureCitation>
|
||
,
|
||
<figureCitation id="13041F906908516AFA63F884C2B9F8A8" box="[1481,1506,1803,1827]" captionStart="Fig 16" captionStartId="26.[475,503,1670,1689]" captionTargetBox="[478,1529,222,1645]" captionTargetId="figure-3@26.[475,1536,208,1648]" captionTargetPageId="26" captionText="Fig 16. Line art drawing of the adult female habitus of Scutiloricus hugoi gen. et sp. nov. Ventral view, anterior faces up. Note that only a selected number of scalids from rows 2 to 8 are represented for clarity. Abbreviations: ac, anal cone; af, anal field; ag?, putative adhesive gland; bp, basal plate; bu, buccal tube; cr, cuticularized triangular ridge; cs, clavoscalid; dlp, dorsolateral plate; fu, oral furca; gl?, putative gland outlet; in, introvert; lo, lorica; mc, mouth cone; mo, mouth aperture; mt, mouth tube; ne, neck; or, oral ridges of type 1 and 2; ov, ovary; ser, seminal receptacle; sr, spinoscalids of 2nd to 9th row; 1/2 2–9 sp (and arrowheads), anterior spike; su, anal field spurs; tp, trichoscalid plate; tr1, single trichoscalid; tr2, double trichoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g016" figureDoi="http://doi.org/10.5281/zenodo.13151773" httpUri="https://zenodo.org/record/13151773/files/figure.png" pageId="31" pageNumber="32">16</figureCitation>
|
||
and
|
||
<figureCitation id="13041F906908516AFDE9F8A1C534F8CD" box="[579,623,1838,1862]" captionStart="Fig 18" captionStartId="28.[416,444,1727,1746]" captionTargetBox="[419,1533,211,1709]" captionTargetId="figure-1@28.[416,1536,208,1712]" captionTargetPageId="28" captionText="Fig 18. Light micrographs of the allotypic adult male of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects. (A) Overview of the extended specimen, dorsal view. (B) Anterior region of the body, ventral view. (C) Close-up of the anterior spikes of the dorsal and dorsolateral plates. Note the fenestrated aspect of the anterior spikes (arrowheads). (D) Introvert, neck and anterior region of the abdomen; ventral view. (E) Posterior region of the lorica, dorsal view. Note the putative gonopores (go?) located in the posteriormost region of the dorsolateral plates. (F) Posterior region of the lorica, ventral view. Double-headed arrow points to large pore (gland outlet?) situated in the posterior region of the ventral plate. Double arrowheads indicate an anal field spur." figureDoi="http://doi.org/10.5281/zenodo.13151779" httpUri="https://zenodo.org/record/13151779/files/figure.png" pageId="31" pageNumber="32">18A</figureCitation>
|
||
). This posterior anus-gonopore region is composed of several sub-regions (both internal and external) delimited by elevations of the cuticle. A small anal cone (ac;
|
||
<figureCitation id="13041F906908516AFAD6F8DEC281F8E2" box="[1404,1498,1873,1897]" captionStart="Fig 15" captionStartId="25.[533,561,1706,1725]" captionTargetBox="[536,1526,190,1688]" captionTargetId="figure-3@25.[533,1532,187,1691]" captionTargetPageId="25" captionText="Fig 15. Light micrographs of the holotypic adult female of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects.(A) Overview of the extended specimen, with focus on the internal buccal tube (bu). Double-headed arrow points to large pores (gland outlets?) situated on the posterior region of the ventral plate. (B) Ventral view of the specimen. (C) Close-up of the introvert, neck and anterior region of the lorica, ventral view. Note the fenestrated aspect of the anterior spikes (sp). (D) Close-up of the anal field. (E) Dorsal view of the extended specimen. Abbreviations: ac, anal cone; af, anal field; bp, basal plate; cs, clavoscalid; dlp, dorsolateral plate; dp, dorsal plate; in, introvert; lo, lorica; mt, mouth tube; oo, oocyte; sp, anterior spike; sr, spinoscalids of 8th or 9th row; ss spinoscalid; su, 8/9 anal field spurs tr, trichoscalid; vlp, ventrolateral plate; vp, ventral plate. https://doi.org/10.1371/journal.pone.0250403.g015" figureDoi="http://doi.org/10.5281/zenodo.13151771" httpUri="https://zenodo.org/record/13151771/files/figure.png" pageId="31" pageNumber="32">Figs 15D</figureCitation>
|
||
,
|
||
<figureCitation id="13041F9069375155FDBFFF5FC575FF63" box="[533,558,208,232]" captionStart="Fig 16" captionStartId="26.[475,503,1670,1689]" captionTargetBox="[478,1529,222,1645]" captionTargetId="figure-3@26.[475,1536,208,1648]" captionTargetPageId="26" captionText="Fig 16. Line art drawing of the adult female habitus of Scutiloricus hugoi gen. et sp. nov. Ventral view, anterior faces up. Note that only a selected number of scalids from rows 2 to 8 are represented for clarity. Abbreviations: ac, anal cone; af, anal field; ag?, putative adhesive gland; bp, basal plate; bu, buccal tube; cr, cuticularized triangular ridge; cs, clavoscalid; dlp, dorsolateral plate; fu, oral furca; gl?, putative gland outlet; in, introvert; lo, lorica; mc, mouth cone; mo, mouth aperture; mt, mouth tube; ne, neck; or, oral ridges of type 1 and 2; ov, ovary; ser, seminal receptacle; sr, spinoscalids of 2nd to 9th row; 1/2 2–9 sp (and arrowheads), anterior spike; su, anal field spurs; tp, trichoscalid plate; tr1, single trichoscalid; tr2, double trichoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g016" figureDoi="http://doi.org/10.5281/zenodo.13151773" httpUri="https://zenodo.org/record/13151773/files/figure.png" pageId="32" pageNumber="33">16</figureCitation>
|
||
and
|
||
<figureCitation id="13041F9069375155FDC9FF5FC5D1FF63" box="[611,650,208,232]" captionStart="Fig 18" captionStartId="28.[416,444,1727,1746]" captionTargetBox="[419,1533,211,1709]" captionTargetId="figure-1@28.[416,1536,208,1712]" captionTargetPageId="28" captionText="Fig 18. Light micrographs of the allotypic adult male of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects. (A) Overview of the extended specimen, dorsal view. (B) Anterior region of the body, ventral view. (C) Close-up of the anterior spikes of the dorsal and dorsolateral plates. Note the fenestrated aspect of the anterior spikes (arrowheads). (D) Introvert, neck and anterior region of the abdomen; ventral view. (E) Posterior region of the lorica, dorsal view. Note the putative gonopores (go?) located in the posteriormost region of the dorsolateral plates. (F) Posterior region of the lorica, ventral view. Double-headed arrow points to large pore (gland outlet?) situated in the posterior region of the ventral plate. Double arrowheads indicate an anal field spur." figureDoi="http://doi.org/10.5281/zenodo.13151779" httpUri="https://zenodo.org/record/13151779/files/figure.png" pageId="32" pageNumber="33">18F</figureCitation>
|
||
) protrudes ventrally from the anal field, flanked on each side by a small spur (su;
|
||
<figureCitation id="13041F9069375155FDBFFF7DC528FE81" box="[533,627,242,266]" captionStart="Fig 15" captionStartId="25.[533,561,1706,1725]" captionTargetBox="[536,1526,190,1688]" captionTargetId="figure-3@25.[533,1532,187,1691]" captionTargetPageId="25" captionText="Fig 15. Light micrographs of the holotypic adult female of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects.(A) Overview of the extended specimen, with focus on the internal buccal tube (bu). Double-headed arrow points to large pores (gland outlets?) situated on the posterior region of the ventral plate. (B) Ventral view of the specimen. (C) Close-up of the introvert, neck and anterior region of the lorica, ventral view. Note the fenestrated aspect of the anterior spikes (sp). (D) Close-up of the anal field. (E) Dorsal view of the extended specimen. Abbreviations: ac, anal cone; af, anal field; bp, basal plate; cs, clavoscalid; dlp, dorsolateral plate; dp, dorsal plate; in, introvert; lo, lorica; mt, mouth tube; oo, oocyte; sp, anterior spike; sr, spinoscalids of 8th or 9th row; ss spinoscalid; su, 8/9 anal field spurs tr, trichoscalid; vlp, ventrolateral plate; vp, ventral plate. https://doi.org/10.1371/journal.pone.0250403.g015" figureDoi="http://doi.org/10.5281/zenodo.13151771" httpUri="https://zenodo.org/record/13151771/files/figure.png" pageId="32" pageNumber="33">Figs 15D</figureCitation>
|
||
,
|
||
<figureCitation id="13041F9069375155FDD5FF7DC5C3FE81" box="[639,664,242,266]" captionStart="Fig 16" captionStartId="26.[475,503,1670,1689]" captionTargetBox="[478,1529,222,1645]" captionTargetId="figure-3@26.[475,1536,208,1648]" captionTargetPageId="26" captionText="Fig 16. Line art drawing of the adult female habitus of Scutiloricus hugoi gen. et sp. nov. Ventral view, anterior faces up. Note that only a selected number of scalids from rows 2 to 8 are represented for clarity. Abbreviations: ac, anal cone; af, anal field; ag?, putative adhesive gland; bp, basal plate; bu, buccal tube; cr, cuticularized triangular ridge; cs, clavoscalid; dlp, dorsolateral plate; fu, oral furca; gl?, putative gland outlet; in, introvert; lo, lorica; mc, mouth cone; mo, mouth aperture; mt, mouth tube; ne, neck; or, oral ridges of type 1 and 2; ov, ovary; ser, seminal receptacle; sr, spinoscalids of 2nd to 9th row; 1/2 2–9 sp (and arrowheads), anterior spike; su, anal field spurs; tp, trichoscalid plate; tr1, single trichoscalid; tr2, double trichoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g016" figureDoi="http://doi.org/10.5281/zenodo.13151773" httpUri="https://zenodo.org/record/13151773/files/figure.png" pageId="32" pageNumber="33">16</figureCitation>
|
||
and
|
||
<figureCitation id="13041F9069375155FD67FF7DC5AFFE81" box="[717,756,242,266]" captionStart="Fig 18" captionStartId="28.[416,444,1727,1746]" captionTargetBox="[419,1533,211,1709]" captionTargetId="figure-1@28.[416,1536,208,1712]" captionTargetPageId="28" captionText="Fig 18. Light micrographs of the allotypic adult male of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects. (A) Overview of the extended specimen, dorsal view. (B) Anterior region of the body, ventral view. (C) Close-up of the anterior spikes of the dorsal and dorsolateral plates. Note the fenestrated aspect of the anterior spikes (arrowheads). (D) Introvert, neck and anterior region of the abdomen; ventral view. (E) Posterior region of the lorica, dorsal view. Note the putative gonopores (go?) located in the posteriormost region of the dorsolateral plates. (F) Posterior region of the lorica, ventral view. Double-headed arrow points to large pore (gland outlet?) situated in the posterior region of the ventral plate. Double arrowheads indicate an anal field spur." figureDoi="http://doi.org/10.5281/zenodo.13151779" httpUri="https://zenodo.org/record/13151779/files/figure.png" pageId="32" pageNumber="33">18F</figureCitation>
|
||
). These anal field spurs are slightly larger in the female (
|
||
<figureCitation id="13041F9069375155FAE2FF7DC292FE81" box="[1352,1481,242,266]" captionStart="Fig 15" captionStartId="25.[533,561,1706,1725]" captionTargetBox="[536,1526,190,1688]" captionTargetId="figure-3@25.[533,1532,187,1691]" captionTargetPageId="25" captionText="Fig 15. Light micrographs of the holotypic adult female of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects.(A) Overview of the extended specimen, with focus on the internal buccal tube (bu). Double-headed arrow points to large pores (gland outlets?) situated on the posterior region of the ventral plate. (B) Ventral view of the specimen. (C) Close-up of the introvert, neck and anterior region of the lorica, ventral view. Note the fenestrated aspect of the anterior spikes (sp). (D) Close-up of the anal field. (E) Dorsal view of the extended specimen. Abbreviations: ac, anal cone; af, anal field; bp, basal plate; cs, clavoscalid; dlp, dorsolateral plate; dp, dorsal plate; in, introvert; lo, lorica; mt, mouth tube; oo, oocyte; sp, anterior spike; sr, spinoscalids of 8th or 9th row; ss spinoscalid; su, 8/9 anal field spurs tr, trichoscalid; vlp, ventrolateral plate; vp, ventral plate. https://doi.org/10.1371/journal.pone.0250403.g015" figureDoi="http://doi.org/10.5281/zenodo.13151771" httpUri="https://zenodo.org/record/13151771/files/figure.png" pageId="32" pageNumber="33">Fig 15A and</figureCitation>
|
||
15D) as compared to the male (
|
||
<figureCitation id="13041F9069375155FCC8FE9AC34BFEA6" box="[866,1040,277,301]" captionStart="Fig 18" captionStartId="28.[416,444,1727,1746]" captionTargetBox="[419,1533,211,1709]" captionTargetId="figure-1@28.[416,1536,208,1712]" captionTargetPageId="28" captionText="Fig 18. Light micrographs of the allotypic adult male of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects. (A) Overview of the extended specimen, dorsal view. (B) Anterior region of the body, ventral view. (C) Close-up of the anterior spikes of the dorsal and dorsolateral plates. Note the fenestrated aspect of the anterior spikes (arrowheads). (D) Introvert, neck and anterior region of the abdomen; ventral view. (E) Posterior region of the lorica, dorsal view. Note the putative gonopores (go?) located in the posteriormost region of the dorsolateral plates. (F) Posterior region of the lorica, ventral view. Double-headed arrow points to large pore (gland outlet?) situated in the posterior region of the ventral plate. Double arrowheads indicate an anal field spur." figureDoi="http://doi.org/10.5281/zenodo.13151779" httpUri="https://zenodo.org/record/13151779/files/figure.png" pageId="32" pageNumber="33">Fig 18A and 18F</figureCitation>
|
||
). On the ventral side, a large pore (gland outlet?) is located posteriorly on each margin of the ventral plate (
|
||
<figureCitation id="13041F9069375155FB00FEB7C3A3FEDB" box="[1194,1272,312,336]" captionStart="Fig 18" captionStartId="28.[416,444,1727,1746]" captionTargetBox="[419,1533,211,1709]" captionTargetId="figure-1@28.[416,1536,208,1712]" captionTargetPageId="28" captionText="Fig 18. Light micrographs of the allotypic adult male of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects. (A) Overview of the extended specimen, dorsal view. (B) Anterior region of the body, ventral view. (C) Close-up of the anterior spikes of the dorsal and dorsolateral plates. Note the fenestrated aspect of the anterior spikes (arrowheads). (D) Introvert, neck and anterior region of the abdomen; ventral view. (E) Posterior region of the lorica, dorsal view. Note the putative gonopores (go?) located in the posteriormost region of the dorsolateral plates. (F) Posterior region of the lorica, ventral view. Double-headed arrow points to large pore (gland outlet?) situated in the posterior region of the ventral plate. Double arrowheads indicate an anal field spur." figureDoi="http://doi.org/10.5281/zenodo.13151779" httpUri="https://zenodo.org/record/13151779/files/figure.png" pageId="32" pageNumber="33">Fig 18F</figureCitation>
|
||
). A large putative gonopore (go?,
|
||
<figureCitation id="13041F9069375155FD2EFED5C58EFEF9" box="[644,725,346,370]" captionStart="Fig 18" captionStartId="28.[416,444,1727,1746]" captionTargetBox="[419,1533,211,1709]" captionTargetId="figure-1@28.[416,1536,208,1712]" captionTargetPageId="28" captionText="Fig 18. Light micrographs of the allotypic adult male of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects. (A) Overview of the extended specimen, dorsal view. (B) Anterior region of the body, ventral view. (C) Close-up of the anterior spikes of the dorsal and dorsolateral plates. Note the fenestrated aspect of the anterior spikes (arrowheads). (D) Introvert, neck and anterior region of the abdomen; ventral view. (E) Posterior region of the lorica, dorsal view. Note the putative gonopores (go?) located in the posteriormost region of the dorsolateral plates. (F) Posterior region of the lorica, ventral view. Double-headed arrow points to large pore (gland outlet?) situated in the posterior region of the ventral plate. Double arrowheads indicate an anal field spur." figureDoi="http://doi.org/10.5281/zenodo.13151779" httpUri="https://zenodo.org/record/13151779/files/figure.png" pageId="32" pageNumber="33">Fig 18E</figureCitation>
|
||
) is located dorsally in the posteriormost region of each dorsolateral plate.
|
||
</paragraph>
|
||
<paragraph id="8B80031569375155FD9FFEF2C582FD03" blockId="32.[533,1530,208,648]" pageId="32" pageNumber="33">
|
||
<emphasis id="B94BDF0769375155FD9FFEF2C5B6FE1E" box="[565,749,381,405]" italics="true" pageId="32" pageNumber="33">Internal anatomy</emphasis>
|
||
. An annulated buccal tube (bu;
|
||
<figureCitation id="13041F9069375155FB95FEF2C3C7FE1E" box="[1087,1180,381,405]" captionStart="Fig 15" captionStartId="25.[533,561,1706,1725]" captionTargetBox="[536,1526,190,1688]" captionTargetId="figure-3@25.[533,1532,187,1691]" captionTargetPageId="25" captionText="Fig 15. Light micrographs of the holotypic adult female of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects.(A) Overview of the extended specimen, with focus on the internal buccal tube (bu). Double-headed arrow points to large pores (gland outlets?) situated on the posterior region of the ventral plate. (B) Ventral view of the specimen. (C) Close-up of the introvert, neck and anterior region of the lorica, ventral view. Note the fenestrated aspect of the anterior spikes (sp). (D) Close-up of the anal field. (E) Dorsal view of the extended specimen. Abbreviations: ac, anal cone; af, anal field; bp, basal plate; cs, clavoscalid; dlp, dorsolateral plate; dp, dorsal plate; in, introvert; lo, lorica; mt, mouth tube; oo, oocyte; sp, anterior spike; sr, spinoscalids of 8th or 9th row; ss spinoscalid; su, 8/9 anal field spurs tr, trichoscalid; vlp, ventrolateral plate; vp, ventral plate. https://doi.org/10.1371/journal.pone.0250403.g015" figureDoi="http://doi.org/10.5281/zenodo.13151771" httpUri="https://zenodo.org/record/13151771/files/figure.png" pageId="32" pageNumber="33">Figs 15A</figureCitation>
|
||
,
|
||
<figureCitation id="13041F9069375155FB02FEF2C39AFE1E" box="[1192,1217,381,405]" captionStart="Fig 16" captionStartId="26.[475,503,1670,1689]" captionTargetBox="[478,1529,222,1645]" captionTargetId="figure-3@26.[475,1536,208,1648]" captionTargetPageId="26" captionText="Fig 16. Line art drawing of the adult female habitus of Scutiloricus hugoi gen. et sp. nov. Ventral view, anterior faces up. Note that only a selected number of scalids from rows 2 to 8 are represented for clarity. Abbreviations: ac, anal cone; af, anal field; ag?, putative adhesive gland; bp, basal plate; bu, buccal tube; cr, cuticularized triangular ridge; cs, clavoscalid; dlp, dorsolateral plate; fu, oral furca; gl?, putative gland outlet; in, introvert; lo, lorica; mc, mouth cone; mo, mouth aperture; mt, mouth tube; ne, neck; or, oral ridges of type 1 and 2; ov, ovary; ser, seminal receptacle; sr, spinoscalids of 2nd to 9th row; 1/2 2–9 sp (and arrowheads), anterior spike; su, anal field spurs; tp, trichoscalid plate; tr1, single trichoscalid; tr2, double trichoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g016" figureDoi="http://doi.org/10.5281/zenodo.13151773" httpUri="https://zenodo.org/record/13151773/files/figure.png" pageId="32" pageNumber="33">16</figureCitation>
|
||
and
|
||
<figureCitation id="13041F9069375155FB5FFEF2C255FE1E" box="[1269,1294,381,405]" captionStart="Fig 18" captionStartId="28.[416,444,1727,1746]" captionTargetBox="[419,1533,211,1709]" captionTargetId="figure-1@28.[416,1536,208,1712]" captionTargetPageId="28" captionText="Fig 18. Light micrographs of the allotypic adult male of Scutiloricus hugoi gen. et sp. nov. Anterior faces up in all aspects. (A) Overview of the extended specimen, dorsal view. (B) Anterior region of the body, ventral view. (C) Close-up of the anterior spikes of the dorsal and dorsolateral plates. Note the fenestrated aspect of the anterior spikes (arrowheads). (D) Introvert, neck and anterior region of the abdomen; ventral view. (E) Posterior region of the lorica, dorsal view. Note the putative gonopores (go?) located in the posteriormost region of the dorsolateral plates. (F) Posterior region of the lorica, ventral view. Double-headed arrow points to large pore (gland outlet?) situated in the posterior region of the ventral plate. Double arrowheads indicate an anal field spur." figureDoi="http://doi.org/10.5281/zenodo.13151779" httpUri="https://zenodo.org/record/13151779/files/figure.png" pageId="32" pageNumber="33">18</figureCitation>
|
||
) extends between the mouth aperture (mo;
|
||
<figureCitation id="13041F9069375155FD51FE2FC460FE33" box="[763,827,416,440]" captionStart="Fig 16" captionStartId="26.[475,503,1670,1689]" captionTargetBox="[478,1529,222,1645]" captionTargetId="figure-3@26.[475,1536,208,1648]" captionTargetPageId="26" captionText="Fig 16. Line art drawing of the adult female habitus of Scutiloricus hugoi gen. et sp. nov. Ventral view, anterior faces up. Note that only a selected number of scalids from rows 2 to 8 are represented for clarity. Abbreviations: ac, anal cone; af, anal field; ag?, putative adhesive gland; bp, basal plate; bu, buccal tube; cr, cuticularized triangular ridge; cs, clavoscalid; dlp, dorsolateral plate; fu, oral furca; gl?, putative gland outlet; in, introvert; lo, lorica; mc, mouth cone; mo, mouth aperture; mt, mouth tube; ne, neck; or, oral ridges of type 1 and 2; ov, ovary; ser, seminal receptacle; sr, spinoscalids of 2nd to 9th row; 1/2 2–9 sp (and arrowheads), anterior spike; su, anal field spurs; tp, trichoscalid plate; tr1, single trichoscalid; tr2, double trichoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g016" figureDoi="http://doi.org/10.5281/zenodo.13151773" httpUri="https://zenodo.org/record/13151773/files/figure.png" pageId="32" pageNumber="33">Fig 16</figureCitation>
|
||
) and the pharyngeal bulb (pb;
|
||
<figureCitation id="13041F9069375155FB2BFE2FC399FE33" box="[1153,1218,416,440]" captionStart="Fig 17" captionStartId="27.[481,509,1734,1753]" captionTargetBox="[484,1533,211,1709]" captionTargetId="figure-3@27.[481,1536,208,1712]" captionTargetPageId="27" captionText="Fig 17. Light micrographs of a paratypic adult female of Scutiloricus hugoi gen. et sp. nov. (A) Overview of the fully extended specimen, anterior faces up. Note the presence of a large oocyte (oo) and two seminal receptacles (ser). (B) Close up of the oocyte and the two seminal receptacles (arrowheads). (C) Close up of the posterior region of the lorica. Note the linear arrangement of the four flosculi (black double arrowheads) on each dorsolateral plate (dlp) and the two flosculi (white double arrowheads) located medially on the dorsal plate (dp). Abbreviations: cs, clavoscalids; in, introvert; lo, lorica; mc, mouth cone; mt, mouth tube; sp, anterior spike; ss, spinoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g017" figureDoi="http://doi.org/10.5281/zenodo.13151775" httpUri="https://zenodo.org/record/13151775/files/figure.png" pageId="32" pageNumber="33">Fig 17</figureCitation>
|
||
). Two small, putative adhesive glands (ag?) are located medially in the posteriormost region of the abdomen (
|
||
<figureCitation id="13041F9069375155FA2AFE4DC29AFE51" box="[1408,1473,450,474]" captionStart="Fig 16" captionStartId="26.[475,503,1670,1689]" captionTargetBox="[478,1529,222,1645]" captionTargetId="figure-3@26.[475,1536,208,1648]" captionTargetPageId="26" captionText="Fig 16. Line art drawing of the adult female habitus of Scutiloricus hugoi gen. et sp. nov. Ventral view, anterior faces up. Note that only a selected number of scalids from rows 2 to 8 are represented for clarity. Abbreviations: ac, anal cone; af, anal field; ag?, putative adhesive gland; bp, basal plate; bu, buccal tube; cr, cuticularized triangular ridge; cs, clavoscalid; dlp, dorsolateral plate; fu, oral furca; gl?, putative gland outlet; in, introvert; lo, lorica; mc, mouth cone; mo, mouth aperture; mt, mouth tube; ne, neck; or, oral ridges of type 1 and 2; ov, ovary; ser, seminal receptacle; sr, spinoscalids of 2nd to 9th row; 1/2 2–9 sp (and arrowheads), anterior spike; su, anal field spurs; tp, trichoscalid plate; tr1, single trichoscalid; tr2, double trichoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g016" figureDoi="http://doi.org/10.5281/zenodo.13151773" httpUri="https://zenodo.org/record/13151773/files/figure.png" pageId="32" pageNumber="33">Fig 16</figureCitation>
|
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). Females are characterized by a pair of seminal receptacles located postero-dorsally to the ovaries, which contain the oocytes (oo;
|
||
<figureCitation id="13041F9069375155FC3BFD87C31AFDAB" box="[913,1089,520,544]" captionStart="Fig 17" captionStartId="27.[481,509,1734,1753]" captionTargetBox="[484,1533,211,1709]" captionTargetId="figure-3@27.[481,1536,208,1712]" captionTargetPageId="27" captionText="Fig 17. Light micrographs of a paratypic adult female of Scutiloricus hugoi gen. et sp. nov. (A) Overview of the fully extended specimen, anterior faces up. Note the presence of a large oocyte (oo) and two seminal receptacles (ser). (B) Close up of the oocyte and the two seminal receptacles (arrowheads). (C) Close up of the posterior region of the lorica. Note the linear arrangement of the four flosculi (black double arrowheads) on each dorsolateral plate (dlp) and the two flosculi (white double arrowheads) located medially on the dorsal plate (dp). Abbreviations: cs, clavoscalids; in, introvert; lo, lorica; mc, mouth cone; mt, mouth tube; sp, anterior spike; ss, spinoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g017" figureDoi="http://doi.org/10.5281/zenodo.13151775" httpUri="https://zenodo.org/record/13151775/files/figure.png" pageId="32" pageNumber="33">Fig 17A and 17B</figureCitation>
|
||
). Mature spermatozoa were found in one of the investigated paratypic females (arrowheads;
|
||
<figureCitation id="13041F9069375155FB86FDA5C326FDC9" box="[1068,1149,554,578]" captionStart="Fig 17" captionStartId="27.[481,509,1734,1753]" captionTargetBox="[484,1533,211,1709]" captionTargetId="figure-3@27.[481,1536,208,1712]" captionTargetPageId="27" captionText="Fig 17. Light micrographs of a paratypic adult female of Scutiloricus hugoi gen. et sp. nov. (A) Overview of the fully extended specimen, anterior faces up. Note the presence of a large oocyte (oo) and two seminal receptacles (ser). (B) Close up of the oocyte and the two seminal receptacles (arrowheads). (C) Close up of the posterior region of the lorica. Note the linear arrangement of the four flosculi (black double arrowheads) on each dorsolateral plate (dlp) and the two flosculi (white double arrowheads) located medially on the dorsal plate (dp). Abbreviations: cs, clavoscalids; in, introvert; lo, lorica; mc, mouth cone; mt, mouth tube; sp, anterior spike; ss, spinoscalid; vlp, ventrolateral plate; vp, ventral plate; ws, wave-shaped lateral reinforcement. https://doi.org/10.1371/journal.pone.0250403.g017" figureDoi="http://doi.org/10.5281/zenodo.13151775" httpUri="https://zenodo.org/record/13151775/files/figure.png" pageId="32" pageNumber="33">Fig 17B</figureCitation>
|
||
). Outlets or ducts of the seminal receptacles were not found. Males are characterized by two large testes with mature spermatozoon (not shown).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |