173 lines
21 KiB
XML
173 lines
21 KiB
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<document ID-DOI="10.5252/z2013n2a7" ID-GBIF-Dataset="240f297d-c280-4a16-a171-22f1bebdf852" ID-ISSN="1638-9387" ID-Zenodo-Dep="5165233" checkinTime="1628198643035" checkinUser="felipe" docAuthor="Salazar-Vallejo, Sergio I." docDate="2013" docId="03985007F241FFFF0085FA67FB844CED" docLanguage="en" docName="Zoosystema.35.2.227-263.pdf" docOrigin="Zoosystema 35 (2)" docSource="http://dx.doi.org/10.5252/z2013n2a7" docStyle="DocumentStyle:BCA1AC1CA2CB189AA8340D8E5C61F956.2:Zoosystema.2013-2014.journal_article" docStyleId="BCA1AC1CA2CB189AA8340D8E5C61F956" docStyleName="Zoosystema.2013-2014.journal_article" docStyleVersion="2" docTitle="Paratherochaeta orensanzi Salazar-Vallejo 2013, n. sp." docType="treatment" docVersion="2" lastPageNumber="256" masterDocId="FFA1287FF25DFFE2004EFFECFF864E40" masterDocTitle="Revision of Therochaeta Chamberlin, 1919 (Polychaeta: Flabelligeridae)" masterLastPageNumber="263" masterPageNumber="227" pageNumber="255" updateTime="1665603798266" updateUser="ExternalLinkService" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Revision of Therochaeta Chamberlin, 1919 (Polychaeta: Flabelligeridae)</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Salazar-Vallejo, Sergio I.</mods:namePart>
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<mods:affiliation>El Colegio de la Frontera Sur CONACYT Chetumal, Quintana Roo (Mexico)</mods:affiliation>
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<mods:nameIdentifier type="email">savs551216@hotmail.com & ssalazar@ecosur.mx</mods:nameIdentifier>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>Zoosystema</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2013</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2013-06-28</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>35</mods:number>
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</mods:detail>
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<mods:detail type="issue">
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<mods:number>2</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>227</mods:start>
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<mods:end>263</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.5252/z2013n2a7</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">10.5252/z2013n2a7</mods:identifier>
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<mods:identifier type="GBIF-Dataset">240f297d-c280-4a16-a171-22f1bebdf852</mods:identifier>
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<mods:identifier type="ISSN">1638-9387</mods:identifier>
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<mods:identifier type="Zenodo-Dep">5165233</mods:identifier>
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</mods:mods>
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<treatment ID-DOI="http://doi.org/10.5281/zenodo.7191317" ID-Zenodo-Dep="7191317" LSID="urn:lsid:plazi:treatment:03985007F241FFFF0085FA67FB844CED" httpUri="http://treatment.plazi.org/id/03985007F241FFFF0085FA67FB844CED" lastPageId="29" lastPageNumber="256" pageId="28" pageNumber="255">
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<subSubSection box="[203,557,1419,1446]" pageId="28" pageNumber="255" type="nomenclature">
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<paragraph blockId="28.[203,557,1419,1477]" box="[203,557,1419,1446]" pageId="28" pageNumber="255">
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<heading box="[203,557,1419,1446]" centered="true" fontSize="11" level="2" pageId="28" pageNumber="255" reason="2">
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<taxonomicName authority="Salazar-Vallejo, 2013" authorityName="Salazar-Vallejo" authorityYear="2013" box="[203,492,1419,1446]" class="Polychaeta" family="Flabelligeridae" genus="Paratherochaeta" kingdom="Animalia" order="Terebellida" pageId="28" pageNumber="255" phylum="Annelida" rank="species" species="orensanzi" status="n. sp.">
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<emphasis bold="true" box="[203,492,1419,1446]" italics="true" pageId="28" pageNumber="255">Paratherochaeta orensanzi</emphasis>
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</taxonomicName>
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<taxonomicNameLabel box="[498,557,1420,1446]" pageId="28" pageNumber="255" rank="species">n. sp.</taxonomicNameLabel>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection box="[333,426,1451,1477]" pageId="28" pageNumber="255" type="description">
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<paragraph blockId="28.[203,557,1419,1477]" box="[333,426,1451,1477]" pageId="28" pageNumber="255">
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(
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<figureCitation box="[341,419,1451,1477]" captionStart="FIG" captionStartId="30.[113,124,903,921]" captionTargetBox="[116,1205,217,862]" captionTargetId="figure-398@30.[113,1209,214,865]" captionTargetPageId="30" captionText="FIG. 12. — Paratherochaeta orensanzi n. sp., A-C, holotype (MACN 39031); A, lateral view, cephalic hood exposed; B, anterior end, dorsal view;C, anterior end,ventral view;D, paratype (ECOSUR),head,frontal view;E, same,chaetiger 4, right parapodium;F-G, same, chaetiger 16, right parapodium; G, same, posterior chaetiger, D, right parapodium,neurochaetae. Abbreviations: BS, branchial scars; LL, lateral lip; PS, palp scar. Scale bars: A, B, 1.5 mm; C, 1.9 mm; D, 44 µm; E, 0.36 mm; F, 0.26 mm; G, 110 µm." figureDoi="http://doi.org/10.5281/zenodo.7191298" httpUri="https://zenodo.org/record/7191298/files/figure.png" pageId="28" pageNumber="255">Fig. 12</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection pageId="28" pageNumber="255" type="materials_examined">
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<paragraph blockId="28.[112,648,1516,1700]" lastBlockId="28.[675,1210,1054,1131]" pageId="28" pageNumber="255">
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<materialsCitation collectionCode="MACN" collectorName="Chiarpesca & Cruise" elevation="105" location="Southwestern Atlantic Ocean." municipality="Southwestern Atlantic Ocean." pageId="28" pageNumber="255" specimenCode="MACN 39031" specimenCount="1" specimenCount-female="1" typeStatus="holotype">
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TYPE MATERIAL. —
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<collectingMunicipality box="[287,557,1516,1540]" name="Southwestern Atlantic Ocean." pageId="28" pageNumber="255">Southwestern Atlantic Ocean.</collectingMunicipality>
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<typeStatus box="[559,646,1516,1540]" pageId="28" pageNumber="255">Holotype</typeStatus>
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(
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<specimenCode box="[120,267,1543,1567]" collectionCode="MACN" country="Argentina" httpUri="http://grbio.org/cool/pyng-6456" name="Museo Argentino de Ciencias Naturales Bernardino Rivadavia" pageId="28" pageNumber="255" type="Museum">MACN 39031</specimenCode>
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) and paratypes (two in MACN 39032; one in ECOSUR; one in MNHN), stomach contents of reticulated raja,
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<taxonomicName authority="Marini, 1932" authorityName="Marini" authorityYear="1932" box="[311,644,1596,1620]" class="Elasmobranchii" family="Arhynchobatidae" genus="Psammobatis" kingdom="Animalia" order="Rajiformes" pageId="28" pageNumber="255" phylum="Chordata" rank="species" species="bergi">
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<emphasis box="[311,495,1596,1620]" italics="true" pageId="28" pageNumber="255">Psammobatis bergi</emphasis>
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Marini, 1932
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</taxonomicName>
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,
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<specimenCount box="[113,184,1622,1646]" pageId="28" pageNumber="255" type="female">female</specimenCount>
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,
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<quantity box="[197,263,1622,1646]" metricMagnitude="-1" metricUnit="m" metricValue="3.5" pageId="28" pageNumber="255" unit="cm" value="35.0">35 cm</quantity>
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long (L18 N3), R/V
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<emphasis box="[496,604,1622,1646]" italics="true" pageId="28" pageNumber="255">
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<collectorName box="[496,604,1622,1646]" pageId="28" pageNumber="255">Chiarpesca</collectorName>
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</emphasis>
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59,
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<collectorName box="[115,178,1649,1673]" pageId="28" pageNumber="255">Cruise</collectorName>
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REDE 04,
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<quantity box="[288,352,1648,1672]" metricMagnitude="2" metricUnit="m" metricValue="1.05" pageId="28" pageNumber="255" unit="m" value="105.0">
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<elevation box="[288,352,1648,1672]" metricMagnitude="2" metricUnit="m" metricValue="1.05" pageId="28" pageNumber="255" unit="m" value="105.0">105 m</elevation>
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</quantity>
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, X-XI.2006 (paratypes anterior fragments
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<quantity box="[213,317,1675,1699]" metricMagnitude="-2" metricUnit="m" metricValue="3.1" metricValueMax="3.4" metricValueMin="2.8" pageId="28" pageNumber="255" unit="mm" value="31.0" valueMax="34.0" valueMin="28.0">28-34 mm</quantity>
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long,
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<quantity box="[377,456,1675,1699]" metricMagnitude="-3" metricUnit="m" metricValue="3.5" metricValueMax="4.0" metricValueMin="3.0" pageId="28" pageNumber="255" unit="mm" value="3.5" valueMax="4.0" valueMin="3.0">3-4 mm</quantity>
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wide, cephalic cage chaetae broken, 18-23 chaetigers; sediment grains small; chaetiger 2 displaced anteriorly; falcate dark neurohooks from chaetiger 5; gonopodial pores in chaetiger 5).
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</materialsCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="28" pageNumber="255" type="etymology">
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<paragraph blockId="28.[675,1212,1155,1284]" pageId="28" pageNumber="255">ETYMOLOGY. — This species is named as a modest homage to Dr. José M. (Lobo) Orensanz, in recognition of his fine publications on South Atlantic and Antarctic polychaetes and as a means to thank him for providing materials from his collections.</paragraph>
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</subSubSection>
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<subSubSection pageId="28" pageNumber="255" type="distribution">
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<paragraph blockId="28.[675,1209,1308,1359]" pageId="28" pageNumber="255">
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TYPE LOCALITY. — Off Central
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<collectingCountry box="[974,1072,1308,1332]" name="Argentina" pageId="28" pageNumber="255">Argentina</collectingCountry>
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, Southwestern Atlantic Ocean.
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</paragraph>
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<paragraph blockId="28.[677,1210,1382,1459]" pageId="28" pageNumber="255">
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DISTRIBUTION. — Only known from the
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<typeStatus box="[1086,1128,1383,1407]" pageId="28" pageNumber="255">type</typeStatus>
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locality, found in the stomach contents of a ray (
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<taxonomicName authorityName="Marini" authorityYear="1932" box="[1063,1130,1409,1433]" class="Elasmobranchii" family="Arhynchobatidae" genus="Psammobatis" kingdom="Animalia" order="Rajiformes" pageId="28" pageNumber="255" phylum="Chordata" rank="species" species="bergi">
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<emphasis box="[1063,1130,1409,1433]" italics="true" pageId="28" pageNumber="255">P. bergi</emphasis>
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</taxonomicName>
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) caught in
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<specimenCount box="[703,774,1435,1459]" pageId="28" pageNumber="255" type="generic">
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<quantity box="[703,770,1435,1459]" metricMagnitude="2" metricUnit="m" metricValue="1.05" pageId="28" pageNumber="255" unit="m" value="105.0">105 m</quantity>
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.
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</specimenCount>
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="29" lastPageNumber="256" pageId="28" pageNumber="255" type="description">
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<paragraph blockId="28.[677,1211,1515,1700]" box="[677,821,1515,1541]" pageId="28" pageNumber="255">DESCRIPTION</paragraph>
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<paragraph blockId="28.[677,1211,1515,1700]" lastBlockId="29.[111,649,216,1699]" lastPageId="29" lastPageNumber="256" pageId="28" pageNumber="255">
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<typeStatus box="[677,779,1546,1572]" pageId="28" pageNumber="255">Holotype</typeStatus>
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broken posteriorly, body wall damaged (
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<figureCitation box="[685,787,1578,1604]" captionStart="FIG" captionStartId="30.[113,124,903,921]" captionTargetBox="[116,1205,217,862]" captionTargetId="figure-398@30.[113,1209,214,865]" captionTargetPageId="30" captionText="FIG. 12. — Paratherochaeta orensanzi n. sp., A-C, holotype (MACN 39031); A, lateral view, cephalic hood exposed; B, anterior end, dorsal view;C, anterior end,ventral view;D, paratype (ECOSUR),head,frontal view;E, same,chaetiger 4, right parapodium;F-G, same, chaetiger 16, right parapodium; G, same, posterior chaetiger, D, right parapodium,neurochaetae. Abbreviations: BS, branchial scars; LL, lateral lip; PS, palp scar. Scale bars: A, B, 1.5 mm; C, 1.9 mm; D, 44 µm; E, 0.36 mm; F, 0.26 mm; G, 110 µm." figureDoi="http://doi.org/10.5281/zenodo.7191298" httpUri="https://zenodo.org/record/7191298/files/figure.png" pageId="28" pageNumber="255">Fig. 12A</figureCitation>
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), whitish anteriorly, darker in median and posterior chaetigers. Body medially swollen, tapered anteriorly, posteriorly widening;
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<quantity box="[1130,1211,1642,1668]" metricMagnitude="-2" metricUnit="m" metricValue="2.9" pageId="28" pageNumber="255" unit="mm" value="29.0">29 mm</quantity>
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long,
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<quantity box="[737,800,1673,1700]" metricMagnitude="-3" metricUnit="m" metricValue="3.0" pageId="28" pageNumber="255" unit="mm" value="3.0">3 mm</quantity>
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wide, cephalic cage chaetae
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<quantity box="[1090,1153,1673,1700]" metricMagnitude="-3" metricUnit="m" metricValue="8.0" pageId="28" pageNumber="255" unit="mm" value="8.0">8 mm</quantity>
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long, broken, 20 chaetigers. Tunic thin, most sediment particles lost; anterior body papillae long, tapered, median papillae shorter, posterior papillae larger, medially swollen.
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</paragraph>
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<paragraph blockId="29.[111,649,216,1699]" pageId="29" pageNumber="256">Cephalic hood exposed, cylindrical, made by two similar sized rings. Cephalic hood margin smooth.</paragraph>
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<paragraph blockId="29.[111,649,216,1699]" pageId="29" pageNumber="256">
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Anterior end exposed, partly damaged. Prosomium projected cone, eyes not seen (
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<figureCitation box="[529,633,437,464]" captionStart="FIG" captionStartId="30.[113,124,903,921]" captionTargetBox="[116,1205,217,862]" captionTargetId="figure-398@30.[113,1209,214,865]" captionTargetPageId="30" captionText="FIG. 12. — Paratherochaeta orensanzi n. sp., A-C, holotype (MACN 39031); A, lateral view, cephalic hood exposed; B, anterior end, dorsal view;C, anterior end,ventral view;D, paratype (ECOSUR),head,frontal view;E, same,chaetiger 4, right parapodium;F-G, same, chaetiger 16, right parapodium; G, same, posterior chaetiger, D, right parapodium,neurochaetae. Abbreviations: BS, branchial scars; LL, lateral lip; PS, palp scar. Scale bars: A, B, 1.5 mm; C, 1.9 mm; D, 44 µm; E, 0.36 mm; F, 0.26 mm; G, 110 µm." figureDoi="http://doi.org/10.5281/zenodo.7191298" httpUri="https://zenodo.org/record/7191298/files/figure.png" pageId="29" pageNumber="256">Fig. 12D</figureCitation>
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). Caruncle not reaching branchial plate margin. Palps and branchiae lost. Branchiae arranged into two marginal dorsolateral groups, about 36 filaments per side. Nephridial lobes placed between branchial rows.
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</paragraph>
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<paragraph blockId="29.[111,649,216,1699]" pageId="29" pageNumber="256">Cephalic cage partly damaged, remaining chaetae three times as long as body width. Chaetigers 1-2 involved in cephalic cage, chaetiger 2 displaced anteriorly; chaetiger 3 with chaetae shorter, not contributing to cage. Cephalic cage chaetae arranged in short series; chaetiger 1 with seven-eight notochaetae, seven-eight neurochaetae; chaetiger 2 with seven notochaetae and five neurochaetae.</paragraph>
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<paragraph blockId="29.[111,649,216,1699]" pageId="29" pageNumber="256">Anterior dorsal margin of first chaetiger with a short truncate lobe (papillae eroded). Anterior chaetigers with long papillae in chaetal lobes, not arranged in transverse series. Chaetiger 2 longer than chaetigers 1 or 3; constriction between chaetigers 2-3 indistinct.</paragraph>
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<paragraph blockId="29.[111,649,216,1699]" pageId="29" pageNumber="256">
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Sand cemented anterior shield surrounding chaetigers 1-5, interrupted posteriorly (
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<figureCitation box="[459,581,1103,1129]" captionStart="FIG" captionStartId="30.[113,124,903,921]" captionTargetBox="[116,1205,217,862]" captionTargetId="figure-398@30.[113,1209,214,865]" captionTargetPageId="30" captionText="FIG. 12. — Paratherochaeta orensanzi n. sp., A-C, holotype (MACN 39031); A, lateral view, cephalic hood exposed; B, anterior end, dorsal view;C, anterior end,ventral view;D, paratype (ECOSUR),head,frontal view;E, same,chaetiger 4, right parapodium;F-G, same, chaetiger 16, right parapodium; G, same, posterior chaetiger, D, right parapodium,neurochaetae. Abbreviations: BS, branchial scars; LL, lateral lip; PS, palp scar. Scale bars: A, B, 1.5 mm; C, 1.9 mm; D, 44 µm; E, 0.36 mm; F, 0.26 mm; G, 110 µm." figureDoi="http://doi.org/10.5281/zenodo.7191298" httpUri="https://zenodo.org/record/7191298/files/figure.png" pageId="29" pageNumber="256">Fig. 12A, B</figureCitation>
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), stiff, ventrally discontinuous (
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<figureCitation box="[380,480,1134,1161]" captionStart="FIG" captionStartId="30.[113,124,903,921]" captionTargetBox="[116,1205,217,862]" captionTargetId="figure-398@30.[113,1209,214,865]" captionTargetPageId="30" captionText="FIG. 12. — Paratherochaeta orensanzi n. sp., A-C, holotype (MACN 39031); A, lateral view, cephalic hood exposed; B, anterior end, dorsal view;C, anterior end,ventral view;D, paratype (ECOSUR),head,frontal view;E, same,chaetiger 4, right parapodium;F-G, same, chaetiger 16, right parapodium; G, same, posterior chaetiger, D, right parapodium,neurochaetae. Abbreviations: BS, branchial scars; LL, lateral lip; PS, palp scar. Scale bars: A, B, 1.5 mm; C, 1.9 mm; D, 44 µm; E, 0.36 mm; F, 0.26 mm; G, 110 µm." figureDoi="http://doi.org/10.5281/zenodo.7191298" httpUri="https://zenodo.org/record/7191298/files/figure.png" pageId="29" pageNumber="256">Fig. 12C</figureCitation>
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). Chaetal transition from cephalic cage to body chaetae abrupt, chaetigers 1-4 with multiarticulate capillary neurochaetae (
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<figureCitation box="[227,321,1229,1256]" captionStart="FIG" captionStartId="30.[113,124,903,921]" captionTargetBox="[116,1205,217,862]" captionTargetId="figure-398@30.[113,1209,214,865]" captionTargetPageId="30" captionText="FIG. 12. — Paratherochaeta orensanzi n. sp., A-C, holotype (MACN 39031); A, lateral view, cephalic hood exposed; B, anterior end, dorsal view;C, anterior end,ventral view;D, paratype (ECOSUR),head,frontal view;E, same,chaetiger 4, right parapodium;F-G, same, chaetiger 16, right parapodium; G, same, posterior chaetiger, D, right parapodium,neurochaetae. Abbreviations: BS, branchial scars; LL, lateral lip; PS, palp scar. Scale bars: A, B, 1.5 mm; C, 1.9 mm; D, 44 µm; E, 0.36 mm; F, 0.26 mm; G, 110 µm." figureDoi="http://doi.org/10.5281/zenodo.7191298" httpUri="https://zenodo.org/record/7191298/files/figure.png" pageId="29" pageNumber="256">Fig. 12E</figureCitation>
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); anchylosed neurohooks from chaetiger 5. Gonopodial lobes reduced to dark pores, in chaetiger 5, placed slightly ahead of neurohooks (or their scars).
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</paragraph>
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<paragraph blockId="29.[111,649,216,1699]" pageId="29" pageNumber="256">Parapodia better developed in anterior chaetigers; remaining parapodia reduced, chaetae emerging from body wall. Parapodia lateral; median neuropodia ventrolaeral. Noto- and neurochaetae low lobes, barely noticeable; without long chaetal lobe papillae, or interramal papillae, probably eroded. Noto- and neuropodia distant to each other.</paragraph>
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<paragraph blockId="29.[111,649,216,1699]" lastBlockId="29.[675,1211,216,463]" pageId="29" pageNumber="256">
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Median notochaetae arranged in short longitudinal series; all multiarticulated capillaries, most broken, two per bundle, relative length to body width unknown, in median chaetigers each with short articles basally, medium sized medially, longer towards tip. Neurochaetae multiarticulated capillaries in chaetigers 1-4, falcate dark anchylosed hooks in remaining chaetigers, one-two in median chaetigers (
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<figureCitation box="[995,1086,342,369]" captionStart="FIG" captionStartId="30.[113,124,903,921]" captionTargetBox="[116,1205,217,862]" captionTargetId="figure-398@30.[113,1209,214,865]" captionTargetPageId="30" captionText="FIG. 12. — Paratherochaeta orensanzi n. sp., A-C, holotype (MACN 39031); A, lateral view, cephalic hood exposed; B, anterior end, dorsal view;C, anterior end,ventral view;D, paratype (ECOSUR),head,frontal view;E, same,chaetiger 4, right parapodium;F-G, same, chaetiger 16, right parapodium; G, same, posterior chaetiger, D, right parapodium,neurochaetae. Abbreviations: BS, branchial scars; LL, lateral lip; PS, palp scar. Scale bars: A, B, 1.5 mm; C, 1.9 mm; D, 44 µm; E, 0.36 mm; F, 0.26 mm; G, 110 µm." figureDoi="http://doi.org/10.5281/zenodo.7191298" httpUri="https://zenodo.org/record/7191298/files/figure.png" pageId="29" pageNumber="256">Fig. 12F</figureCitation>
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), three-four in posterior chaetigers (
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<figureCitation box="[946,1054,374,400]" captionStart="FIG" captionStartId="30.[113,124,903,921]" captionTargetBox="[116,1205,217,862]" captionTargetId="figure-398@30.[113,1209,214,865]" captionTargetPageId="30" captionText="FIG. 12. — Paratherochaeta orensanzi n. sp., A-C, holotype (MACN 39031); A, lateral view, cephalic hood exposed; B, anterior end, dorsal view;C, anterior end,ventral view;D, paratype (ECOSUR),head,frontal view;E, same,chaetiger 4, right parapodium;F-G, same, chaetiger 16, right parapodium; G, same, posterior chaetiger, D, right parapodium,neurochaetae. Abbreviations: BS, branchial scars; LL, lateral lip; PS, palp scar. Scale bars: A, B, 1.5 mm; C, 1.9 mm; D, 44 µm; E, 0.36 mm; F, 0.26 mm; G, 110 µm." figureDoi="http://doi.org/10.5281/zenodo.7191298" httpUri="https://zenodo.org/record/7191298/files/figure.png" pageId="29" pageNumber="256">Fig. 12G</figureCitation>
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), arranged in transverse series.
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</paragraph>
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<paragraph blockId="29.[675,1211,216,463]" box="[699,960,437,463]" pageId="29" pageNumber="256">Posterior end unknown.</paragraph>
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</subSubSection>
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<subSubSection pageId="29" pageNumber="256" type="discussion">
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<paragraph blockId="29.[675,1211,501,685]" box="[677,777,501,527]" pageId="29" pageNumber="256">REMARKS</paragraph>
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<paragraph blockId="29.[675,1211,501,685]" pageId="29" pageNumber="256">
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<taxonomicName authority="Salazar-Vallejo, 2013" authorityName="Salazar-Vallejo" authorityYear="2013" box="[677,947,533,559]" class="Polychaeta" family="Flabelligeridae" genus="Paratherochaeta" kingdom="Animalia" order="Terebellida" pageId="29" pageNumber="256" phylum="Annelida" rank="species" species="orensanzi" status="n. sp.">
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<emphasis box="[677,947,533,559]" italics="true" pageId="29" pageNumber="256">Paratherochaeta orensanzi</emphasis>
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</taxonomicName>
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<taxonomicNameLabel box="[956,1017,533,559]" pageId="29" pageNumber="256" rank="species">n. sp.</taxonomicNameLabel>
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is unique among the species provided with a thin sediment shield and falcate neurohooks, because its sediment cover is reduced to a thin crust along chaetigers 1-5 and it is midventrally discontinuous.
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</paragraph>
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</subSubSection>
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</treatment>
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</document>
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