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<document id="A08D2546D845C864912209C96DFAF479" ID-DOI="10.5852/ejt.2024.947.2621" ID-ISSN="2118-9773" ID-Zenodo-Dep="13193489" ID-ZooBank="82A4C7AD-656F-46C3-90A5-DE17B49E776B" IM.bibliography_approvedBy="julia" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="julia" IM.metadata_approvedBy="julia" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="julia" checkinTime="1722624744350" checkinUser="plazi" docAuthor="Mendes, Samuel Lucas Da Silva Delgado, Paiva, Paulo Cesar De &amp; Rizzo, Alexandra E." docDate="2024" docId="5C6887BDCA5577429C16FD7BFD74F8D8" docLanguage="en" docName="EJT.2024.947.88-108.pdf" docOrigin="European Journal of Taxonomy 947" docSource="https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/2621/12029" docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.14:EJT.2018-.journal_article.type1" docStyleId="EF2B578F1D15862ADE45B0C07C620911" docStyleName="EJT.2018-.journal_article.type1" docStyleVersion="14" docTitle="Asclerocheilus geiseae Mendes, Paiva &amp; Rizzo, 2024, sp. nov." docType="treatment" docUuid="1FAE1F5A-0E5E-4F38-8DF1-726A8F981D18" docUuidSource="ZooBank" docVersion="3" lastPageNumber="96" masterDocId="A051FFC5CA51774A9E49FFE6FF9CFFDE" masterDocTitle="On species of Asclerocheilus Ashworth, 1901 (Annelida: Scalibregmatidae) from Brazil" masterLastPageNumber="108" masterPageNumber="88" pageNumber="92" updateTime="1723127995033" updateUser="julia" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0" zenodo-license-treatments="UNSPECIFIED">
<mods:mods id="D32F85499DA7DC82A546A0BC7411CDF2" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="8116A53A1D30CC81D464EC22CC175D73">
<mods:title id="441592605335F5D4B048D9D7FDF92EA7">On species of Asclerocheilus Ashworth, 1901 (Annelida: Scalibregmatidae) from Brazil</mods:title>
</mods:titleInfo>
<mods:name id="3850C5667E3B060BC1172D6A44BB1184" type="personal">
<mods:role id="BAC0DE0AAFA440189FA2A0260C716508">
<mods:roleTerm id="57F6A42F063199ED862C635DAC1F8AD8">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="F8AC22795923B5B392E1390CE172689A">Mendes, Samuel Lucas Da Silva Delgado</mods:namePart>
<mods:affiliation id="F0F5B3E021F9072F9BE8E8E65C8D9527">Universidade Federal do Rio de Janeiro, Programa de Pós-graduação em Zoologia, Museu Nacional, Quinta da Boa Vista, São Cristóvão, Rio de Janeiro, Brazil.</mods:affiliation>
<mods:nameIdentifier id="9F29E0DE554D4AF9C151CEFF7073B8EA" type="email">samueldelgadomendes@gmail.com</mods:nameIdentifier>
</mods:name>
<mods:name id="17CE1423C55DB2877D41E0B74ACF7A09" type="personal">
<mods:role id="F41681FF9B2ECD49CF22CB9DEC140632">
<mods:roleTerm id="B8CF18E36D65444F42ABC159774AED24">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="73CAF4B07E38F32E00191AF356ED8851">Paiva, Paulo Cesar De</mods:namePart>
<mods:affiliation id="1E0999AAB41CC621C6E53CE922C29D2F">Universidade Federal do Rio de Janeiro, Departamento de Zoologia, Taxonomy Nucleus – TaxoN, Av. Carlos Chagas Filho, 79, 21941 - 599 Cidade Universitária, Rio de Janeiro, Brazil.</mods:affiliation>
</mods:name>
<mods:name id="09562F50F3120AA4B0C10CF728844116" type="personal">
<mods:role id="20060E6F96B08CFBDECCD98CF7C146C4">
<mods:roleTerm id="05FE392BEF51F268BF1ECA375762A6DC">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="3A4EBED9CF003CFD6D36CF9C999C6608">Rizzo, Alexandra E.</mods:namePart>
<mods:nameIdentifier id="30F8A0DE65134B5ACBE990B859527480" type="LSID">4EFF4F30-3957-4C49-834C-354966630B20</mods:nameIdentifier>
<mods:affiliation id="FCA588FAE18573B45BCC027D4A28E42C">Universidade do Estado do Rio de Janeiro, Departamento de Zoologia, Rua São Francisco Xavier, 524, Pavilhão Haroldo Lisboa Cunha, 20550 - 900 Maracana, Rio de Janeiro, Brazil.</mods:affiliation>
<mods:nameIdentifier id="887284A49B7D0EFC7D4D2E0FEAC29BA5" type="email">aerizzo@hotmail.com</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource id="92120473C0A5E605C1E7293497065DBA">text</mods:typeOfResource>
<mods:relatedItem id="8CDE919CE521F7FD2C286BAEAE439650" type="host">
<mods:titleInfo id="56AC071A2668FE9FC2787BA83F9EDEBA">
<mods:title id="2F769F04F54069DDA4D2625DF53394DA">European Journal of Taxonomy</mods:title>
</mods:titleInfo>
<mods:part id="B526D00D05924A08E9EB799CC4B631AF">
<mods:date id="BD17CA6354F8C49DE465E9ED428C452C">2024</mods:date>
<mods:detail id="C5235E34B31D3D401518A05852AF1E5F" type="pubDate">
<mods:number id="5E4C39AFB9575192FB8B9A2458CD305C">2024-08-01</mods:number>
</mods:detail>
<mods:detail id="634DB742A91E23F02A2B240EF76C3573" type="volume">
<mods:number id="05AEE85F3B44363B7FD011CFE417EB94">947</mods:number>
</mods:detail>
<mods:extent id="BC2C241F040643372CA101EA54D305F3" unit="page">
<mods:start id="E57C2475B2611A3634777919115E9954">88</mods:start>
<mods:end id="82CBA7D21B4E7E017537FFDD40F9D987">108</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location id="C57EA07AB3BF6D46D3D47404A3C77801">
<mods:url id="4C1435D2D68507F916EA6F1904F25499">https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/2621/12029</mods:url>
</mods:location>
<mods:classification id="D2283F74F5807A6C2228FA28592B7AD1">journal article</mods:classification>
<mods:identifier id="C7FB6CD59FBCF40EB9F6C6402B3E9741" type="DOI">10.5852/ejt.2024.947.2621</mods:identifier>
<mods:identifier id="BE03FFC41858B516B308C898AEB629FE" type="ISSN">2118-9773</mods:identifier>
<mods:identifier id="D165DB0E1460AB8975D9684A0EE4BC10" type="Zenodo-Dep">13193489</mods:identifier>
<mods:identifier id="4E5AAA0717F7ED5E0A39630256B4475E" type="ZooBank">82A4C7AD-656F-46C3-90A5-DE17B49E776B</mods:identifier>
</mods:mods>
<treatment id="5C6887BDCA5577429C16FD7BFD74F8D8" LSID="urn:lsid:zoobank.org:act:1FAE1F5A-0E5E-4F38-8DF1-726A8F981D18" httpUri="http://treatment.plazi.org/id/5C6887BDCA5577429C16FD7BFD74F8D8" lastPageId="8" lastPageNumber="96" pageId="4" pageNumber="92">
<subSubSection id="9CDB6520CA55774E9C16FD7BFB5EFD02" pageId="4" pageNumber="92" type="nomenclature">
<paragraph id="D47E36ABCA55774E9C16FD7BFC49FD66" blockId="4.[369,1218,669,766]" box="[607,981,669,696]" pageId="4" pageNumber="92">
<heading id="8F3681C7CA55774E9C16FD7BFC49FD66" box="[607,981,669,696]" centered="true" fontSize="11" level="2" pageId="4" pageNumber="92" reason="2">
<taxonomicName id="13C14D28CA55774E9C16FD7BFCEFFD66" authorityName="Mendes &amp; Paiva &amp; Rizzo" authorityYear="2024" box="[607,883,669,696]" class="Polychaeta" family="Scalibregmatidae" genus="Asclerocheilus" kingdom="Animalia" pageId="4" pageNumber="92" phylum="Annelida" rank="species" species="geiseae" status="sp. nov.">
<emphasis id="E6B5EAB9CA55774E9C16FD7BFCEFFD66" bold="true" box="[607,883,669,696]" italics="true" pageId="4" pageNumber="92">Asclerocheilus geiseae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="FD8657C2CA55774E9D32FD78FC49FD66" box="[891,981,670,696]" pageId="4" pageNumber="92" rank="species">sp. nov.</taxonomicNameLabel>
</heading>
</paragraph>
<paragraph id="D47E36ABCA55774E9F38FD27FB5EFD02" blockId="4.[369,1218,669,766]" box="[369,1218,705,732]" pageId="4" pageNumber="92">
<uri id="A0503AA9CA55774E9F38FD27FB5EFD02" box="[369,1218,705,732]" pageId="4" pageNumber="92">
urn:lsid:zoobank.org:act:
<uuid id="A0670C7ECA55774E9CDFFD27FB5EFD02" box="[662,1218,705,732]" pageId="4" pageNumber="92">1FAE1F5A-0E5E-4F38-8DF1-726A8F981D18</uuid>
</uri>
</paragraph>
</subSubSection>
<subSubSection id="9CDB6520CA55774E9CAEFD02FCD1FD20" box="[743,845,740,766]" pageId="4" pageNumber="92" type="description">
<paragraph id="D47E36ABCA55774E9CAEFD02FCD1FD20" blockId="4.[369,1218,669,766]" box="[743,845,740,766]" pageId="4" pageNumber="92">
<figureCitation id="4CFA2A2ECA55774E9CAEFD02FCD1FD20" box="[743,845,740,766]" captionStart-0="Fig" captionStart-1="Fig" captionStart-2="Fig" captionStartId-0="5.[189,232,1891,1917]" captionStartId-1="6.[189,232,1892,1918]" captionStartId-2="7.[189,232,1892,1918]" captionTargetBox-0="[249,1316,283,1817]" captionTargetBox-1="[189,1398,489,1855]" captionTargetBox-2="[232,1355,265,1854]" captionTargetId-0="figure-16@5.[237,1350,265,1854]" captionTargetId-1="figure-81@6.[189,1398,489,1855]" captionTargetId-2="figure-16@7.[232,1355,265,1855]" captionTargetPageId-0="5" captionTargetPageId-1="6" captionTargetPageId-2="7" captionText-0="Fig. 1. Asclerocheilus geiseae sp. nov., holotype (UERJ-8065), schematic representation. A. Ventral view of anterior region. B. Lateral view of anterior region. C. Acicular spine with rounded tip present on chaetigers 1–2. D. Acicular spine with pointed tip present only on chaetiger 3. E. Lyrate chaeta. Abbreviations: see Material and methods." captionText-1="Fig. 2. Asclerocheilus geiseae sp. nov., paratype (UERJ-8066), under optical microscopy, specimens stained with Shirlastain A. A. Latero-ventral view of anterior body. B. Acicular spines with rounded tips. C. Acicular spine with pointed tip. D. Mid-body chaetigers in lateral view. E. Lyrate chaetae. Abbreviations: see Material and methods." captionText-2="Fig. 3. Asclerocheilus geiseae sp. nov., under SEM. A. Ventral view of anterior body. B. Prostomium and peristomium in ventral view. C. Acicular spines with rounded tips. D. Lyrate chaetae. E. Ventral view of posterior most chaetigers and pygidium, only two cirri are present, the others were lost in this specimen. Abbreviations: see Material and methods." figureDoi-0="http://doi.org/10.5281/zenodo.13193491" figureDoi-1="http://doi.org/10.5281/zenodo.13193493" figureDoi-2="http://doi.org/10.5281/zenodo.13193495" httpUri-0="https://zenodo.org/record/13193491/files/figure.png" httpUri-1="https://zenodo.org/record/13193493/files/figure.png" httpUri-2="https://zenodo.org/record/13193495/files/figure.png" pageId="4" pageNumber="92">Figs 1–3</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="9CDB6520CA55774E9EF4FCC3FAB8FBC0" pageId="4" pageNumber="92" type="diagnosis">
<paragraph id="D47E36ABCA55774E9EF4FCC3FEABFCE1" blockId="4.[189,311,805,831]" box="[189,311,805,831]" pageId="4" pageNumber="92">
<heading id="8F3681C7CA55774E9EF4FCC3FEABFCE1" bold="true" box="[189,311,805,831]" fontSize="11" level="3" pageId="4" pageNumber="92" reason="3">
<emphasis id="E6B5EAB9CA55774E9EF4FCC3FEABFCE1" bold="true" box="[189,311,805,831]" pageId="4" pageNumber="92">Diagnosis</emphasis>
</heading>
</paragraph>
<paragraph id="D47E36ABCA55774E9EF4FCB2FAB8FBC0" blockId="4.[187,1401,852,1055]" pageId="4" pageNumber="92">Triangular prostomium, with two long horns, both thin and projected upwards. Eyes absent. Ventral groove present from chaetiger 1 with first pad asymmetrically rounded, contributing to mouth’s lower lip formation. Acicular spines present on chaetigers 1–3 on notopodia, and 1–2 on neuropodia. Short spinous chaetae not observed. Lyrate chaetae present from chaetiger 2 on neuropodia and 3 on notopodia. Anterior chaetigers parapodial lobes larger, more prominent, present as broad blunted projection in both noto- and neuropodia. Pygidium present as short uniannulated segment, with crenulated margin.</paragraph>
</subSubSection>
<subSubSection id="9CDB6520CA55774E9EF4FBA0FE47FB0B" pageId="4" pageNumber="92" type="etymology">
<paragraph id="D47E36ABCA55774E9EF4FBA0FED9FBBE" blockId="4.[189,325,1094,1120]" box="[189,325,1094,1120]" pageId="4" pageNumber="92">
<heading id="8F3681C7CA55774E9EF4FBA0FED9FBBE" bold="true" box="[189,325,1094,1120]" fontSize="11" level="3" pageId="4" pageNumber="92" reason="3">
<emphasis id="E6B5EAB9CA55774E9EF4FBA0FED9FBBE" bold="true" box="[189,325,1094,1120]" pageId="4" pageNumber="92">Etymology</emphasis>
</heading>
</paragraph>
<paragraph id="D47E36ABCA55774E9EF4FB92FE47FB0B" blockId="4.[189,1399,1140,1237]" pageId="4" pageNumber="92">
The specific epithet
<taxonomicName id="13C14D28CA55774E9FE5FB92FD93FB50" authorityName="Mendes &amp; Paiva &amp; Rizzo" authorityYear="2024" box="[428,527,1140,1166]" class="Polychaeta" family="Scalibregmatidae" genus="Asclerocheilus" kingdom="Animalia" pageId="4" pageNumber="92" phylum="Annelida" rank="species" species="geiseae">
‘
<emphasis id="E6B5EAB9CA55774E9FFFFB93FD93FB50" box="[438,527,1141,1166]" italics="true" pageId="4" pageNumber="92">geiseae</emphasis>
</taxonomicName>
’ was chosen to honour the Brazilian mastozoologist Dr Lena Geise, from the
<collectingRegion id="1605F849CA55774E9EA0FB71FE48FB6C" box="[233,468,1175,1202]" country="Brazil" name="Rio de Janeiro" pageId="4" pageNumber="92">Rio de Janeiro State</collectingRegion>
University (UERJ), for her important contributions to Brazilian zoology and to celebrate our friendship.
</paragraph>
</subSubSection>
<subSubSection id="9CDB6520CA55774E9EF4FB1AFE77F97E" pageId="4" pageNumber="92" type="materials_examined">
<paragraph id="D47E36ABCA55774E9EF4FB1AFEF1FAC8" blockId="4.[189,365,1276,1302]" box="[189,365,1276,1302]" pageId="4" pageNumber="92">
<heading id="8F3681C7CA55774E9EF4FB1AFEF1FAC8" bold="true" box="[189,365,1276,1302]" fontSize="11" level="3" pageId="4" pageNumber="92" reason="3">
<emphasis id="E6B5EAB9CA55774E9EF4FB1AFEF1FAC8" bold="true" box="[189,365,1276,1302]" pageId="4" pageNumber="92">Type material</emphasis>
</heading>
</paragraph>
<paragraph id="D47E36ABCA55774E9EA3FACDFEC1FA9B" blockId="4.[188,1399,1323,1420]" box="[234,349,1323,1349]" pageId="4" pageNumber="92">
<emphasis id="E6B5EAB9CA55774E9EA3FACDFEC1FA9B" bold="true" box="[234,349,1323,1349]" pageId="4" pageNumber="92">
<typeStatus id="0B7A8809CA55774E9EA3FACDFEC1FA9B" box="[234,349,1323,1349]" pageId="4" pageNumber="92" type="holotype">Holotype</typeStatus>
</emphasis>
</paragraph>
<paragraph id="D47E36ABCA55774E9EF4FAA8FC12FA52" blockId="4.[188,1399,1323,1420]" pageId="4" pageNumber="92">
<materialsCitation id="64A93CF6CA55774E9EF4FAA8FC12FA52" collectingDate="2010-12" collectionCode="UERJ" collectorName="van Veen" country="Brazil" elevation="11" latitude="-19.959" location="Basin" longLatPrecision="76" longitude="-39.892" pageId="4" pageNumber="92" specimenCode="UERJ-8065" specimenCount="1" stateProvince="Espirito Santo" typeStatus="holotype">
<collectingCountry id="ACD6763BCA55774E9EF4FAA8FEBAFAB6" box="[189,294,1358,1384]" name="Brazil" pageId="4" pageNumber="92">BRAZIL</collectingCountry>
–
<emphasis id="E6B5EAB9CA55774E9F0BFAABFC95FAB9" bold="true" box="[322,777,1357,1384]" pageId="4" pageNumber="92">
<collectingRegion id="1605F849CA55774E9F0BFAABFE65FAB9" box="[322,505,1357,1384]" country="Brazil" name="Espirito Santo" pageId="4" pageNumber="92">Espírito Santo</collectingRegion>
, Espírito Santo
<location id="D11E6070CA55774E9C8BFAABFC95FAB9" LSID="urn:lsid:plazi:treatment:5C6887BDCA5577429C16FD7BFD74F8D8:D11E6070CA55774E9C8BFAABFC95FAB9" box="[706,777,1357,1383]" country="Brazil" latitude="-19.959" longLatPrecision="76" longitude="-39.892" name="Basin" pageId="4" pageNumber="92" stateProvince="Espirito Santo">Basin</location>
</emphasis>
• complete spec.;
<geoCoordinate id="B1F5506CCA55774E9D97FAA8FBCFFAB6" box="[990,1107,1358,1385]" degrees="19.959" direction="south" orientation="latitude" pageId="4" pageNumber="92" precision="55" value="-19.959">19.959° S</geoCoordinate>
,
<geoCoordinate id="B1F5506CCA55774E9A29FAA8FB7DFAB6" box="[1120,1249,1358,1384]" degrees="39.892" direction="west" orientation="longitude" pageId="4" pageNumber="92" precision="55" value="-39.892">39.892° W</geoCoordinate>
; depth
<quantity id="13399B4ECA55774E9B7DFAA8FAEDFAB6" box="[1332,1393,1358,1384]" metricMagnitude="1" metricUnit="m" metricValue="1.1" pageId="4" pageNumber="92" unit="m" value="11.0">
<elevation id="5FECD198CA55774E9B7DFAA8FAEDFAB6" box="[1332,1393,1358,1384]" metricMagnitude="1" metricUnit="m" metricValue="1.1" pageId="4" pageNumber="92" unit="m" value="11.0">11 m</elevation>
</quantity>
;
<date id="A07F106BCA55774E9EF5FA94FEA4FA55" box="[188,312,1393,1420]" pageId="4" pageNumber="92" value="2010-12">
<collectingDate id="B03BE983CA55774E9EF5FA94FEA4FA55" box="[188,312,1393,1420]" pageId="4" pageNumber="92" value="2010-12">Dec. 2010</collectingDate>
</date>
;
<collectorName id="7934537DCA55774E9F0CFA94FE2DFA52" box="[325,433,1394,1420]" pageId="4" pageNumber="92">van Veen</collectorName>
grab; subtidal zone;
<collectionCode id="B2D0AE6ECA55774E9CEEFA94FD6CFA52" box="[679,752,1394,1420]" pageId="4" pageNumber="92">UERJ</collectionCode>
,
<specimenCode id="84679ED0CA55774E9CB5FA97FC16FA52" box="[764,906,1393,1420]" collectionCode="UERJ-" pageId="4" pageNumber="92">UERJ-8065</specimenCode>
.
</materialsCitation>
</paragraph>
<paragraph id="D47E36ABCA55774E9EA3FA55FEF5FA13" blockId="4.[188,1400,1459,1696]" box="[234,361,1459,1485]" pageId="4" pageNumber="92">
<emphasis id="E6B5EAB9CA55774E9EA3FA55FEF5FA13" bold="true" box="[234,361,1459,1485]" pageId="4" pageNumber="92">
<typeStatus id="0B7A8809CA55774E9EA3FA55FEF5FA13" box="[234,361,1459,1485]" pageId="4" pageNumber="92" type="paratype">Paratypes</typeStatus>
</emphasis>
</paragraph>
<paragraph id="D47E36ABCA55774E9EF4FA30FE77F97E" blockId="4.[188,1400,1459,1696]" pageId="4" pageNumber="92">
<materialsCitation id="64A93CF6CA55774E9EF4FA30FB0AF9CD" collectingDate="2010-12" collectionCode="UERJ" collectorName="van Veen" country="Brazil" elevation="11" latitude="-19.96" location="Espirito Santo" longLatPrecision="76" longitude="-39.892" pageId="4" pageNumber="92" specimenCode="UERJ-8066" specimenCount="1" stateProvince="Espirito Santo" typeStatus="paratype">
<collectingCountry id="ACD6763BCA55774E9EF4FA30FEBAFA2E" box="[189,294,1494,1520]" name="Brazil" pageId="4" pageNumber="92">BRAZIL</collectingCountry>
–
<emphasis id="E6B5EAB9CA55774E9F01FA33FC84FA31" bold="true" box="[328,792,1493,1520]" pageId="4" pageNumber="92">
<collectingRegion id="1605F849CA55774E9F01FA33FD9DFA31" box="[328,513,1493,1520]" country="Brazil" name="Espirito Santo" pageId="4" pageNumber="92">Espírito Santo</collectingRegion>
, Espírito Santo Basin
</emphasis>
• 1 complete spec., 1 incomplete spec.;
<geoCoordinate id="B1F5506CCA55774E9AB0FA33FAEDFA2E" box="[1273,1393,1493,1520]" degrees="19.960" direction="south" orientation="latitude" pageId="4" pageNumber="92" precision="55" value="-19.96">19.960° S</geoCoordinate>
,
<geoCoordinate id="B1F5506CCA55774E9EF6FA1FFEA3F9CD" box="[191,319,1529,1555]" degrees="39.892" direction="west" orientation="longitude" pageId="4" pageNumber="92" precision="55" value="-39.892">39.892° W</geoCoordinate>
;depth
<quantity id="13399B4ECA55774E9FC6FA1FFE57F9CD" box="[399,459,1529,1555]" metricMagnitude="1" metricUnit="m" metricValue="1.1" pageId="4" pageNumber="92" unit="m" value="11.0">
<elevation id="5FECD198CA55774E9FC6FA1FFE57F9CD" box="[399,459,1529,1555]" metricMagnitude="1" metricUnit="m" metricValue="1.1" pageId="4" pageNumber="92" unit="m" value="11.0">11 m</elevation>
</quantity>
;
<date id="A07F106BCA55774E9F9EFA1FFDCDF9CD" box="[471,593,1529,1555]" pageId="4" pageNumber="92" value="2010-12">
<collectingDate id="B03BE983CA55774E9F9EFA1FFDCDF9CD" box="[471,593,1529,1555]" pageId="4" pageNumber="92" value="2010-12">Dec. 2010</collectingDate>
</date>
;
<collectorName id="7934537DCA55774E9C15FA1FFD5BF9CD" box="[604,711,1529,1555]" pageId="4" pageNumber="92">van Veen</collectorName>
grab; subtidal zone;
<collectionCode id="B2D0AE6ECA55774E9DF1FA1FFB9DF9CD" box="[952,1025,1529,1555]" pageId="4" pageNumber="92">UERJ</collectionCode>
,
<specimenCode id="84679ED0CA55774E9A42FA1FFB0AF9CD" box="[1035,1174,1529,1555]" collectionCode="UERJ-" pageId="4" pageNumber="92">UERJ-8066</specimenCode>
</materialsCitation>
•
<materialsCitation id="64A93CF6CA55774E9AE2FA1FFAD7F9E8" collectingDate="2011-07" collectionCode="UERJ" collectorName="Veen" country="Brazil" elevation="47" latitude="-19.959" longLatPrecision="52" longitude="-39.893" pageId="4" pageNumber="92" specimenCode="UERJ-8067" specimenCount="1" stateProvince="Basin" typeStatus="paratype">
<specimenCount id="C2C7FD22CA55774E9AE2FA1FFB26F9CD" box="[1195,1210,1529,1555]" count="1" pageId="4" pageNumber="92" type="generic">1</specimenCount>
complete spec.;
<geoCoordinate id="B1F5506CCA55774E9EF5F9FAFEDEF9E8" box="[188,322,1564,1591]" degrees="19.9590" direction="south" orientation="latitude" pageId="4" pageNumber="92" precision="5" value="-19.959">19.9590° S</geoCoordinate>
,
<geoCoordinate id="B1F5506CCA55774E9F1AF9FAFE4FF9E9" box="[339,467,1564,1591]" degrees="39.893" direction="west" orientation="longitude" pageId="4" pageNumber="92" precision="55" value="-39.893">39.893° W</geoCoordinate>
; depth
<quantity id="13399B4ECA55774E9C66F9FAFDECF9E9" box="[559,624,1564,1591]" metricMagnitude="1" metricUnit="m" metricValue="4.7" pageId="4" pageNumber="92" unit="m" value="47.0">
<elevation id="5FECD198CA55774E9C66F9FAFDECF9E9" box="[559,624,1564,1591]" metricMagnitude="1" metricUnit="m" metricValue="4.7" pageId="4" pageNumber="92" unit="m" value="47.0">
<specimenCount id="C2C7FD22CA55774E9C66F9FAFDECF9E9" box="[559,624,1564,1591]" pageId="4" pageNumber="92" type="male">47 m</specimenCount>
</elevation>
</quantity>
;
<date id="A07F106BCA55774E9C37F9FAFD72F9E8" box="[638,750,1564,1590]" pageId="4" pageNumber="92" value="2011-07">
<collectingDate id="B03BE983CA55774E9C37F9FAFD72F9E8" box="[638,750,1564,1590]" pageId="4" pageNumber="92" value="2011-07">Jul. 2011</collectingDate>
</date>
; van
<collectorName id="7934537DCA55774E9D7BF9FBFCF1F9E9" box="[818,877,1565,1591]" pageId="4" pageNumber="92">Veen</collectorName>
grab; subtidal zone;
<collectionCode id="B2D0AE6ECA55774E9A22F9FBFB28F9E9" box="[1131,1204,1565,1591]" collectionName="UERJ" pageId="4" pageNumber="92">UERJ</collectionCode>
,
<specimenCode id="84679ED0CA55774E9A89F9FAFAD7F9E8" box="[1216,1355,1564,1590]" collectionCode="UERJ-" pageId="4" pageNumber="92">UERJ-8067</specimenCode>
</materialsCitation>
•
<materialsCitation id="64A93CF6CA55774E9B21F9FAFED4F9A3" collectingDate="2010-12" collectionCode="UERJ" collectorName="Veen" country="Brazil" elevation="47" latitude="-19.959" longLatPrecision="76" longitude="-39.892" pageId="4" pageNumber="92" specimenCode="UERJ-9223" specimenCount="1" stateProvince="Basin" typeStatus="paratype">
<specimenCount id="C2C7FD22CA55774E9B21F9FAFAEBF9E8" box="[1384,1399,1564,1590]" count="1" pageId="4" pageNumber="92" type="generic">1</specimenCount>
complete spec.;
<geoCoordinate id="B1F5506CCA55774E9FC8F9D9FE69F987" box="[385,501,1599,1626]" degrees="19.959" direction="south" orientation="latitude" pageId="4" pageNumber="92" precision="55" value="-19.959">19.959° S</geoCoordinate>
,
<geoCoordinate id="B1F5506CCA55774E9C4FF9D9FD1AF984" box="[518,646,1599,1626]" degrees="39.892" direction="west" orientation="longitude" pageId="4" pageNumber="92" precision="55" value="-39.892">39.892° W</geoCoordinate>
; depth
<quantity id="13399B4ECA55774E9CABF9D9FCBEF984" box="[738,802,1599,1626]" metricMagnitude="1" metricUnit="m" metricValue="4.7" pageId="4" pageNumber="92" unit="m" value="47.0">
<elevation id="5FECD198CA55774E9CABF9D9FCBEF984" box="[738,802,1599,1626]" metricMagnitude="1" metricUnit="m" metricValue="4.7" pageId="4" pageNumber="92" unit="m" value="47.0">47 m</elevation>
</quantity>
;
<date id="A07F106BCA55774E9D78F9A6FC33F987" box="[817,943,1599,1626]" pageId="4" pageNumber="92" value="2010-12">
<collectingDate id="B03BE983CA55774E9D78F9A6FC33F987" box="[817,943,1599,1626]" pageId="4" pageNumber="92" value="2010-12">Dec. 2010</collectingDate>
</date>
; van
<collectorName id="7934537DCA55774E9DBBF9A6FBB1F984" box="[1010,1069,1600,1626]" pageId="4" pageNumber="92">Veen</collectorName>
grab; subtidal zone;
<collectionCode id="B2D0AE6ECA55774E9B62F9A6FAE8F984" box="[1323,1396,1600,1626]" collectionName="UERJ" pageId="4" pageNumber="92">UERJ</collectionCode>
,
<specimenCode id="84679ED0CA55774E9EF4F985FED4F9A3" box="[189,328,1635,1661]" collectionCode="UERJ-" pageId="4" pageNumber="92">UERJ-9223</specimenCode>
</materialsCitation>
•
<materialsCitation id="64A93CF6CA55774E9F28F985FE7BF97E" collectingDate="2010-12" collectionCode="UERJ" collectorName="Veen" country="Brazil" elevation="47" latitude="-19.959" longLatPrecision="76" longitude="-39.892" pageId="4" pageNumber="92" specimenCode="UERJ-9224" specimenCount="1" stateProvince="Basin" typeStatus="paratype">
<specimenCount id="C2C7FD22CA55774E9F28F985FEECF9A3" box="[353,368,1635,1661]" count="1" pageId="4" pageNumber="92" type="generic">1</specimenCount>
complete spec.;
<geoCoordinate id="B1F5506CCA55774E9C7CF984FD35F9A3" box="[565,681,1634,1661]" degrees="19.959" direction="south" orientation="latitude" pageId="4" pageNumber="92" precision="55" value="-19.959">19.959° S</geoCoordinate>
,
<geoCoordinate id="B1F5506CCA55774E9CF1F985FCABF9A3" box="[696,823,1635,1661]" degrees="39.892" direction="west" orientation="longitude" pageId="4" pageNumber="92" precision="55" value="-39.892">39.892° W</geoCoordinate>
; depth
<quantity id="13399B4ECA55774E9DC6F985FC51F9A3" box="[911,973,1635,1661]" metricMagnitude="1" metricUnit="m" metricValue="4.7" pageId="4" pageNumber="92" unit="m" value="47.0">
<elevation id="5FECD198CA55774E9DC6F985FC51F9A3" box="[911,973,1635,1661]" metricMagnitude="1" metricUnit="m" metricValue="4.7" pageId="4" pageNumber="92" unit="m" value="47.0">47 m</elevation>
</quantity>
;
<date id="A07F106BCA55774E9D93F985FBCAF9A3" box="[986,1110,1635,1661]" pageId="4" pageNumber="92" value="2010-12">
<collectingDate id="B03BE983CA55774E9D93F985FBCAF9A3" box="[986,1110,1635,1661]" pageId="4" pageNumber="92" value="2010-12">Dec. 2010</collectingDate>
</date>
; van
<collectorName id="7934537DCA55774E9ADDF985FB53F9A3" box="[1172,1231,1635,1661]" pageId="4" pageNumber="92">Veen</collectorName>
grab; subtidal zone;
<collectionCode id="B2D0AE6ECA55774E9F4DF960FED1F97E" box="[260,333,1670,1696]" collectionName="UERJ" pageId="4" pageNumber="92">UERJ</collectionCode>
,
<specimenCode id="84679ED0CA55774E9F10F960FE7BF97E" box="[345,487,1670,1696]" collectionCode="UERJ-" pageId="4" pageNumber="92">UERJ-9224</specimenCode>
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="9CDB6520CA5577429EF4F921FB54FAA8" lastPageId="8" lastPageNumber="96" pageId="4" pageNumber="92" type="description">
<paragraph id="D47E36ABCA55774E9EF4F921FED3F93F" blockId="4.[189,335,1735,1761]" box="[189,335,1735,1761]" pageId="4" pageNumber="92">
<heading id="8F3681C7CA55774E9EF4F921FED3F93F" bold="true" box="[189,335,1735,1761]" fontSize="11" level="3" pageId="4" pageNumber="92" reason="3">
<emphasis id="E6B5EAB9CA55774E9EF4F921FED3F93F" bold="true" box="[189,335,1735,1761]" pageId="4" pageNumber="92">Description</emphasis>
</heading>
</paragraph>
<paragraph id="D47E36ABCA55774E9EF4F910FB6FF83D" blockId="4.[187,1400,1782,2019]" pageId="4" pageNumber="92">
<typeStatus id="0B7A8809CA55774E9EF4F910FEB6F8CE" box="[189,298,1782,1808]" pageId="4" pageNumber="92" type="holotype">Holotype</typeStatus>
complete,
<quantity id="13399B4ECA55774E9FE4F910FD9CF8CE" box="[429,512,1782,1808]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="4" pageNumber="92" unit="mm" value="10.0">10 mm</quantity>
long,
<quantity id="13399B4ECA55774E9C02F910FD0CF8CE" box="[587,656,1782,1808]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="4" pageNumber="92" unit="mm" value="1.0">1 mm</quantity>
wide over expanded region,
<quantity id="13399B4ECA55774E9DAEF910FBDEF8CE" box="[999,1090,1782,1808]" metricMagnitude="-4" metricUnit="m" metricValue="3.0" pageId="4" pageNumber="92" unit="mm" value="0.3">0.3 mm</quantity>
wide on narrowest region for 57 chaetigers. Medium-sized species,
<typeStatus id="0B7A8809CA55774E9CD5F8FFFC90F8ED" box="[668,780,1817,1843]" pageId="4" pageNumber="92" type="paratype">paratypes</typeStatus>
measuring
<quantity id="13399B4ECA55774E9DD8F8FFFC6DF8ED" box="[913,1009,1817,1844]" metricMagnitude="-3" metricUnit="m" metricValue="4.5" metricValueMax="5.0" metricValueMin="4.0" pageId="4" pageNumber="92" unit="mm" value="4.5" valueMax="5.0" valueMin="4.0">4–5 mm</quantity>
long,
<quantity id="13399B4ECA55774E9A7EF8FFFB5EF8ED" box="[1079,1218,1817,1843]" metricMagnitude="-4" metricUnit="m" metricValue="5.0" metricValueMax="6.0" metricValueMin="4.0" pageId="4" pageNumber="92" unit="mm" value="0.5" valueMax="0.6" valueMin="0.4">0.4–0.6 mm</quantity>
wide expanded on anterior region,
<quantity id="13399B4ECA55774E9FD0F8DAFDDFF889" box="[409,579,1852,1879]" metricMagnitude="-4" metricUnit="m" metricValue="1.9" metricValueMax="2.5" metricValueMin="1.3" pageId="4" pageNumber="92" unit="mm" value="0.19" valueMax="0.25" valueMin="0.13">0.13–0.25 mm</quantity>
wide on narrowest posterior region, for 32–44 chaetigerous segments. Body arenicoliform, weakly expanded over chaetigers 2–19. Colour in alcohol pale tan. Body surface covered by secondarily annulated rings. Secondary annuli composed by rounded to rectangular small pads, basally fused to each other, in both anterior and posterior regions. Annuli’s small pads on anterior region may be weaker in comparison to posterior region. Internal glands were not observed.
</paragraph>
<paragraph id="D47E36ABCA5777429EF4FEEFFD02FE53" blockId="6.[189,1400,265,433]" lastBlockId="8.[187,1399,265,397]" lastPageId="8" lastPageNumber="96" pageId="6" pageNumber="94">
Triangular prostomium, with two long horns, both thin and projected upwards (
<figureCitation id="4CFA2A2ECA57774C9A17FEEFFB7EFEFD" box="[1118,1250,265,291]" captionStart="Fig" captionStartId="5.[189,232,1891,1917]" captionTargetBox="[249,1316,283,1817]" captionTargetId="figure-16@5.[237,1350,265,1854]" captionTargetPageId="5" captionText="Fig. 1. Asclerocheilus geiseae sp. nov., holotype (UERJ-8065), schematic representation. A. Ventral view of anterior region. B. Lateral view of anterior region. C. Acicular spine with rounded tip present on chaetigers 1–2. D. Acicular spine with pointed tip present only on chaetiger 3. E. Lyrate chaeta. Abbreviations: see Material and methods." figureDoi="http://doi.org/10.5281/zenodo.13193491" httpUri="https://zenodo.org/record/13193491/files/figure.png" pageId="6" pageNumber="94">Figs 1A–B</figureCitation>
,
<figureCitation id="4CFA2A2ECA57774C9AA7FEEFFA8FFEFD" box="[1262,1299,265,291]" captionStart="Fig" captionStartId="6.[189,232,1892,1918]" captionTargetBox="[189,1398,489,1855]" captionTargetId="figure-81@6.[189,1398,489,1855]" captionTargetPageId="6" captionText="Fig. 2. Asclerocheilus geiseae sp. nov., paratype (UERJ-8066), under optical microscopy, specimens stained with Shirlastain A. A. Latero-ventral view of anterior body. B. Acicular spines with rounded tips. C. Acicular spine with pointed tip. D. Mid-body chaetigers in lateral view. E. Lyrate chaetae. Abbreviations: see Material and methods." figureDoi="http://doi.org/10.5281/zenodo.13193493" httpUri="https://zenodo.org/record/13193493/files/figure.png" pageId="6" pageNumber="94">2B</figureCitation>
,
<figureCitation id="4CFA2A2ECA57774C9B56FEEFFAF6FEFD" box="[1311,1386,265,291]" captionStart="Fig" captionStartId="7.[189,232,1892,1918]" captionTargetBox="[232,1355,265,1854]" captionTargetId="figure-16@7.[232,1355,265,1855]" captionTargetPageId="7" captionText="Fig. 3. Asclerocheilus geiseae sp. nov., under SEM. A. Ventral view of anterior body. B. Prostomium and peristomium in ventral view. C. Acicular spines with rounded tips. D. Lyrate chaetae. E. Ventral view of posterior most chaetigers and pygidium, only two cirri are present, the others were lost in this specimen. Abbreviations: see Material and methods." figureDoi="http://doi.org/10.5281/zenodo.13193495" httpUri="https://zenodo.org/record/13193495/files/figure.png" pageId="6" pageNumber="94">3A–B</figureCitation>
). Eyes absent. Nuchal organs not observed. Peristomium achaetous, uniannulated in
<typeStatus id="0B7A8809CA57774C9ADDFECAFB62FE98" box="[1172,1278,300,326]" pageId="6" pageNumber="94" type="holotype">holotype</typeStatus>
, but some
<typeStatus id="0B7A8809CA57774C9EF7FEB6FEB2FEB4" box="[190,302,336,362]" pageId="6" pageNumber="94" type="paratype">paratypes</typeStatus>
presented a peristomium biannulated ventrally and uniannulated dorsally. Proboscis smooth. Mouth’s lips presenting single row of paired lobes formed superiorly by peristomium and inferiorly by ventral groove first pad. Upper lip presents 5–6 lobules, lower lip presents 5–7 lobules. Ventral groove present from chaetiger 1 with first pad asymmetrically rounded, contributing to mouth’s lower lip formation on its superior margin (
<figureCitation id="4CFA2A2ECA5977429C38FECAFD69FE98" box="[625,757,300,326]" captionStart="Fig" captionStartId="5.[189,232,1891,1917]" captionTargetBox="[249,1316,283,1817]" captionTargetId="figure-16@5.[237,1350,265,1854]" captionTargetPageId="5" captionText="Fig. 1. Asclerocheilus geiseae sp. nov., holotype (UERJ-8065), schematic representation. A. Ventral view of anterior region. B. Lateral view of anterior region. C. Acicular spine with rounded tip present on chaetigers 1–2. D. Acicular spine with pointed tip present only on chaetiger 3. E. Lyrate chaeta. Abbreviations: see Material and methods." figureDoi="http://doi.org/10.5281/zenodo.13193491" httpUri="https://zenodo.org/record/13193491/files/figure.png" pageId="8" pageNumber="96">Figs 1A–B</figureCitation>
,
<figureCitation id="4CFA2A2ECA5977429D4BFECAFCD1FE98" box="[770,845,300,326]" captionStart="Fig" captionStartId="7.[189,232,1892,1918]" captionTargetBox="[232,1355,265,1854]" captionTargetId="figure-16@7.[232,1355,265,1855]" captionTargetPageId="7" captionText="Fig. 3. Asclerocheilus geiseae sp. nov., under SEM. A. Ventral view of anterior body. B. Prostomium and peristomium in ventral view. C. Acicular spines with rounded tips. D. Lyrate chaetae. E. Ventral view of posterior most chaetigers and pygidium, only two cirri are present, the others were lost in this specimen. Abbreviations: see Material and methods." figureDoi="http://doi.org/10.5281/zenodo.13193495" httpUri="https://zenodo.org/record/13193495/files/figure.png" pageId="8" pageNumber="96">3A–B</figureCitation>
). Quadrangular bi- to triannulated pads present from chaetiger 2, forming ventral mid-ridge up to end of the body. Each pad is paired to a single chaetiger. Posterior pads thinner than anterior ones.
</paragraph>
<paragraph id="D47E36ABCA5977429EF4FE52FD77FD36" blockId="8.[188,1401,436,744]" pageId="8" pageNumber="96">
Dorsally, chaetiger 1 with two secondary annuli connected to parapodial lobe, plus an intermediate annulation between chaetigers (
<figureCitation id="4CFA2A2ECA5977429C7EFE31FD21FE2F" box="[567,701,471,497]" captionStart="Fig" captionStartId="5.[189,232,1891,1917]" captionTargetBox="[249,1316,283,1817]" captionTargetId="figure-16@5.[237,1350,265,1854]" captionTargetPageId="5" captionText="Fig. 1. Asclerocheilus geiseae sp. nov., holotype (UERJ-8065), schematic representation. A. Ventral view of anterior region. B. Lateral view of anterior region. C. Acicular spine with rounded tip present on chaetigers 1–2. D. Acicular spine with pointed tip present only on chaetiger 3. E. Lyrate chaeta. Abbreviations: see Material and methods." figureDoi="http://doi.org/10.5281/zenodo.13193491" httpUri="https://zenodo.org/record/13193491/files/figure.png" pageId="8" pageNumber="96">Figs 1A–B</figureCitation>
,
<figureCitation id="4CFA2A2ECA5977429C85FE31FC8AFE2F" box="[716,790,471,497]" captionStart="Fig" captionStartId="7.[189,232,1892,1918]" captionTargetBox="[232,1355,265,1854]" captionTargetId="figure-16@7.[232,1355,265,1855]" captionTargetPageId="7" captionText="Fig. 3. Asclerocheilus geiseae sp. nov., under SEM. A. Ventral view of anterior body. B. Prostomium and peristomium in ventral view. C. Acicular spines with rounded tips. D. Lyrate chaetae. E. Ventral view of posterior most chaetigers and pygidium, only two cirri are present, the others were lost in this specimen. Abbreviations: see Material and methods." figureDoi="http://doi.org/10.5281/zenodo.13193495" httpUri="https://zenodo.org/record/13193495/files/figure.png" pageId="8" pageNumber="96">3A–B</figureCitation>
); following chaetigers with three secondary annuli connected to parapodial lobe, and an intermediate annulation between chaetigers (
<figureCitation id="4CFA2A2ECA5977429A3CFE1CFB69FDCB" box="[1141,1269,506,533]" captionStart="Fig" captionStartId="6.[189,232,1892,1918]" captionTargetBox="[189,1398,489,1855]" captionTargetId="figure-81@6.[189,1398,489,1855]" captionTargetPageId="6" captionText="Fig. 2. Asclerocheilus geiseae sp. nov., paratype (UERJ-8066), under optical microscopy, specimens stained with Shirlastain A. A. Latero-ventral view of anterior body. B. Acicular spines with rounded tips. C. Acicular spine with pointed tip. D. Mid-body chaetigers in lateral view. E. Lyrate chaetae. Abbreviations: see Material and methods." figureDoi="http://doi.org/10.5281/zenodo.13193493" httpUri="https://zenodo.org/record/13193493/files/figure.png" pageId="8" pageNumber="96">Fig. 2A, D</figureCitation>
). Ventrally, chaetigers 1–4 with two secondary annuli connected to parapodial lobes, plus an intermediate annulation between chaetigers (
<figureCitation id="4CFA2A2ECA5977429FE7FDA7FDAEFD85" box="[430,562,577,603]" captionStart="Fig" captionStartId="5.[189,232,1891,1917]" captionTargetBox="[249,1316,283,1817]" captionTargetId="figure-16@5.[237,1350,265,1854]" captionTargetPageId="5" captionText="Fig. 1. Asclerocheilus geiseae sp. nov., holotype (UERJ-8065), schematic representation. A. Ventral view of anterior region. B. Lateral view of anterior region. C. Acicular spine with rounded tip present on chaetigers 1–2. D. Acicular spine with pointed tip present only on chaetiger 3. E. Lyrate chaeta. Abbreviations: see Material and methods." figureDoi="http://doi.org/10.5281/zenodo.13193491" httpUri="https://zenodo.org/record/13193491/files/figure.png" pageId="8" pageNumber="96">Figs 1A–B</figureCitation>
,
<figureCitation id="4CFA2A2ECA5977429C09FDA7FD17FD85" box="[576,651,577,603]" captionStart="Fig" captionStartId="7.[189,232,1892,1918]" captionTargetBox="[232,1355,265,1854]" captionTargetId="figure-16@7.[232,1355,265,1855]" captionTargetPageId="7" captionText="Fig. 3. Asclerocheilus geiseae sp. nov., under SEM. A. Ventral view of anterior body. B. Prostomium and peristomium in ventral view. C. Acicular spines with rounded tips. D. Lyrate chaetae. E. Ventral view of posterior most chaetigers and pygidium, only two cirri are present, the others were lost in this specimen. Abbreviations: see Material and methods." figureDoi="http://doi.org/10.5281/zenodo.13193495" httpUri="https://zenodo.org/record/13193495/files/figure.png" pageId="8" pageNumber="96">3A–B</figureCitation>
). Following chaetigers on anterior region with three secondary annuli connected to parapodial lobe, and also an intermediate annulation between chaetigers (
<figureCitation id="4CFA2A2ECA5977429B45FD82FAF6FDA0" box="[1292,1386,612,638]" captionStart="Fig" captionStartId="7.[189,232,1892,1918]" captionTargetBox="[232,1355,265,1854]" captionTargetId="figure-16@7.[232,1355,265,1855]" captionTargetPageId="7" captionText="Fig. 3. Asclerocheilus geiseae sp. nov., under SEM. A. Ventral view of anterior body. B. Prostomium and peristomium in ventral view. C. Acicular spines with rounded tips. D. Lyrate chaetae. E. Ventral view of posterior most chaetigers and pygidium, only two cirri are present, the others were lost in this specimen. Abbreviations: see Material and methods." figureDoi="http://doi.org/10.5281/zenodo.13193495" httpUri="https://zenodo.org/record/13193495/files/figure.png" pageId="8" pageNumber="96">Fig. 3A</figureCitation>
). First and second chaetigers often smooth, but this variation should be interpreted as artefact. Interramal papillae rounded, present from anterior chaetigers (
<figureCitation id="4CFA2A2ECA5977429D5FFD4CFCE8FD1B" box="[790,884,682,709]" captionStart="Fig" captionStartId="6.[189,232,1892,1918]" captionTargetBox="[189,1398,489,1855]" captionTargetId="figure-81@6.[189,1398,489,1855]" captionTargetPageId="6" captionText="Fig. 2. Asclerocheilus geiseae sp. nov., paratype (UERJ-8066), under optical microscopy, specimens stained with Shirlastain A. A. Latero-ventral view of anterior body. B. Acicular spines with rounded tips. C. Acicular spine with pointed tip. D. Mid-body chaetigers in lateral view. E. Lyrate chaetae. Abbreviations: see Material and methods." figureDoi="http://doi.org/10.5281/zenodo.13193493" httpUri="https://zenodo.org/record/13193493/files/figure.png" pageId="8" pageNumber="96">Fig. 2A</figureCitation>
), smaller and sometimes absent in posterior chaetigers (
<figureCitation id="4CFA2A2ECA5977429F0DFD28FE3DFD36" box="[324,417,718,744]" captionStart="Fig" captionStartId="6.[189,232,1892,1918]" captionTargetBox="[189,1398,489,1855]" captionTargetId="figure-81@6.[189,1398,489,1855]" captionTargetPageId="6" captionText="Fig. 2. Asclerocheilus geiseae sp. nov., paratype (UERJ-8066), under optical microscopy, specimens stained with Shirlastain A. A. Latero-ventral view of anterior body. B. Acicular spines with rounded tips. C. Acicular spine with pointed tip. D. Mid-body chaetigers in lateral view. E. Lyrate chaetae. Abbreviations: see Material and methods." figureDoi="http://doi.org/10.5281/zenodo.13193493" httpUri="https://zenodo.org/record/13193493/files/figure.png" pageId="8" pageNumber="96">Fig. 2D</figureCitation>
), internal content unknown.
</paragraph>
<paragraph id="D47E36ABCA5977429EF4FCE9FBB8FC4D" blockId="8.[188,1401,783,915]" pageId="8" pageNumber="96">
Acicular spines present on chaetigers 1–3 on notopodia, and 1–2 on neuropodia (
<figureCitation id="4CFA2A2ECA5977429A2AFCE9FB7BFCF7" box="[1123,1255,783,809]" captionStart="Fig" captionStartId="5.[189,232,1891,1917]" captionTargetBox="[249,1316,283,1817]" captionTargetId="figure-16@5.[237,1350,265,1854]" captionTargetPageId="5" captionText="Fig. 1. Asclerocheilus geiseae sp. nov., holotype (UERJ-8065), schematic representation. A. Ventral view of anterior region. B. Lateral view of anterior region. C. Acicular spine with rounded tip present on chaetigers 1–2. D. Acicular spine with pointed tip present only on chaetiger 3. E. Lyrate chaeta. Abbreviations: see Material and methods." figureDoi="http://doi.org/10.5281/zenodo.13193491" httpUri="https://zenodo.org/record/13193491/files/figure.png" pageId="8" pageNumber="96">Figs 1C–D</figureCitation>
,
<figureCitation id="4CFA2A2ECA5977429AB8FCE9FAA4FCF7" box="[1265,1336,783,809]" captionStart="Fig" captionStartId="6.[189,232,1892,1918]" captionTargetBox="[189,1398,489,1855]" captionTargetId="figure-81@6.[189,1398,489,1855]" captionTargetPageId="6" captionText="Fig. 2. Asclerocheilus geiseae sp. nov., paratype (UERJ-8066), under optical microscopy, specimens stained with Shirlastain A. A. Latero-ventral view of anterior body. B. Acicular spines with rounded tips. C. Acicular spine with pointed tip. D. Mid-body chaetigers in lateral view. E. Lyrate chaetae. Abbreviations: see Material and methods." figureDoi="http://doi.org/10.5281/zenodo.13193493" httpUri="https://zenodo.org/record/13193493/files/figure.png" pageId="8" pageNumber="96">2B–C</figureCitation>
,
<figureCitation id="4CFA2A2ECA5977429B0AFCE9FAF5FCF7" box="[1347,1385,783,809]" captionStart="Fig" captionStartId="7.[189,232,1892,1918]" captionTargetBox="[232,1355,265,1854]" captionTargetId="figure-16@7.[232,1355,265,1855]" captionTargetPageId="7" captionText="Fig. 3. Asclerocheilus geiseae sp. nov., under SEM. A. Ventral view of anterior body. B. Prostomium and peristomium in ventral view. C. Acicular spines with rounded tips. D. Lyrate chaetae. E. Ventral view of posterior most chaetigers and pygidium, only two cirri are present, the others were lost in this specimen. Abbreviations: see Material and methods." figureDoi="http://doi.org/10.5281/zenodo.13193495" httpUri="https://zenodo.org/record/13193495/files/figure.png" pageId="8" pageNumber="96">3C</figureCitation>
). Short spinous chaetae not observed. Lyrate chaetae present from chaetiger 2 on neuropodia and 3 on notopodia (
<figureCitation id="4CFA2A2ECA5977429F0AFCB3FE3CFCAE" box="[323,416,853,880]" captionStart="Fig" captionStartId="5.[189,232,1891,1917]" captionTargetBox="[249,1316,283,1817]" captionTargetId="figure-16@5.[237,1350,265,1854]" captionTargetPageId="5" captionText="Fig. 1. Asclerocheilus geiseae sp. nov., holotype (UERJ-8065), schematic representation. A. Ventral view of anterior region. B. Lateral view of anterior region. C. Acicular spine with rounded tip present on chaetigers 1–2. D. Acicular spine with pointed tip present only on chaetiger 3. E. Lyrate chaeta. Abbreviations: see Material and methods." figureDoi="http://doi.org/10.5281/zenodo.13193491" httpUri="https://zenodo.org/record/13193491/files/figure.png" pageId="8" pageNumber="96">Figs 1E</figureCitation>
,
<figureCitation id="4CFA2A2ECA5977429FE5FCB0FE4CFCAE" box="[428,464,854,880]" captionStart="Fig" captionStartId="6.[189,232,1892,1918]" captionTargetBox="[189,1398,489,1855]" captionTargetId="figure-81@6.[189,1398,489,1855]" captionTargetPageId="6" captionText="Fig. 2. Asclerocheilus geiseae sp. nov., paratype (UERJ-8066), under optical microscopy, specimens stained with Shirlastain A. A. Latero-ventral view of anterior body. B. Acicular spines with rounded tips. C. Acicular spine with pointed tip. D. Mid-body chaetigers in lateral view. E. Lyrate chaetae. Abbreviations: see Material and methods." figureDoi="http://doi.org/10.5281/zenodo.13193493" httpUri="https://zenodo.org/record/13193493/files/figure.png" pageId="8" pageNumber="96">2E</figureCitation>
,
<figureCitation id="4CFA2A2ECA5977429F92FCB0FD9DFCAE" box="[475,513,854,880]" captionStart="Fig" captionStartId="7.[189,232,1892,1918]" captionTargetBox="[232,1355,265,1854]" captionTargetId="figure-16@7.[232,1355,265,1855]" captionTargetPageId="7" captionText="Fig. 3. Asclerocheilus geiseae sp. nov., under SEM. A. Ventral view of anterior body. B. Prostomium and peristomium in ventral view. C. Acicular spines with rounded tips. D. Lyrate chaetae. E. Ventral view of posterior most chaetigers and pygidium, only two cirri are present, the others were lost in this specimen. Abbreviations: see Material and methods." figureDoi="http://doi.org/10.5281/zenodo.13193495" httpUri="https://zenodo.org/record/13193495/files/figure.png" pageId="8" pageNumber="96">3D</figureCitation>
), numbering 5–6 lyrate chaetae per fascicle, with unequal tynes (tynes ratio: 2.5 on anterior chaetigers to 1.8–2.22 on midbody to posterior chaetigers).
</paragraph>
<paragraph id="D47E36ABCA5977429EF4FC5CFE44FB76" blockId="8.[189,1399,954,1192]" pageId="8" pageNumber="96">
Notopodial acicular chaetae organized in two rows on chaetigers 1–2, numbering up to 9 per row, with rounded tips (
<figureCitation id="4CFA2A2ECA5977429F2DFC3BFE5AFC29" box="[356,454,989,1015]" captionStart="Fig" captionStartId="5.[189,232,1891,1917]" captionTargetBox="[249,1316,283,1817]" captionTargetId="figure-16@5.[237,1350,265,1854]" captionTargetPageId="5" captionText="Fig. 1. Asclerocheilus geiseae sp. nov., holotype (UERJ-8065), schematic representation. A. Ventral view of anterior region. B. Lateral view of anterior region. C. Acicular spine with rounded tip present on chaetigers 1–2. D. Acicular spine with pointed tip present only on chaetiger 3. E. Lyrate chaeta. Abbreviations: see Material and methods." figureDoi="http://doi.org/10.5281/zenodo.13193491" httpUri="https://zenodo.org/record/13193491/files/figure.png" pageId="8" pageNumber="96">Figs 1C</figureCitation>
,
<figureCitation id="4CFA2A2ECA5977429F9EFC3BFE60FC29" box="[471,508,989,1015]" captionStart="Fig" captionStartId="6.[189,232,1892,1918]" captionTargetBox="[189,1398,489,1855]" captionTargetId="figure-81@6.[189,1398,489,1855]" captionTargetPageId="6" captionText="Fig. 2. Asclerocheilus geiseae sp. nov., paratype (UERJ-8066), under optical microscopy, specimens stained with Shirlastain A. A. Latero-ventral view of anterior body. B. Acicular spines with rounded tips. C. Acicular spine with pointed tip. D. Mid-body chaetigers in lateral view. E. Lyrate chaetae. Abbreviations: see Material and methods." figureDoi="http://doi.org/10.5281/zenodo.13193493" httpUri="https://zenodo.org/record/13193493/files/figure.png" pageId="8" pageNumber="96">2B</figureCitation>
,
<figureCitation id="4CFA2A2ECA5977429C43FC3BFDACFC29" box="[522,560,989,1015]" captionStart="Fig" captionStartId="7.[189,232,1892,1918]" captionTargetBox="[232,1355,265,1854]" captionTargetId="figure-16@7.[232,1355,265,1855]" captionTargetPageId="7" captionText="Fig. 3. Asclerocheilus geiseae sp. nov., under SEM. A. Ventral view of anterior body. B. Prostomium and peristomium in ventral view. C. Acicular spines with rounded tips. D. Lyrate chaetae. E. Ventral view of posterior most chaetigers and pygidium, only two cirri are present, the others were lost in this specimen. Abbreviations: see Material and methods." figureDoi="http://doi.org/10.5281/zenodo.13193495" httpUri="https://zenodo.org/record/13193495/files/figure.png" pageId="8" pageNumber="96">3C</figureCitation>
). Notopodial acicular chaetae on chaetiger 3 organized in single row, numbering 5 transitional acicular spines, with pointed tips. Neuropodial acicular spines weaker than notopodial ones, organized in single row on chaetigers 1–2, all curved with pointed tips (
<figureCitation id="4CFA2A2ECA5977429A9DFBC2FAA9FBE0" box="[1236,1333,1060,1086]" captionStart="Fig" captionStartId="5.[189,232,1891,1917]" captionTargetBox="[249,1316,283,1817]" captionTargetId="figure-16@5.[237,1350,265,1854]" captionTargetPageId="5" captionText="Fig. 1. Asclerocheilus geiseae sp. nov., holotype (UERJ-8065), schematic representation. A. Ventral view of anterior region. B. Lateral view of anterior region. C. Acicular spine with rounded tip present on chaetigers 1–2. D. Acicular spine with pointed tip present only on chaetiger 3. E. Lyrate chaeta. Abbreviations: see Material and methods." figureDoi="http://doi.org/10.5281/zenodo.13193491" httpUri="https://zenodo.org/record/13193491/files/figure.png" pageId="8" pageNumber="96">Figs 1D</figureCitation>
,
<figureCitation id="4CFA2A2ECA5977429B0AFBC2FAF5FBE0" box="[1347,1385,1060,1086]" captionStart="Fig" captionStartId="6.[189,232,1892,1918]" captionTargetBox="[189,1398,489,1855]" captionTargetId="figure-81@6.[189,1398,489,1855]" captionTargetPageId="6" captionText="Fig. 2. Asclerocheilus geiseae sp. nov., paratype (UERJ-8066), under optical microscopy, specimens stained with Shirlastain A. A. Latero-ventral view of anterior body. B. Acicular spines with rounded tips. C. Acicular spine with pointed tip. D. Mid-body chaetigers in lateral view. E. Lyrate chaetae. Abbreviations: see Material and methods." figureDoi="http://doi.org/10.5281/zenodo.13193493" httpUri="https://zenodo.org/record/13193493/files/figure.png" pageId="8" pageNumber="96">2C</figureCitation>
), numbering 8 per fascicle, transitional on chaetiger 2. Capillaries organised in single row on chaetigers 1–2, then in two rows on chaetiger 4 up to middle of body. In posterior chaetigers, capillaries become organized in single row.
</paragraph>
<paragraph id="D47E36ABCA5977429EF4FB29FB54FAA8" blockId="8.[188,1399,1231,1398]" pageId="8" pageNumber="96">
Anterior chaetigers parapodial lobes larger, more prominent, present as broad blunted projection in both noto- and neuropodia, more robust and distinct than on posterior chaetigers (
<figureCitation id="4CFA2A2ECA5977429ACDFB14FB78FAD2" box="[1156,1252,1266,1292]" captionStart="Fig" captionStartId="6.[189,232,1892,1918]" captionTargetBox="[189,1398,489,1855]" captionTargetId="figure-81@6.[189,1398,489,1855]" captionTargetPageId="6" captionText="Fig. 2. Asclerocheilus geiseae sp. nov., paratype (UERJ-8066), under optical microscopy, specimens stained with Shirlastain A. A. Latero-ventral view of anterior body. B. Acicular spines with rounded tips. C. Acicular spine with pointed tip. D. Mid-body chaetigers in lateral view. E. Lyrate chaetae. Abbreviations: see Material and methods." figureDoi="http://doi.org/10.5281/zenodo.13193493" httpUri="https://zenodo.org/record/13193493/files/figure.png" pageId="8" pageNumber="96">Fig. 2A</figureCitation>
). Parapodial lobes becoming gradually thinner and smaller in midbody and posterior chaetigers, emerging as apically rounded projections (
<figureCitation id="4CFA2A2ECA5977429FFAFADEFD8CFA8C" box="[435,528,1336,1362]" captionStart="Fig" captionStartId="6.[189,232,1892,1918]" captionTargetBox="[189,1398,489,1855]" captionTargetId="figure-81@6.[189,1398,489,1855]" captionTargetPageId="6" captionText="Fig. 2. Asclerocheilus geiseae sp. nov., paratype (UERJ-8066), under optical microscopy, specimens stained with Shirlastain A. A. Latero-ventral view of anterior body. B. Acicular spines with rounded tips. C. Acicular spine with pointed tip. D. Mid-body chaetigers in lateral view. E. Lyrate chaetae. Abbreviations: see Material and methods." figureDoi="http://doi.org/10.5281/zenodo.13193493" httpUri="https://zenodo.org/record/13193493/files/figure.png" pageId="8" pageNumber="96">Fig. 2D</figureCitation>
). Pygidium present as short uniannulated segment, with crenulated margin, from which emerges 4 long anal cirri; two dorso-lateral and two ventro-lateral (
<figureCitation id="4CFA2A2ECA5977429A29FABDFB27FAA8" box="[1120,1211,1371,1398]" captionStart="Fig" captionStartId="7.[189,232,1892,1918]" captionTargetBox="[232,1355,265,1854]" captionTargetId="figure-16@7.[232,1355,265,1855]" captionTargetPageId="7" captionText="Fig. 3. Asclerocheilus geiseae sp. nov., under SEM. A. Ventral view of anterior body. B. Prostomium and peristomium in ventral view. C. Acicular spines with rounded tips. D. Lyrate chaetae. E. Ventral view of posterior most chaetigers and pygidium, only two cirri are present, the others were lost in this specimen. Abbreviations: see Material and methods." figureDoi="http://doi.org/10.5281/zenodo.13193495" httpUri="https://zenodo.org/record/13193495/files/figure.png" pageId="8" pageNumber="96">Fig. 3E</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="9CDB6520CA5977429EF4FA7BFB35F9AC" pageId="8" pageNumber="96" type="discussion">
<paragraph id="D47E36ABCA5977429EF4FA7BFEACFA69" blockId="8.[189,304,1437,1463]" box="[189,304,1437,1463]" pageId="8" pageNumber="96">
<heading id="8F3681C7CA5977429EF4FA7BFEACFA69" bold="true" box="[189,304,1437,1463]" fontSize="11" level="3" pageId="8" pageNumber="96" reason="3">
<emphasis id="E6B5EAB9CA5977429EF4FA7BFEACFA69" bold="true" box="[189,304,1437,1463]" pageId="8" pageNumber="96">Remarks</emphasis>
</heading>
</paragraph>
<paragraph id="D47E36ABCA5977429EF4FA2DFB35F9AC" blockId="8.[189,1400,1483,1651]" pageId="8" pageNumber="96">
This species is morphologically similar to
<emphasis id="E6B5EAB9CA5977429CE7FA2AFBEFFA3B" box="[686,1139,1483,1510]" italics="true" pageId="8" pageNumber="96">
<taxonomicName id="13C14D28CA5977429CE7FA2AFCC2FA3B" baseAuthorityName="Saint-Joseph" baseAuthorityYear="1894" box="[686,862,1483,1510]" class="Polychaeta" family="Scalibregmatidae" genus="Asclerocheilus" kingdom="Animalia" pageId="8" pageNumber="96" phylum="Annelida" rank="species" species="intermedius">A. intermedius</taxonomicName>
,
<taxonomicName id="13C14D28CA5977429D20FA2AFC46FA3B" authorityName="Hartmann-Schroder" authorityYear="1994" box="[873,986,1483,1510]" class="Polychaeta" family="Scalibregmatidae" genus="Asclerocheilus" kingdom="Animalia" pageId="8" pageNumber="96" phylum="Annelida" rank="species" species="shanei">A. shanei</taxonomicName>
,
<taxonomicName id="13C14D28CA5977429DACFA2AFBEFFA3B" authorityName="Blake" authorityYear="2023" box="[997,1139,1483,1510]" class="Polychaeta" family="Scalibregmatidae" genus="Asclerocheilus" kingdom="Animalia" pageId="8" pageNumber="96" phylum="Annelida" rank="species" species="abyssalis">A. abyssalis</taxonomicName>
</emphasis>
and
<taxonomicName id="13C14D28CA5977429AE5FA2AFA89FA3B" authorityName="Mendes &amp; Paiva &amp; Rizzo" authorityYear="2024" box="[1196,1301,1483,1510]" class="Polychaeta" family="Scalibregmatidae" genus="Asclerocheilus" kingdom="Animalia" pageId="8" pageNumber="96" phylum="Annelida" rank="species" species="blakei" status="sp. nov.">
<emphasis id="E6B5EAB9CA5977429AE5FA2AFA89FA3B" box="[1196,1301,1483,1510]" italics="true" pageId="8" pageNumber="96">A. blakei</emphasis>
</taxonomicName>
<taxonomicNameLabel id="FD8657C2CA5977429B55FA2AFAEBFA38" box="[1308,1399,1484,1510]" pageId="8" pageNumber="96" rank="species">sp. nov.</taxonomicNameLabel>
by having acicular spines on notopodia of chaetigers 1–3. However, it is unique among them by the presence of acicular spines with rounded tips in two rows on notopodia of chaetigers 1–2, then replaced by one row of acicular spines with pointed tips on notopodia of chaetiger 3. Moreover,
<taxonomicName id="13C14D28CA5977429A85F9D3FAC6F991" authorityName="Blake" authorityYear="2023" box="[1228,1370,1589,1615]" class="Polychaeta" family="Scalibregmatidae" genus="Asclerocheilus" kingdom="Animalia" pageId="8" pageNumber="96" phylum="Annelida" rank="species" species="abyssalis">
<emphasis id="E6B5EAB9CA5977429A85F9D3FAC6F991" box="[1228,1370,1589,1615]" italics="true" pageId="8" pageNumber="96">A. abyssalis</emphasis>
</taxonomicName>
is the only species of the genus with short spinous chaetae mentioned on its description.
</paragraph>
</subSubSection>
<subSubSection id="9CDB6520CA5977429EF4F97CFD74F8D8" pageId="8" pageNumber="96" type="biology_ecology">
<paragraph id="D47E36ABCA5977429EF4F97CFEBDF96A" blockId="8.[189,289,1690,1716]" box="[189,289,1690,1716]" pageId="8" pageNumber="96">
<heading id="8F3681C7CA5977429EF4F97CFEBDF96A" bold="true" box="[189,289,1690,1716]" fontSize="11" level="3" pageId="8" pageNumber="96" reason="3">
<emphasis id="E6B5EAB9CA5977429EF4F97CFEBDF96A" bold="true" box="[189,289,1690,1716]" pageId="8" pageNumber="96">Ecology</emphasis>
</heading>
</paragraph>
<paragraph id="D47E36ABCA5977429EF4F92EFD74F8D8" blockId="8.[188,1398,1736,1798]" pageId="8" pageNumber="96">
This species was found at the Rio Doce river mouth near the Campos Basin (Brazilian southern region), living on sandy sediment at depths of
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11–
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.
</paragraph>
</subSubSection>
</treatment>
</document>
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