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<document id="4BB64E37872A446D46AA015A83383044" ID-DOI="10.1371/journal.pone.0264081" ID-ISSN="1932-6203" ID-PMC="PMC8890639" ID-PubMed="35235589" ID-Zenodo-Dep="13151823" IM.bibliography_approvedBy="karina" IM.illustrations_approvedBy="karina" IM.materialsCitations_approvedBy="karina" IM.metadata_approvedBy="felipe" IM.tables_approvedBy="karina" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="karina" checkinTime="1719975106155" checkinUser="felipe" docAuthor="Bonaldo, Rafael de Oliveira, Steiner, Tatiana Menchini &amp; Amaral, Antônia Cecília Zacagnini" docDate="2022" docId="039F6D462C65FFF041117165FA442792" docLanguage="en" docName="PLoSONE.17.3.e0264081.pdf" docOrigin="PLoS ONE (e 0264081) 1974 (3)" docStyle="DocumentStyle:55318D21378FF0528C342C9740A1E1BE.2:PLoSONE.2014-.journal_article" docStyleId="55318D21378FF0528C342C9740A1E1BE" docStyleName="PLoSONE.2014-.journal_article" docStyleVersion="2" docTitle="Meiodorvillea apalpata Jumars 1974" docType="treatment" docVersion="6" lastPageNumber="12" masterDocId="FFA6153E2C6FFFFB4304731AFF8A236A" masterDocTitle="Revision of Meiodorvillea Jumars, 1974 (Annelida: Dorvilleidae) including descriptions of three new species from the Southwestern Atlantic Ocean" masterLastPageNumber="27" masterPageNumber="1" pageNumber="11" updateTime="1732654766641" updateUser="karina">
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<mods:title id="8569B68D3FDD4835542FA16B157947DD">Revision of Meiodorvillea Jumars, 1974 (Annelida: Dorvilleidae) including descriptions of three new species from the Southwestern Atlantic Ocean</mods:title>
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<mods:namePart id="B85382603F6C67901AD7141857B87F19">Bonaldo, Rafael de Oliveira</mods:namePart>
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<mods:namePart id="9F7E761DBC8C02A800E6A2E09E9F2417">Steiner, Tatiana Menchini</mods:namePart>
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<mods:namePart id="0AA01943846D76E349685966A0C8EDD1">Amaral, Antônia Cecília Zacagnini</mods:namePart>
<mods:affiliation id="79408085387268F3C8F9659154249A62">Programa de Pós-Graduação em Biologia Animal, Instituto de Biologia, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil, &amp; Laboratório de Biodiversidade Bêntica Marinha, Departamento de Biologia Animal, Instituto de Biologia, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil</mods:affiliation>
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<mods:title id="1919D92B1A2B896001C9D83D33CC97E1">PLoS ONE</mods:title>
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<mods:part id="69DF4D1D91F75FAB3BDE0AA2A75670C9">
<mods:date id="2FBF57ED9739C25C09F32B46C2556B74">2022</mods:date>
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<mods:title id="2AD1364F33D9679BC86D31C238451CA9">e 0264081</mods:title>
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<mods:number id="11CF65A06F66AAECB513986139644CC5">2022-03-02</mods:number>
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<mods:number id="26A9FE3D227DB3F635549FEC06165498">1974</mods:number>
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<mods:identifier id="D8D284F45D020F5160B379503CFA9FA9" type="DOI">10.1371/journal.pone.0264081</mods:identifier>
<mods:identifier id="C9DBFB59BCE315A6DDCA146512A112D8" type="ISSN">1932-6203</mods:identifier>
<mods:identifier id="F2B7FA7FB56DBE8A8B576947D68D3CF3" type="PMC">PMC8890639</mods:identifier>
<mods:identifier id="E5EB53C62293FC8893AF57DC17766412" type="PubMed">35235589</mods:identifier>
<mods:identifier id="6EE9DA2E840533BD7272604C4D3CC189" type="Zenodo-Dep">13151823</mods:identifier>
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<treatment id="039F6D462C65FFF041117165FA442792" ID-DOI="http://doi.org/10.5281/zenodo.12630853" ID-Zenodo-Dep="12630853" LSID="urn:lsid:plazi:treatment:039F6D462C65FFF041117165FA442792" httpUri="http://treatment.plazi.org/id/039F6D462C65FFF041117165FA442792" lastPageId="11" lastPageNumber="12" pageId="10" pageNumber="11">
<subSubSection id="C32C8FDB2C65FFF141117165FA9021F6" box="[533,1306,639,668]" pageId="10" pageNumber="11" type="nomenclature">
<paragraph id="8B89DC502C65FFF141117165FA9021F6" blockId="10.[533,1306,639,668]" box="[533,1306,639,668]" pageId="10" pageNumber="11">
<heading id="D0C16B3C2C65FFF141117165FA9021F6" box="[533,1306,639,668]" fontSize="12" level="2" pageId="10" pageNumber="11" reason="8">
<emphasis id="B94200422C65FFF141117165FA9021F6" bold="true" box="[533,1306,639,668]" pageId="10" pageNumber="11">
<taxonomicName id="4C36A7D32C65FFF141117165FC7421F6" ID-CoL="3Z37G" authority="Jumars, 1974" authorityName="Jumars" authorityYear="1974" box="[533,1022,639,668]" class="Polychaeta" family="Dorvilleidae" genus="Meiodorvillea" kingdom="Animalia" order="Eunicida" pageId="10" pageNumber="11" phylum="Annelida" rank="species" species="apalpata">
<emphasis id="B94200422C65FFF141117165FCC321F6" bold="true" box="[533,841,639,668]" italics="true" pageId="10" pageNumber="11">Meiodorvillea apalpata</emphasis>
Jumars, 1974
</taxonomicName>
[
<bibRefCitation id="EFA7A1A12C65FFF14714719AFBBA21F6" author="Jumars PA" box="[1040,1072,640,668]" pageId="10" pageNumber="11" pagination="101 - 135" refId="ref15367" refString="17. Jumars PA. A generic revision of the Dorvilleidae (Polychaeta), with six new species from the deep North Pacific. Zool J Linn Soc. 1974; 54 (2): 101 - 135. https: // doi. org / 10.1111 / j. 1096 - 3642.1974. tb 00794. x." type="journal article" year="1974">17</bibRefCitation>
]: 121122,
<figureCitation id="130DC0D52C65FFF147CD719AFA9021F6" box="[1225,1306,640,668]" captionStart="Fig 10" captionStartId="14.[533,561,630,649]" captionTargetBox="[533,1299,208,609]" captionTargetId="figure-85@14.[533,1301,208,609]" captionTargetPageId="14" captionText="Fig 10. Meiodorvillea penhae sp. nov. (A,B) parapodia from anterior region; (C,D) parapodia from posterior region; all anterior view. Abbreviations: fc = furcate chaeta; gc = geniculate chaeta; vc = ventral cirrus. Scale bars: (A,C) = 15.6 μm; (B,D) = 10 μm. https://doi.org/10.1371/journal.pone.0264081.g010" figureDoi="http://doi.org/10.5281/zenodo.13151845" httpUri="https://zenodo.org/record/13151845/files/figure.png" pageId="10" pageNumber="11">Fig 10</figureCitation>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C32C8FDB2C65FFF1413171ABFB8820F3" pageId="10" pageNumber="11" type="materials_examined">
<paragraph id="8B89DC502C65FFF1413171ABFC7D2186" blockId="10.[533,1535,689,1129]" pageId="10" pageNumber="11">
<emphasis id="B94200422C65FFF1413171ABFD4121A3" bold="true" box="[565,715,689,713]" pageId="10" pageNumber="11">
<typeStatus id="548D62F22C65FFF1413171ABFDE721A3" box="[565,621,689,713]" pageId="10" pageNumber="11">Type</typeStatus>
locality.
</emphasis>
<location id="8EE98A8B2C65FFF141E471ABFC7A21A3" LSID="urn:lsid:plazi:treatment:039F6D462C65FFF041117165FA442792:8EE98A8B2C65FFF141E471ABFC7A21A3" box="[736,1008,689,713]" country="United States of America" municipality="Coronado Sea" name="San Diego Trough region" pageId="10" pageNumber="11" stateProvince="California">San Diego Trough region</location>
, 32˚28.2N 117˚29.8W,
<collectingMunicipality id="6BED462A2C65FFF147F571ABFA0321A3" box="[1265,1417,689,713]" pageId="10" pageNumber="11">Coronado Sea</collectingMunicipality>
,
<collectingRegion id="49F212B22C65FFF1469771ABFDB22186" country="United States of America" name="California" pageId="10" pageNumber="11">California</collectingRegion>
,
<collectingCountry id="F3219CC02C65FFF1414771CEFCC42186" box="[579,846,724,748]" name="United States of America" pageId="10" pageNumber="11">United States of America</collectingCountry>
,
<elevation id="001B3B632C65FFF1405C71CEFC792186" box="[856,1011,724,748]" metricMagnitude="3" metricUnit="m" metricValue="1.224" pageId="10" pageNumber="11" unit="m" value="1224.0">
<quantity id="4CCE71B52C65FFF1405C71CEFC272186" box="[856,941,724,748]" metricMagnitude="3" metricUnit="m" metricValue="1.224" pageId="10" pageNumber="11" unit="m" value="1224.0">1,224 m</quantity>
depth
</elevation>
.
</paragraph>
<paragraph id="8B89DC502C65FFF1413171ECFB8820F3" blockId="10.[533,1535,689,1129]" pageId="10" pageNumber="11">
<emphasis id="B94200422C65FFF1413171ECFCC32064" bold="true" box="[565,841,758,782]" pageId="10" pageNumber="11">Type material examined.</emphasis>
<materialsCitation id="3B5ED60D2C65FFF1405A71ECFCA6205B" collectingDate="1972-12-06" collectionCode="LACM-AHF" elevation="1224" latitude="39.973" longitude="-117.4833" pageId="10" pageNumber="11" specimenCode="Poly 1086" specimenCount="1" typeStatus="holotype">
<typeStatus id="548D62F22C65FFF1405A71ECFC4E2064" box="[862,964,758,782]" pageId="10" pageNumber="11" type="holotype">Holotype</typeStatus>
:
<collectionCode id="ED2744952C65FFF140C971ECFBDF2064" box="[973,1109,758,782]" pageId="10" pageNumber="11">LACM-AHF</collectionCode>
<specimenCode id="DB90742B2C65FFF1475F71ECFB4F2064" box="[1115,1221,758,782]" pageId="10" pageNumber="11">Poly 1086</specimenCode>
,
<geoCoordinate id="EE02BA972C65FFF147CB71ECFAB22064" box="[1231,1336,758,782]" degrees="32" direction="north" minutes="28" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="32.4666">32˚28.2N</geoCoordinate>
<geoCoordinate id="EE02BA972C65FFF1463A71ECFA362064" box="[1342,1468,758,782]" degrees="32" direction="north" minutes="28" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="32.4666">117˚29.8W</geoCoordinate>
,
<quantity id="4CCE71B52C65FFF146C271ECFDA7205B" metricMagnitude="3" metricUnit="m" metricValue="1.224" pageId="10" pageNumber="11" unit="m" value="1224.0">
<elevation id="001B3B632C65FFF146C271ECFDA7205B" metricMagnitude="3" metricUnit="m" metricValue="1.224" pageId="10" pageNumber="11" unit="m" value="1224.0">1,224 m</elevation>
</quantity>
, silty mud,
<date id="FF88FA902C65FFF141A27003FCA6205B" box="[678,812,793,817]" pageId="10" pageNumber="11" value="1972-12-06">
<collectingDate id="EFCC03782C65FFF141A27003FCA6205B" box="[678,812,793,817]" pageId="10" pageNumber="11" value="1972-12-06">06 Dec 1972</collectingDate>
</date>
</materialsCitation>
.
<materialsCitation id="3B5ED60D2C65FFF140307003FCE3203E" collectingDate="1972-12-06" collectionCode="LACM-AHF" elevation="1224" latitude="-23.23" longitude="-117.4833" pageId="10" pageNumber="11" specimenCode="Poly 1087" specimenCount="1" typeStatus="paratype">
<typeStatus id="548D62F22C65FFF140307003FC14205B" box="[820,926,793,817]" pageId="10" pageNumber="11" type="paratype">Paratypes</typeStatus>
:
<collectionCode id="ED2744952C65FFF140A37003FBA5205B" box="[935,1071,793,817]" pageId="10" pageNumber="11">LACM-AHF</collectionCode>
<specimenCode id="DB90742B2C65FFF147317003FB17205B" box="[1077,1181,793,817]" pageId="10" pageNumber="11">Poly 1087</specimenCode>
(
<specimenCount id="9D3017D92C65FFF147A97003FB64205B" box="[1197,1262,793,817]" count="1" pageId="10" pageNumber="11" type="generic">1 spec</specimenCount>
)
<geoCoordinate id="EE02BA972C65FFF147FF7003FAEE205B" box="[1275,1380,793,817]" degrees="32" direction="north" minutes="28" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="32.4666">32˚28.2N</geoCoordinate>
<geoCoordinate id="EE02BA972C65FFF1466E7003FA62205B" box="[1386,1512,793,817]" direction="west" minutes="29" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="-117.48333">117˚29.8W</geoCoordinate>
,
<quantity id="4CCE71B52C65FFF141117026FDE6203E" box="[533,620,828,852]" metricMagnitude="3" metricUnit="m" metricValue="1.224" pageId="10" pageNumber="11" unit="m" value="1224.0">
<elevation id="001B3B632C65FFF141117026FDE6203E" box="[533,620,828,852]" metricMagnitude="3" metricUnit="m" metricValue="1.224" pageId="10" pageNumber="11" unit="m" value="1224.0">1,224 m</elevation>
</quantity>
, silty mud,
<date id="FF88FA902C65FFF141E17026FCE3203E" box="[741,873,828,852]" pageId="10" pageNumber="11" value="1972-12-06">
<collectingDate id="EFCC03782C65FFF141E17026FCE3203E" box="[741,873,828,852]" pageId="10" pageNumber="11" value="1972-12-06">06 Dec 1972</collectingDate>
</date>
</materialsCitation>
;
<materialsCitation id="3B5ED60D2C65FFF140777026FCA3201C" collectingDate="1969-12-12" collectionCode="LACM-AHF" elevation="1224" latitude="32.4666" longitude="-117.4833" pageId="10" pageNumber="11" specimenCode="Poly 1088" specimenCount="1" typeStatus="paratype">
<collectionCode id="ED2744952C65FFF140777026FC71203E" box="[883,1019,828,852]" pageId="10" pageNumber="11">LACM-AHF</collectionCode>
<specimenCode id="DB90742B2C65FFF147057026FBE3203E" box="[1025,1129,828,852]" pageId="10" pageNumber="11">Poly 1088</specimenCode>
(
<specimenCount id="9D3017D92C65FFF1477D7026FB30203E" box="[1145,1210,828,852]" count="1" pageId="10" pageNumber="11" type="generic">1 spec</specimenCount>
)
<geoCoordinate id="EE02BA972C65FFF147C37026FABA203E" box="[1223,1328,828,852]" degrees="32" direction="north" minutes="28" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="32.4666">32˚28.2N</geoCoordinate>
<geoCoordinate id="EE02BA972C65FFF146327026FA3E203E" box="[1334,1460,828,852]" degrees="-117" minutes="29" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="-117.48333">117˚29.8W</geoCoordinate>
,
<quantity id="4CCE71B52C65FFF146BA7026FDA7201C" metricMagnitude="3" metricUnit="m" metricValue="1.224" pageId="10" pageNumber="11" unit="m" value="1224.0">
<elevation id="001B3B632C65FFF146BA7026FDA7201C" metricMagnitude="3" metricUnit="m" metricValue="1.224" pageId="10" pageNumber="11" unit="m" value="1224.0">1224 m</elevation>
</quantity>
, silty mud,
<date id="FF88FA902C65FFF141A27044FCA3201C" box="[678,809,862,886]" pageId="10" pageNumber="11" value="1969-12-12">
<collectingDate id="EFCC03782C65FFF141A27044FCA3201C" box="[678,809,862,886]" pageId="10" pageNumber="11" value="1969-12-12">12 Dec 1969</collectingDate>
</date>
</materialsCitation>
and
<materialsCitation id="3B5ED60D2C65FFF140587044FCAE20F3" collectingDate="1972-01-05" collectionCode="LACM-AHF" elevation="1223" latitude="39.973" longitude="-117.5" pageId="10" pageNumber="11" specimenCode="Poly 1089" specimenCount="1" typeStatus="paratype">
<collectionCode id="ED2744952C65FFF140587044FC6E201C" box="[860,996,862,886]" pageId="10" pageNumber="11">LACM-AHF</collectionCode>
<specimenCode id="DB90742B2C65FFF140EE7044FBD8201C" box="[1002,1106,862,886]" pageId="10" pageNumber="11">Poly 1089</specimenCode>
(
<specimenCount id="9D3017D92C65FFF147667044FB2E201C" box="[1122,1188,862,886]" count="1" pageId="10" pageNumber="11" type="generic">1 spec</specimenCount>
)
<geoCoordinate id="EE02BA972C65FFF147B57044FA90201C" box="[1201,1306,862,886]" degrees="32" direction="north" minutes="38" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="32.6333">32˚38.9N</geoCoordinate>
<geoCoordinate id="EE02BA972C65FFF146247044FA14201C" box="[1312,1438,862,886]" degrees="-117" direction="west" minutes="30" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="-117.5">117˚30.1W</geoCoordinate>
,
<quantity id="4CCE71B52C65FFF146AC7044FDA720F3" metricMagnitude="3" metricUnit="m" metricValue="1.223" pageId="10" pageNumber="11" unit="m" value="1223.0">
<elevation id="001B3B632C65FFF146AC7044FDA720F3" metricMagnitude="3" metricUnit="m" metricValue="1.223" pageId="10" pageNumber="11" unit="m" value="1223.0">1,223 m</elevation>
</quantity>
, silty mud,
<date id="FF88FA902C65FFF141A2709BFCAE20F3" box="[678,804,897,921]" pageId="10" pageNumber="11" value="1972-01-05">
<collectingDate id="EFCC03782C65FFF141A2709BFCAE20F3" box="[678,804,897,921]" pageId="10" pageNumber="11" value="1972-01-05">05 Jan 1972</collectingDate>
</date>
</materialsCitation>
. (m = meters depth).
</paragraph>
</subSubSection>
<subSubSection id="C32C8FDB2C65FFF1413170BEFD35274E" pageId="10" pageNumber="11" type="diagnosis">
<paragraph id="8B89DC502C65FFF1413170BEFD35274E" blockId="10.[533,1535,689,1129]" pageId="10" pageNumber="11">
<emphasis id="B94200422C65FFF1413170BEFD2020D6" bold="true" box="[565,682,932,956]" pageId="10" pageNumber="11">Diagnosis.</emphasis>
One pair of antennae. Palps and dorsal cirri absent. Ventral cirrus papilliform, absent in the first chaetiger. Chaetae capillary, geniculate, all three compound falcigers, and cultriform in last chaetigers in some specimens, replacing ventralmost compound. Two pairs of pygidial cirri.
</paragraph>
</subSubSection>
<subSubSection id="C32C8FDB2C65FFF041317734FA0F20F7" lastPageId="11" lastPageNumber="12" pageId="10" pageNumber="11" type="description">
<paragraph id="8B89DC502C65FFF141317734FB512703" blockId="10.[533,1535,689,1129]" pageId="10" pageNumber="11">
<emphasis id="B94200422C65FFF141317734FCD1272C" bold="true" box="[565,859,1070,1094]" pageId="10" pageNumber="11">
Redescription of
<typeStatus id="548D62F22C65FFF141F77734FCDC272C" box="[755,854,1070,1094]" pageId="10" pageNumber="11" type="holotype">holotype</typeStatus>
.
</emphasis>
Complete specimen in poor condition, 47 chaetigers in three fragments, anterior width ca.
<quantity id="4CCE71B52C65FFF1404A774BFC2B2703" box="[846,929,1105,1129]" metricMagnitude="-4" metricUnit="m" metricValue="2.0" pageId="10" pageNumber="11" unit="mm" value="0.2">0.2 mm</quantity>
. Color in ethanol pale yellow.
</paragraph>
<caption id="DF498CD82C65FFF1411175C8FC2724E7" ID-DOI="http://doi.org/10.5281/zenodo.13151839" ID-Zenodo-Dep="13151839" httpUri="https://zenodo.org/record/13151839/files/figure.png" pageId="10" pageNumber="11" startId="10.[533,561,1746,1765]" targetBox="[536,1127,1172,1721]" targetPageId="10" targetType="figure">
<paragraph id="8B89DC502C65FFF1411175C8FD522409" blockId="10.[533,1518,1745,1933]" pageId="10" pageNumber="11">
<emphasis id="B94200422C65FFF1411175C8FBB1258F" bold="true" box="[533,1083,1745,1765]" pageId="10" pageNumber="11">
Fig 7.
<taxonomicName id="4C36A7D32C65FFF1414975CBFC18258F" authority="Jumars, 1974" authorityName="Jumars" authorityYear="1974" box="[589,914,1745,1765]" class="Polychaeta" family="Dorvilleidae" genus="Meiodorvillea" kingdom="Animalia" order="Eunicida" pageId="10" pageNumber="11" phylum="Annelida" rank="species" species="apalpata">
<emphasis id="B94200422C65FFF1414975CBFC93258E" bold="true" box="[589,793,1745,1764]" italics="true" pageId="10" pageNumber="11">Meiodorvillea apalpata</emphasis>
Jumars, 1974
</taxonomicName>
, LACM-AHF Poly.
</emphasis>
(A) anterior region, dorsal view; (B) pygidium, dorsal view; (C) parapodium from posterior region, anterior view; (D) mandibles; (E) basal plates and maxillary carrier-like structures. Dash lines represent broken chaeta. Abbreviations: an = antenna; capc = capillary chaeta; chc = compound heterogomph chaeta; dpc = dorsal pygidial cirrus; gc = geniculate chaeta; vc = ventral cirrus; vpc = ventral pygidial cirrus. Scale bars: (A,B) = 50 μm; (C) = 20 μm. (D,E): modified from Jumars [
<bibRefCitation id="EFA7A1A12C65FFF1465F742DFAE52420" author="Jumars PA" box="[1371,1391,1847,1866]" pageId="10" pageNumber="11" pagination="101 - 135" refId="ref15367" refString="17. Jumars PA. A generic revision of the Dorvilleidae (Polychaeta), with six new species from the deep North Pacific. Zool J Linn Soc. 1974; 54 (2): 101 - 135. https: // doi. org / 10.1111 / j. 1096 - 3642.1974. tb 00794. x." type="journal article" year="1974">17</bibRefCitation>
] (no scale bars in the original figures).
</paragraph>
<paragraph id="8B89DC502C65FFF141117460FC2724E7" blockId="10.[533,1518,1745,1933]" box="[533,941,1914,1933]" pageId="10" pageNumber="11">https://doi.org/10.1371/journal.pone.0264081.g007</paragraph>
</caption>
<paragraph id="8B89DC502C64FFF0413173CAFD3E223A" blockId="11.[533,1535,208,1272]" pageId="11" pageNumber="12">
Prostomium globular and pear-shaped (
<figureCitation id="130DC0D52C64FFF040DB73CAFBAF2382" box="[991,1061,208,232]" captionStart="Fig 7" captionStartId="10.[533,561,1746,1765]" captionTargetBox="[536,1127,1172,1721]" captionTargetId="figure-275@10.[533,1130,1171,1724]" captionTargetPageId="10" captionText="Fig 7. Meiodorvillea apalpata Jumars, 1974, LACM-AHF Poly. (A) anterior region, dorsal view; (B) pygidium, dorsal view; (C) parapodium from posterior region, anterior view; (D) mandibles; (E) basal plates and maxillary carrier-like structures. Dash lines represent broken chaeta. Abbreviations: an = antenna; capc = capillary chaeta; chc = compound heterogomph chaeta; dpc = dorsal pygidial cirrus; gc = geniculate chaeta; vc = ventral cirrus; vpc = ventral pygidial cirrus. Scale bars: (A,B) = 50 μm; (C) = 20 μm. (D,E): modified from Jumars [17] (no scale bars in the original figures). https://doi.org/10.1371/journal.pone.0264081.g007" figureDoi="http://doi.org/10.5281/zenodo.13151839" httpUri="https://zenodo.org/record/13151839/files/figure.png" pageId="11" pageNumber="12">Fig 7A</figureCitation>
), as long as wide. Eyes absent. One pair of clavate antennae inserted dorsolaterally, almost at prostomium base, 2/3 the length of prostomium (
<figureCitation id="130DC0D52C64FFF04161720FFD212247" box="[613,683,277,301]" captionStart="Fig 7" captionStartId="10.[533,561,1746,1765]" captionTargetBox="[536,1127,1172,1721]" captionTargetId="figure-275@10.[533,1130,1171,1724]" captionTargetPageId="10" captionText="Fig 7. Meiodorvillea apalpata Jumars, 1974, LACM-AHF Poly. (A) anterior region, dorsal view; (B) pygidium, dorsal view; (C) parapodium from posterior region, anterior view; (D) mandibles; (E) basal plates and maxillary carrier-like structures. Dash lines represent broken chaeta. Abbreviations: an = antenna; capc = capillary chaeta; chc = compound heterogomph chaeta; dpc = dorsal pygidial cirrus; gc = geniculate chaeta; vc = ventral cirrus; vpc = ventral pygidial cirrus. Scale bars: (A,B) = 50 μm; (C) = 20 μm. (D,E): modified from Jumars [17] (no scale bars in the original figures). https://doi.org/10.1371/journal.pone.0264081.g007" figureDoi="http://doi.org/10.5281/zenodo.13151839" httpUri="https://zenodo.org/record/13151839/files/figure.png" pageId="11" pageNumber="12">Fig 7A</figureCitation>
). Palps absent. Anterior chaetigers slightly wider and shorter than median and posterior ones.
</paragraph>
<paragraph id="8B89DC502C64FFF041317240FC1D22B0" blockId="11.[533,1535,208,1272]" pageId="11" pageNumber="12">
Jaw apparatus not dissected. Mandibles butterfly-shaped medially fused, anterior region enlarged with smooth margins without free or fused teeth, posterior region slender and curved. Pair of maxillary carrier-like structures relatively large, basal plates with dentate inner margin; maxillary plates absent [
<bibRefCitation id="EFA7A1A12C64FFF0406A72D8FC0D22B0" author="Jumars PA" box="[878,903,450,474]" pageId="11" pageNumber="12" pagination="101 - 135" refId="ref15367" refString="17. Jumars PA. A generic revision of the Dorvilleidae (Polychaeta), with six new species from the deep North Pacific. Zool J Linn Soc. 1974; 54 (2): 101 - 135. https: // doi. org / 10.1111 / j. 1096 - 3642.1974. tb 00794. x." type="journal article" year="1974">17</bibRefCitation>
].
</paragraph>
<paragraph id="8B89DC502C64FFF0413172FFFA64214A" blockId="11.[533,1535,208,1272]" pageId="11" pageNumber="12">
Two peristomial rings, both as long as prostomium, clearly well-defined dorsally and ventrally; posterior wider and longer than anterior and almost as long as the following chaetigers (
<figureCitation id="130DC0D52C64FFF0469F7112FA6A214A" box="[1435,1504,520,544]" captionStart="Fig 7" captionStartId="10.[533,561,1746,1765]" captionTargetBox="[536,1127,1172,1721]" captionTargetId="figure-275@10.[533,1130,1171,1724]" captionTargetPageId="10" captionText="Fig 7. Meiodorvillea apalpata Jumars, 1974, LACM-AHF Poly. (A) anterior region, dorsal view; (B) pygidium, dorsal view; (C) parapodium from posterior region, anterior view; (D) mandibles; (E) basal plates and maxillary carrier-like structures. Dash lines represent broken chaeta. Abbreviations: an = antenna; capc = capillary chaeta; chc = compound heterogomph chaeta; dpc = dorsal pygidial cirrus; gc = geniculate chaeta; vc = ventral cirrus; vpc = ventral pygidial cirrus. Scale bars: (A,B) = 50 μm; (C) = 20 μm. (D,E): modified from Jumars [17] (no scale bars in the original figures). https://doi.org/10.1371/journal.pone.0264081.g007" figureDoi="http://doi.org/10.5281/zenodo.13151839" httpUri="https://zenodo.org/record/13151839/files/figure.png" pageId="11" pageNumber="12">Fig 7A</figureCitation>
).
</paragraph>
<paragraph id="8B89DC502C64FFF041317130FD5B21E2" blockId="11.[533,1535,208,1272]" pageId="11" pageNumber="12">
Cylindrical parapodia, shorter in anterior, longer and narrower in posterior region. Dorsal cirrus absent. Papilliform ventral cirrus inserted medially in the parapodium, absent in the first one (
<figureCitation id="130DC0D52C64FFF04178716AFD4821E2" box="[636,706,624,648]" captionStart="Fig 7" captionStartId="10.[533,561,1746,1765]" captionTargetBox="[536,1127,1172,1721]" captionTargetId="figure-275@10.[533,1130,1171,1724]" captionTargetPageId="10" captionText="Fig 7. Meiodorvillea apalpata Jumars, 1974, LACM-AHF Poly. (A) anterior region, dorsal view; (B) pygidium, dorsal view; (C) parapodium from posterior region, anterior view; (D) mandibles; (E) basal plates and maxillary carrier-like structures. Dash lines represent broken chaeta. Abbreviations: an = antenna; capc = capillary chaeta; chc = compound heterogomph chaeta; dpc = dorsal pygidial cirrus; gc = geniculate chaeta; vc = ventral cirrus; vpc = ventral pygidial cirrus. Scale bars: (A,B) = 50 μm; (C) = 20 μm. (D,E): modified from Jumars [17] (no scale bars in the original figures). https://doi.org/10.1371/journal.pone.0264081.g007" figureDoi="http://doi.org/10.5281/zenodo.13151839" httpUri="https://zenodo.org/record/13151839/files/figure.png" pageId="11" pageNumber="12">Fig 7C</figureCitation>
).
</paragraph>
<paragraph id="8B89DC502C64FFF041317188FA012032" blockId="11.[533,1535,208,1272]" pageId="11" pageNumber="12">
Supra-acicular chaetae: (1) one long and serrated capillary, with a small limb anteriorly, longer and slender in posterior region; (2) one geniculate with short serrated margin (
<figureCitation id="130DC0D52C64FFF046A671AFFA6221A7" box="[1442,1512,693,717]" captionStart="Fig 7" captionStartId="10.[533,561,1746,1765]" captionTargetBox="[536,1127,1172,1721]" captionTargetId="figure-275@10.[533,1130,1171,1724]" captionTargetPageId="10" captionText="Fig 7. Meiodorvillea apalpata Jumars, 1974, LACM-AHF Poly. (A) anterior region, dorsal view; (B) pygidium, dorsal view; (C) parapodium from posterior region, anterior view; (D) mandibles; (E) basal plates and maxillary carrier-like structures. Dash lines represent broken chaeta. Abbreviations: an = antenna; capc = capillary chaeta; chc = compound heterogomph chaeta; dpc = dorsal pygidial cirrus; gc = geniculate chaeta; vc = ventral cirrus; vpc = ventral pygidial cirrus. Scale bars: (A,B) = 50 μm; (C) = 20 μm. (D,E): modified from Jumars [17] (no scale bars in the original figures). https://doi.org/10.1371/journal.pone.0264081.g007" figureDoi="http://doi.org/10.5281/zenodo.13151839" httpUri="https://zenodo.org/record/13151839/files/figure.png" pageId="11" pageNumber="12">Fig 7C</figureCitation>
). Sub-acicular chaetae: (3) three compound heterogomph falcigers, distal end of shafts serrated and blades unidentate with serrated cutting edges: dorsalmost longest and ventralmost shortest; (4) one cultriform with serrated margin replacing the ventralmost compound in last nine chaetigers. Chaetae from median and posterior regions longer and slender (
<figureCitation id="130DC0D52C64FFF04632705AFAF62032" box="[1334,1404,832,856]" captionStart="Fig 7" captionStartId="10.[533,561,1746,1765]" captionTargetBox="[536,1127,1172,1721]" captionTargetId="figure-275@10.[533,1130,1171,1724]" captionTargetPageId="10" captionText="Fig 7. Meiodorvillea apalpata Jumars, 1974, LACM-AHF Poly. (A) anterior region, dorsal view; (B) pygidium, dorsal view; (C) parapodium from posterior region, anterior view; (D) mandibles; (E) basal plates and maxillary carrier-like structures. Dash lines represent broken chaeta. Abbreviations: an = antenna; capc = capillary chaeta; chc = compound heterogomph chaeta; dpc = dorsal pygidial cirrus; gc = geniculate chaeta; vc = ventral cirrus; vpc = ventral pygidial cirrus. Scale bars: (A,B) = 50 μm; (C) = 20 μm. (D,E): modified from Jumars [17] (no scale bars in the original figures). https://doi.org/10.1371/journal.pone.0264081.g007" figureDoi="http://doi.org/10.5281/zenodo.13151839" httpUri="https://zenodo.org/record/13151839/files/figure.png" pageId="11" pageNumber="12">Fig 7C</figureCitation>
).
</paragraph>
<paragraph id="8B89DC502C64FFF041317078FA0F20F7" blockId="11.[533,1535,208,1272]" pageId="11" pageNumber="12">
Pygidium rounded and narrower than previous chaetigers. Two pairs of clavate pygidial cirri, dorsal pair as long as pygidium, ventral pair half as long as pygidium (
<figureCitation id="130DC0D52C64FFF04636709FFAFC20F7" box="[1330,1398,901,925]" captionStart="Fig 7" captionStartId="10.[533,561,1746,1765]" captionTargetBox="[536,1127,1172,1721]" captionTargetId="figure-275@10.[533,1130,1171,1724]" captionTargetPageId="10" captionText="Fig 7. Meiodorvillea apalpata Jumars, 1974, LACM-AHF Poly. (A) anterior region, dorsal view; (B) pygidium, dorsal view; (C) parapodium from posterior region, anterior view; (D) mandibles; (E) basal plates and maxillary carrier-like structures. Dash lines represent broken chaeta. Abbreviations: an = antenna; capc = capillary chaeta; chc = compound heterogomph chaeta; dpc = dorsal pygidial cirrus; gc = geniculate chaeta; vc = ventral cirrus; vpc = ventral pygidial cirrus. Scale bars: (A,B) = 50 μm; (C) = 20 μm. (D,E): modified from Jumars [17] (no scale bars in the original figures). https://doi.org/10.1371/journal.pone.0264081.g007" figureDoi="http://doi.org/10.5281/zenodo.13151839" httpUri="https://zenodo.org/record/13151839/files/figure.png" pageId="11" pageNumber="12">Fig 7B</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="C32C8FDB2C64FFF0413170B2FC1D27D8" pageId="11" pageNumber="12" type="discussion">
<paragraph id="8B89DC502C64FFF0413170B2FB652742" blockId="11.[533,1535,208,1272]" pageId="11" pageNumber="12">
<emphasis id="B94200422C64FFF0413170B2FD1420AA" bold="true" box="[565,670,936,960]" pageId="11" pageNumber="12">Remarks.</emphasis>
Although the type material was in poor condition, the following differences from the original description were observed: presence of papilliform ventral cirrus inserted in the middle of the parapodium (
<figureCitation id="130DC0D52C64FFF0406670F7FC22276F" box="[866,936,1005,1029]" captionStart="Fig 7" captionStartId="10.[533,561,1746,1765]" captionTargetBox="[536,1127,1172,1721]" captionTargetId="figure-275@10.[533,1130,1171,1724]" captionTargetPageId="10" captionText="Fig 7. Meiodorvillea apalpata Jumars, 1974, LACM-AHF Poly. (A) anterior region, dorsal view; (B) pygidium, dorsal view; (C) parapodium from posterior region, anterior view; (D) mandibles; (E) basal plates and maxillary carrier-like structures. Dash lines represent broken chaeta. Abbreviations: an = antenna; capc = capillary chaeta; chc = compound heterogomph chaeta; dpc = dorsal pygidial cirrus; gc = geniculate chaeta; vc = ventral cirrus; vpc = ventral pygidial cirrus. Scale bars: (A,B) = 50 μm; (C) = 20 μm. (D,E): modified from Jumars [17] (no scale bars in the original figures). https://doi.org/10.1371/journal.pone.0264081.g007" figureDoi="http://doi.org/10.5281/zenodo.13151839" httpUri="https://zenodo.org/record/13151839/files/figure.png" pageId="11" pageNumber="12">Fig 7C</figureCitation>
), similar to
<taxonomicName id="4C36A7D32C64FFF0472C70F7FB12276E" baseAuthorityName="Hartman" baseAuthorityYear="1965" box="[1064,1176,1005,1029]" class="Polychaeta" family="Dorvilleidae" genus="Meiodorvillea" kingdom="Animalia" order="Eunicida" pageId="11" pageNumber="12" phylum="Annelida" rank="species" species="minuta">
<emphasis id="B94200422C64FFF0472C70F7FBB5276E" box="[1064,1087,1005,1028]" italics="true" pageId="11" pageNumber="12">M</emphasis>
.
<emphasis id="B94200422C64FFF0474F70F7FB12276E" box="[1099,1176,1005,1028]" italics="true" pageId="11" pageNumber="12">minuta</emphasis>
</taxonomicName>
; absence of neuroacicula; presence of cultriform chaeta in some specimens, including the
<typeStatus id="548D62F22C64FFF0478F770AFB612742" box="[1163,1259,1040,1064]" pageId="11" pageNumber="12" type="holotype">holotype</typeStatus>
.
</paragraph>
<paragraph id="8B89DC502C64FFF041317728FBE12707" blockId="11.[533,1535,208,1272]" pageId="11" pageNumber="12">
Jumars [
<bibRefCitation id="EFA7A1A12C64FFF041947728FD232720" author="Jumars PA" box="[656,681,1074,1098]" pageId="11" pageNumber="12" pagination="101 - 135" refId="ref15367" refString="17. Jumars PA. A generic revision of the Dorvilleidae (Polychaeta), with six new species from the deep North Pacific. Zool J Linn Soc. 1974; 54 (2): 101 - 135. https: // doi. org / 10.1111 / j. 1096 - 3642.1974. tb 00794. x." type="journal article" year="1974">17</bibRefCitation>
] did not mention the presence of maxillary plates in the jaw apparatus, although more material is needed to better describe this structure.
</paragraph>
<paragraph id="8B89DC502C64FFF04131776DFC1D27D8" blockId="11.[533,1535,208,1272]" pageId="11" pageNumber="12">
<taxonomicName id="4C36A7D32C64FFF04131776DFCA227E5" authorityName="Jumars" authorityYear="1974" box="[565,808,1143,1167]" class="Polychaeta" family="Dorvilleidae" genus="Meiodorvillea" kingdom="Animalia" order="Eunicida" pageId="11" pageNumber="12" phylum="Annelida" rank="species" species="apalpata">
<emphasis id="B94200422C64FFF04131776DFCA227E5" box="[565,808,1143,1167]" italics="true" pageId="11" pageNumber="12">Meiodorvillea apalpata</emphasis>
</taxonomicName>
resembles
<taxonomicName id="4C36A7D32C64FFF04099776DFBEC27FA" box="[925,1126,1143,1168]" class="Polychaeta" family="Dorvilleidae" genus="Meiodorvillea" kingdom="Animalia" order="Eunicida" pageId="11" pageNumber="12" phylum="Annelida" rank="species" species="undefined-B">
<emphasis id="B94200422C64FFF04099776DFBA427E5" box="[925,1070,1143,1167]" italics="true" pageId="11" pageNumber="12">Meiodorvillea</emphasis>
sp. B
</taxonomicName>
[
<bibRefCitation id="EFA7A1A12C64FFF047717762FB0427FA" author="Wolf PS" box="[1141,1166,1144,1168]" pageId="11" pageNumber="12" pagination="1 - 44" refId="ref15496" refString="19. Wolf PS. Chapter 44. Dorvilleidae. In: Uebelacker JM, Johnson PG editors. Taxonomic Guide to the Polychaetes of the Northern Gulf of Mexico. Volume VI. B. A. Vittor &amp; Associates, Inc. 1984; 44 / 1 - 44 / 37." type="journal article" year="1984">19</bibRefCitation>
] in lacking palps, but the latter has dorsal cirri from chaetigers 2 to 45.
</paragraph>
</subSubSection>
<subSubSection id="C32C8FDB2C64FFF0413177A7FA442792" pageId="11" pageNumber="12" type="description">
<paragraph id="8B89DC502C64FFF0413177A7FA442792" blockId="11.[533,1535,208,1272]" pageId="11" pageNumber="12">
<emphasis id="B94200422C64FFF0413177A7FBC127BF" bold="true" box="[565,1099,1213,1237]" pageId="11" pageNumber="12">Geographic distribution and bathymetric range.</emphasis>
<materialsCitation id="3B5ED60D2C64FFF0476477A7FA432792" country="United States of America" elevation="1224" location="Northeastern Pacific Ocean" pageId="11" pageNumber="12" specimenCount="1" stateProvince="California">
Known only from the
<typeStatus id="548D62F22C64FFF0464F77A7FAF227BF" box="[1355,1400,1213,1237]" pageId="11" pageNumber="12">type</typeStatus>
locality,
<location id="8EE98A8B2C64FFF0411177FAFCB62792" LSID="urn:lsid:plazi:treatment:039F6D462C65FFF041117165FA442792:8EE98A8B2C64FFF0411177FAFCB62792" box="[533,828,1248,1272]" country="United States of America" name="Northeastern Pacific Ocean" pageId="11" pageNumber="12" stateProvince="California">Northeastern Pacific Ocean</location>
, east coast of
<collectingRegion id="49F212B22C64FFF040CF77FAFBBC2792" box="[971,1078,1248,1272]" country="United States of America" name="California" pageId="11" pageNumber="12">California</collectingRegion>
(
<collectingCountry id="F3219CC02C64FFF0474077FAFBF62792" box="[1092,1148,1248,1272]" name="United States of America" pageId="11" pageNumber="12">USA</collectingCountry>
),
<quantity id="4CCE71B52C64FFF0478977FAFAA02792" box="[1165,1322,1248,1272]" metricMagnitude="3" metricUnit="m" metricValue="1.2235" metricValueMax="1.224" metricValueMin="1.223" pageId="11" pageNumber="12" unit="m" value="1223.5" valueMax="1224.0" valueMin="1223.0">
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</quantity>
, silty mud [
<bibRefCitation id="EFA7A1A12C64FFF046A277FAFA352792" author="Jumars PA" box="[1446,1471,1248,1272]" pageId="11" pageNumber="12" pagination="101 - 135" refId="ref15367" refString="17. Jumars PA. A generic revision of the Dorvilleidae (Polychaeta), with six new species from the deep North Pacific. Zool J Linn Soc. 1974; 54 (2): 101 - 135. https: // doi. org / 10.1111 / j. 1096 - 3642.1974. tb 00794. x." type="journal article" year="1974">17</bibRefCitation>
]
</materialsCitation>
.
</paragraph>
</subSubSection>
</treatment>
</document>