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<document id="80347721047BCD8EBBCFB084313277C0" ID-CLB-Dataset="7960" ID-DOI="10.5852/ejt.2021.736.1251" ID-GBIF-Dataset="96544bf9-acb7-48fc-ae04-60da8dc5561a" ID-ISSN="2118-9773" ID-Zenodo-Dep="4570204" ID-ZooBank="68249639-5FAD-4860-A2EA-0D34690C10FC" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1614596052411" checkinUser="plazi" docAuthor="Ravara, Ascensão, Wiklund, Helena &amp; Cunha, Marina R." docDate="2021" docId="03C5B70FE948FFABFE6788E46C43F992" docLanguage="en" docName="ejt-736_44-81.pdf" docOrigin="European Journal of Taxonomy 736" docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.14:EJT.2018-.journal_article.type1" docStyleId="EF2B578F1D15862ADE45B0C07C620911" docStyleName="EJT.2018-.journal_article.type1" docStyleVersion="14" docTitle="Ophryotrocha lipscombae Lu &amp; Fauchald 2000" docType="treatment" docVersion="7" lastPageNumber="63" masterDocId="FFFCCF77E959FFB8FF8D8B0C6E6EFFD7" masterDocTitle="Four new species and further records of Dorvilleidae (Annelida, Polychaeta) from deep-sea organic substrata, NE Atlantic" masterLastPageNumber="81" masterPageNumber="44" pageNumber="61" updateTime="1698931639003" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="2ACC3487812B8E0A39D6B65D879CFCB3">Four new species and further records of Dorvilleidae (Annelida, Polychaeta) from deep-sea organic substrata, NE Atlantic</mods:title>
</mods:titleInfo>
<mods:name id="CDFA977757A9D6BB33FE29C10E591EA2" type="personal">
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<mods:roleTerm id="C713052ACB799045CAAA8DBCDE9A21F7">Author</mods:roleTerm>
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<mods:namePart id="9BAA251BADE32A810D423CFF9EE6FA1A">Ravara, Ascensão</mods:namePart>
<mods:nameIdentifier id="55CF51CBEAB312311CBEBC177FA9BC85" type="LSID">677F8AB4-7FD3-483A-A047-C4BD5A6A449D</mods:nameIdentifier>
<mods:affiliation id="EDFC5397CDD0B355F69B6D86EA983DF1">Centro de Estudos do Ambiente e do Mar, Departamento de Biologia, Universidade de Aveiro, Campus de Santiago, 3810 - 193 Aveiro, Portugal. Department of Marine Sciences, University of Gothenburg, Carl Skottbergsgata 22 B, 413 19 Gothenburg, Sweden. Life Sciences Department, Natural History Museum, Cromwell Rd, London SW 7 5 BD, UK.</mods:affiliation>
<mods:nameIdentifier id="5497508D348182747F36470DD545B897" type="email">aravara@ua.pt</mods:nameIdentifier>
</mods:name>
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</mods:role>
<mods:namePart id="7A022DCAB79F7D2131E5A17B75DC218C">Wiklund, Helena</mods:namePart>
<mods:nameIdentifier id="D3628F73DB01A80D9F4245778433335B" type="LSID">114C3853-7E48-42AC-88F3-F7AC327B24F3</mods:nameIdentifier>
<mods:affiliation id="64BF6F30A754764DEC698947E61AF576">Department of Marine Sciences, University of Gothenburg, Carl Skottbergsgata 22 B, 413 19 Gothenburg, Sweden. &amp; Life Sciences Department, Natural History Museum, Cromwell Rd, London SW 7 5 BD, UK.</mods:affiliation>
<mods:nameIdentifier id="C144E20F525A18D49C84641B0F4836C3" type="email">helena.wiklund@marine.gu.se</mods:nameIdentifier>
</mods:name>
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<mods:role id="8EE8C75E2650714D978286F5CA535637">
<mods:roleTerm id="9861E3AAD64FFA1D20F7608DE968708F">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="532668011E423AF704CF10BBE46AF8D0">Cunha, Marina R.</mods:namePart>
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<mods:affiliation id="2994E97B3275F7C6E0E814B5AFE192C6">Centro de Estudos do Ambiente e do Mar, Departamento de Biologia, Universidade de Aveiro, Campus de Santiago, 3810 - 193 Aveiro, Portugal. Department of Marine Sciences, University of Gothenburg, Carl Skottbergsgata 22 B, 413 19 Gothenburg, Sweden. Life Sciences Department, Natural History Museum, Cromwell Rd, London SW 7 5 BD, UK.</mods:affiliation>
<mods:nameIdentifier id="A8342A76112261AEA7AEF387BDACAC1F" type="email">marina.cunha@ua.pt</mods:nameIdentifier>
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<mods:title id="F9A0A074CBDEE5660FC167F0CE4402FD">European Journal of Taxonomy</mods:title>
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<mods:part id="830B653CB77032AF2C4F5F7B000D5423">
<mods:date id="836E95F136313E28C0CEE0769A9EDAFA">2021</mods:date>
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<mods:number id="A0FCD70E05B322B8C3BE5D3A7A2B39E4">2021-02-26</mods:number>
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<treatment id="03C5B70FE948FFABFE6788E46C43F992" ID-DOI="http://doi.org/10.5281/zenodo.4570315" ID-GBIF-Taxon="179983444" ID-Zenodo-Dep="4570315" LSID="urn:lsid:plazi:treatment:03C5B70FE948FFABFE6788E46C43F992" httpUri="http://treatment.plazi.org/id/03C5B70FE948FFABFE6788E46C43F992" lastPageId="19" lastPageNumber="63" pageId="17" pageNumber="61">
<subSubSection id="C3765592E948FFA9FE6788E46A24FBD5" box="[490,1098,1000,1027]" pageId="17" pageNumber="61" type="nomenclature">
<paragraph id="8BD30619E948FFA9FE6788E46A24FBD5" blockId="17.[490,1098,1000,1062]" box="[490,1098,1000,1027]" pageId="17" pageNumber="61">
<heading id="D09BB175E948FFA9FE6788E46A24FBD5" box="[490,1098,1000,1027]" centered="true" fontSize="11" level="2" pageId="17" pageNumber="61" reason="2">
<taxonomicName id="4C6C7D9AE948FFA9FE6788E46A24FBD5" ID-CoL="752PS" authority="Lu &amp; Fauchald, 2000" authorityName="Lu &amp; Fauchald" authorityYear="2000" box="[490,1098,1000,1027]" class="Polychaeta" family="Dorvilleidae" genus="Ophryotrocha" kingdom="Animalia" order="Eunicida" pageId="17" pageNumber="61" phylum="Annelida" rank="species" species="lipscombae">
<emphasis id="B918DA0BE948FFA9FE6788E46CFDFBD4" bold="true" box="[490,659,1000,1027]" italics="true" pageId="17" pageNumber="61">Ophryotrocha</emphasis>
cf.
<emphasis id="B918DA0BE948FFA9FD4D88E46D29FBD4" bold="true" box="[704,839,1000,1027]" italics="true" pageId="17" pageNumber="61">lipscombae</emphasis>
<bibRefCitation id="EFFD7BE8E948FFA9FCC288E56A24FBD5" author="Lu H. &amp; Fauchald K." box="[847,1098,1000,1027]" pageId="17" pageNumber="61" pagination="486 - 492" refId="ref20190" refString="Lu H. &amp; Fauchald K. 2000. Ophryotrocha lipscombae, a new species and a possible connection between ctenognath and labidognath-prionognath eunicean worms (Polychaeta). Proceedings of the Biological Society of Washington 113 (2): 486 - 492. Available from http: // www. biodiversitylibrary. org / item / 109909 # page / 498 / mode / 1 up [accessed 11 Feb. 2021]." type="journal article" year="2000">Lu &amp; Fauchald, 2000</bibRefCitation>
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C3765592E948FFA9FD7A8F006D52FBF1" box="[759,828,1036,1062]" pageId="17" pageNumber="61" type="description">
<paragraph id="8BD30619E948FFA9FD7A8F006D52FBF1" blockId="17.[490,1098,1000,1062]" box="[759,828,1036,1062]" pageId="17" pageNumber="61">
<figureCitation id="13571A9CE948FFA9FD7A8F006D52FBF1" box="[759,828,1036,1062]" captionStart="Fig" captionStartId="18.[189,232,1751,1777]" captionTargetBox="[311,1277,265,1726]" captionTargetId="figure-121@18.[311,1277,265,1727]" captionTargetPageId="18" captionText="Fig. 9.Ophryotrocha lipscombae Lu &amp;Fauchald, 2000 (DBUA0002285.01). Stereo (A–B) and compound (C–O) microscope images. A. Complete specimen, dorsal view. B. Prostomium of a smaller specimen, ventral view. C. Mandibular and maxillary apparatus, ventral view. D–E. Anterior tip of mandible of larger specimens. F. Maxillary carrier, forceps and basal denticles, dorsal view. G–H. Maxillarydistal denticles and accessory plates from right and left sides, respectively. I. Anterior tip of mandible of smaller specimen. J. Maxillary forceps and basal denticles, dorsal view. K–L. Supra-acicular chaetae, mid-body parapodium.M. Sub-acicular hook, mid-body parapodium. N. Anterior parapodium, posterior view. O. Sub-acicular chaetae, mid-body parapodium. Number 1 refers to free denticle 1." figureDoi="http://doi.org/10.5281/zenodo.4570222" httpUri="https://zenodo.org/record/4570222/files/figure.png" pageId="17" pageNumber="61">Fig. 9</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="C3765592E948FFA9FF308F426A2BFB5B" pageId="17" pageNumber="61" type="reference_group">
<paragraph id="8BD30619E948FFA9FF308F426A2BFB5B" blockId="17.[189,1399,1102,1164]" pageId="17" pageNumber="61">
<treatmentCitationGroup id="AB7C2137E948FFA9FF308F426A2BFB5B" pageId="17" pageNumber="61">
<treatmentCitation id="0ACD2008E948FFA9FF308F426D28FBBF" author="Lu H. &amp; Fauchald K." box="[189,838,1102,1128]" page="486" pageId="17" pageNumber="61" year="2000">
<taxonomicName id="4C6C7D9AE948FFA9FF308F426D28FBBF" ID-CoL="752PS" authority="Lu &amp; Fauchald, 2000: 486" authorityName="Lu &amp; Fauchald" authorityPageNumber="486" authorityYear="2000" box="[189,838,1102,1128]" class="Polychaeta" family="Dorvilleidae" genus="Ophryotrocha" kingdom="Animalia" order="Eunicida" pageId="17" pageNumber="61" phylum="Annelida" rank="species" species="lipscombae">
<emphasis id="B918DA0BE948FFA9FF308F426F9DFBBF" box="[189,499,1102,1128]" italics="true" pageId="17" pageNumber="61">Ophryotrocha lipscombae</emphasis>
<bibRefCitation id="EFFD7BE8E948FFA9FE738F426D28FBBF" author="Lu H. &amp; Fauchald K." box="[510,838,1102,1128]" pageId="17" pageNumber="61" pagination="486 - 492" refId="ref20190" refString="Lu H. &amp; Fauchald K. 2000. Ophryotrocha lipscombae, a new species and a possible connection between ctenognath and labidognath-prionognath eunicean worms (Polychaeta). Proceedings of the Biological Society of Washington 113 (2): 486 - 492. Available from http: // www. biodiversitylibrary. org / item / 109909 # page / 498 / mode / 1 up [accessed 11 Feb. 2021]." type="journal article" year="2000">Lu &amp; Fauchald, 2000: 486</bibRefCitation>
</taxonomicName>
</treatmentCitation>
, figs 1–4 (
<typeStatus id="54D7B8BBE948FFA9FC468F426D91FBBF" box="[971,1023,1102,1128]" pageId="17" pageNumber="61">type</typeStatus>
locality: continental slope
<quantity id="4C94ABFCE948FFA9FAC18F426F44FB5C" metricMagnitude="5" metricUnit="m" metricValue="1.7702784" pageId="17" pageNumber="61" unit="mi" value="110.0">110 miles</quantity>
south of Woods Hole,
<collectingRegion id="49A8C8FBE948FFA9FDBA8F7D6C8AFB5C" box="[567,740,1137,1163]" country="United States of America" name="Massachusetts" pageId="17" pageNumber="61">Massachusetts</collectingRegion>
, NW Atlantic, depth
<quantity id="4C94ABFCE948FFA9FC568F7D6A56FB5B" box="[987,1080,1137,1164]" metricMagnitude="3" metricUnit="m" metricValue="1.83" pageId="17" pageNumber="61" unit="m" value="1830.0">1830 m</quantity>
).
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="C3765592E948FFA9FF308FBF6C75FA7D" pageId="17" pageNumber="61" type="materials_examined">
<paragraph id="8BD30619E948FFA9FF308FBF6FC4FB1A" blockId="17.[189,426,1203,1229]" box="[189,426,1203,1229]" pageId="17" pageNumber="61">
<heading id="D09BB175E948FFA9FF308FBF6FC4FB1A" bold="true" box="[189,426,1203,1229]" fontSize="11" level="3" pageId="17" pageNumber="61" reason="3">
<emphasis id="B918DA0BE948FFA9FF308FBF6FC4FB1A" bold="true" box="[189,426,1203,1229]" pageId="17" pageNumber="61">Material examined</emphasis>
</heading>
</paragraph>
<paragraph id="8BD30619E948FFA9FF308FEE6D8CFAF7" blockId="17.[189,1399,1248,1312]" pageId="17" pageNumber="61">
<materialsCitation id="3B040C44E948FFA9FF308FEE6DB1FAF7" ID-GBIF-Occurrence="3044001318" collectedFrom="wood substratum" collectingDate="2008-03-02" collectionCode="MV" country="Morocco" elevation="354" latitude="35.2986" location="MOROCCO" longLatPrecision="1" longitude="-6.64515" pageId="17" pageNumber="61" specimenCode="DBUA0002284.01" specimenCount="1">
<collectingCountry id="F37B4689E948FFA9FF308FEE6F3FFB2B" box="[189,337,1250,1276]" name="Morocco" pageId="17" pageNumber="61">MOROCCO</collectingCountry>
•
<specimenCount id="9D6ACD90E948FFA9FEE58FEE6FD6FB2A" box="[360,440,1250,1277]" pageId="17" pageNumber="61" type="generic">1 spec.</specimenCount>
(formalin); GoC, Mercator MV;
<geoCoordinate id="EE5860DEE948FFA9FCBB8FEC6DBAFB2A" box="[822,980,1248,1277]" degrees="35" direction="north" minutes="17.916" orientation="latitude" pageId="17" pageNumber="61" precision="1" value="35.2986">35°17.916′ N</geoCoordinate>
,
<geoCoordinate id="EE5860DEE948FFA9FC528FEC6AECFB2A" box="[991,1154,1248,1277]" degrees="06" direction="west" minutes="38.709" orientation="longitude" pageId="17" pageNumber="61" precision="1" value="-6.64515">06°38.709′ W</geoCoordinate>
;
<elevation id="0041E12AE948FFA9FB008FEE6B4FFB2B" box="[1165,1313,1250,1277]" metricMagnitude="2" metricUnit="m" metricValue="3.54" pageId="17" pageNumber="61" unit="m" value="354.0">
<quantity id="4C94ABFCE948FFA9FB008FEE6AB8FB2A" box="[1165,1238,1250,1277]" metricMagnitude="2" metricUnit="m" metricValue="3.54" pageId="17" pageNumber="61" unit="m" value="354.0">354 m</quantity>
depth
</elevation>
;
<date id="FFD220D9E948FFA9FAA68FEE6E95FAF7" pageId="17" pageNumber="61" value="2008-03-02">
<collectingDate id="EF96D931E948FFA9FAA68FEE6E95FAF7" pageId="17" pageNumber="61" value="2008-03-02">2 Mar. 2008</collectingDate>
</date>
; Stn 64PE284_12750W;
<collectedFrom id="387045E4E948FFA9FDAE8E0A6C9FFAF7" box="[547,753,1286,1312]" pageId="17" pageNumber="61">wood substratum</collectedFrom>
;
<specimenCode id="DBCAAE62E948FFA9FD718E0A6DB1FAF7" box="[764,991,1286,1312]" collectionCode="DBUA" country="Portugal" httpUri="http://grbio.org/cool/p469-157j" name="Zoological Collection of the Biology Department, University of the Azores" pageId="17" pageNumber="61">DBUA0002284.01</specimenCode>
</materialsCitation>
.
</paragraph>
<paragraph id="8BD30619E948FFA9FF308E446C75FA7D" blockId="17.[189,1399,1351,1450]" pageId="17" pageNumber="61">
<materialsCitation id="3B040C44E948FFA9FF308E446C79FA7D" ID-GBIF-Occurrence="3044001323" collectedFrom="wood substrata" collectingDate="2017-06-01" collectionCode="WIM" country="Portugal" elevation="327" latitude="39.28825" location="PORTUGAL" longLatPrecision="1" longitude="-10.017417" pageId="17" pageNumber="61" specimenCode="DBUA0002285.01" specimenCount="51">
<collectingCountry id="F37B4689E948FFA9FF308E446F36FAB5" box="[189,344,1352,1378]" name="Portugal" pageId="17" pageNumber="61">PORTUGAL</collectingCountry>
•
<specimenCount id="9D6ACD90E948FFA9FEFA8E4B6F8EFAB5" box="[375,480,1351,1378]" pageId="17" pageNumber="61">51 specs</specimenCount>
(2 hologenophores, 49 paragenophores; ethanol); WIM, Estremadura Spur;
<geoCoordinate id="EE5860DEE948FFA9FF308E666F0DFA51" box="[189,355,1386,1414]" degrees="39" direction="north" minutes="17.295" orientation="latitude" pageId="17" pageNumber="61" precision="1" value="39.28825">39°17.295′ N</geoCoordinate>
,
<geoCoordinate id="EE5860DEE948FFA9FEF88E666C4FFA51" box="[373,545,1386,1414]" degrees="10" direction="west" minutes="01.045" orientation="longitude" pageId="17" pageNumber="61" precision="1" value="-10.017417">10°01.045′ W</geoCoordinate>
;
<elevation id="0041E12AE948FFA9FDB98E676CB9FA52" box="[564,727,1387,1414]" metricMagnitude="2" metricUnit="m" metricValue="3.27" pageId="17" pageNumber="61" unit="m" value="327.0">
<quantity id="4C94ABFCE948FFA9FDB98E676CEBFA51" box="[564,645,1387,1414]" metricMagnitude="2" metricUnit="m" metricValue="3.27" pageId="17" pageNumber="61" unit="m" value="327.0">327 m</quantity>
depth
</elevation>
;
<date id="FFD220D9E948FFA9FD678E676DECFA52" box="[746,898,1387,1414]" pageId="17" pageNumber="61" value="2017-06-01">
<collectingDate id="EF96D931E948FFA9FD678E676DECFA52" box="[746,898,1387,1414]" pageId="17" pageNumber="61" value="2017-06-01">1 Jun. 2017</collectingDate>
</date>
; Stn PES_ROVL17D01-pick#3W;
<collectedFrom id="387045E4E948FFA9FAB88E676F47FA7E" pageId="17" pageNumber="61">wood substrata</collectedFrom>
;
<specimenCode id="DBCAAE62E948FFA9FEB88E836C79FA7D" box="[309,535,1423,1450]" collectionCode="DBUA" country="Portugal" httpUri="http://grbio.org/cool/p469-157j" name="Zoological Collection of the Biology Department, University of the Azores" pageId="17" pageNumber="61">DBUA0002285.01</specimenCode>
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C3765592E948FFABFF308EDC6A1FFE04" lastPageId="19" lastPageNumber="63" pageId="17" pageNumber="61" type="description">
<paragraph id="8BD30619E948FFA9FF308EDC6D43FA3C" blockId="17.[189,813,1488,1515]" box="[189,813,1488,1515]" pageId="17" pageNumber="61">
<heading id="D09BB175E948FFA9FF308EDC6D43FA3C" bold="true" box="[189,813,1488,1515]" fontSize="11" level="3" pageId="17" pageNumber="61" reason="3">
<emphasis id="B918DA0BE948FFA9FF308EDC6D43FA3C" bold="true" box="[189,813,1488,1515]" pageId="17" pageNumber="61">Description of the material examined in this study</emphasis>
</heading>
</paragraph>
<paragraph id="8BD30619E948FFABFF308EF36A1FFE04" blockId="17.[186,1401,1535,2025]" lastBlockId="19.[188,1400,265,468]" lastPageId="19" lastPageNumber="63" pageId="17" pageNumber="61">
Body robust and compact (
<figureCitation id="13571A9CE948FFA9FD8E8EF36C0DF9CD" box="[515,611,1535,1562]" captionStart="Fig" captionStartId="18.[189,232,1751,1777]" captionTargetBox="[311,1277,265,1726]" captionTargetId="figure-121@18.[311,1277,265,1727]" captionTargetPageId="18" captionText="Fig. 9.Ophryotrocha lipscombae Lu &amp;Fauchald, 2000 (DBUA0002285.01). Stereo (A–B) and compound (C–O) microscope images. A. Complete specimen, dorsal view. B. Prostomium of a smaller specimen, ventral view. C. Mandibular and maxillary apparatus, ventral view. D–E. Anterior tip of mandible of larger specimens. F. Maxillary carrier, forceps and basal denticles, dorsal view. G–H. Maxillarydistal denticles and accessory plates from right and left sides, respectively. I. Anterior tip of mandible of smaller specimen. J. Maxillary forceps and basal denticles, dorsal view. K–L. Supra-acicular chaetae, mid-body parapodium.M. Sub-acicular hook, mid-body parapodium. N. Anterior parapodium, posterior view. O. Sub-acicular chaetae, mid-body parapodium. Number 1 refers to free denticle 1." figureDoi="http://doi.org/10.5281/zenodo.4570222" httpUri="https://zenodo.org/record/4570222/files/figure.png" pageId="17" pageNumber="61">Fig. 9A</figureCitation>
), with the same width throughout, only tapering at the pygidium. Largest specimen
<quantity id="4C94ABFCE948FFA9FE038D2F6F8AF9E9" box="[398,484,1571,1598]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" pageId="17" pageNumber="61" unit="mm" value="2.5">2.5mm</quantity>
long and
<quantity id="4C94ABFCE948FFA9FDC28D2F6CDAF9E9" box="[591,692,1571,1598]" metricMagnitude="-4" metricUnit="m" metricValue="4.3" pageId="17" pageNumber="61" unit="mm" value="0.43">0.43 mm</quantity>
wide for 38 chaetigers (
<figureCitation id="13571A9CE948FFA9FC4D8D2F6A6AF9EA" box="[960,1028,1571,1597]" captionStart="Fig" captionStartId="5.[189,232,1370,1396]" captionTargetBox="[193,1371,269,1298]" captionTargetId="figure-111@5.[189,1398,265,1298]" captionTargetPageId="5" captionText="Fig. 3. Relationships between the number of segments, body length and body width." figureDoi="http://doi.org/10.5281/zenodo.4570208" httpUri="https://zenodo.org/record/4570208/files/figure.png" pageId="17" pageNumber="61">Fig. 3</figureCitation>
).All segments with a transversal band of cilia. Prostomium short, broadly rounded, slightly trilobed (more evident in smaller specimens;
<figureCitation id="13571A9CE948FFA9FF308D666F79F953" box="[189,279,1642,1668]" captionStart="Fig" captionStartId="18.[189,232,1751,1777]" captionTargetBox="[311,1277,265,1726]" captionTargetId="figure-121@18.[311,1277,265,1727]" captionTargetPageId="18" captionText="Fig. 9.Ophryotrocha lipscombae Lu &amp;Fauchald, 2000 (DBUA0002285.01). Stereo (A–B) and compound (C–O) microscope images. A. Complete specimen, dorsal view. B. Prostomium of a smaller specimen, ventral view. C. Mandibular and maxillary apparatus, ventral view. D–E. Anterior tip of mandible of larger specimens. F. Maxillary carrier, forceps and basal denticles, dorsal view. G–H. Maxillarydistal denticles and accessory plates from right and left sides, respectively. I. Anterior tip of mandible of smaller specimen. J. Maxillary forceps and basal denticles, dorsal view. K–L. Supra-acicular chaetae, mid-body parapodium.M. Sub-acicular hook, mid-body parapodium. N. Anterior parapodium, posterior view. O. Sub-acicular chaetae, mid-body parapodium. Number 1 refers to free denticle 1." figureDoi="http://doi.org/10.5281/zenodo.4570222" httpUri="https://zenodo.org/record/4570222/files/figure.png" pageId="17" pageNumber="61">Fig. 9B</figureCitation>
), without eyes. Antennae and palps spherical, very small, may appear to be absent (only visible under the microscope). Peristomium achaetous, with two rings half the length of the following segments. Delimitation between the prostomium and the first ring of the peristomium almost imperceptible. Jaw apparatus dark and relatively large (
<figureCitation id="13571A9CE948FFA9FDD18DD96CD6F938" box="[604,696,1749,1775]" captionStart="Fig" captionStartId="18.[189,232,1751,1777]" captionTargetBox="[311,1277,265,1726]" captionTargetId="figure-121@18.[311,1277,265,1727]" captionTargetPageId="18" captionText="Fig. 9.Ophryotrocha lipscombae Lu &amp;Fauchald, 2000 (DBUA0002285.01). Stereo (A–B) and compound (C–O) microscope images. A. Complete specimen, dorsal view. B. Prostomium of a smaller specimen, ventral view. C. Mandibular and maxillary apparatus, ventral view. D–E. Anterior tip of mandible of larger specimens. F. Maxillary carrier, forceps and basal denticles, dorsal view. G–H. Maxillarydistal denticles and accessory plates from right and left sides, respectively. I. Anterior tip of mandible of smaller specimen. J. Maxillary forceps and basal denticles, dorsal view. K–L. Supra-acicular chaetae, mid-body parapodium.M. Sub-acicular hook, mid-body parapodium. N. Anterior parapodium, posterior view. O. Sub-acicular chaetae, mid-body parapodium. Number 1 refers to free denticle 1." figureDoi="http://doi.org/10.5281/zenodo.4570222" httpUri="https://zenodo.org/record/4570222/files/figure.png" pageId="17" pageNumber="61">Fig. 9B</figureCitation>
). Mandibles rod-like; in larger specimens, the anterior end is cut in two levels, with the inner lower level toothed (teeth often worn) (
<figureCitation id="13571A9CE948FFA9FC608DF56A5EF8C4" box="[1005,1072,1785,1811]" captionStart="Fig" captionStartId="18.[189,232,1751,1777]" captionTargetBox="[311,1277,265,1726]" captionTargetId="figure-121@18.[311,1277,265,1727]" captionTargetPageId="18" captionText="Fig. 9.Ophryotrocha lipscombae Lu &amp;Fauchald, 2000 (DBUA0002285.01). Stereo (A–B) and compound (C–O) microscope images. A. Complete specimen, dorsal view. B. Prostomium of a smaller specimen, ventral view. C. Mandibular and maxillary apparatus, ventral view. D–E. Anterior tip of mandible of larger specimens. F. Maxillary carrier, forceps and basal denticles, dorsal view. G–H. Maxillarydistal denticles and accessory plates from right and left sides, respectively. I. Anterior tip of mandible of smaller specimen. J. Maxillary forceps and basal denticles, dorsal view. K–L. Supra-acicular chaetae, mid-body parapodium.M. Sub-acicular hook, mid-body parapodium. N. Anterior parapodium, posterior view. O. Sub-acicular chaetae, mid-body parapodium. Number 1 refers to free denticle 1." figureDoi="http://doi.org/10.5281/zenodo.4570222" httpUri="https://zenodo.org/record/4570222/files/figure.png" pageId="17" pageNumber="61">Fig. 9</figureCitation>
C–E); in smaller specimens, the anterior end of mandibulae is mainly straight with small elevations at the outer tips and distinctly toothed (
<figureCitation id="13571A9CE948FFA9FEAA8C4C6F14F88D" box="[295,378,1856,1882]" captionStart="Fig" captionStartId="18.[189,232,1751,1777]" captionTargetBox="[311,1277,265,1726]" captionTargetId="figure-121@18.[311,1277,265,1727]" captionTargetPageId="18" captionText="Fig. 9.Ophryotrocha lipscombae Lu &amp;Fauchald, 2000 (DBUA0002285.01). Stereo (A–B) and compound (C–O) microscope images. A. Complete specimen, dorsal view. B. Prostomium of a smaller specimen, ventral view. C. Mandibular and maxillary apparatus, ventral view. D–E. Anterior tip of mandible of larger specimens. F. Maxillary carrier, forceps and basal denticles, dorsal view. G–H. Maxillarydistal denticles and accessory plates from right and left sides, respectively. I. Anterior tip of mandible of smaller specimen. J. Maxillary forceps and basal denticles, dorsal view. K–L. Supra-acicular chaetae, mid-body parapodium.M. Sub-acicular hook, mid-body parapodium. N. Anterior parapodium, posterior view. O. Sub-acicular chaetae, mid-body parapodium. Number 1 refers to free denticle 1." figureDoi="http://doi.org/10.5281/zenodo.4570222" httpUri="https://zenodo.org/record/4570222/files/figure.png" pageId="17" pageNumber="61">Fig. 9I</figureCitation>
). Maxillae with a pair of falcate forceps (
<figureCitation id="13571A9CE948FFA9FCEE8C4C6DD3F88D" box="[867,957,1856,1882]" captionStart="Fig" captionStartId="18.[189,232,1751,1777]" captionTargetBox="[311,1277,265,1726]" captionTargetId="figure-121@18.[311,1277,265,1727]" captionTargetPageId="18" captionText="Fig. 9.Ophryotrocha lipscombae Lu &amp;Fauchald, 2000 (DBUA0002285.01). Stereo (A–B) and compound (C–O) microscope images. A. Complete specimen, dorsal view. B. Prostomium of a smaller specimen, ventral view. C. Mandibular and maxillary apparatus, ventral view. D–E. Anterior tip of mandible of larger specimens. F. Maxillary carrier, forceps and basal denticles, dorsal view. G–H. Maxillarydistal denticles and accessory plates from right and left sides, respectively. I. Anterior tip of mandible of smaller specimen. J. Maxillary forceps and basal denticles, dorsal view. K–L. Supra-acicular chaetae, mid-body parapodium.M. Sub-acicular hook, mid-body parapodium. N. Anterior parapodium, posterior view. O. Sub-acicular chaetae, mid-body parapodium. Number 1 refers to free denticle 1." figureDoi="http://doi.org/10.5281/zenodo.4570222" httpUri="https://zenodo.org/record/4570222/files/figure.png" pageId="17" pageNumber="61">Fig. 9F</figureCitation>
), seven pairs of free denticles (D1–7) (
<figureCitation id="13571A9CE948FFA9FF4B8C6F6F61F8A9" box="[198,271,1891,1918]" captionStart="Fig" captionStartId="18.[189,232,1751,1777]" captionTargetBox="[311,1277,265,1726]" captionTargetId="figure-121@18.[311,1277,265,1727]" captionTargetPageId="18" captionText="Fig. 9.Ophryotrocha lipscombae Lu &amp;Fauchald, 2000 (DBUA0002285.01). Stereo (A–B) and compound (C–O) microscope images. A. Complete specimen, dorsal view. B. Prostomium of a smaller specimen, ventral view. C. Mandibular and maxillary apparatus, ventral view. D–E. Anterior tip of mandible of larger specimens. F. Maxillary carrier, forceps and basal denticles, dorsal view. G–H. Maxillarydistal denticles and accessory plates from right and left sides, respectively. I. Anterior tip of mandible of smaller specimen. J. Maxillary forceps and basal denticles, dorsal view. K–L. Supra-acicular chaetae, mid-body parapodium.M. Sub-acicular hook, mid-body parapodium. N. Anterior parapodium, posterior view. O. Sub-acicular chaetae, mid-body parapodium. Number 1 refers to free denticle 1." figureDoi="http://doi.org/10.5281/zenodo.4570222" httpUri="https://zenodo.org/record/4570222/files/figure.png" pageId="17" pageNumber="61">Fig. 9</figureCitation>
G–H) and five pairs of accessory plates (
<figureCitation id="13571A9CE948FFA9FC858C6F6D3DF8A9" box="[776,851,1891,1918]" captionStart="Fig" captionStartId="18.[189,232,1751,1777]" captionTargetBox="[311,1277,265,1726]" captionTargetId="figure-121@18.[311,1277,265,1727]" captionTargetPageId="18" captionText="Fig. 9.Ophryotrocha lipscombae Lu &amp;Fauchald, 2000 (DBUA0002285.01). Stereo (A–B) and compound (C–O) microscope images. A. Complete specimen, dorsal view. B. Prostomium of a smaller specimen, ventral view. C. Mandibular and maxillary apparatus, ventral view. D–E. Anterior tip of mandible of larger specimens. F. Maxillary carrier, forceps and basal denticles, dorsal view. G–H. Maxillarydistal denticles and accessory plates from right and left sides, respectively. I. Anterior tip of mandible of smaller specimen. J. Maxillary forceps and basal denticles, dorsal view. K–L. Supra-acicular chaetae, mid-body parapodium.M. Sub-acicular hook, mid-body parapodium. N. Anterior parapodium, posterior view. O. Sub-acicular chaetae, mid-body parapodium. Number 1 refers to free denticle 1." figureDoi="http://doi.org/10.5281/zenodo.4570222" httpUri="https://zenodo.org/record/4570222/files/figure.png" pageId="17" pageNumber="61">Fig. 9</figureCitation>
; the fifth plate was lost when detachjing the denticles,
<figureCitation id="13571A9CE948FFA9FEBB8C8B6F13F876" box="[310,381,1927,1953]" captionStart="Fig" captionStartId="18.[189,232,1751,1777]" captionTargetBox="[311,1277,265,1726]" captionTargetId="figure-121@18.[311,1277,265,1727]" captionTargetPageId="18" captionText="Fig. 9.Ophryotrocha lipscombae Lu &amp;Fauchald, 2000 (DBUA0002285.01). Stereo (A–B) and compound (C–O) microscope images. A. Complete specimen, dorsal view. B. Prostomium of a smaller specimen, ventral view. C. Mandibular and maxillary apparatus, ventral view. D–E. Anterior tip of mandible of larger specimens. F. Maxillary carrier, forceps and basal denticles, dorsal view. G–H. Maxillarydistal denticles and accessory plates from right and left sides, respectively. I. Anterior tip of mandible of smaller specimen. J. Maxillary forceps and basal denticles, dorsal view. K–L. Supra-acicular chaetae, mid-body parapodium.M. Sub-acicular hook, mid-body parapodium. N. Anterior parapodium, posterior view. O. Sub-acicular chaetae, mid-body parapodium. Number 1 refers to free denticle 1." figureDoi="http://doi.org/10.5281/zenodo.4570222" httpUri="https://zenodo.org/record/4570222/files/figure.png" pageId="17" pageNumber="61">Fig. 9</figureCitation>
G–H)); forceps with a main fang followed by 1–2 large and several very small teeth (
<figureCitation id="13571A9CE948FFA9FF4B8CA76F70F812" box="[198,286,1963,1989]" captionStart="Fig" captionStartId="18.[189,232,1751,1777]" captionTargetBox="[311,1277,265,1726]" captionTargetId="figure-121@18.[311,1277,265,1727]" captionTargetPageId="18" captionText="Fig. 9.Ophryotrocha lipscombae Lu &amp;Fauchald, 2000 (DBUA0002285.01). Stereo (A–B) and compound (C–O) microscope images. A. Complete specimen, dorsal view. B. Prostomium of a smaller specimen, ventral view. C. Mandibular and maxillary apparatus, ventral view. D–E. Anterior tip of mandible of larger specimens. F. Maxillary carrier, forceps and basal denticles, dorsal view. G–H. Maxillarydistal denticles and accessory plates from right and left sides, respectively. I. Anterior tip of mandible of smaller specimen. J. Maxillary forceps and basal denticles, dorsal view. K–L. Supra-acicular chaetae, mid-body parapodium.M. Sub-acicular hook, mid-body parapodium. N. Anterior parapodium, posterior view. O. Sub-acicular chaetae, mid-body parapodium. Number 1 refers to free denticle 1." figureDoi="http://doi.org/10.5281/zenodo.4570222" httpUri="https://zenodo.org/record/4570222/files/figure.png" pageId="17" pageNumber="61">Fig. 9J</figureCitation>
); D1 comb-like, with about 18 large and small teeth alternating (
<figureCitation id="13571A9CE948FFA9FBC78CA76AC6F812" box="[1098,1192,1963,1989]" captionStart="Fig" captionStartId="18.[189,232,1751,1777]" captionTargetBox="[311,1277,265,1726]" captionTargetId="figure-121@18.[311,1277,265,1727]" captionTargetPageId="18" captionText="Fig. 9.Ophryotrocha lipscombae Lu &amp;Fauchald, 2000 (DBUA0002285.01). Stereo (A–B) and compound (C–O) microscope images. A. Complete specimen, dorsal view. B. Prostomium of a smaller specimen, ventral view. C. Mandibular and maxillary apparatus, ventral view. D–E. Anterior tip of mandible of larger specimens. F. Maxillary carrier, forceps and basal denticles, dorsal view. G–H. Maxillarydistal denticles and accessory plates from right and left sides, respectively. I. Anterior tip of mandible of smaller specimen. J. Maxillary forceps and basal denticles, dorsal view. K–L. Supra-acicular chaetae, mid-body parapodium.M. Sub-acicular hook, mid-body parapodium. N. Anterior parapodium, posterior view. O. Sub-acicular chaetae, mid-body parapodium. Number 1 refers to free denticle 1." figureDoi="http://doi.org/10.5281/zenodo.4570222" httpUri="https://zenodo.org/record/4570222/files/figure.png" pageId="17" pageNumber="61">Fig. 9F</figureCitation>
); distal denticles plate-like, with up to 8 large and small teeth irregularly alternating (
<figureCitation id="13571A9CE948FFA9FC528CC26A4BF83F" box="[991,1061,1998,2024]" captionStart="Fig" captionStartId="18.[189,232,1751,1777]" captionTargetBox="[311,1277,265,1726]" captionTargetId="figure-121@18.[311,1277,265,1727]" captionTargetPageId="18" captionText="Fig. 9.Ophryotrocha lipscombae Lu &amp;Fauchald, 2000 (DBUA0002285.01). Stereo (A–B) and compound (C–O) microscope images. A. Complete specimen, dorsal view. B. Prostomium of a smaller specimen, ventral view. C. Mandibular and maxillary apparatus, ventral view. D–E. Anterior tip of mandible of larger specimens. F. Maxillary carrier, forceps and basal denticles, dorsal view. G–H. Maxillarydistal denticles and accessory plates from right and left sides, respectively. I. Anterior tip of mandible of smaller specimen. J. Maxillary forceps and basal denticles, dorsal view. K–L. Supra-acicular chaetae, mid-body parapodium.M. Sub-acicular hook, mid-body parapodium. N. Anterior parapodium, posterior view. O. Sub-acicular chaetae, mid-body parapodium. Number 1 refers to free denticle 1." figureDoi="http://doi.org/10.5281/zenodo.4570222" httpUri="https://zenodo.org/record/4570222/files/figure.png" pageId="17" pageNumber="61">Fig. 9</figureCitation>
G–H). Parapodia uniramous, with broadly conical acicular lobes, sub-acicular lobes and ovoid dorsal cirri fused to the acicular lobe (
<figureCitation id="13571A9CE94AFFABFF4A8A206F4FFE91" box="[199,289,300,326]" captionStart="Fig" captionStartId="18.[189,232,1751,1777]" captionTargetBox="[311,1277,265,1726]" captionTargetId="figure-121@18.[311,1277,265,1727]" captionTargetPageId="18" captionText="Fig. 9.Ophryotrocha lipscombae Lu &amp;Fauchald, 2000 (DBUA0002285.01). Stereo (A–B) and compound (C–O) microscope images. A. Complete specimen, dorsal view. B. Prostomium of a smaller specimen, ventral view. C. Mandibular and maxillary apparatus, ventral view. D–E. Anterior tip of mandible of larger specimens. F. Maxillary carrier, forceps and basal denticles, dorsal view. G–H. Maxillarydistal denticles and accessory plates from right and left sides, respectively. I. Anterior tip of mandible of smaller specimen. J. Maxillary forceps and basal denticles, dorsal view. K–L. Supra-acicular chaetae, mid-body parapodium.M. Sub-acicular hook, mid-body parapodium. N. Anterior parapodium, posterior view. O. Sub-acicular chaetae, mid-body parapodium. Number 1 refers to free denticle 1." figureDoi="http://doi.org/10.5281/zenodo.4570222" httpUri="https://zenodo.org/record/4570222/files/figure.png" pageId="19" pageNumber="63">Fig. 9N</figureCitation>
); ventral cirri apparently absent. Aciculae slightly protruding in all parapodia. Sub-acicular lobes with harpoon-like protruding acicula with acute tip and subdistal tooth (
<figureCitation id="13571A9CE94AFFABFC778A436A32FEBD" box="[1018,1116,335,362]" captionStart="Fig" captionStartId="18.[189,232,1751,1777]" captionTargetBox="[311,1277,265,1726]" captionTargetId="figure-121@18.[311,1277,265,1727]" captionTargetPageId="18" captionText="Fig. 9.Ophryotrocha lipscombae Lu &amp;Fauchald, 2000 (DBUA0002285.01). Stereo (A–B) and compound (C–O) microscope images. A. Complete specimen, dorsal view. B. Prostomium of a smaller specimen, ventral view. C. Mandibular and maxillary apparatus, ventral view. D–E. Anterior tip of mandible of larger specimens. F. Maxillary carrier, forceps and basal denticles, dorsal view. G–H. Maxillarydistal denticles and accessory plates from right and left sides, respectively. I. Anterior tip of mandible of smaller specimen. J. Maxillary forceps and basal denticles, dorsal view. K–L. Supra-acicular chaetae, mid-body parapodium.M. Sub-acicular hook, mid-body parapodium. N. Anterior parapodium, posterior view. O. Sub-acicular chaetae, mid-body parapodium. Number 1 refers to free denticle 1." figureDoi="http://doi.org/10.5281/zenodo.4570222" httpUri="https://zenodo.org/record/4570222/files/figure.png" pageId="19" pageNumber="63">Fig. 9M</figureCitation>
). Supra-acicular chaetae simple, subdistally serrated, tapering abruptly into a large main fang (
<figureCitation id="13571A9CE94AFFABFC7D8A7F6A5BFE5A" box="[1008,1077,371,397]" captionStart="Fig" captionStartId="18.[189,232,1751,1777]" captionTargetBox="[311,1277,265,1726]" captionTargetId="figure-121@18.[311,1277,265,1727]" captionTargetPageId="18" captionText="Fig. 9.Ophryotrocha lipscombae Lu &amp;Fauchald, 2000 (DBUA0002285.01). Stereo (A–B) and compound (C–O) microscope images. A. Complete specimen, dorsal view. B. Prostomium of a smaller specimen, ventral view. C. Mandibular and maxillary apparatus, ventral view. D–E. Anterior tip of mandible of larger specimens. F. Maxillary carrier, forceps and basal denticles, dorsal view. G–H. Maxillarydistal denticles and accessory plates from right and left sides, respectively. I. Anterior tip of mandible of smaller specimen. J. Maxillary forceps and basal denticles, dorsal view. K–L. Supra-acicular chaetae, mid-body parapodium.M. Sub-acicular hook, mid-body parapodium. N. Anterior parapodium, posterior view. O. Sub-acicular chaetae, mid-body parapodium. Number 1 refers to free denticle 1." figureDoi="http://doi.org/10.5281/zenodo.4570222" httpUri="https://zenodo.org/record/4570222/files/figure.png" pageId="19" pageNumber="63">Fig. 9</figureCitation>
K–L). Sub-acicular chaetae compound with very short serrated blades abruptly tapering into a main fang; heterogomph shafts distally serrated (
<figureCitation id="13571A9CE94AFFABFEA58AB56FE8FE03" box="[296,390,441,468]" captionStart="Fig" captionStartId="18.[189,232,1751,1777]" captionTargetBox="[311,1277,265,1726]" captionTargetId="figure-121@18.[311,1277,265,1727]" captionTargetPageId="18" captionText="Fig. 9.Ophryotrocha lipscombae Lu &amp;Fauchald, 2000 (DBUA0002285.01). Stereo (A–B) and compound (C–O) microscope images. A. Complete specimen, dorsal view. B. Prostomium of a smaller specimen, ventral view. C. Mandibular and maxillary apparatus, ventral view. D–E. Anterior tip of mandible of larger specimens. F. Maxillary carrier, forceps and basal denticles, dorsal view. G–H. Maxillarydistal denticles and accessory plates from right and left sides, respectively. I. Anterior tip of mandible of smaller specimen. J. Maxillary forceps and basal denticles, dorsal view. K–L. Supra-acicular chaetae, mid-body parapodium.M. Sub-acicular hook, mid-body parapodium. N. Anterior parapodium, posterior view. O. Sub-acicular chaetae, mid-body parapodium. Number 1 refers to free denticle 1." figureDoi="http://doi.org/10.5281/zenodo.4570222" httpUri="https://zenodo.org/record/4570222/files/figure.png" pageId="19" pageNumber="63">Fig. 9O</figureCitation>
). Pygidium with terminal anus and 2 very small ovoid anal cirri.
</paragraph>
</subSubSection>
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<paragraph id="8BD30619E94BFFAAFF308DDB6ABDF83F" blockId="18.[186,1399,1751,2024]" pageId="18" pageNumber="62">
<emphasis id="B918DA0BE94BFFAAFF308DDB6F69F926" bold="true" box="[189,263,1751,1777]" pageId="18" pageNumber="62">Fig. 9.</emphasis>
<taxonomicName id="4C6C7D9AE94BFFAAFE8A8DDB6D40F926" authority="Lu &amp; Fauchald, 2000" authorityName="Lu &amp; Fauchald" authorityYear="2000" box="[263,814,1751,1778]" class="Polychaeta" family="Dorvilleidae" genus="Ophryotrocha" kingdom="Animalia" order="Eunicida" pageId="18" pageNumber="62" phylum="Annelida" rank="species" species="lipscombae">
<emphasis id="B918DA0BE94BFFAAFE8A8DDB6C58F926" box="[263,566,1751,1777]" italics="true" pageId="18" pageNumber="62">Ophryotrocha lipscombae</emphasis>
<bibRefCitation id="EFFD7BE8E94BFFAAFDB08DD46D40F926" author="Lu H. &amp; Fauchald K." box="[573,814,1751,1778]" pageId="18" pageNumber="62" pagination="486 - 492" refId="ref20190" refString="Lu H. &amp; Fauchald K. 2000. Ophryotrocha lipscombae, a new species and a possible connection between ctenognath and labidognath-prionognath eunicean worms (Polychaeta). Proceedings of the Biological Society of Washington 113 (2): 486 - 492. Available from http: // www. biodiversitylibrary. org / item / 109909 # page / 498 / mode / 1 up [accessed 11 Feb. 2021]." type="journal article" year="2000">Lu &amp;Fauchald, 2000</bibRefCitation>
</taxonomicName>
(DBUA0002285.01). Stereo (A–B) and compound (C–O) microscope images.
<emphasis id="B918DA0BE94BFFAAFD8C8DF66C78F8C3" bold="true" box="[513,534,1786,1812]" pageId="18" pageNumber="62">A</emphasis>
. Complete specimen, dorsal view.
<emphasis id="B918DA0BE94BFFAAFC3E8DF66DA8F8C3" bold="true" box="[947,966,1786,1812]" pageId="18" pageNumber="62">B</emphasis>
. Prostomium of a smaller specimen, ventral view.
<emphasis id="B918DA0BE94BFFAAFEEF8C116F1BF8E0" bold="true" box="[354,373,1821,1847]" pageId="18" pageNumber="62">C</emphasis>
. Mandibular and maxillary apparatus, ventral view.
<emphasis id="B918DA0BE94BFFAAFC618C126A4FF8EF" bold="true" box="[1004,1057,1822,1848]" pageId="18" pageNumber="62">D–E</emphasis>
. Anterior tip of mandible of larger specimens.
<emphasis id="B918DA0BE94BFFAAFE1B8C4D6FC8F88C" bold="true" box="[406,422,1857,1883]" pageId="18" pageNumber="62">F</emphasis>
. Maxillary carrier, forceps and basal denticles, dorsal view.
<emphasis id="B918DA0BE94BFFAAFBF58C4C6ADDF88D" bold="true" box="[1144,1203,1856,1882]" pageId="18" pageNumber="62">G–H</emphasis>
. Maxillarydistal denticles and accessory plates from right and left sides, respectively.
<emphasis id="B918DA0BE94BFFAAFB808C686A76F8A9" bold="true" box="[1037,1048,1892,1918]" pageId="18" pageNumber="62">I</emphasis>
. Anterior tip of mandible of smaller specimen.
<emphasis id="B918DA0BE94BFFAAFE118C8B6FC7F876" bold="true" box="[412,425,1927,1953]" pageId="18" pageNumber="62">J</emphasis>
. Maxillary forceps and basal denticles, dorsal view.
<emphasis id="B918DA0BE94BFFAAFB918C8B6A3AF876" bold="true" box="[1052,1108,1927,1953]" pageId="18" pageNumber="62">K–L</emphasis>
. Supra-acicular chaetae, mid-body parapodium.
<emphasis id="B918DA0BE94BFFAAFE418CA66F86F813" bold="true" box="[460,488,1962,1988]" pageId="18" pageNumber="62">M</emphasis>
. Sub-acicular hook, mid-body parapodium.
<emphasis id="B918DA0BE94BFFAAFC658CA66D93F813" bold="true" box="[1000,1021,1962,1988]" pageId="18" pageNumber="62">N</emphasis>
. Anterior parapodium, posterior view.
<emphasis id="B918DA0BE94BFFAAFE8E8CC16F74F830" bold="true" box="[259,282,1997,2023]" pageId="18" pageNumber="62">O</emphasis>
. Sub-acicular chaetae, mid-body parapodium. Number 1 refers to free denticle 1.
</paragraph>
</caption>
<subSubSection id="C3765592E94AFFABFF308AF76A89FA9A" pageId="19" pageNumber="63" type="discussion">
<paragraph id="8BD30619E94AFFABFF308AF76F41FDC2" blockId="19.[189,303,507,533]" box="[189,303,507,533]" pageId="19" pageNumber="63">
<heading id="D09BB175E94AFFABFF308AF76F41FDC2" bold="true" box="[189,303,507,533]" fontSize="11" level="3" pageId="19" pageNumber="63" reason="3">
<emphasis id="B918DA0BE94AFFABFF308AF76F41FDC2" bold="true" box="[189,303,507,533]" pageId="19" pageNumber="63">Remarks</emphasis>
</heading>
</paragraph>
<paragraph id="8BD30619E94AFFABFF3089266A89FA9A" blockId="19.[188,1401,554,1357]" pageId="19" pageNumber="63">
<taxonomicName id="4C6C7D9AE94AFFABFF3089266F85FD93" authorityName="Lu &amp; Fauchald" authorityYear="2000" box="[189,491,554,580]" class="Polychaeta" family="Dorvilleidae" genus="Ophryotrocha" kingdom="Animalia" order="Eunicida" pageId="19" pageNumber="63" phylum="Annelida" rank="species" species="lipscombae">
<emphasis id="B918DA0BE94AFFABFF3089266F85FD93" box="[189,491,554,580]" italics="true" pageId="19" pageNumber="63">Ophryotrocha lipscombae</emphasis>
</taxonomicName>
is only known from its original description based on specimens collected from Woods Hole (NW Atlantic) at a depth of
<quantity id="4C94ABFCE94AFFABFD2A89416D6FFDB0" box="[679,769,589,615]" metricMagnitude="3" metricUnit="m" metricValue="1.83" pageId="19" pageNumber="63" unit="m" value="1830.0">1830 m</quantity>
(
<bibRefCitation id="EFFD7BE8E94AFFABFC9F89416A62FDB0" author="Lu H. &amp; Fauchald K." box="[786,1036,589,615]" pageId="19" pageNumber="63" pagination="486 - 492" refId="ref20190" refString="Lu H. &amp; Fauchald K. 2000. Ophryotrocha lipscombae, a new species and a possible connection between ctenognath and labidognath-prionognath eunicean worms (Polychaeta). Proceedings of the Biological Society of Washington 113 (2): 486 - 492. Available from http: // www. biodiversitylibrary. org / item / 109909 # page / 498 / mode / 1 up [accessed 11 Feb. 2021]." type="journal article" year="2000">Lu &amp; Fauchald 2000</bibRefCitation>
). This species is considered to be unique among the dorvilleids based on the presence of five pairs of accessory plates associated with the denticles of the maxillae (
<bibRefCitation id="EFFD7BE8E94AFFABFD9B89986D61FD79" author="Lu H. &amp; Fauchald K." box="[534,783,659,686]" pageId="19" pageNumber="63" pagination="486 - 492" refId="ref20190" refString="Lu H. &amp; Fauchald K. 2000. Ophryotrocha lipscombae, a new species and a possible connection between ctenognath and labidognath-prionognath eunicean worms (Polychaeta). Proceedings of the Biological Society of Washington 113 (2): 486 - 492. Available from http: // www. biodiversitylibrary. org / item / 109909 # page / 498 / mode / 1 up [accessed 11 Feb. 2021]." type="journal article" year="2000">Lu &amp; Fauchald 2000</bibRefCitation>
). Other distinctive characteristics are the presence of teeth below the main fang of the maxillary forceps and the clear fusion between the prostomium and the peristomium. All these characteristics are present in the specimens from the
<collectingRegion id="49A8C8FBE94AFFABFBC789D66AB3FD23" box="[1098,1245,730,756]" country="Spain" name="Extremadura" pageId="19" pageNumber="63">Estremadura</collectingRegion>
Spur (WIM, NE Atlantic) and the single specimen from Mercator MV (GoC, NE Atlantic) examined in this study. The minor differences registered for the specimens from the NW Atlantic concern features that may have been overlooked or misinterpreted, such as: the absence of distal teeth on the mandibulae of larger specimens, which may be worn (in our specimens these teeth are mostly worn and the ones that are present are difficult to detect); the absence of prostomial palps (in our specimens the antennae and palps are tiny and could only be detected under the optical microscope); the absence of dorsal cirri on parapodia (in our specimens the dorsal cirri appear almost entirely fused with the acicular lobes and thus are difficult to distinguish (
<figureCitation id="13571A9CE94AFFABFEE188F86FA4FBD8" box="[364,458,1012,1039]" captionStart="Fig" captionStartId="18.[189,232,1751,1777]" captionTargetBox="[311,1277,265,1726]" captionTargetId="figure-121@18.[311,1277,265,1727]" captionTargetPageId="18" captionText="Fig. 9.Ophryotrocha lipscombae Lu &amp;Fauchald, 2000 (DBUA0002285.01). Stereo (A–B) and compound (C–O) microscope images. A. Complete specimen, dorsal view. B. Prostomium of a smaller specimen, ventral view. C. Mandibular and maxillary apparatus, ventral view. D–E. Anterior tip of mandible of larger specimens. F. Maxillary carrier, forceps and basal denticles, dorsal view. G–H. Maxillarydistal denticles and accessory plates from right and left sides, respectively. I. Anterior tip of mandible of smaller specimen. J. Maxillary forceps and basal denticles, dorsal view. K–L. Supra-acicular chaetae, mid-body parapodium.M. Sub-acicular hook, mid-body parapodium. N. Anterior parapodium, posterior view. O. Sub-acicular chaetae, mid-body parapodium. Number 1 refers to free denticle 1." figureDoi="http://doi.org/10.5281/zenodo.4570222" httpUri="https://zenodo.org/record/4570222/files/figure.png" pageId="19" pageNumber="63">Fig. 9N</figureCitation>
); figure 1d of the original description illustrates a similar structure); and the tips of the supra- and sub-acicular chaetae, which in our specimens are more abruptly tapered into a distinct main fang (only visible under high magnification). The phylogenetic analysis segregates this species from the others within the tree (
<figureCitation id="13571A9CE94AFFABFDB98F526C13FBAE" box="[564,637,1118,1145]" captionStart="Fig" captionStartId="5.[189,232,1749,1775]" captionTargetId="figure-1@6.[189,1398,265,1989]" captionTargetPageId="6" captionText="Fig. 2 (next page). Majority rule consensus tree from the Bayesian analyses of a combined dataset with two genes (16S and H3). Posterior probability values near nodes result from the analyses in MrBayes. Taxon names highlighted in bold are new species or new sequences for already described species. Habitat specialization indicated by the text ‘VENT’ for hydrothermal vents, ‘SEEP’ for cold seeps, ‘BONE’ for whale/mammal-falls, ‘WOOD’ and ‘ALFALFA’ for wood- and alfalfa-falls, and ‘FISHFARM’ for the organically-enriched sediments beneath fish farms. Brown bars at the base of a clade indicate a specialization to a chemosynthesis-based ecosystem. Green and blue dots indicate depth distributions shallower and deeper than 200 m, respectively." figureDoi="http://doi.org/10.5281/zenodo.4570210" httpUri="https://zenodo.org/record/4570210/files/figure.png" pageId="19" pageNumber="63">Fig. 2</figureCitation>
). The two sequenced specimens were from WIM, the K2P value from the H3 alignment between the two specimens is 0.00 and the K2P values to the nearest species in the tree,
<taxonomicName id="4C6C7D9AE94AFFABFEAA8FA96FD7FB68" authorityName="Akesson" authorityYear="1973" box="[295,441,1189,1215]" class="Polychaeta" family="Dorvilleidae" genus="Ophryotrocha" kingdom="Animalia" order="Eunicida" pageId="19" pageNumber="63" phylum="Annelida" rank="species" species="maculata">
<emphasis id="B918DA0BE94AFFABFEAA8FA96FD7FB68" box="[295,441,1189,1215]" italics="true" pageId="19" pageNumber="63">O. maculata</emphasis>
</taxonomicName>
and
<taxonomicName id="4C6C7D9AE94AFFABFE758FA96CF9FB68" authorityName="Huth" authorityYear="1933" box="[504,663,1189,1215]" class="Polychaeta" family="Dorvilleidae" genus="Ophryotrocha" kingdom="Animalia" order="Eunicida" pageId="19" pageNumber="63" phylum="Annelida" rank="species" species="hartmanni">
<emphasis id="B918DA0BE94AFFABFE758FA96CF9FB68" box="[504,663,1189,1215]" italics="true" pageId="19" pageNumber="63">O. hartmanni</emphasis>
</taxonomicName>
, is 0.09. However, there are no DNA sequences for the West Atlantic
<taxonomicName id="4C6C7D9AE94AFFABFEAC8FC56FA6FB35" authorityName="Lu &amp; Fauchald" authorityYear="2000" box="[289,456,1224,1251]" class="Polychaeta" family="Dorvilleidae" genus="Ophryotrocha" kingdom="Animalia" order="Eunicida" pageId="19" pageNumber="63" phylum="Annelida" rank="species" species="lipscombae">
<emphasis id="B918DA0BE94AFFABFEAC8FC56FA6FB35" box="[289,456,1224,1251]" italics="true" pageId="19" pageNumber="63">O. lipscombae</emphasis>
</taxonomicName>
specimens to compare with. Furthermore, it was not possible to examine the
<typeStatus id="54D7B8BBE94AFFABFAC88FC56B19FB34" box="[1349,1399,1225,1251]" pageId="19" pageNumber="63">type</typeStatus>
material that is deposited in the Smithsonian National Museum of Natural History. If the similarity at the morphological and molecular level is confirmed, then this study extends the geographic and upper limit of the bathymetric distribution of
<taxonomicName id="4C6C7D9AE94AFFABFDC98E3F6C82FA9B" authorityName="Lu &amp; Fauchald" authorityYear="2000" box="[580,748,1330,1357]" class="Polychaeta" family="Dorvilleidae" genus="Ophryotrocha" kingdom="Animalia" order="Eunicida" pageId="19" pageNumber="63" phylum="Annelida" rank="species" species="lipscombae">
<emphasis id="B918DA0BE94AFFABFDC98E3F6C82FA9B" box="[580,748,1330,1357]" italics="true" pageId="19" pageNumber="63">O. lipscombae</emphasis>
</taxonomicName>
to the NE Atlantic and to a depth of
<specimenCount id="9D6ACD90E94AFFABFB1B8E3E6A89FA9A" box="[1174,1255,1330,1357]" pageId="19" pageNumber="63" type="generic">
<quantity id="4C94ABFCE94AFFABFB1B8E3E6A8DFA9A" box="[1174,1251,1330,1357]" metricMagnitude="2" metricUnit="m" metricValue="3.27" pageId="19" pageNumber="63" unit="m" value="327.0">327 m</quantity>
.
</specimenCount>
</paragraph>
</subSubSection>
<subSubSection id="C3765592E94AFFABFF308E786DC9FA36" pageId="19" pageNumber="63" type="biology_ecology">
<paragraph id="8BD30619E94AFFABFF308E786F9CFA5A" blockId="19.[189,498,1395,1422]" box="[189,498,1395,1422]" pageId="19" pageNumber="63">
<heading id="D09BB175E94AFFABFF308E786F9CFA5A" bold="true" box="[189,498,1395,1422]" fontSize="11" level="3" pageId="19" pageNumber="63" reason="3">
<emphasis id="B918DA0BE94AFFABFF308E786F9CFA5A" bold="true" box="[189,498,1395,1422]" pageId="19" pageNumber="63">Ecology and distribution</emphasis>
</heading>
</paragraph>
<paragraph id="8BD30619E94AFFABFF308EAF6DC9FA36" blockId="19.[186,1399,1442,1505]" pageId="19" pageNumber="63">
NE Atlantic specimens: from the
<collectingRegion id="49A8C8FBE94AFFABFDB58EAE6CA2FA6B" box="[568,716,1442,1468]" country="Spain" name="Extremadura" pageId="19" pageNumber="63">Estremadura</collectingRegion>
Spur (West Iberian Margin) to the Gulf of Cadiz (Moroccan Margin) in wood substrata, at
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depth (present study).
</paragraph>
</subSubSection>
<subSubSection id="C3765592E94AFFABFF308D0B6C43F992" pageId="19" pageNumber="63" type="distribution">
<paragraph id="8BD30619E94AFFABFF308D0B6C43F992" blockId="19.[189,1398,1543,1605]" pageId="19" pageNumber="63">
Original distribution of
<taxonomicName id="4C6C7D9AE94AFFABFE578D046CABF9F5" authority=": NW" authorityName="NW" box="[474,709,1543,1570]" class="Polychaeta" family="Dorvilleidae" genus="Ophryotrocha" kingdom="Animalia" order="Eunicida" pageId="19" pageNumber="63" phylum="Annelida" rank="species" species="lipscombae">
<emphasis id="B918DA0BE94AFFABFE578D046CEAF9F6" box="[474,644,1543,1570]" italics="true" pageId="19" pageNumber="63">O. lipscombae</emphasis>
: NW
</taxonomicName>
Atlantic, south of Woods Hole, in sediment, at a depth of
<quantity id="4C94ABFCE94AFFABFF338D276F79F992" box="[190,279,1579,1605]" metricMagnitude="3" metricUnit="m" metricValue="1.83" pageId="19" pageNumber="63" unit="m" value="1830.0">1830 m</quantity>
(
<bibRefCitation id="EFFD7BE8E94AFFABFEAA8D276C4FF992" author="Lu H. &amp; Fauchald K." box="[295,545,1578,1605]" pageId="19" pageNumber="63" pagination="486 - 492" refId="ref20190" refString="Lu H. &amp; Fauchald K. 2000. Ophryotrocha lipscombae, a new species and a possible connection between ctenognath and labidognath-prionognath eunicean worms (Polychaeta). Proceedings of the Biological Society of Washington 113 (2): 486 - 492. Available from http: // www. biodiversitylibrary. org / item / 109909 # page / 498 / mode / 1 up [accessed 11 Feb. 2021]." type="journal article" year="2000">Lu &amp; Fauchald 2000</bibRefCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>
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