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<document ID-CLB-Dataset="55554" ID-DOI="http://dx.doi.org/10.3897/zookeys.1099.76479" ID-GBIF-Dataset="5aac74a0-6137-49b8-bb46-3a39b99b3e7c" ID-PMC="PMC9848918" ID-Pensoft-Pub="1313-2970-1099-155" ID-Pensoft-UUID="2D995654666955B2B228852B9EA78EAC" ID-PubMed="36761443" ID-ZooBank="A963E7C7F1BF4BF2BB4FA0CD5D319691" ModsDocID="1313-2970-1099-155" checkinTime="1652359792651" checkinUser="pensoft" docAuthor="Nethupul, Hasitha, Stoehr, Sabine &amp; Zhang, Haibin" docDate="2022" docId="CD697DAC90985A5BB752B5DF4EAB5A5E" docLanguage="en" docName="ZooKeys 1099: 155-202" docOrigin="ZooKeys 1099" docPubDate="2022-05-11" docSource="http://dx.doi.org/10.3897/zookeys.1099.76479" docTitle="Ophioplinthaca brachispina Nethupul &amp; Stöhr &amp; Zhang 2022, sp. nov." docType="treatment" docUuid="B225308A-59B8-431C-B9AF-1E4F729878D2" docUuidSource="ZooBank" docVersion="5" id="2D995654666955B2B228852B9EA78EAC" lastPageNumber="155" masterDocId="2D995654666955B2B228852B9EA78EAC" masterDocTitle="Review of Ophioplinthaca Verrill, 1899 (Echinodermata, Ophiuroidea, Ophiacanthidae), description of new species in Ophioplinthaca and Ophiophthalmus, and new records from the Northwest Pacific and the South China Sea" masterLastPageNumber="202" masterPageNumber="155" pageNumber="155" updateTime="1732748171981" updateUser="ExternalLinkService">
<mods:mods id="DE34BA52EC7E3138AECC1E966C12157E" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="B74C5C9D1609EAD27753F6DC9A10435A">
<mods:title id="FCDEFBA271C2A9BA02ECA52098A37AEB">Review of Ophioplinthaca Verrill, 1899 (Echinodermata, Ophiuroidea, Ophiacanthidae), description of new species in Ophioplinthaca and Ophiophthalmus, and new records from the Northwest Pacific and the South China Sea</mods:title>
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<mods:name id="07C4AB78B50B2BA75BB5DB81FFF27F89" type="personal">
<mods:role id="3FAAECECA057E48ABD7D5FD59B5990DB">
<mods:roleTerm id="2EB384602257C47B29A5118F46E998A8">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="4D2FAABDAF3B96B1A814E7E82EE03AA8">Nethupul, Hasitha</mods:namePart>
<mods:affiliation id="0F945BBA6E70F6D9F0B3564E79C9FF60">Institute of Deep-sea Science and Engineering, Chinese Academy of Sciences, CAS, 57200 Sanya, China &amp; University of Chinese Academy of Sciences, Beijing 100039, China</mods:affiliation>
</mods:name>
<mods:name id="152DE40EEFB66B5E90DF982A1822383E" type="personal">
<mods:role id="F235D94DAE82AC93C0C3A0732EA50866">
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</mods:role>
<mods:namePart id="6C579FBAF5AAE66865F606A499FFECBF">Stoehr, Sabine</mods:namePart>
<mods:nameIdentifier id="7DBB8649F3005BA78A79B1BB52C4F489" type="ORCID">https://orcid.org/0000-0002-2586-7239</mods:nameIdentifier>
<mods:affiliation id="2DCC1E265E5461FE2B509F7D1060A29C">Swedish Museum of Natural History, Dept of Zoology, Box 50007, 10405 Stockholm, Sweden</mods:affiliation>
</mods:name>
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<mods:role id="5820611774C4F432DD2DA001574EDBC2">
<mods:roleTerm id="BA8CC94A985C24F3D07475B2409FACF1">Author</mods:roleTerm>
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<mods:namePart id="4AC0178793C354BA846E3D8466ABB68D">Zhang, Haibin</mods:namePart>
<mods:nameIdentifier id="458A19353CE3994A75A175D2CE47586D" type="ORCID">https://orcid.org/0000-0001-5429-9851</mods:nameIdentifier>
<mods:affiliation id="0CA9412B0471581C937118007B77EE7E">Institute of Deep-sea Science and Engineering, Chinese Academy of Sciences, CAS, 57200 Sanya, China</mods:affiliation>
<mods:nameIdentifier id="57C5F1A848B41E480F6FBEA20F341875" type="email">hzhang@idsse.ac.cn</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource id="BC9B3AECF233D4F97DCF31ED9CF0996C">text</mods:typeOfResource>
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<mods:title id="96297FA935BA88F98D5127F31051D45B">ZooKeys</mods:title>
</mods:titleInfo>
<mods:part id="2F1BAABEAAB3D73E3ACA2F549DD1521A">
<mods:date id="66E92CCC970F691B4B91FB3954161EB9">2022</mods:date>
<mods:detail id="E6E227CE793A06A75AF69ABBC2C56995" type="pubDate">
<mods:number id="95CE490FD0E908890D18BA4C5F2C3FA9">2022-05-11</mods:number>
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<mods:number id="000A4B44A0516207091C624056856DC7">1099</mods:number>
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<mods:classification id="FCEB663BFFA0C1349DBB94672FDCF12E">journal article</mods:classification>
<mods:identifier id="EBB8578065F879FF65C7A3BE68CC4F19" type="DOI">http://dx.doi.org/10.3897/zookeys.1099.76479</mods:identifier>
<mods:identifier id="79DD8ABA3191425005A45F0A2756D331" type="Pensoft-Pub">1313-2970-1099-155</mods:identifier>
<mods:identifier id="D561B94194824FD7E53B929B0154CC48" type="ZooBank">A963E7C7F1BF4BF2BB4FA0CD5D319691</mods:identifier>
<mods:identifier id="0F626F082217C8CE1674F569C3663B7A" type="Pensoft-UUID">2D995654666955B2B228852B9EA78EAC</mods:identifier>
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<treatment id="CD697DAC90985A5BB752B5DF4EAB5A5E" ID-GBIF-Taxon="195302536" LSID="urn:lsid:zoobank.org:act:B225308A-59B8-431C-B9AF-1E4F729878D2" httpUri="http://treatment.plazi.org/id/CD697DAC90985A5BB752B5DF4EAB5A5E" lastPageNumber="155" pageId="0" pageNumber="155" scope_class="Ophiuroidea" scope_family="Ophiacanthidae" scope_phylum="Echinodermata">
<subSubSection id="58551A218B4A57592EAAB0B1CB2F7F98" pageId="0" pageNumber="155" type="nomenclature">
<paragraph id="EF9B722320B3192845B64D03755714E6" pageId="0" pageNumber="155">
<taxonomicName id="C2F71DD6383268946DCDED42C7DB198F" LSID="http://zoobank.org/B225308A-59B8-431C-B9AF-1E4F729878D2" authority="Nethupul &amp; Stöhr &amp; Zhang, 2022" authorityName="Nethupul &amp; Stöhr &amp; Zhang" authorityYear="2022" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca brachispina" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="brachispina" status="sp. nov.">Ophioplinthaca brachispina</taxonomicName>
<taxonomicNameLabel id="7956B023769A9161885085866F77976A" pageId="0" pageNumber="155">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="855C926574C2ED41860A68BBB35FE269" pageId="0" pageNumber="155" type="description">
<paragraph id="42478710AD38F9F0531265FB77A6E145" pageId="0" pageNumber="155">
<figureCitation id="5EBCE0BB20C5F3E9D6EBE501E01F4434" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">Figs 3</figureCitation>
<figureCitation id="FF7173FA7337544E9E7BB0C2E80B890D" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Ophioplinthaca brachispina sp. nov., paratype (IDSSE-EEB-SW 0107) A, B lateral arm plate C dorsal arm spine D ventral arm spine E disc spine F dorsal arm plate G-K vertebrae G proximal view H distal view I ventral view, J dorsal view, K lateral view. Abbreviations: d dorsal, de depression, dist distal, dl dorsal lobe, lac lateral ambulacral canals, mo muscle opening, no nerve opening, pb podial basin, prox proximal, ri ridge, th thorns, v ventral, vl ventral lobe. Scale bars: 800 µm (A, C, F-G, I-K); 500 µm (B, E, H); 100 µm (D)." figureDoi="10.3897/zookeys.1099.76479.figure4" httpUri="https://binary.pensoft.net/fig/682265" pageId="0" pageNumber="155">, 4</figureCitation>
<figureCitation id="E67EAE9E0376B4632920F34820337E2E" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Ophioplinthaca brachispina sp. nov., paratype (IDSSE-EEB-SW 0107) A dorsal arm B ventral arm C lateral arm D lateral arm plate (small thorns on the lateral arm plate surface shown in the orange rectangle). Abbreviations: dap dorsal arm plate, das dorsal arm spine, lap lateral arm plate, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 1 mm (A-C); 200 µm (D)." figureDoi="10.3897/zookeys.1099.76479.figure5" httpUri="https://binary.pensoft.net/fig/682266" pageId="0" pageNumber="155">, 5</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="DC78DBA2B8E64AE6BAE71E8FD1308C66" pageId="0" pageNumber="155" type="materials_examined">
<paragraph id="9BA5808E3620328FA74F72DFB6F9EADA" pageId="0" pageNumber="155">Material examined.</paragraph>
<paragraph id="FF53407675A0BF24C437A41386FB698E" pageId="0" pageNumber="155">
<materialsCitation id="C7F8EA6FDC415EEC2D9CED593ACFD8EF" accessionNumber="OK043829" collectingDate="2019-10-23" country="Guam Island" county="Southwest" elevation="2713" latitude="11.818167" location="Northwest Pacific" longLatPrecision="13" longitude="140.1155" municipality="Mariana Trench" specimenCount="1" typeStatus="Holotype">
<emphasis id="852423F5A8CBDD5FA56372B280F857B6" bold="true" pageId="0" pageNumber="155">
<emphasis id="BA58D859EB6C0E9391436D35645CD5FA" italics="true" pageId="0" pageNumber="155">
<typeStatus id="3B495F62AE29C504C1EE7CA0FF6D6BAE">Holotype</typeStatus>
</emphasis>
.
</emphasis>
<location id="A290BFCA13791D7C32ED18860C6B35A1" LSID="urn:lsid:plazi:treatment:CD697DAC90985A5BB752B5DF4EAB5A5E:A290BFCA13791D7C32ED18860C6B35A1" country="Guam Island" county="Southwest" latitude="11.818167" longLatPrecision="13" longitude="140.1155" municipality="Mariana Trench" name="Northwest Pacific">Northwest Pacific</location>
<specimenCount id="D7220F76E052F4865A5B8A0218A6730B" type="generic">1 specimen</specimenCount>
; near
<collectingMunicipality id="72CF87DA9BE540879C08622691FC8974">Mariana Trench</collectingMunicipality>
,
<collectingCounty id="11C758B1699675F64754D5C2C42F4FFE">Southwest</collectingCounty>
of
<collectingCountry id="5A8E1DAD4358976469D8B6C3DEBAFED6" name="Guam Island">Guam Island</collectingCountry>
, seamount;
<geoCoordinate id="03F5D3C24752F6B417EA373FFD833246" degrees="11" direction="north" minutes="49.09" orientation="latitude" precision="9" value="11.818167">11°49.09'N</geoCoordinate>
,
<geoCoordinate id="55B7A8B7F4536DBC39189CF7EFCDE3F2" degrees="140" direction="east" minutes="6.93" orientation="longitude" precision="9" value="140.1155">140°6.93'E</geoCoordinate>
; depth
<quantity id="F26A3E02887FA3FF1C2D2E652A7EE23E" metricMagnitude="3" metricUnit="m" metricValue="2.713" unit="m" value="2713.0">
<elevation id="9DF44C1D08244D718334B0EC14668925" metricMagnitude="3" metricUnit="m" metricValue="2.713" unit="m" value="2713.0">2713 m</elevation>
</quantity>
;
<collectingDate id="CD3043BBE5C6C04A8E2B9D5D0FA79614" value="2019-10-23">23 October 2019</collectingDate>
; Collecting event: stn. SC039; Shenhaiyongshi msv leg; preserved in -80 °C; GenBank:
<accessionNumber id="5E8B06A849BEC5533096CB8B14B13698" httpUri="http://www.ncbi.nlm.nih.gov/nucleotide/OK043829">OK043829</accessionNumber>
; IDSSE-EEB-SW0106
</materialsCitation>
.
<materialsCitation id="956D4AFE2236DCF0928190E1F423613E" accessionNumber="OK043830" collectingDate="2022-01-01" collectingDateMax="2022-12-31" collectingDateMin="2022-01-01" country="Guam Island" county="Southwest" elevation="2713" latitude="11.818167" location="Northwest Pacific" longLatPrecision="13" longitude="140.1155" municipality="Mariana Trench" specimenCount="1" typeStatus="Paratype">
<emphasis id="634D7090D27BE1FEA0072DFCBFBB7DC9" bold="true" pageId="0" pageNumber="155">
<emphasis id="DBD8BA3AF41FD8CEA662A1AB8BD87243" italics="true" pageId="0" pageNumber="155">
<typeStatus id="A1FCEF4065DC3BCB6F3EAFB54D216697">Paratype</typeStatus>
</emphasis>
.
</emphasis>
Northwest Pacific •
<specimenCount id="1B6600D69D0EFE67932049F96B1FC9BD" type="generic">1 specimen</specimenCount>
; same data as for holotype; GenBank:
<accessionNumber id="D353B6C58BD02B1E09C431B0FED28AB6" httpUri="http://www.ncbi.nlm.nih.gov/nucleotide/OK043830">OK043830</accessionNumber>
; IDSSE-EEB-SW0107
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="1613E101ECF7DE8AB4BB91A17CC4278B" pageId="0" pageNumber="155" type="diagnosis">
<paragraph id="89117BD8DDD2332471B3A279BB54EF07" pageId="0" pageNumber="155">Diagnosis.</paragraph>
<paragraph id="BB070B1667A50507C3EFCB7DE445A698" pageId="0" pageNumber="155">
Disc sub-circular and deeply incised interradially to nearly 1/4 disc radius (Fig.
<figureCitation id="CCB2F673E21852810B1DB8FAD63DD903" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3A</figureCitation>
). Disc scales irregular, variable in size, bearing disc spines in center of disc (Fig.
<figureCitation id="A6159540E455D895CC928AE56F1D44E0" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3C</figureCitation>
). Radial shields completely separated by large single disc scale (Fig.
<figureCitation id="2FCB6B6E0577927D695B005BD999F077" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3G</figureCitation>
). Oral shield as wide as long, pentagonal with pointed proximal end, curved lateral margins along adoral shields, truncated distal edge with straight to slightly angular lateral margins (Fig.
<figureCitation id="6382D4244B32A57B86EFD2E471458D4C" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3H</figureCitation>
). Surface of arm plates along entire arm rough with small spines (Fig.
<figureCitation id="0560E8E03690B4B70EF0BEA510A5D245" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3K-M</figureCitation>
).
</paragraph>
<caption id="EF195715DC046AFB41F0902AE85033F1" doi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155" start="Figure 3" startId="F3">
<paragraph id="87689268BFD981540D9F76D7D1E79F95" pageId="0" pageNumber="155">
<emphasis id="94E4A826574BDD75E56D3CF53D8C76A8" bold="true" pageId="0" pageNumber="155">Figure 3.</emphasis>
<taxonomicName id="51FF93016BB4C4950933E7B07F63CA8C" authorityName="Nethupul &amp; Stöhr &amp; Zhang" authorityYear="2022" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca brachispina" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="brachispina">
<emphasis id="3C2F2636E9B3F82B0D429158EB5C5EA8" italics="true" pageId="0" pageNumber="155">Ophioplinthaca brachispina</emphasis>
</taxonomicName>
sp. nov., holotype (IDSSE-EEB-SW0106)
<emphasis id="BA1289E92A19E526622E4CC3E03A394F" bold="true" pageId="0" pageNumber="155">A</emphasis>
dorsal disc
<emphasis id="19FF77423D53869C3905B2AD1C958E60" bold="true" pageId="0" pageNumber="155">B</emphasis>
ventral disc
<emphasis id="163896C5B066BB210D3B766B5582972D" bold="true" pageId="0" pageNumber="155">C</emphasis>
center of the disc
<emphasis id="48609D5BA034B2BCCEFD0E2731DC8626" bold="true" pageId="0" pageNumber="155">D-F</emphasis>
disc spines
<emphasis id="B1AE416673DD4596E82A86FB6154D914" bold="true" pageId="0" pageNumber="155">G</emphasis>
radial shield
<emphasis id="DE09B69B13B64681C81EB7B6A5381ED4" bold="true" pageId="0" pageNumber="155">H</emphasis>
<normalizedToken id="F50CE0FABC2BB77750720D875CF09A1D" originalValue="оral">oral</normalizedToken>
frame
<emphasis id="A256D8BC177BBD655189DCA3831AF32E" bold="true" pageId="0" pageNumber="155">I</emphasis>
ventral side of the arm base
<emphasis id="748E6209B65BA9094797C33C3B99F76E" bold="true" pageId="0" pageNumber="155">J</emphasis>
dorsal side of the arm base
<emphasis id="E365A05C3CBC881992B6E6E2ECBFF2B8" bold="true" pageId="0" pageNumber="155">K</emphasis>
dorsal arm
<emphasis id="E286BA30ACCB517818BD21F87CBAF14A" bold="true" pageId="0" pageNumber="155">L</emphasis>
ventral arm
<emphasis id="77B7BB24F829B42DEF4BE11906D42E1C" bold="true" pageId="0" pageNumber="155">M</emphasis>
lateral arm. Abbreviations:
<emphasis id="D4634DABF26C6F7FE294182809FBCE8C" bold="true" pageId="0" pageNumber="155">ars</emphasis>
arm spine,
<emphasis id="0E5E3DF9B52B5416A60093818546FC16" bold="true" pageId="0" pageNumber="155">as</emphasis>
adoral shield,
<emphasis id="79EEA062AFC507298747A1918436B431" bold="true" pageId="0" pageNumber="155">ass</emphasis>
adoral shield spine,
<emphasis id="1E5ABBB6063DF11527FA7B8359ABBADF" bold="true" pageId="0" pageNumber="155">dap</emphasis>
dorsal arm plate,
<emphasis id="DD8AA65D33B3D8EC949445E9EDC17892" bold="true" pageId="0" pageNumber="155">das</emphasis>
dorsal arm spine,
<emphasis id="AE90DB301E6F8EC80B94FC7310223055" bold="true" pageId="0" pageNumber="155">dp</emphasis>
disc plate,
<emphasis id="BA15E94AEC7CAEFEEA2F1E28B56EE778" bold="true" pageId="0" pageNumber="155">gs</emphasis>
genital slit,
<emphasis id="3EF1C86DF140F87E7F9C79B463C78C29" bold="true" pageId="0" pageNumber="155">j</emphasis>
jaw,
<emphasis id="E48F4998FDA9E8EDFB160BB9D7AF64A9" bold="true" pageId="0" pageNumber="155">lap</emphasis>
lateral arm plate,
<emphasis id="87CE91F535C0515644017B3D17B99518" bold="true" pageId="0" pageNumber="155">m</emphasis>
madreporite,
<emphasis id="9E708C414FC15E7B4EDD6295C2C49601" bold="true" pageId="0" pageNumber="155">os</emphasis>
oral shield,
<emphasis id="046EC34BCA17201A6CF53D8061B8CA1F" bold="true" pageId="0" pageNumber="155">rs</emphasis>
radial shield,
<emphasis id="65A9263336CEF2BD27E88738EB04FE08" bold="true" pageId="0" pageNumber="155">ts</emphasis>
tentacle scale,
<emphasis id="7DCCCD8734574FE275874DB8735480B5" bold="true" pageId="0" pageNumber="155">vap</emphasis>
ventral arm plate,
<emphasis id="1767F65E0CBC7086739F41843C35B012" bold="true" pageId="0" pageNumber="155">vas</emphasis>
ventral arm spine. Scale bars: 2 mm (
<emphasis id="0A8D0F193D9DDE7D66AB139CEEB0490F" bold="true" pageId="0" pageNumber="155">A, B</emphasis>
); 1 mm (
<emphasis id="7A7FDF675C888908698FC584D4FA86E0" bold="true" pageId="0" pageNumber="155">C, G-M</emphasis>
); 200
<normalizedToken id="48163D7135EA735A719594755E71A71E" originalValue="µm">µm</normalizedToken>
(
<emphasis id="392D8BABE492319A17BE697153DA2160" bold="true" pageId="0" pageNumber="155">D-F</emphasis>
).
</paragraph>
</caption>
</subSubSection>
<subSubSection id="869771FA7B450DC57E8AB312B95586C6" pageId="0" pageNumber="155" type="description">
<paragraph id="595BA52B24374BB6CD74A384B3BA4123" pageId="0" pageNumber="155">Holotype description.</paragraph>
<paragraph id="FCF818CCABF6BEBE90AF8D62693B5454" pageId="0" pageNumber="155">
Disc diameter 12 mm, arm base width 3 mm (Fig.
<figureCitation id="198D66F44C0959CEBC42A808358C8564" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3</figureCitation>
).
</paragraph>
<paragraph id="282177312B3B45E7716C6B728843E884" pageId="0" pageNumber="155">
<emphasis id="EDC43420E67652D9333BF8563BF9C712" bold="true" pageId="0" pageNumber="155">
<emphasis id="D702EB62BFD038E23277E25D035DEB68" italics="true" pageId="0" pageNumber="155">Disc</emphasis>
.
</emphasis>
Disc sub-circular and deeply incised interradially to more than 1/3 disc diameter, creating five wedge-shaped lobes over each arm base in contrast to sunken center and interradii of disc (Fig.
<figureCitation id="F488E9FE6AA9A1FE745CCC9536BBA451" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3A, B</figureCitation>
). Disc scales irregular, variable in size, compact, and overlapping in center of disc (Fig.
<figureCitation id="E8F36564ACE439F8DAB36A9061A95E68" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3C</figureCitation>
). Most central disc scales bear disc spines/stumps (Fig. D-F). Disc scales increasingly enlarged from disc center to periphery, interradially and between radial shields (Fig.
<figureCitation id="4F18C7A536AA14967F50A2BC6DDD85D1" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3D-F</figureCitation>
). Disc spines in disc center 0.2 to 0.3 mm high, cylindrical to conical, pointed thorny or bifurcated tip. Disc spines at distal end of wedge-shaped lobes 0.1-0.2 mm high, conical, thorny, with pointed tip (Fig.
<figureCitation id="FF5B038E233F915F680DC0E82D5C7EF2" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3D-F</figureCitation>
). Radial shields large, naked, roughly triangular, ~ 1/3 disc diameter in length, twice as long as wide, triangular proximal end, and smooth, truncated or slightly convex distal end. Radial shields on three of five lobes proximally separated, but distal ends connected. Radial shields on other two lobes completely separated by large single disc scale (Fig.
<figureCitation id="21C9ABB68ECE84ED53ABE2085386E92C" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3A, G</figureCitation>
). Ventral disc covered by smaller scales than those on radial shields, and overlapped without bearing spines (Fig.
<figureCitation id="2A1025BC8E41D7B8435304AFA1B50ABE" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3B</figureCitation>
). Genital slits conspicuous and extending from oral shield to periphery of disc (Fig.
<figureCitation id="B19C79379F80FAC96F9073C729623945" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3H</figureCitation>
). Oral shield as wide as long, pentagonal with pointed proximal end, curved lateral margins along adoral shields, truncated distal edge with straight to slightly angular lateral margins (Fig.
<figureCitation id="A360E81D59B38ADA8AF393810B144E8E" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3H</figureCitation>
). Madreporite similar to other oral shields, but with hydropore at lateral edge (Fig.
<figureCitation id="540DB49BBE5D3AB58FD2728F0693BDA8" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3B</figureCitation>
). Adoral shield 2.5
<normalizedToken id="568E9DDC61FF25E648CD6BF4E3EACB8A" originalValue="×">x</normalizedToken>
as long as wide, with straight or slightly curved lateral margin, but near first ventral arm plate straight, and pair of shields proximally connected (Fig.
<figureCitation id="F0DC36AC0D6CA5E4D9B8E4118610A870" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3H</figureCitation>
). Adoral shields enclose proximal edges of oral shield, and slightly separate oral shield from arm by connecting to lateral arm plate of first arm segment (Fig.
<figureCitation id="260DA9E6679DFD0EF68A50D78B4469F7" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3H, I</figureCitation>
). Jaw triangular, large, and longer than wide, bearing one slightly blunt, wide, and large ventralmost tooth and three or four spiniform lateral oral papillae (Fig.
<figureCitation id="FDCEEA47DBC695836E75E0D50ABA668E" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3H</figureCitation>
). Proximalmost one or two lateral oral papillae spine-like pointed, rugose, and distalmost lateral oral papillae with shorter and rounded base with more or less pointed tip (Fig.
<figureCitation id="BF35ACFDB4DE45D6BD1C17F3CEC59651" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3H</figureCitation>
). One adoral shield spine, situated at lateral margin of adoral shield in mouth angle, slightly similar to distalmost lateral oral papilla, but with blunt tip (Fig.
<figureCitation id="0466A071FFF02190D9A98394F0DB2B77" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3I</figureCitation>
). Cluster of small granules visible between distal end of jaw and proximal end of first ventral arm plate (Fig.
<figureCitation id="562D45144A34964EF6B1A0775540E9C5" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3I</figureCitation>
). Usually, cluster of granules covered by adoral shield spine (Fig.
<figureCitation id="5A973EB0890B24E59611B2DC5A5840F0" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3H</figureCitation>
).
</paragraph>
<paragraph id="0B485441F697F14CA82BE4FC19FEFFC2" pageId="0" pageNumber="155">
<emphasis id="77B052966F232C773135A25530A5824E" bold="true" pageId="0" pageNumber="155">
<emphasis id="4E4F8C3984A2EB5ADA81D046FB479192" italics="true" pageId="0" pageNumber="155">Arms</emphasis>
.
</emphasis>
Five moniliform arms with rough plates. Dorsal arm plates longer than wide, slightly separated, straight to slightly convex distal end, triangular proximal end, with curved lateral margins on first few proximal arm segments, but as long as wide, fan-shaped, and widely separated on middle to distal half of arm (Fig.
<figureCitation id="C7A2BF6A0EF256BBE8E23700A246C74B" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3J, K</figureCitation>
). Dorsal arm plate with dense rough surface and short spines (Fig.
<figureCitation id="9484C12578A53F9B4C9F27D414D02CD5" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3K, M</figureCitation>
). First ventral arm plate rectangular to slightly trapezoid, as wide as long, straight proximal end, and distal end without rough surface (Fig.
<figureCitation id="20FD6A7669820C49E29E30534D6CF866" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3I</figureCitation>
). Second ventral arm plate trapezoid to slightly pentagonal, as wide as long, triangular proximal end, straight distal end, concave and diverging lateral edges, and contiguous with first ventral arm plate (Fig.
<figureCitation id="D3DCEBA7B909A27189AB73D1D5BEBFFC" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3I</figureCitation>
). The following ventral arm plates two or three times as wide as long, with obtuse proximal end, slightly wavy proximolateral margins, curved lateral angles, straight distal end, and widely separated (Fig.
<figureCitation id="F29ED6F9C49B6AC2620B173E84A335C3" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3L</figureCitation>
). All ventral arm plates except first one with dense rough surface (Fig.
<figureCitation id="7864EAFC5E13CAE768C40568DF3E85D5" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3I, L</figureCitation>
). Lateral arm plates meeting above and below, with dense rough surface and short spines (Fig.
<figureCitation id="7E16E2BD89087B02A34134115A91B994" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3K-M</figureCitation>
). Up to five arm spines (Fig.
<figureCitation id="C8E3584725EAEBDF3B3C7C7CF8B2190A" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3M</figureCitation>
). Three or two dorsal arm spines, three arm segments in length, thorny, lateral margins with row of tall sharp thorns, apex truncated or bluntly rounded (Fig.
<figureCitation id="B3C214517BB38B893E1D0C4861CF5EFE" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3K-M</figureCitation>
). Two ventral arm spines, one to two arm segments in length, pointed, thorny, rugose. Proximal arm segments bear five arm spines, distalwards decreasing to four beyond middle section of the arm (Fig.
<figureCitation id="EFABFBF949FC16042E376DC9A672B8B3" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3K-M</figureCitation>
). First tentacle pore covered by two oval, rough tentacle scales (Fig.
<figureCitation id="85972BE9AE8B4839378129384DD2F689" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3I</figureCitation>
). The following tentacle pore covered by scale half as long as ventral arm plate, blunt to pointed tip with thorny surface (Fig.
<figureCitation id="1C9EB661B2BA3B83A4CB0A60301A06E1" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3L</figureCitation>
). Tentacle scales on middle to distal half of arm decreasing in size, small, more pointed, leaf-like, with thorns.
</paragraph>
<paragraph id="C5A2E7DDC64E6845258728A6E1E7D110" pageId="0" pageNumber="155">
<emphasis id="756CEC66C69DCE848F91E9912379CA35" bold="true" pageId="0" pageNumber="155">
<emphasis id="E53A2DD072150B750BAF5839DB492A3B" italics="true" pageId="0" pageNumber="155">Color</emphasis>
.
</emphasis>
In live specimen, orange-brown disc, and arm spines, but arms pale brown (Fig.
<figureCitation id="C8FEC9595186336906A2562FA1087B74" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="29EE097C31C11FA1D3F95CD8C33F5B73" pageId="0" pageNumber="155" type="ossicle morphology of paratype">
<paragraph id="3B1AE6F141727FD1AB14C042FEFDA827" pageId="0" pageNumber="155">Ossicle morphology of paratype.</paragraph>
<paragraph id="2D1D321DC83A677A89F8A6ECD6600061" pageId="0" pageNumber="155">
Arm spine articulations well developed and placed at slight angle to distal edge of lateral arm plate (Fig.
<figureCitation id="5D372C7235813F5B94E434148FEA7337" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Ophioplinthaca brachispina sp. nov., paratype (IDSSE-EEB-SW 0107) A, B lateral arm plate C dorsal arm spine D ventral arm spine E disc spine F dorsal arm plate G-K vertebrae G proximal view H distal view I ventral view, J dorsal view, K lateral view. Abbreviations: d dorsal, de depression, dist distal, dl dorsal lobe, lac lateral ambulacral canals, mo muscle opening, no nerve opening, pb podial basin, prox proximal, ri ridge, th thorns, v ventral, vl ventral lobe. Scale bars: 800 µm (A, C, F-G, I-K); 500 µm (B, E, H); 100 µm (D)." figureDoi="10.3897/zookeys.1099.76479.figure4" httpUri="https://binary.pensoft.net/fig/682265" pageId="0" pageNumber="155">4A</figureCitation>
). Volute-shaped perforated lobe forms dorsal and distal part of articulation, but reduced in dorsalmost one (Fig.
<figureCitation id="BB470787F67CFB91BCD5B47B6DD875F4" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Ophioplinthaca brachispina sp. nov., paratype (IDSSE-EEB-SW 0107) A, B lateral arm plate C dorsal arm spine D ventral arm spine E disc spine F dorsal arm plate G-K vertebrae G proximal view H distal view I ventral view, J dorsal view, K lateral view. Abbreviations: d dorsal, de depression, dist distal, dl dorsal lobe, lac lateral ambulacral canals, mo muscle opening, no nerve opening, pb podial basin, prox proximal, ri ridge, th thorns, v ventral, vl ventral lobe. Scale bars: 800 µm (A, C, F-G, I-K); 500 µm (B, E, H); 100 µm (D)." figureDoi="10.3897/zookeys.1099.76479.figure4" httpUri="https://binary.pensoft.net/fig/682265" pageId="0" pageNumber="155">4A</figureCitation>
). Arm spine articulating structures with large muscle opening and small nerve opening in second articulation, decreasing significantly in size ventralwards (Fig.
<figureCitation id="698AF5E71C513737D254F7AA99FCBC91" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Ophioplinthaca brachispina sp. nov., holotype (IDSSE-EEB-SW 0106) A dorsal disc B ventral disc C center of the disc D-F disc spines G radial shield H oral frame I ventral side of the arm base J dorsal side of the arm base K dorsal arm L ventral arm M lateral arm. Abbreviations: ars arm spine, as adoral shield, ass adoral shield spine, dap dorsal arm plate, das dorsal arm spine, dp disc plate, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (A, B); 1 mm (C, G-M); 200 µm (D-F)." figureDoi="10.3897/zookeys.1099.76479.figure3" httpUri="https://binary.pensoft.net/fig/682264" pageId="0" pageNumber="155">3A</figureCitation>
). Ventral half of lateral arm plate surface covered by conspicuous thorns, inner side with depression, a continuous ridge, and a prominent knob close to ventral edge forming vertebral articulations, shaped like a broad, nose-shaped beak (Fig.
<figureCitation id="681137D75C7B5EA1AD4B623797D05CDE" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Ophioplinthaca brachispina sp. nov., paratype (IDSSE-EEB-SW 0107) A, B lateral arm plate C dorsal arm spine D ventral arm spine E disc spine F dorsal arm plate G-K vertebrae G proximal view H distal view I ventral view, J dorsal view, K lateral view. Abbreviations: d dorsal, de depression, dist distal, dl dorsal lobe, lac lateral ambulacral canals, mo muscle opening, no nerve opening, pb podial basin, prox proximal, ri ridge, th thorns, v ventral, vl ventral lobe. Scale bars: 800 µm (A, C, F-G, I-K); 500 µm (B, E, H); 100 µm (D)." figureDoi="10.3897/zookeys.1099.76479.figure4" httpUri="https://binary.pensoft.net/fig/682265" pageId="0" pageNumber="155">4A, B</figureCitation>
). Dorsal arm spine laterally compressed, thorny, and several longitudinal rows of perforations with widely spaced tall thorns (Fig.
<figureCitation id="9545D4935EAA616FBDBEAF97CBC0B8D0" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Ophioplinthaca brachispina sp. nov., paratype (IDSSE-EEB-SW 0107) A, B lateral arm plate C dorsal arm spine D ventral arm spine E disc spine F dorsal arm plate G-K vertebrae G proximal view H distal view I ventral view, J dorsal view, K lateral view. Abbreviations: d dorsal, de depression, dist distal, dl dorsal lobe, lac lateral ambulacral canals, mo muscle opening, no nerve opening, pb podial basin, prox proximal, ri ridge, th thorns, v ventral, vl ventral lobe. Scale bars: 800 µm (A, C, F-G, I-K); 500 µm (B, E, H); 100 µm (D)." figureDoi="10.3897/zookeys.1099.76479.figure4" httpUri="https://binary.pensoft.net/fig/682265" pageId="0" pageNumber="155">4C</figureCitation>
). Entire ventral arm spine surface covered with slightly longer thorns, with blunt apex (Fig.
<figureCitation id="6BFF7ED19CE07E242C94CC65CBE008A8" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Ophioplinthaca brachispina sp. nov., paratype (IDSSE-EEB-SW 0107) A, B lateral arm plate C dorsal arm spine D ventral arm spine E disc spine F dorsal arm plate G-K vertebrae G proximal view H distal view I ventral view, J dorsal view, K lateral view. Abbreviations: d dorsal, de depression, dist distal, dl dorsal lobe, lac lateral ambulacral canals, mo muscle opening, no nerve opening, pb podial basin, prox proximal, ri ridge, th thorns, v ventral, vl ventral lobe. Scale bars: 800 µm (A, C, F-G, I-K); 500 µm (B, E, H); 100 µm (D)." figureDoi="10.3897/zookeys.1099.76479.figure4" httpUri="https://binary.pensoft.net/fig/682265" pageId="0" pageNumber="155">4D</figureCitation>
). Disc spines 0.2-0.3 mm high, cylindrical, pointed thorny or bifurcated tip (Fig.
<figureCitation id="AF047977538498FCAEDEAC42BB8701E6" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Ophioplinthaca brachispina sp. nov., paratype (IDSSE-EEB-SW 0107) A, B lateral arm plate C dorsal arm spine D ventral arm spine E disc spine F dorsal arm plate G-K vertebrae G proximal view H distal view I ventral view, J dorsal view, K lateral view. Abbreviations: d dorsal, de depression, dist distal, dl dorsal lobe, lac lateral ambulacral canals, mo muscle opening, no nerve opening, pb podial basin, prox proximal, ri ridge, th thorns, v ventral, vl ventral lobe. Scale bars: 800 µm (A, C, F-G, I-K); 500 µm (B, E, H); 100 µm (D)." figureDoi="10.3897/zookeys.1099.76479.figure4" httpUri="https://binary.pensoft.net/fig/682265" pageId="0" pageNumber="155">4E</figureCitation>
). Dorsal arm plate triangular, as long as wide, with rugose surface (Fig.
<figureCitation id="A0DF2FDD20953824514780AEE8980436" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Ophioplinthaca brachispina sp. nov., paratype (IDSSE-EEB-SW 0107) A, B lateral arm plate C dorsal arm spine D ventral arm spine E disc spine F dorsal arm plate G-K vertebrae G proximal view H distal view I ventral view, J dorsal view, K lateral view. Abbreviations: d dorsal, de depression, dist distal, dl dorsal lobe, lac lateral ambulacral canals, mo muscle opening, no nerve opening, pb podial basin, prox proximal, ri ridge, th thorns, v ventral, vl ventral lobe. Scale bars: 800 µm (A, C, F-G, I-K); 500 µm (B, E, H); 100 µm (D)." figureDoi="10.3897/zookeys.1099.76479.figure4" httpUri="https://binary.pensoft.net/fig/682265" pageId="0" pageNumber="155">4F</figureCitation>
). Vertebrae with streptospondylous articulating structures, short, broad podial basin at proximal end and narrow small distal end (Fig.
<figureCitation id="7E7A9B06FA5BAF9CCC8B407E3E5869CB" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Ophioplinthaca brachispina sp. nov., paratype (IDSSE-EEB-SW 0107) A, B lateral arm plate C dorsal arm spine D ventral arm spine E disc spine F dorsal arm plate G-K vertebrae G proximal view H distal view I ventral view, J dorsal view, K lateral view. Abbreviations: d dorsal, de depression, dist distal, dl dorsal lobe, lac lateral ambulacral canals, mo muscle opening, no nerve opening, pb podial basin, prox proximal, ri ridge, th thorns, v ventral, vl ventral lobe. Scale bars: 800 µm (A, C, F-G, I-K); 500 µm (B, E, H); 100 µm (D)." figureDoi="10.3897/zookeys.1099.76479.figure4" httpUri="https://binary.pensoft.net/fig/682265" pageId="0" pageNumber="155">4G-K</figureCitation>
). Dorsal end of vertebrae distally triangular and proximally flattened with longitudinal groove along midline (Fig.
<figureCitation id="B1EA7BA817223F57673101CFE72514DE" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Ophioplinthaca brachispina sp. nov., paratype (IDSSE-EEB-SW 0107) A, B lateral arm plate C dorsal arm spine D ventral arm spine E disc spine F dorsal arm plate G-K vertebrae G proximal view H distal view I ventral view, J dorsal view, K lateral view. Abbreviations: d dorsal, de depression, dist distal, dl dorsal lobe, lac lateral ambulacral canals, mo muscle opening, no nerve opening, pb podial basin, prox proximal, ri ridge, th thorns, v ventral, vl ventral lobe. Scale bars: 800 µm (A, C, F-G, I-K); 500 µm (B, E, H); 100 µm (D)." figureDoi="10.3897/zookeys.1099.76479.figure4" httpUri="https://binary.pensoft.net/fig/682265" pageId="0" pageNumber="155">4J</figureCitation>
). Ventral side of vertebrae with broad ambulacral groove (Fig.
<figureCitation id="9A48E6F638DFE66E03E64295A3781836" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Ophioplinthaca brachispina sp. nov., paratype (IDSSE-EEB-SW 0107) A, B lateral arm plate C dorsal arm spine D ventral arm spine E disc spine F dorsal arm plate G-K vertebrae G proximal view H distal view I ventral view, J dorsal view, K lateral view. Abbreviations: d dorsal, de depression, dist distal, dl dorsal lobe, lac lateral ambulacral canals, mo muscle opening, no nerve opening, pb podial basin, prox proximal, ri ridge, th thorns, v ventral, vl ventral lobe. Scale bars: 800 µm (A, C, F-G, I-K); 500 µm (B, E, H); 100 µm (D)." figureDoi="10.3897/zookeys.1099.76479.figure4" httpUri="https://binary.pensoft.net/fig/682265" pageId="0" pageNumber="155">4I-K</figureCitation>
).
</paragraph>
<caption id="A909513A18EC024D6A0018AF2187BC4B" doi="10.3897/zookeys.1099.76479.figure4" httpUri="https://binary.pensoft.net/fig/682265" pageId="0" pageNumber="155" start="Figure 4" startId="F4">
<paragraph id="D497A26D90E57676BF1FDE33F1F864FD" pageId="0" pageNumber="155">
<emphasis id="9F2483DCD01B1BE54397DA6ECB96BF10" bold="true" pageId="0" pageNumber="155">Figure 4.</emphasis>
<taxonomicName id="D1D43DA72DBB5E91F78CF09BB26A024F" authorityName="Nethupul &amp; Stöhr &amp; Zhang" authorityYear="2022" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca brachispina" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="brachispina">
<emphasis id="429A511FC3E174F78CEEF19E022EDB61" italics="true" pageId="0" pageNumber="155">Ophioplinthaca brachispina</emphasis>
</taxonomicName>
sp. nov., paratype (IDSSE-EEB-SW0107)
<emphasis id="BCCD3957F6C7162E797226295544FA4B" bold="true" pageId="0" pageNumber="155">A, B</emphasis>
lateral arm plate
<emphasis id="850ECD07A9B8904739AE754D779EFF3D" bold="true" pageId="0" pageNumber="155">C</emphasis>
dorsal arm spine
<emphasis id="158DE0F123815189D2788B72737E027F" bold="true" pageId="0" pageNumber="155">D</emphasis>
ventral arm spine
<emphasis id="15240810110641A82B77567C5C2511D3" bold="true" pageId="0" pageNumber="155">E</emphasis>
disc spine
<emphasis id="DD4B29EDD8AAF0EA05903F3C29510F08" bold="true" pageId="0" pageNumber="155">F</emphasis>
dorsal arm plate
<emphasis id="31DB19F24D262F99470097E8DD724B3D" bold="true" pageId="0" pageNumber="155">G-K</emphasis>
vertebrae
<emphasis id="7A1A65E2A77F9C4659244763CB1F5EAB" bold="true" pageId="0" pageNumber="155">G</emphasis>
proximal view
<emphasis id="24AC8736B5A3AF71101D970EE6FE5AB1" bold="true" pageId="0" pageNumber="155">H</emphasis>
distal view
<emphasis id="C721995D84994B55AFB5236EC09BB815" bold="true" pageId="0" pageNumber="155">I</emphasis>
ventral view,
<emphasis id="1940352E0E531F04E43911E1D1EDEFA5" bold="true" pageId="0" pageNumber="155">J</emphasis>
dorsal view,
<emphasis id="234317F79C823C10F11DD81F527D7FB1" bold="true" pageId="0" pageNumber="155">K</emphasis>
lateral view. Abbreviations:
<emphasis id="D59CCB06A3001660EAB51462A06E3D0B" bold="true" pageId="0" pageNumber="155">d</emphasis>
dorsal,
<emphasis id="C8079693CDB0C5F98B452F559ED73285" bold="true" pageId="0" pageNumber="155">de</emphasis>
depression,
<emphasis id="0CF9A96BDEE9CAD51739C3261E39FE12" bold="true" pageId="0" pageNumber="155">dist</emphasis>
distal,
<emphasis id="DDAA84BCC4C8C31BCF520D6A80F78F11" bold="true" pageId="0" pageNumber="155">dl</emphasis>
dorsal lobe,
<emphasis id="625669E3FD0A7C3BA2FC03B1531C6561" bold="true" pageId="0" pageNumber="155">lac</emphasis>
lateral ambulacral canals,
<emphasis id="016CBE2BF83887D83043FCDF79DFF535" bold="true" pageId="0" pageNumber="155">mo</emphasis>
muscle opening,
<emphasis id="6FC016C1AE4B057EA1F843C2F49D9FE2" bold="true" pageId="0" pageNumber="155">no</emphasis>
nerve opening,
<emphasis id="330CE56D0026A279A8075177E650C612" bold="true" pageId="0" pageNumber="155">pb</emphasis>
podial basin,
<emphasis id="67428CBDD271E971991BE07FC3ADD40A" bold="true" pageId="0" pageNumber="155">prox</emphasis>
proximal,
<emphasis id="5E7DF8B307B8DB7DC7FF83B60F6CCCFE" bold="true" pageId="0" pageNumber="155">ri</emphasis>
ridge,
<emphasis id="229BB734A0EE74E13A67EE7E0376C6A4" bold="true" pageId="0" pageNumber="155">th</emphasis>
thorns,
<emphasis id="F6CBF1BC54A12FAF3A01A5C2E2E9FA6D" bold="true" pageId="0" pageNumber="155">v</emphasis>
ventral,
<emphasis id="B696980CDE83CEEEAC0A63C076378E26" bold="true" pageId="0" pageNumber="155">vl</emphasis>
ventral lobe. Scale bars: 800
<normalizedToken id="5E4637D47697C33B61FA768808380D82" originalValue="µm">µm</normalizedToken>
(
<emphasis id="573381EF2217BD08B6BF12A65FD5F9E7" bold="true" pageId="0" pageNumber="155">A, C, F-G, I-K</emphasis>
); 500
<normalizedToken id="97D41C5B8BAD5C0C03E385A70EEBF817" originalValue="µm">µm</normalizedToken>
(
<emphasis id="DF254C36FCB110A8FF62E4818D33FD86" bold="true" pageId="0" pageNumber="155">B, E, H</emphasis>
); 100
<normalizedToken id="D7E644BDD2B1AB18D0A69820967D4286" originalValue="µm">µm</normalizedToken>
(
<emphasis id="DF773B8F4C08DB43B6B0B8FD04F96C02" bold="true" pageId="0" pageNumber="155">D</emphasis>
).
</paragraph>
</caption>
</subSubSection>
<subSubSection id="D9237DDA4007BCEEBD00B3F9B8BEAF92" pageId="0" pageNumber="155" type="paratype variations">
<paragraph id="005BB91A87B4D9486266A1FCCDC2CD57" pageId="0" pageNumber="155">Paratype variations.</paragraph>
<paragraph id="7ED6F5274A3B3194AA9589F5054EDBCE" pageId="0" pageNumber="155">
One specimen from same location as holotype, but badly damaged due to rough handling. Therefore, only small disc part with arms present. Possibly smaller than holotype according to size of arms (arm base width 1.5-2 mm). Arm characters similar to holotype, but spines slightly thinner, and denser compared to holotype (Fig.
<figureCitation id="AD5C93C5268E184E875895E78AC9538A" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Ophioplinthaca brachispina sp. nov., paratype (IDSSE-EEB-SW 0107) A dorsal arm B ventral arm C lateral arm D lateral arm plate (small thorns on the lateral arm plate surface shown in the orange rectangle). Abbreviations: dap dorsal arm plate, das dorsal arm spine, lap lateral arm plate, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 1 mm (A-C); 200 µm (D)." figureDoi="10.3897/zookeys.1099.76479.figure5" httpUri="https://binary.pensoft.net/fig/682266" pageId="0" pageNumber="155">5A-D</figureCitation>
).
</paragraph>
<caption id="E89D3A27A07C7DC99622FEE5A2EA4946" doi="10.3897/zookeys.1099.76479.figure5" httpUri="https://binary.pensoft.net/fig/682266" pageId="0" pageNumber="155" start="Figure 5" startId="F5">
<paragraph id="BC1C38C1A519EACD2FDA4E6072AF5DD7" pageId="0" pageNumber="155">
<emphasis id="AF506ED92B4FB1D3FF68FBA7B2439846" bold="true" pageId="0" pageNumber="155">Figure 5.</emphasis>
<taxonomicName id="0BE2EFEA6BFF0FDCE886290339581C1D" authorityName="Nethupul &amp; Stöhr &amp; Zhang" authorityYear="2022" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca brachispina" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="brachispina">
<emphasis id="5E05F7F862637513EF396B3789EEB249" italics="true" pageId="0" pageNumber="155">Ophioplinthaca brachispina</emphasis>
</taxonomicName>
sp. nov., paratype (IDSSE-EEB-SW0107)
<emphasis id="ECCC893C1851648B0ABEEC773B81E2C0" bold="true" pageId="0" pageNumber="155">A</emphasis>
dorsal arm
<emphasis id="BBCE441839050D2D456C8DE22964001D" bold="true" pageId="0" pageNumber="155">B</emphasis>
ventral arm
<emphasis id="DBAE4FE032BCF0DB5DF671EB0C6E7785" bold="true" pageId="0" pageNumber="155">C</emphasis>
lateral arm
<emphasis id="D2A7370DA5E8F8F228B6E2F8D2AD003B" bold="true" pageId="0" pageNumber="155">D</emphasis>
lateral arm plate (small thorns on the lateral arm plate surface shown in the orange rectangle). Abbreviations:
<emphasis id="20630BE2AD5338F9ABA3CBECED5C6A5F" bold="true" pageId="0" pageNumber="155">dap</emphasis>
dorsal arm plate,
<emphasis id="3AFA459E815AE86E96DA2F1A05524816" bold="true" pageId="0" pageNumber="155">das</emphasis>
dorsal arm spine,
<emphasis id="60802D60DDD11CD899D2AF48E80A4762" bold="true" pageId="0" pageNumber="155">lap</emphasis>
lateral arm plate,
<emphasis id="922B0BFC6FBE0C1FF0E6EE16E9FF33EE" bold="true" pageId="0" pageNumber="155">ts</emphasis>
tentacle scale,
<emphasis id="E55A703F5930CF7F9220CD7318508C35" bold="true" pageId="0" pageNumber="155">vap</emphasis>
ventral arm plate,
<emphasis id="D60B936E8AE597B3936BF3FF18F2D1B8" bold="true" pageId="0" pageNumber="155">vas</emphasis>
ventral arm spine. Scale bars: 1 mm (
<emphasis id="6D8A17F34C800314BF9B4E7C85D74038" bold="true" pageId="0" pageNumber="155">A-C</emphasis>
); 200
<normalizedToken id="ADCC221FA10D6742C6885C73E649039C" originalValue="µm">µm</normalizedToken>
(
<emphasis id="DF591C8ACD77CED8D2F4AAB3E4DD6423" bold="true" pageId="0" pageNumber="155">D</emphasis>
).
</paragraph>
</caption>
</subSubSection>
<subSubSection id="B5AFE46602166CAC8314F2661B641CA6" pageId="0" pageNumber="155" type="distribution">
<paragraph id="C5FD230F61251E4B4974FF4461DDF21F" pageId="0" pageNumber="155">Distribution.</paragraph>
<paragraph id="ED605105501218DCE2E47AE548B94DC7" pageId="0" pageNumber="155">2713 m depth, Northwest Pacific, near Mariana trench, Southwest of Guam Island.</paragraph>
</subSubSection>
<subSubSection id="03F24C5F2CBCDA2B99A9C04C55830BEF" pageId="0" pageNumber="155" type="etymology">
<paragraph id="8D53EEEFED324A0FBB2D3E7E1C0A161A" pageId="0" pageNumber="155">Etymology.</paragraph>
<paragraph id="6BE931A73F037A930D6D6E1A7CF12EBB" pageId="0" pageNumber="155">
Species name derived from a combination of two Latin words,
<emphasis id="43B3EB49E8FFD9A5B383060EE001DC8C" italics="true" pageId="0" pageNumber="155">brachium</emphasis>
(arm),
<emphasis id="489C369FF3716F78B404BDCED60E6F9F" italics="true" pageId="0" pageNumber="155">spina</emphasis>
(spine) referring to the unique rough arm surface with spines.
</paragraph>
</subSubSection>
<subSubSection id="EBB612B8C44B54CB3F1495B28B5D6EAE" pageId="0" pageNumber="155" type="remarks">
<paragraph id="39D5DDFAEDB5E4C6E5585052D8C9574C" pageId="0" pageNumber="155">Remarks.</paragraph>
<paragraph id="C557E2FAE7054E232C3D82148F217FF3" pageId="0" pageNumber="155">
Deep interradial incisions into the disc, which are lined distally by enlarged disc scales are the main delimiting character of the genus
<taxonomicName id="62537BA8705D9D268896331DD058AEEB" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="genus">
<emphasis id="A42B4C6E49120FC94F295E39CD761720" italics="true" pageId="0" pageNumber="155">Ophioplinthaca</emphasis>
</taxonomicName>
from other genera within the family
<taxonomicName id="FD4E7F1A9E438454DE713508DA6C998B" authorityName="Ljungman" authorityYear="1867" class="Ophiuroidea" family="Ophiacanthidae" kingdom="Animalia" lsidName="" order="Ophiacanthida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="family">Ophiacanthidae</taxonomicName>
.
<taxonomicName id="9A022E0495EA95255055CB2037C46167" authorityName="Nethupul &amp; Stöhr &amp; Zhang" authorityYear="2022" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca brachispina" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="brachispina">
<emphasis id="3035346F4932F71E10CF38DD9712C972" italics="true" pageId="0" pageNumber="155">Ophioplinthaca brachispina</emphasis>
</taxonomicName>
sp. nov. showed similar morphological characters to many other
<taxonomicName id="09F51F6EA4EA108503E717AEBD1C8D67" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="genus">
<emphasis id="6A87654719FB4BF83752D8F844F8B3B1" italics="true" pageId="0" pageNumber="155">Ophioplinthaca</emphasis>
</taxonomicName>
species. However,
<taxonomicName id="32171BBB7AEC1CD50654973912063F98" lsidName="O. brachispina" pageId="0" pageNumber="155" rank="species" species="brachispina">
<emphasis id="664F853CD65E3DCFD8CED12F37DF91D4" italics="true" pageId="0" pageNumber="155">O. brachispina</emphasis>
</taxonomicName>
sp. nov. can easily be distinguished from congeners by the rough thorny surface on the arm plates and additionally by the number of arm spines, disc spines, and tentacle scale (Table
<tableCitation id="2C7E9067316B75ECF80D96B417B1D655" captionStart="Table 3" captionStartId="T3" captionText="Table 3. Tabular key to all species of the genus Ophioplinthaca. Abbreviations: ASE arm segment, ASS Adoral shield spine, DAP dorsal arm plate, DAS dorsal arm spines, L length, LOP lateral oral papillae, VAP ventral arm plate, VAS ventral arm spines, VMT ventralmost tooth, W width." httpUri="http://table.plazi.org/id/9F85B69899787A840F669B2BD815C383" pageId="0" pageNumber="155" tableUuid="9F85B69899787A840F669B2BD815C383">3</tableCitation>
).
<taxonomicName id="4B22CEA1A6D3A9120F64E2825AAC041C" authorityName="Nethupul &amp; Stöhr &amp; Zhang" authorityYear="2022" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca brachispina" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="brachispina">
<emphasis id="75E91B64FFD5B64053D8241946FFB644" italics="true" pageId="0" pageNumber="155">Ophioplinthaca brachispina</emphasis>
</taxonomicName>
sp. nov. is the only
<taxonomicName id="F5D4370AB6EA53D49E4B151AF36A4091" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="genus">
<emphasis id="C2B837AEBBBD94C7BFD6509920ADB3B5" italics="true" pageId="0" pageNumber="155">Ophioplinthaca</emphasis>
</taxonomicName>
species with a rough surface with thorns on the whole arm.
</paragraph>
<caption id="9F85B69899787A840F669B2BD815C383" ID-Table-UUID="9F85B69899787A840F669B2BD815C383" httpUri="http://table.plazi.org/id/9F85B69899787A840F669B2BD815C383" pageId="0" pageNumber="155" start="Table 3" startId="T3">
<paragraph id="A67EFB84C901EAA88EE9039FA00DB187" pageId="0" pageNumber="155">
<emphasis id="0C70EC83C1BAF96F9F6CE08AEDF64CCF" bold="true" pageId="0" pageNumber="155">Table 3.</emphasis>
Tabular key to all species of the genus
<taxonomicName id="497E5E98AF4FA7945A4CACEBED7E433F" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="genus">
<emphasis id="40AE7763D5967911803DFFE99A291418" italics="true" pageId="0" pageNumber="155">Ophioplinthaca</emphasis>
</taxonomicName>
. Abbreviations:
<emphasis id="5CAEFB0D31626EA0581A8670B80268F7" bold="true" pageId="0" pageNumber="155">ASE</emphasis>
arm segment,
<emphasis id="085E66E6B5FBAD5A7CE62D4DE320ACB1" bold="true" pageId="0" pageNumber="155">ASS</emphasis>
Adoral shield spine,
<emphasis id="E53E35344D9243E493F5297F7F81CAC4" bold="true" pageId="0" pageNumber="155">DAP</emphasis>
dorsal arm plate,
<emphasis id="0EB3C0BA836F184ED53A63BDE5B9E99E" bold="true" pageId="0" pageNumber="155">DAS</emphasis>
dorsal arm spines,
<emphasis id="DD49EF56E4F6B462FEED793DF84895F7" bold="true" pageId="0" pageNumber="155">L</emphasis>
length,
<emphasis id="1B95681E846BC4AC453DE04133476E1E" bold="true" pageId="0" pageNumber="155">LOP</emphasis>
lateral oral papillae,
<emphasis id="A137804FA7580BF5F75A4E73C9B2FBD6" bold="true" pageId="0" pageNumber="155">VAP</emphasis>
ventral arm plate,
<emphasis id="894A0BA55FD22089D9CA93B8EB3CD541" bold="true" pageId="0" pageNumber="155">VAS</emphasis>
ventral arm spines,
<emphasis id="D8CA8AC1A155E0C6892E0E58F302F97C" bold="true" pageId="0" pageNumber="155">VMT</emphasis>
ventralmost tooth,
<emphasis id="B0B408B71B00ECE9B3E4D79B4C7281E7" bold="true" pageId="0" pageNumber="155">W</emphasis>
width.
</paragraph>
</caption>
<paragraph id="16F356F6C2489BFF9C32CA4351492D4C" pageId="0" pageNumber="155">
<table id="F85D3D1D8289D2751FD78E7F407EFE4F" pageId="0" pageNumber="155">
<tr id="F1AE9CBA6E3AD0F6E9BEA6FAA3999EAA" pageId="0" pageNumber="155">
<th id="305A07CBB67EB2662F679C75291BBE87" colspan="1" pageId="0" pageNumber="155" rowspan="1">Species</th>
<th id="795DDC625D81C291349061E9961B2FB4" colspan="1" pageId="0" pageNumber="155" rowspan="1">No. of arm spines</th>
<th id="C95A9B091D125AFE120C9FA17A27B12C" colspan="1" pageId="0" pageNumber="155" rowspan="1">Radial shields</th>
<th id="1012C2D129196BCD5892FD23648EBA4D" colspan="1" pageId="0" pageNumber="155" rowspan="1">Oral frame</th>
<th id="F2FA2384F3E39313E8FB0638F28E1DE5" colspan="1" pageId="0" pageNumber="155" rowspan="1">Tentacle scale</th>
<th id="E03BF0D4C714D1568E42A385D34DA51C" colspan="1" pageId="0" pageNumber="155" rowspan="1">Dorsal arm plate (DAP), and ventral arm plate (VAP)</th>
<th id="ED992C3940D8DBB3C36A1695F0DDD9F0" colspan="1" pageId="0" pageNumber="155" rowspan="1">Arm spine shape and length</th>
<th id="261631855E35CC8A6AB9C369DABDBD30" colspan="1" pageId="0" pageNumber="155" rowspan="1">Disc spines</th>
<th id="B851F0753C887BBCBEF47403E392F032" colspan="1" pageId="0" pageNumber="155" rowspan="1">References</th>
</tr>
<tr id="EEF2A3B7259F17C9727D2C80211CEEA7" pageId="0" pageNumber="155">
<td id="FBADA431CAEFB16EC38818A5A290514B" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="5318C70BD3FEA93E5547E04151A4D91A" authorityName="Cherbonnier &amp; Sibuet" authorityYear="1972" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca abyssalis" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="abyssalis">
<emphasis id="649F4D82CDD84B8447C9960BBEDFB65D" italics="true" pageId="0" pageNumber="155">Ophioplinthaca abyssalis</emphasis>
</taxonomicName>
Cherbonnier &amp; Sibuet, 1972
</td>
<td id="0E4C08D9411CB058363A1597E9B910BF" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 7</td>
<td id="A18BD75063B56DEA2ABF2EE741BC649B" colspan="1" pageId="0" pageNumber="155" rowspan="1">separated proximally but connected at distal ends</td>
<td id="5A50BCCE83D2AD116D34E19AA240020C" colspan="1" pageId="0" pageNumber="155" rowspan="1">4-5 LOP, spiniform, 1 VMT</td>
<td id="B46552272C8B65EDBC007784FFF58B90" colspan="1" pageId="0" pageNumber="155" rowspan="1">1st pore 2, then 1, elongated, blunt</td>
<td id="BF7F8B427A00C9031A17914CEBD5494E" colspan="1" pageId="0" pageNumber="155" rowspan="1">VAP-separated, DAP 1-3 have few spines and contiguous then separated</td>
<td id="0CB6D76E144ED8DC82E9021F7D4F9178" colspan="1" pageId="0" pageNumber="155" rowspan="1">thorny surface</td>
<td id="8AFF4CC34EC147DE48AC0B11DBD521A4" colspan="1" pageId="0" pageNumber="155" rowspan="1">long, conical</td>
<td id="0233985ACEED5EF8FB2D4A0F2B10A4DB" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<bibRefCitation id="836B235E3885F1EB90A08A7D0A39A644" author="Cherbonnier, G" journalOrPublisher="Zoologie" pageId="0" pageNumber="155" pagination="1333 - 1394" publicationUrl="https://biodiversitylibrary.org/page/56310281" refId="B4" refString="Cherbonnier, G, Sibuet, M, 1972. Resultats Scientifique de la compagne Noratlante: Asterides et Ophiures. Bulletin du Museum National d'Histoire Naturel Paris 3e serie. Zoologie 102 (76): 1333 - 1394, https://biodiversitylibrary.org/page/56310281" title="Resultats Scientifique de la compagne Noratlante: Asterides et Ophiures. Bulletin du Museum National d'Histoire Naturel Paris 3 e serie." url="https://biodiversitylibrary.org/page/56310281" volume="102" year="1972">Cherbonnier and Sibuet (1972)</bibRefCitation>
</td>
</tr>
<tr id="74BE1B315BFD6E478CFE87E5AC487CAA" pageId="0" pageNumber="155">
<td id="D5ADD12D4F66E2720FFA9D58CBFD4F40" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="361700FAD4C60EF828FC90F220246F51" authorityName="O'Hara &amp; Stoehr" authorityYear="2006" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca amezianeae" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="amezianeae">
<emphasis id="F8BE34C3AA0F7241049B4E6E63ED3066" italics="true" pageId="0" pageNumber="155">Ophioplinthaca amezianeae</emphasis>
</taxonomicName>
<normalizedToken id="BA534EDF68A7406EC2C60884CB166676" originalValue="OHara">O'Hara</normalizedToken>
&amp;
<normalizedToken id="912EE76242BF5D64735BA250520A8A10" originalValue="Stöhr">Stoehr</normalizedToken>
, 2006
</td>
<td id="5B48D463D653156BAE69619C1ACB3520" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 10</td>
<td id="B36F384DEE1575A339DDF848E5CA26C7" colspan="1" pageId="0" pageNumber="155" rowspan="1">separated, L = 2W</td>
<td id="942A3D07D6533BC7A2A6BEFB9B3884AB" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 4-5 LOP, spiniform, 1 VMT</td>
<td id="C66F00F80E87ED60CCF8161D847E974B" colspan="1" pageId="0" pageNumber="155" rowspan="1">1st pore 2-3, 2nd pore 1-2, then 1, spiniform with rounded base, tapering sharply or tip covered in irregular thorns</td>
<td id="17C8B0025D6D52636E8D77D91D2E9D2C" colspan="1" pageId="0" pageNumber="155" rowspan="1">separated</td>
<td id="534A8E3FAF104809D42DE6581C0943D4" colspan="1" pageId="0" pageNumber="155" rowspan="1">covered with conspicuous thorns</td>
<td id="A3E9686AA0572EA85B3F60193314477D" colspan="1" pageId="0" pageNumber="155" rowspan="1">long, rounded base, with spinelets on lateral surface</td>
<td id="C4739978BE8782F6BE66C02358C13CE0" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<bibRefCitation id="E0AD8330323C2B2D873EC1D5F158C4D4" author="O'Hara, TD" journalOrPublisher="Acta Oceanologica Sinica" pageId="0" pageNumber="155" publicationUrl="http://cat.inist.fr/?aModele=afficheN&amp;cpsidt=18965845" refId="B41" refString="O'Hara, TD, Stoehr, S, 2006. Deep water Ophiuroidea (Echinodermata) of New Caledonia: Ophiacanthidae and Hemieuryalidae. In: Richer de Forges B et al. (Eds) Tropical Deep-sea Benthos 24. Memoires du Museum national d'Histoire naturelle (1993), 33-141. http://cat.inist.fr/?aModele=afficheN&amp;cpsidt=18965845" title="Deep water Ophiuroidea (Echinodermata) of New Caledonia: Ophiacanthidae and Hemieuryalidae. In: Richer de Forges B et al. (Eds) Tropical Deep-sea Benthos 24. Memoires du Museum national d'Histoire naturelle (1993), 33 - 141." url="http://cat.inist.fr/?aModele=afficheN&amp;cpsidt=18965845" year="2006">
<normalizedToken id="B67D7E0222BAE95497DBE778F7613153" originalValue="OHara">O'Hara</normalizedToken>
and
<normalizedToken id="313994231FB8BFCC8CD51BCB8B4F2D99" originalValue="Stöhr">Stoehr</normalizedToken>
(2006)
</bibRefCitation>
, this study
</td>
</tr>
<tr id="32748DA926C1C0FB52B73A951D24EDAD" pageId="0" pageNumber="155">
<td id="34D28015BFE1A94018A5FDA4C516528F" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="73AE2C471DA14EBAB0570AC876C86A78" authorityName="A. H Clark" authorityYear="1949" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca athena" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="athena">
<emphasis id="BE6A4B32D97F1AF2527A48CDBCE29D25" italics="true" pageId="0" pageNumber="155">Ophioplinthaca athena</emphasis>
</taxonomicName>
A.H. Clark, 1949
</td>
<td id="78F5AC72C91776087EA28D81FC8CAB8C" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 5</td>
<td id="0D8F756E205F9EB6BDCACF9A4BAE7F7F" colspan="1" pageId="0" pageNumber="155" rowspan="1">separated proximally, connected at distal ends, L = 4W</td>
<td id="4BF3108896126CC582078EB50F5F5EF7" colspan="1" pageId="0" pageNumber="155" rowspan="1">4 LOP, pointed, flattened, larger, equal in size, 1 VMT</td>
<td id="97C5CA353D4B17A81924FB138E3C242B" colspan="1" pageId="0" pageNumber="155" rowspan="1">1st pore 2, then 1, oval, pointed, beyond 3rd pore slender spiniform</td>
<td id="9D2335FC7DFF522D8031651188818BEF" colspan="1" pageId="0" pageNumber="155" rowspan="1">VAP on 1stASE contiguous with next, then separated, DAP contiguous (terminal portion slightly separated)</td>
<td id="8AEF869BC9EF065EC3038F05776B5A4F" colspan="1" pageId="0" pageNumber="155" rowspan="1">
1stDAS smooth, 2
<normalizedToken id="BA9900AF85158E326063293924CDF9CC" originalValue="×">x</normalizedToken>
ASE length; 2ndDAS, 4
<normalizedToken id="C9A1B2808321D21019CEA5C4F74CD0A5" originalValue="×">x</normalizedToken>
ASE length; shorter thorny VAS
</td>
<td id="600A44B369BB6B6FFCC2EDF8509387C6" colspan="1" pageId="0" pageNumber="155" rowspan="1">elongated with thorny tip, at periphery with smooth tip</td>
<td id="0C7F9154F31799E5813258B115FE8A3B" colspan="1" pageId="0" pageNumber="155" rowspan="1">
A. H.
<bibRefCitation id="7EFCC7CC428D722E41936EA218D4413E" author="Clark, AH" journalOrPublisher="Bishop Museum" pageId="0" pageNumber="155" pagination="3 - 133" refId="B11" refString="Clark, AH, 1949. Ophiuroidea of the Hawaiian Islands. Bulletin of the Bernice P. Bishop Museum 195: 3 - 133" title="Ophiuroidea of the Hawaiian Islands. Bulletin of the Bernice P." volume="195" year="1949">Clark (1949)</bibRefCitation>
, this study
</td>
</tr>
<tr id="B6118092045E224E3356D2B4DA03C93A" pageId="0" pageNumber="155">
<td id="9406AD49F160D76D59F82FECE13D7D82" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="F10CB6D7E254D63B9C70F99074259D36" authorityName="Nethupul &amp; Stöhr &amp; Zhang" authorityYear="2022" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca brachispina" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="brachispina">
<emphasis id="8355C417E5F0305518C9E074B812BD79" italics="true" pageId="0" pageNumber="155">Ophioplinthaca brachispina</emphasis>
</taxonomicName>
sp. nov.
</td>
<td id="564B8FCEB4E95881004DCD443871D2CF" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 5</td>
<td id="A4EBE3CDA6C0A57FF8D7864A5BD6F111" colspan="1" pageId="0" pageNumber="155" rowspan="1">separated by large single disc scale or connect at distal ends</td>
<td id="F08F4F189303064DAF948A16FF098CF3" colspan="1" pageId="0" pageNumber="155" rowspan="1">4 LOP, pointed, distal one with wider flat edge, 1 VMT, ASS covered by cluster of granules</td>
<td id="B8A6E7DF43161733FD4A33ADC460C147" colspan="1" pageId="0" pageNumber="155" rowspan="1">1st pore 2, half as long asVAP, terminally spiniferous, oval on base of arm, then slightly pointed along arm</td>
<td id="FC5F39813F26DF3EE3F36D31504BC6D5" colspan="1" pageId="0" pageNumber="155" rowspan="1">DAP and VAP separated, thorny surface</td>
<td id="98C85ADEA8AF48AEC96B60371D4DFF37" colspan="1" pageId="0" pageNumber="155" rowspan="1">
DAS with distal lateral thorns; VAS ≈ 1-2
<normalizedToken id="998BCB746AB7F3C871788655C585A4B1" originalValue="×">x</normalizedToken>
ASE length, pointed, thorny, rugose
</td>
<td id="6ABBF25610D9D2DD7B62B80F6E16CE89" colspan="1" pageId="0" pageNumber="155" rowspan="1">bifid or thorny pointed tip, cylindrical</td>
<td id="FA4ADA6D4E88FD4A14F61704852FAECD" colspan="1" pageId="0" pageNumber="155" rowspan="1">this study</td>
</tr>
<tr id="A4D5B86F39395403C1A8A211FF03943B" pageId="0" pageNumber="155">
<td id="11F5FC79F70B359A648CD09B4826ADF0" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="92EBB4067DEE2C750490A5E17E942D9D" baseAuthorityName="H. L. Clark" baseAuthorityYear="1911" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca bythiaspis" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="bythiaspis">
<emphasis id="3EDC70C03D83635C5DE3001EAF31CAAD" italics="true" pageId="0" pageNumber="155">Ophioplinthaca bythiaspis</emphasis>
</taxonomicName>
(H. L. Clark, 1911)
</td>
<td id="913B774FB8AE33992722F6A854CE8681" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 6</td>
<td id="03BC3E969A95F210B1AE4F66791EA20D" colspan="1" pageId="0" pageNumber="155" rowspan="1">separated, L = 4W</td>
<td id="721A8C186D6BBD8ACA1587CE06728A2A" colspan="1" pageId="0" pageNumber="155" rowspan="1">4-5 LOP, equal in height, distally slightly wider, 1 VMT</td>
<td id="C75A99D53D87A1E76895EF5FABEAB0CD" colspan="1" pageId="0" pageNumber="155" rowspan="1">oval to bottle-shaped, as long asVAP</td>
<td id="F781AAD2DCB984B38A8E9ED38FE765C0" colspan="1" pageId="0" pageNumber="155" rowspan="1">VAP separated beyond 3 ASE</td>
<td id="784B8D8C503673E4A36FE5223108A774" colspan="1" pageId="0" pageNumber="155" rowspan="1">DAS smooth, VAS with thorny surface</td>
<td id="FA6D76F761FD9A3BD48202FEDBB836A5" colspan="1" pageId="0" pageNumber="155" rowspan="1">conical or more rounded with thorns at tip</td>
<td id="76B2E8842321249AA9634D77BD385B29" colspan="1" pageId="0" pageNumber="155" rowspan="1">
H. L.
<bibRefCitation id="018161FBBD8BBBE52A5F82A5026F64B0" DOI="https://doi.org/10.5962/bhl.title.32556" author="Clark, HL" journalOrPublisher="Smithsonian Institution United States National Museum Bulletin" pageId="0" pageNumber="155" pagination="1 - 302" refId="B8" refString="Clark, HL, 1911. North Pacific Ophiurans in the collection of the United States National Museum. Smithsonian Institution United States National Museum Bulletin 75: 1 - 302, DOI: https://doi.org/10.5962/bhl.title.32556" title="North Pacific Ophiurans in the collection of the United States National Museum." url="https://doi.org/10.5962/bhl.title.32556" volume="75" year="1911">Clark (1911</bibRefCitation>
,
<bibRefCitation id="DE8C361E6D135733511ED5773DEFD657" DOI="https://doi.org/10.5962/bhl.title.48598" author="Clark, HL" journalOrPublisher="Memoirs of the Museum of comparative Zoology at Harvard College" pageId="0" pageNumber="155" pagination="164 - 376" refId="B9" refString="Clark, HL, 1915. Catalogue of recent Ophiurans, based on the collection of the Museum of Comparative Zoology. Memoirs of the Museum of comparative Zoology at Harvard College 25: 164 - 376, DOI: https://doi.org/10.5962/bhl.title.48598" title="Catalogue of recent Ophiurans, based on the collection of the Museum of Comparative Zoology." url="https://doi.org/10.5962/bhl.title.48598" volume="25" year="1915">1915</bibRefCitation>
),
<bibRefCitation id="FDC0F75ED8FE12764F3EF80C85EC584B" author="O'Hara, TD" journalOrPublisher="Acta Oceanologica Sinica" pageId="0" pageNumber="155" publicationUrl="http://cat.inist.fr/?aModele=afficheN&amp;cpsidt=18965845" refId="B41" refString="O'Hara, TD, Stoehr, S, 2006. Deep water Ophiuroidea (Echinodermata) of New Caledonia: Ophiacanthidae and Hemieuryalidae. In: Richer de Forges B et al. (Eds) Tropical Deep-sea Benthos 24. Memoires du Museum national d'Histoire naturelle (1993), 33-141. http://cat.inist.fr/?aModele=afficheN&amp;cpsidt=18965845" title="Deep water Ophiuroidea (Echinodermata) of New Caledonia: Ophiacanthidae and Hemieuryalidae. In: Richer de Forges B et al. (Eds) Tropical Deep-sea Benthos 24. Memoires du Museum national d'Histoire naturelle (1993), 33 - 141." url="http://cat.inist.fr/?aModele=afficheN&amp;cpsidt=18965845" year="2006">
<normalizedToken id="D0AD273057865D83F1707FA0F8DEC508" originalValue="OHara">O'Hara</normalizedToken>
and
<normalizedToken id="9D03FED60E29D66B5A5E586A1A29A5FA" originalValue="Stöhr">Stoehr</normalizedToken>
(2006)
</bibRefCitation>
</td>
</tr>
<tr id="61AB981F504F65D4A1DA363C5820FEEB" pageId="0" pageNumber="155">
<td id="EF00885B9C6D925CA008842756D53316" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="C50D683FB16B179E408F404151163409" baseAuthorityName="Lyman" baseAuthorityYear="1878" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca carduus" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="carduus">
<emphasis id="CBDED08C370C58CD0DE03EFA5F908B9C" italics="true" pageId="0" pageNumber="155">Ophioplinthaca carduus</emphasis>
</taxonomicName>
(Lyman, 1878)
</td>
<td id="AF1A425F55BF5622115F5CD5AF8030BF" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 6</td>
<td id="665292CE78C9F6A524ED39789E4CC895" colspan="1" pageId="0" pageNumber="155" rowspan="1">separated</td>
<td id="1A09301AD4C1DB1A3B83F70117DB3018" colspan="1" pageId="0" pageNumber="155" rowspan="1">4-5 LOP, first 3-4 conical, blunt tip, distalwards flat, spearhead-shaped, small, pointed, 1 VMT, curved adoral shield</td>
<td id="61102A6E268D7B70643416386924476E" colspan="1" pageId="0" pageNumber="155" rowspan="1">strongly thorny, after 1st pore, with 1 or 2 lateral thorns</td>
<td id="CF9A51AED19E47531D70CC2837E784FF" colspan="1" pageId="0" pageNumber="155" rowspan="1">
VAP separated, DAP on 1-3
<normalizedToken id="F29481269C619A7F33A9BADD85A93916" originalValue="×">x</normalizedToken>
ASE contiguous, then separated
</td>
<td id="DADBA8077381C258DFF395C6D7AC4BDD" colspan="1" pageId="0" pageNumber="155" rowspan="1">stout, cylindrical, glassy, blunt, very thorny</td>
<td id="1F25D9B7A7F0682E870BAEDAD5EB1C8F" colspan="1" pageId="0" pageNumber="155" rowspan="1">short, stout stump with thorny tip</td>
<td id="AF099EB8AFF5C07EDB649B17BF89AEDD" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<bibRefCitation id="9943015FA80AAA4540C12A6F6F376795" author="Lyman, T" journalOrPublisher="Bulletin of the Museum of Comparative Zoology" pageId="0" pageNumber="155" refId="B30" refString="Lyman, T, 1878. Ophiuridae and Astrophytidae of the &quot;Challenger&quot; expedition. Part I. 5: Bulletin of the Museum of Comparative Zoology at Harvard College, Cambridge, Mass, 65-168." title="Ophiuridae and Astrophytidae of the &quot; Challenger &quot; expedition. Part I. 5: Bulletin of the Museum of Comparative Zoology at Harvard College, Cambridge, Mass, 65 - 168." year="1878">Lyman (1878)</bibRefCitation>
</td>
</tr>
<tr id="0286232BDA3B4EB76A44A417E958497E" pageId="0" pageNumber="155">
<td id="07633F4182BB5BF9043C0DD9E78374EB" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="B5923669746CDEB3367F8CDD18EAA2E3" baseAuthorityName="C. W. Thomson" baseAuthorityYear="1877" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca chelys" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="chelys">
<emphasis id="19E258670E732058759CD78BBAB9859D" italics="true" pageId="0" pageNumber="155">Ophioplinthaca chelys</emphasis>
</taxonomicName>
(C. W. Thomson, 1877)
</td>
<td id="1EFA138C2F03582EB593F1A8FE9D5413" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 6</td>
<td id="71A32616AE54F33DE30450C60B3C38A6" colspan="1" pageId="0" pageNumber="155" rowspan="1">separated, deeply sunken</td>
<td id="FA7559AC769E9A4B7701258A4907AC44" colspan="1" pageId="0" pageNumber="155" rowspan="1">5 LOP, first 3-4 conical, blunt tip, 1 VMT</td>
<td id="9FB6D011A7DCA578C378AD966C14DD0D" colspan="1" pageId="0" pageNumber="155" rowspan="1">large and flat</td>
<td id="DF5CD0247C20BD0E08B77B51ED756CCB" colspan="1" pageId="0" pageNumber="155" rowspan="1">VAP and DAP separated</td>
<td id="F13C0D44FC8A63806D7FC4FB59E0AF2B" colspan="1" pageId="0" pageNumber="155" rowspan="1">cylindrical, glassy, blunt, very thorny</td>
<td id="1F053385F0F48B51C71E72788024B500" colspan="1" pageId="0" pageNumber="155" rowspan="1">cylindrical, thorny or smooth, thorny tip, spines dense in disc center.</td>
<td id="CD5AB3257FCC0C28D789CA8FB0659AF5" colspan="1" pageId="0" pageNumber="155" rowspan="1">
C. W.
<bibRefCitation id="1090D41B849D22B4BA8E5259A24D2E6E" DOI="https://doi.org/10.5962/bhl.title.79255" author="Thomson, CW" journalOrPublisher="Nucleic Acids Research" pageId="0" pageNumber="155" refId="B54" refString="Thomson, CW, 1877. The voyage of the &quot;Challenger.&quot; The Atlantic; a preliminary account of the general results of the exploring voyage of H.M.S. &quot;Challenger&quot; during the year 1873 and the early part of the year 1876, vol. 1: [xxix +] 424 pp. Macmillan and Co., London. https://doi.org/10.5962/bhl.title.79255" title="The voyage of the &quot; Challenger. &quot; The Atlantic; a preliminary account of the general results of the exploring voyage of H. M. S. &quot; Challenger &quot; during the year 1873 and the early part of the year 1876, vol. 1: [xxix +] 424 pp. Macmillan and Co., London." url="https://doi.org/10.5962/bhl.title.79255" year="1877">Thomson (1877)</bibRefCitation>
</td>
</tr>
<tr id="AED7B0A91D304722769D2C2E65BFDF7C" pageId="0" pageNumber="155">
<td id="20E3D4424E578E4308BD054BF6B92328" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="1A5DD64E1780935CE52739A6B07826B2" authorityName="Koehler" authorityYear="1904" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca citata" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="citata">
<emphasis id="7951E245EAC479A9CEA76BE9AA61DD6E" italics="true" pageId="0" pageNumber="155">Ophioplinthaca citata</emphasis>
</taxonomicName>
Koehler, 1904
</td>
<td id="2FA60115C20802270CAEC450D02DE96E" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 9</td>
<td id="E19BD28954DB5899DE83AB52280E964D" colspan="1" pageId="0" pageNumber="155" rowspan="1">separated L = 3-4W</td>
<td id="9AB966AAC6A104C5F9F31F0E5C34CB9C" colspan="1" pageId="0" pageNumber="155" rowspan="1">3-4 LOP, blunt, distal one has wider flat edge, 1 VMT</td>
<td id="0C785DD1C41FEEFDB02DE8EED27F7FAF" colspan="1" pageId="0" pageNumber="155" rowspan="1">oval to elliptical</td>
<td id="4C1173154E5681E4DE818DA7FE52168D" colspan="1" pageId="0" pageNumber="155" rowspan="1">DAP contiguous, except first few ASE, VAP contiguous</td>
<td id="BFF9068F33A7D51DA2FB63CE5F5FD5E5" colspan="1" pageId="0" pageNumber="155" rowspan="1">
DAS ≈ 4
<normalizedToken id="174CE4E0FB179F96A10E64CAB99D7C3F" originalValue="×">x</normalizedToken>
ASE length, VAS short, thorny, hollow
</td>
<td id="25D12A368F4CEFEE96FDE6F79E2B2502" colspan="1" pageId="0" pageNumber="155" rowspan="1">cylindrical, terminal crown of thorns</td>
<td id="A8BFC9A86F2E2AE4BE8DE1AA8DF2BED9" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<bibRefCitation id="377F8B61E97BC7CDC63732E758F8D0AD" DOI="https://doi.org/10.5962/bhl.title.11682" author="Koehler, R" journalOrPublisher="Annales des Sciences Naturelles Zoologie" pageId="0" pageNumber="155" refId="B21" refString="Koehler, R, 1904. Ophiures de l'expedition du Siboga. Part 1. Ophiures de mer profonde. Weber, Siboga Expeditie. MEJ Brill, Leiden 45a: 1-176. https://doi.org/10.5962/bhl.title.11682" title="Ophiures de l'expedition du Siboga. Part 1. Ophiures de mer profonde. Weber, Siboga Expeditie. MEJ Brill, Leiden 45 a: 1 - 176." url="https://doi.org/10.5962/bhl.title.11682" year="1904">Koehler (1904)</bibRefCitation>
,
<bibRefCitation id="28C6981BFC9EAF97BCAE260401741C03" author="O'Hara, TD" journalOrPublisher="Acta Oceanologica Sinica" pageId="0" pageNumber="155" publicationUrl="http://cat.inist.fr/?aModele=afficheN&amp;cpsidt=18965845" refId="B41" refString="O'Hara, TD, Stoehr, S, 2006. Deep water Ophiuroidea (Echinodermata) of New Caledonia: Ophiacanthidae and Hemieuryalidae. In: Richer de Forges B et al. (Eds) Tropical Deep-sea Benthos 24. Memoires du Museum national d'Histoire naturelle (1993), 33-141. http://cat.inist.fr/?aModele=afficheN&amp;cpsidt=18965845" title="Deep water Ophiuroidea (Echinodermata) of New Caledonia: Ophiacanthidae and Hemieuryalidae. In: Richer de Forges B et al. (Eds) Tropical Deep-sea Benthos 24. Memoires du Museum national d'Histoire naturelle (1993), 33 - 141." url="http://cat.inist.fr/?aModele=afficheN&amp;cpsidt=18965845" year="2006">
<normalizedToken id="CF03B1508AF3386AF305F0FF8BD26BCB" originalValue="OHara">O'Hara</normalizedToken>
and
<normalizedToken id="49CFB75CC5AFCEAFEAA9D604E7E74FC6" originalValue="Stöhr">Stoehr</normalizedToken>
(2006)
</bibRefCitation>
</td>
</tr>
<tr id="C3A38B5B8D5CE5EE30A28E1CAE9496C7" pageId="0" pageNumber="155">
<td id="71066E74B84EAA9B7E611863F254B0E4" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="7ABE63DD3A13CE7B27EA3879E1842407" authorityName="A. H. Clark" authorityYear="1949" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca clothilde" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="clothilde">
<emphasis id="32A1C57874F4710A2440930652225AB4" italics="true" pageId="0" pageNumber="155">Ophioplinthaca clothilde</emphasis>
</taxonomicName>
A.H. Clark, 1949
</td>
<td id="2D7186F72580F595BD96DCD454E5D23A" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 7 at arm base then 5</td>
<td id="7ED075819CCFA4DAB4951B6E13703616" colspan="1" pageId="0" pageNumber="155" rowspan="1">contiguous, ovoid, about half as long as broad</td>
<td id="ADB0D7EB9808519E28B71CA5269E3B3B" colspan="1" pageId="0" pageNumber="155" rowspan="1">4 LOP, pointed, flattened, large, 1 VMT of equal size</td>
<td id="B8C4EBBEE411333CF204023471648193" colspan="1" pageId="0" pageNumber="155" rowspan="1">1st pore 2, then 1, leaf-like to narrow, sharply pointed with numerous spinelets at tip</td>
<td id="2BBEEA6223C265C49EE103E195A5F43B" colspan="1" pageId="0" pageNumber="155" rowspan="1">VAP separated after 2 ASE, DAP separated</td>
<td id="13EEA8AF55EA50316498F801C93D1011" colspan="1" pageId="0" pageNumber="155" rowspan="1">
DAS ≈ 4
<normalizedToken id="6DDB7B86E772BD8D5502A0F3754C70F1" originalValue="×">x</normalizedToken>
ASE length, DAS and VAS with thorny surface, DAS longest
</td>
<td id="F3EDAB4D394CB1A546830C9E7A545750" colspan="1" pageId="0" pageNumber="155" rowspan="1">in disc center cylindrical base ending in 2-3 sub-crowns, at periphery short, stout with irregular crown of a dozen or more thorns</td>
<td id="E24E6C0D029A20D6167FAF931EB91C73" colspan="1" pageId="0" pageNumber="155" rowspan="1">
A. H.
<bibRefCitation id="B6B612E281D558E4DCA34E5A874A22CB" author="Clark, AH" journalOrPublisher="Bishop Museum" pageId="0" pageNumber="155" pagination="3 - 133" refId="B11" refString="Clark, AH, 1949. Ophiuroidea of the Hawaiian Islands. Bulletin of the Bernice P. Bishop Museum 195: 3 - 133" title="Ophiuroidea of the Hawaiian Islands. Bulletin of the Bernice P." volume="195" year="1949">Clark (1949)</bibRefCitation>
</td>
</tr>
<tr id="87D1F30F65A4073C474A4855758E2F82" pageId="0" pageNumber="155">
<td id="C3F8B3B8C47AEE50FFF428C4FF1789F3" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="DB71890705E78CC4B0637BF175802BC5" baseAuthorityName="H. L. Clark" baseAuthorityYear="1911" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca codonomorpha" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="codonomorpha">
<emphasis id="DD9228F774B11943249CFFC37F44968F" italics="true" pageId="0" pageNumber="155">Ophioplinthaca codonomorpha</emphasis>
</taxonomicName>
(H. L. Clark, 1911)
</td>
<td id="A6630693DC1ECD15E3A819547D28CECB" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 8</td>
<td id="3679208C49D7B64A72D705BCC3EF5080" colspan="1" pageId="0" pageNumber="155" rowspan="1">widely separated, small, convex proximally, as wide as long</td>
<td id="3C7780FF21D8C188B4A9418B713C55F6" colspan="1" pageId="0" pageNumber="155" rowspan="1">3 LOP, 1 VMT</td>
<td id="89D4AC8E5AFC7435E90E87A98B06E0E4" colspan="1" pageId="0" pageNumber="155" rowspan="1">1st pore 2, oval, conspicuously large, then oval with pointed tip</td>
<td id="8236275CE6CFE58F37CB598EAF39ACEF" colspan="1" pageId="0" pageNumber="155" rowspan="1">VAP at 1st to 2ndASE contiguous then separated, DAP barely contiguous</td>
<td id="8C55E719AFC90304F30BF71552720E81" colspan="1" pageId="0" pageNumber="155" rowspan="1">1-3 DAS smooth or thorny; VAS also smooth</td>
<td id="D7B709E7064703DF2DDB7AE4E53DFDE8" colspan="1" pageId="0" pageNumber="155" rowspan="1">minute rough granules</td>
<td id="481534350302533079DC5B96BA3AF0A6" colspan="1" pageId="0" pageNumber="155" rowspan="1">
H. L.
<bibRefCitation id="E66C75B4A7367EEFE2E7B40F9CF3AF1F" DOI="https://doi.org/10.5962/bhl.title.32556" author="Clark, HL" journalOrPublisher="Smithsonian Institution United States National Museum Bulletin" pageId="0" pageNumber="155" pagination="1 - 302" refId="B8" refString="Clark, HL, 1911. North Pacific Ophiurans in the collection of the United States National Museum. Smithsonian Institution United States National Museum Bulletin 75: 1 - 302, DOI: https://doi.org/10.5962/bhl.title.32556" title="North Pacific Ophiurans in the collection of the United States National Museum." url="https://doi.org/10.5962/bhl.title.32556" volume="75" year="1911">Clark (1911)</bibRefCitation>
</td>
</tr>
<tr id="6F139C00ABC6CBBBAA8FDF8186552928" pageId="0" pageNumber="155">
<td id="734967B301F1E4BAD89A282BC1006814" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="4B9E166321A533C4028D8B6E8775184C" authorityName="H. L. Clark" authorityYear="1939" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca crassa" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="crassa">
<emphasis id="0C1A2EE60188BF7670ED81D41CFC2141" italics="true" pageId="0" pageNumber="155">Ophioplinthaca crassa</emphasis>
</taxonomicName>
H. L. Clark, 1939
</td>
<td id="16101DB5985B4FAA93D3A75999FC1244" colspan="1" pageId="0" pageNumber="155" rowspan="1">basally 4 then up to 5 or 7</td>
<td id="6DE344198EA2393DCADF82DF377B3FA4" colspan="1" pageId="0" pageNumber="155" rowspan="1">distally connected, small, as wide as long, convex proximally</td>
<td id="634ED4239C0392D63E4DC2B2C8EFE07C" colspan="1" pageId="0" pageNumber="155" rowspan="1">3 LOP, narrow, elongated, pointed, distalwards short and wide, 1 large VMT</td>
<td id="A9E3F7F2A780F23E48519DDC0FC043B6" colspan="1" pageId="0" pageNumber="155" rowspan="1">1st pore 2-3, blunt, 1mm long and wide, very thick, somewhat triangular, then less stout, slender pointed</td>
<td id="92627E2AEF08227703EB0F5A2E4BE5B9" colspan="1" pageId="0" pageNumber="155" rowspan="1">VAP, DAP in first 1-2 ASE contiguous, then separated</td>
<td id="7A1F13F5D2460C81FE7CC8D450578106" colspan="1" pageId="0" pageNumber="155" rowspan="1">
short, stout, but fragile, thorny spines, DAS ≈ 2
<normalizedToken id="35509FADA4DD6E1C74E8E549A92A9E06" originalValue="×">x</normalizedToken>
ASE length
</td>
<td id="2463023F0E2610124DA9503996734689" colspan="1" pageId="0" pageNumber="155" rowspan="1">low cylindrical tube</td>
<td id="1B44FDFFEAAD56C435C4D21005619F46" colspan="1" pageId="0" pageNumber="155" rowspan="1">
H. L.
<bibRefCitation id="9CC41182B5FCAC9E2807CCAA68109D57" author="Clark, HL" journalOrPublisher="Memoirs of the Museum of comparative Zoology at Harvard College" pageId="0" pageNumber="155" refId="B10" refString="Clark, HL, 1939. Ophiuroidea. Scientific Reports from the John Murray Exp. 1933-34(6): 29-136." title="Ophiuroidea. Scientific Reports from the John Murray Exp. 1933 - 34 (6): 29 - 136." year="1939">Clark (1939)</bibRefCitation>
</td>
</tr>
<tr id="A849A300A89830FAA36C5A9DA7ED4E73" pageId="0" pageNumber="155">
<td id="77A122FAF84FC3216DF28D1B1C677662" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="9041ECF05E99F810B318541FC64CF8B7" authorityName="Koehler" authorityYear="1930" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca defensor" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="defensor">
<emphasis id="0E3AFB28705C662FAF8DF90DB7FFD428" italics="true" pageId="0" pageNumber="155">Ophioplinthaca defensor</emphasis>
</taxonomicName>
Koehler, 1930
</td>
<td id="52183E60C68C6A5BE07430F3E83D2175" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 7 at arm base</td>
<td id="243ED2E26853D3FA47D8E7F17D895481" colspan="1" pageId="0" pageNumber="155" rowspan="1">separated proximally, connected distally</td>
<td id="1A648A7D320A877F92E8C61B9A8313C8" colspan="1" pageId="0" pageNumber="155" rowspan="1">4 LOP, 1 VMT</td>
<td id="D373D5EAEB0E944A34073F88FEDC5D2D" colspan="1" pageId="0" pageNumber="155" rowspan="1">1st pore 1, long, and leaf-like then narrower with pointed tip</td>
<td id="C7DA63AB01E881996DD6B937C31E4068" colspan="1" pageId="0" pageNumber="155" rowspan="1">DAP and VAP contiguous</td>
<td id="D68C553E42C875D639755C1C219D0AA2" colspan="1" pageId="0" pageNumber="155" rowspan="1">
thorny surface, conspicuous thorns on DAS; DAS ≈ 3
<normalizedToken id="A027318F3B8FB79DADDAD4C455B68E4E" originalValue="×">x</normalizedToken>
ASE, VAS ≈ 1
<normalizedToken id="28D5A1484C562D970580F4C2BDAA1AB7" originalValue="×">x</normalizedToken>
ASE length
</td>
<td id="68459C3809F97EA1ECC4A3813BE9C961" colspan="1" pageId="0" pageNumber="155" rowspan="1">cylindrical with thorn at tip</td>
<td id="3B69C4BD56A88FE14D998267ECB68E45" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<bibRefCitation id="29F7E12193A2887FB2070DC5FB80D94B" author="Koehler, R" journalOrPublisher="Videnskabelige Meddelelser fra Dansk naturhistorisk Forening" pageId="0" pageNumber="155" pagination="1 - 295" refId="B23" refString="Koehler, R, 1930. Ophiures recueillies par le Docteur Th. Mortensen dans les Mers d'Australie et dans l'Archipel Malais. Papers from Dr. Th. Mortensen's Pacific Expedition 1914-1916. LIV. Videnskabelige Meddelelser fra Dansk naturhistorisk Forening 89: 1 - 295" title="Ophiures recueillies par le Docteur Th. Mortensen dans les Mers d'Australie et dans l'Archipel Malais. Papers from Dr. Th. Mortensen's Pacific Expedition 1914 - 1916. LIV." volume="89" year="1930">Koehler (1930)</bibRefCitation>
,
<bibRefCitation id="226A40A844DD0B84E939B3C6B45FD37E" DOI="https://doi.org/10.1007/s13131-020-1666-1" author="Na, J" journalOrPublisher="Acta Oceanologica Sinica" pageId="0" pageNumber="155" pagination="1 - 11" refId="B39" refString="Na, J, Chen, W, Zhang, D, Zhang, R, Lu, B, Shen, C, Zhou, Y, Wang, C, 2021. Morphological description and population structure of an ophiuroid species from cobalt-rich crust seamounts in the Northwest Pacific: Implications for marine protection under deep-sea mining. Acta Oceanologica Sinica 40 (12): 1 - 11, DOI: https://doi.org/10.1007/s13131-020-1666-1" title="Morphological description and population structure of an ophiuroid species from cobalt-rich crust seamounts in the Northwest Pacific: Implications for marine protection under deep-sea mining." url="https://doi.org/10.1007/s13131-020-1666-1" volume="40" year="2021">Na et al. (2021)</bibRefCitation>
, this study
</td>
</tr>
<tr id="1B8519B909E544C7EB682A63FBC79046" pageId="0" pageNumber="155">
<td id="025C55F38E84C069BAF56A0973225FDA" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="0497D0C538D5BE534137179B9963A81F" baseAuthorityName="Lyman" baseAuthorityYear="1878" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca dipsacos" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="dipsacos">
<emphasis id="81263CF3144E54B973C33B212898596D" italics="true" pageId="0" pageNumber="155">Ophioplinthaca dipsacos</emphasis>
</taxonomicName>
(Lyman, 1878)
</td>
<td id="C6296C6783B8C0DD9A90EB88E96CAA10" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 6</td>
<td id="4C552D78FD6AA71BCBF1A535EEB1A569" colspan="1" pageId="0" pageNumber="155" rowspan="1">separated proximally, connected distally</td>
<td id="CEC137376C4A91AC77FA2AFC27CC2B33" colspan="1" pageId="0" pageNumber="155" rowspan="1">4-5 LOP, pointed, flattened, ill-defined distalwards, 1 VMT</td>
<td id="D5618FF6D017C63C124AD831D803C855" colspan="1" pageId="0" pageNumber="155" rowspan="1">large, pointed with 1 or 2 microscopic thorns</td>
<td id="3098DBE17DC3093C6032AD174D4A485E" colspan="1" pageId="0" pageNumber="155" rowspan="1">VAP and DAP separated</td>
<td id="3977B128BBEE334AE9069779CA85704C" colspan="1" pageId="0" pageNumber="155" rowspan="1">
long, slender, DAS 5-7
<normalizedToken id="C23D8956F74876195CBCF0BE8FD07ACE" originalValue="×">x</normalizedToken>
ASE length, with conspicuous thorns, VAS
<normalizedToken id="24495FDEA37AFAC5B4741BC0F3EE2F65" originalValue="1½">11/2</normalizedToken>
-2
<normalizedToken id="941E9F3DB51847616D7DCCF7FF8008BD" originalValue="×">x</normalizedToken>
ASE length with thorny surface
</td>
<td id="F2E09A37B6FF2A807B073EB363F065CB" colspan="1" pageId="0" pageNumber="155" rowspan="1">short, stout, with thorny tip, at periphery smooth</td>
<td id="D1DAAF61053319E965EA12DAF19AB067" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<bibRefCitation id="B2AA9FDDE43EF9B27F0DF0E801433E5C" author="Lyman, T" journalOrPublisher="Bulletin of the Museum of Comparative Zoology" pageId="0" pageNumber="155" refId="B30" refString="Lyman, T, 1878. Ophiuridae and Astrophytidae of the &quot;Challenger&quot; expedition. Part I. 5: Bulletin of the Museum of Comparative Zoology at Harvard College, Cambridge, Mass, 65-168." title="Ophiuridae and Astrophytidae of the &quot; Challenger &quot; expedition. Part I. 5: Bulletin of the Museum of Comparative Zoology at Harvard College, Cambridge, Mass, 65 - 168." year="1878">Lyman (1878)</bibRefCitation>
</td>
</tr>
<tr id="E76A7802335B7AF79ED947FCDE039AF6" pageId="0" pageNumber="155">
<td id="5C37710CEDD8322909EA4E27597690B7" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="22014EFB7DC46C7EDD914334C2AA7CD9" authorityName="Koehler" authorityYear="1922" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca globata" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="globata">
<emphasis id="84369CF0938D6B6B23F67D53FF7DC5B4" italics="true" pageId="0" pageNumber="155">Ophioplinthaca globata</emphasis>
</taxonomicName>
Koehler, 1922
</td>
<td id="E16B2EC21468D66BC48BC77FB83C5135" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 6</td>
<td id="8D7004F6098F9A0B36A73C7A96851661" colspan="1" pageId="0" pageNumber="155" rowspan="1">separated proximally, connected distally</td>
<td id="5AB363448AE18DE8651EDACB0A7B60B9" colspan="1" pageId="0" pageNumber="155" rowspan="1">3-4 LOP, bunt, distal one has wider flat edge, 1 VMT, ASS covered by small granules</td>
<td id="6A4B1D25B6E63F9945FDE11F59B4D022" colspan="1" pageId="0" pageNumber="155" rowspan="1">1st pore 2-3, as long asVAP, terminally spiniferous in larger specimen</td>
<td id="0E81AA3F16507EC6E98EA0C68604127C" colspan="1" pageId="0" pageNumber="155" rowspan="1">DAP and VAP separated</td>
<td id="3FCA0EAE4859B9CC3F16AB9B460EDB30" colspan="1" pageId="0" pageNumber="155" rowspan="1">thorny surface</td>
<td id="9A3F902F9F3D134CB92CF41ECADD5F25" colspan="1" pageId="0" pageNumber="155" rowspan="1">cylindrical, bifid or tip mostly with 3 thorns</td>
<td id="C69EDF6A30005EB79B59792DAD3E1254" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<bibRefCitation id="C92042DC61BD222485E220F53AD51869" author="Koehler, R" journalOrPublisher="Bulletin of the American Museum of Natural History" pageId="0" pageNumber="155" pagination="1 - 480" publicationUrl="https://www.biodiversitylibrary.org/item/77301" refId="B22" refString="Koehler, R, 1922. Ophiurans of the Philippine seas and adjacent waters. Bulletin of the American Museum of Natural History 5: 1 - 480, https://www.biodiversitylibrary.org/item/77301" title="Ophiurans of the Philippine seas and adjacent waters." url="https://www.biodiversitylibrary.org/item/77301" volume="5" year="1922">Koehler (1922</bibRefCitation>
,
<bibRefCitation id="EFA7BF277A2E7406C7F178FFA02BD621" author="Koehler, R" journalOrPublisher="Videnskabelige Meddelelser fra Dansk naturhistorisk Forening" pageId="0" pageNumber="155" pagination="1 - 295" refId="B23" refString="Koehler, R, 1930. Ophiures recueillies par le Docteur Th. Mortensen dans les Mers d'Australie et dans l'Archipel Malais. Papers from Dr. Th. Mortensen's Pacific Expedition 1914-1916. LIV. Videnskabelige Meddelelser fra Dansk naturhistorisk Forening 89: 1 - 295" title="Ophiures recueillies par le Docteur Th. Mortensen dans les Mers d'Australie et dans l'Archipel Malais. Papers from Dr. Th. Mortensen's Pacific Expedition 1914 - 1916. LIV." volume="89" year="1930">1930</bibRefCitation>
),
<bibRefCitation id="001A2ECCFE3F0B951B822B831A295560" author="O'Hara, TD" journalOrPublisher="Acta Oceanologica Sinica" pageId="0" pageNumber="155" publicationUrl="http://cat.inist.fr/?aModele=afficheN&amp;cpsidt=18965845" refId="B41" refString="O'Hara, TD, Stoehr, S, 2006. Deep water Ophiuroidea (Echinodermata) of New Caledonia: Ophiacanthidae and Hemieuryalidae. In: Richer de Forges B et al. (Eds) Tropical Deep-sea Benthos 24. Memoires du Museum national d'Histoire naturelle (1993), 33-141. http://cat.inist.fr/?aModele=afficheN&amp;cpsidt=18965845" title="Deep water Ophiuroidea (Echinodermata) of New Caledonia: Ophiacanthidae and Hemieuryalidae. In: Richer de Forges B et al. (Eds) Tropical Deep-sea Benthos 24. Memoires du Museum national d'Histoire naturelle (1993), 33 - 141." url="http://cat.inist.fr/?aModele=afficheN&amp;cpsidt=18965845" year="2006">
<normalizedToken id="63D0F21B36093114365C65D07DF3C284" originalValue="OHara">O'Hara</normalizedToken>
and
<normalizedToken id="1D0075921E70719444B87A33F57303F9" originalValue="Stöhr">Stoehr</normalizedToken>
(2006)
</bibRefCitation>
</td>
</tr>
<tr id="D6E9B987FEC222F8B1B51C576EC3BA26" pageId="0" pageNumber="155">
<td id="DD1521DC92A8DA85E1884A2269C1DADB" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="3E4A83FD98CAE237945433B907FE88BD" authorityName="Chen, Na &amp; Zhang" authorityYear="2021" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca grandisquama" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="grandisquama">
<emphasis id="9C33ED8DD150A4A55E02C2B8FFE82AA6" italics="true" pageId="0" pageNumber="155">Ophioplinthaca grandisquama</emphasis>
</taxonomicName>
Chen, Na, &amp; Zhang, 2021a
</td>
<td id="96F39C315A09EF0FE62DB1A197EFD3B4" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 7</td>
<td id="35A8EEF5710A76BE9D97B37958409FF6" colspan="1" pageId="0" pageNumber="155" rowspan="1">contiguous, L = 1.5W</td>
<td id="B0C68C8BC6F6CF21008E87BF8B6E7F19" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 3-4 LOP, spiniform, 1 or 2 VMT</td>
<td id="A33412A12300A687C47FED83E1D3E2ED" colspan="1" pageId="0" pageNumber="155" rowspan="1">1st pore 1-2, only 1 in following ASE, long, thorny with thick base, tapering into blunt point</td>
<td id="3A944891D785A2F5B6E387840307C3B8" colspan="1" pageId="0" pageNumber="155" rowspan="1">DAP contiguous, VAP separated</td>
<td id="FBF0777B789009DC3FAA35DBE8D30F60" colspan="1" pageId="0" pageNumber="155" rowspan="1">
DAS thin with distal lateral thorns, up to 3
<normalizedToken id="A8D032167BA9B9DA8BAA45BE366C2F09" originalValue="×">x</normalizedToken>
ASE length; VAS short, blunt, and finely rugose
</td>
<td id="BEA03CAC613D11DF61844358D77C2F50" colspan="1" pageId="0" pageNumber="155" rowspan="1">stout, tall, bearing numerous distinct thorns laterally or at tip, some bifurcated into two prongs with thorny tips</td>
<td id="0B9607C3E8544111C0FAEE3C3F719A86" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<bibRefCitation id="CEAF645615B37224AE8566369988E586" DOI="https://doi.org/10.7717/peerj.11566" author="Chen, W" journalOrPublisher="Ecology and Evolution" pageId="0" pageNumber="155" refId="B2" refString="Chen, W, Na, J, Zhang, D, 2021a. Description of three species of ophioplinthacids, including a new species, from a deep seamount in the Northwest Pacific Ocean. PeerJ. https://doi.org/10.7717/peerj.11566" title="Description of three species of ophioplinthacids, including a new species, from a deep seamount in the Northwest Pacific Ocean. PeerJ." url="https://doi.org/10.7717/peerj.11566" year="2021 a">Chen et al. (2021a)</bibRefCitation>
</td>
</tr>
<tr id="AEC6A52983681B7CCB03F3B47C578621" pageId="0" pageNumber="155">
<td id="709A8520D6853B11A1409F01BE4C8D37" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="189A77593019775BC6D24FC00BD97E51" authorityName="John &amp; A. M. Clark" authorityYear="1954" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca grenadensis" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="grenadensis">
<emphasis id="7FD1D885E525DA957A7057C5758DECFA" italics="true" pageId="0" pageNumber="155">Ophioplinthaca grenadensis</emphasis>
</taxonomicName>
John and A. M. Clark, 1954
</td>
<td id="BC8BAA8D75FC74665806C6D9A5EAC38F" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 5</td>
<td id="192C6AA24DAE0E15A54FDF7CC1E87097" colspan="1" pageId="0" pageNumber="155" rowspan="1">separated oval proximally</td>
<td id="057A981FA54EC17FECC3112CB1AD0265" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 5 LOP, spiniform, 1 VMT</td>
<td id="72695B0CF5291C228AFEB5C1E101AEDE" colspan="1" pageId="0" pageNumber="155" rowspan="1">leaf-like, then slightly elongated with pointed tip along arm</td>
<td id="5ECD04DD5D82009F4FFDDAC853B85FB6" colspan="1" pageId="0" pageNumber="155" rowspan="1">DAP in first 1-2 ASE contiguous, then separated, VAP separated</td>
<td id="778B7C6C51B8FB64A8B23C397FA7E016" colspan="1" pageId="0" pageNumber="155" rowspan="1">flattened, covered by glassy spines</td>
<td id="AD8D7B1882D28E7BA97739A4F6EB70F7" colspan="1" pageId="0" pageNumber="155" rowspan="1">long, thick spinelets with rough thorny lateral surface in disc center, at periphery shorter</td>
<td id="0C7B8A3B34862A98AB06273C65278957" colspan="1" pageId="0" pageNumber="155" rowspan="1">John and A. M. Clark (1954)</td>
</tr>
<tr id="B48E968EB1157BB3F6DF665A3FC93BBE" pageId="0" pageNumber="155">
<td id="18F45D2601A267BEF34CC35DCE81B6BC" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="AEBBEF2D6698E0524AB61BDB878068D3" authorityName="Koehler" authorityYear="1922" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca hastata" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="hastata">
<emphasis id="8BABEC1E69C79E505A62B10CDE649A60" italics="true" pageId="0" pageNumber="155">Ophioplinthaca hastata</emphasis>
</taxonomicName>
Koehler, 1922
</td>
<td id="49A189D3B82FA31710588CB25242DCB9" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 7</td>
<td id="C195C0B129EF9B7535BE23733D699901" colspan="1" pageId="0" pageNumber="155" rowspan="1">contiguous, L = 1.5W</td>
<td id="E53DCCA0EE16D45DA0F3851C369F4422" colspan="1" pageId="0" pageNumber="155" rowspan="1">4-5 LOP, spiniform to club-shaped, distal ones largest, sometimes small granules present on distal edge of jaw, 1 VMT, 1 or 2 ASS</td>
<td id="BA085537FBA0E24EE2E9E92BFC8064DD" colspan="1" pageId="0" pageNumber="155" rowspan="1">1st pore 2, then 1, clavate, terminally spiniferous, longer than VAP</td>
<td id="5C607B3A1A2A87905F4114F22AC47510" colspan="1" pageId="0" pageNumber="155" rowspan="1">separated</td>
<td id="B3E2EBB4A5C0E87C505181A82F48987D" colspan="1" pageId="0" pageNumber="155" rowspan="1">
smooth, DAS ≈ 3
<normalizedToken id="CF1282312D916035DB69533491494D33" originalValue="×">x</normalizedToken>
ASE length
</td>
<td id="DB941296974472B5831CD51ABB4FF5AC" colspan="1" pageId="0" pageNumber="155" rowspan="1">numerous thorns at cylindrical tip</td>
<td id="86BC4B86F5F668CBD24D75C54533E9AE" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<bibRefCitation id="720B45F71006E43062BD7D93BBF9F3A3" author="Koehler, R" journalOrPublisher="Bulletin of the American Museum of Natural History" pageId="0" pageNumber="155" pagination="1 - 480" publicationUrl="https://www.biodiversitylibrary.org/item/77301" refId="B22" refString="Koehler, R, 1922. Ophiurans of the Philippine seas and adjacent waters. Bulletin of the American Museum of Natural History 5: 1 - 480, https://www.biodiversitylibrary.org/item/77301" title="Ophiurans of the Philippine seas and adjacent waters." url="https://www.biodiversitylibrary.org/item/77301" volume="5" year="1922">Koehler (1922)</bibRefCitation>
,
<bibRefCitation id="6039AFBBF942C784C711D08B838C2145" author="O'Hara, TD" journalOrPublisher="Acta Oceanologica Sinica" pageId="0" pageNumber="155" publicationUrl="http://cat.inist.fr/?aModele=afficheN&amp;cpsidt=18965845" refId="B41" refString="O'Hara, TD, Stoehr, S, 2006. Deep water Ophiuroidea (Echinodermata) of New Caledonia: Ophiacanthidae and Hemieuryalidae. In: Richer de Forges B et al. (Eds) Tropical Deep-sea Benthos 24. Memoires du Museum national d'Histoire naturelle (1993), 33-141. http://cat.inist.fr/?aModele=afficheN&amp;cpsidt=18965845" title="Deep water Ophiuroidea (Echinodermata) of New Caledonia: Ophiacanthidae and Hemieuryalidae. In: Richer de Forges B et al. (Eds) Tropical Deep-sea Benthos 24. Memoires du Museum national d'Histoire naturelle (1993), 33 - 141." url="http://cat.inist.fr/?aModele=afficheN&amp;cpsidt=18965845" year="2006">
<normalizedToken id="15AB3C585347B5BD39D5FD6B03219589" originalValue="OHara">O'Hara</normalizedToken>
and
<normalizedToken id="60741B3FC9ACBF904EF73B6A47587B28" originalValue="Stöhr">Stoehr</normalizedToken>
(2006)
</bibRefCitation>
</td>
</tr>
<tr id="384A9F9CD8358B917B73A71B2D90F9D6" pageId="0" pageNumber="155">
<td id="9B1F27B57B6309859D7E6DE628116137" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="DF33A46A6008029F7BF59C3BAEA55228" baseAuthorityName="Lyman" baseAuthorityYear="1883" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca incisa" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="incisa">
<emphasis id="ACFEED95896265385FD3772EC87BB10C" italics="true" pageId="0" pageNumber="155">Ophioplinthaca incisa</emphasis>
</taxonomicName>
(Lyman, 1883)
</td>
<td id="2BD9DBC41542A1C3839B19895928C474" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 5</td>
<td id="46BBA8058B5915293038778BC7FC793A" colspan="1" pageId="0" pageNumber="155" rowspan="1">small, separated proximally, connected distally</td>
<td id="50B37C9934AEE08562922837F89ADC40" colspan="1" pageId="0" pageNumber="155" rowspan="1">4-5 LOP, spiniform., distal ones wide, flat, 1 VMT, 1 or 2 ASS</td>
<td id="B6E9F541218F3BF0288F08752B9CD99B" colspan="1" pageId="0" pageNumber="155" rowspan="1">1st pore 3, then 1</td>
<td id="5E8911A0272CE3DA3EE2A700F9DBFAC7" colspan="1" pageId="0" pageNumber="155" rowspan="1">VAP separated</td>
<td id="D65036F0B0902416EB4009A1E3F1FF44" colspan="1" pageId="0" pageNumber="155" rowspan="1">
smooth, DAS ≈ 3
<normalizedToken id="B1320E964F468856737DFB96C15CEFDB" originalValue="×">x</normalizedToken>
ASE, VAS ≈ 1
<normalizedToken id="0E5CD40EFA617EE7CAB22C099F098AEB" originalValue="×">x</normalizedToken>
ASE length
</td>
<td id="AAC32B5473C84CF44724212157892065" colspan="1" pageId="0" pageNumber="155" rowspan="1">cylindrical with thorny tip or thorny surface laterally, at disc periphery smooth</td>
<td id="59A40D8883D547E1763518D652C53D26" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<bibRefCitation id="A85521ECF1406185BEDAA8E5DB2B4EE5" author="Lyman, T" journalOrPublisher="Bulletin of the Museum of Comparative Zoology at Harvard" pageId="0" pageNumber="155" pagination="227 - 287" publicationUrl="https://www.biodiversitylibrary.org/page/4211367" refId="B33" refString="Lyman, T, 1883. Reports on the results of dredging, under the supervision of Alexander Agassiz, in the Caribbean Sea (1878-79), and on the east coast of the United States, during the summer of 1880, by the U.S. coast survey steamer &quot;Blake&quot;, commander J.R. Bartlett, U.S. Bulletin of the Museum of Comparative Zoology at Harvard 10: 227 - 287, https://www.biodiversitylibrary.org/page/4211367" title="Reports on the results of dredging, under the supervision of Alexander Agassiz, in the Caribbean Sea (1878 - 79), and on the east coast of the United States, during the summer of 1880, by the U. S. coast survey steamer &quot; Blake &quot;, commander J. R. Bartlett, U. S." url="https://www.biodiversitylibrary.org/page/4211367" volume="10" year="1883">Lyman (1883)</bibRefCitation>
</td>
</tr>
<tr id="1055AC32CC6B87491E8A9496F2D1F439" pageId="0" pageNumber="155">
<td id="8C05F32DE5FC26B6BEC9887093CB9355" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="CEE5745B535466DF02C5E4DE591D62D3" authorityName="Koehler" authorityYear="1930" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca laudator" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="laudator">
<emphasis id="4D4CFA871AF39530A3099DEA7F0691AE" italics="true" pageId="0" pageNumber="155">Ophioplinthaca laudator</emphasis>
</taxonomicName>
Koehler, 1930
</td>
<td id="D57276DD3001E9CA176EB25C2E979C68" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 7</td>
<td id="B64C51CC5F0DF1250E98AB4E66E479EE" colspan="1" pageId="0" pageNumber="155" rowspan="1">small, separated proximally, connected distally</td>
<td id="EE6BF119C746D78BC8B71B27D3116022" colspan="1" pageId="0" pageNumber="155" rowspan="1">4 LOP, sometimes irregularly arranged, elongated, pointed but distalmost one flat and wide, 1 VMT</td>
<td id="439EFDAB2F19E82B9A12F82C5A8AF5D3" colspan="1" pageId="0" pageNumber="155" rowspan="1">-</td>
<td id="0CA5A0758BC31834C28615C316F2712B" colspan="1" pageId="0" pageNumber="155" rowspan="1">VAP separated beyond 2ndASE, DAP separated</td>
<td id="EA153992F0F93ACBBAABFEAE5F9C741C" colspan="1" pageId="0" pageNumber="155" rowspan="1">
DAS thorny, VAS smooth, DAS ≈ 2
<normalizedToken id="E6C87701AF815F24D48D70826967903A" originalValue="×">x</normalizedToken>
ASE, VAS ≈
<normalizedToken id="3F7C1B2A2F8BF25B0FCB708176BC6829" originalValue="1½">11/2</normalizedToken>
-2
<normalizedToken id="983AC543262A8CB7973D9A7F5628F4F4" originalValue="×">x</normalizedToken>
ASE length
</td>
<td id="BF47D292C90134DACE39FB77ED80F8C6" colspan="1" pageId="0" pageNumber="155" rowspan="1">cylindrical with 2-3 thorns at tip or lateral thorns, at disc periphery smooth, conical</td>
<td id="7C8BA484D0A492081F9163A8AEA9323C" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<bibRefCitation id="6B36D882A382F460039CCAC00549A26B" author="Koehler, R" journalOrPublisher="Videnskabelige Meddelelser fra Dansk naturhistorisk Forening" pageId="0" pageNumber="155" pagination="1 - 295" refId="B23" refString="Koehler, R, 1930. Ophiures recueillies par le Docteur Th. Mortensen dans les Mers d'Australie et dans l'Archipel Malais. Papers from Dr. Th. Mortensen's Pacific Expedition 1914-1916. LIV. Videnskabelige Meddelelser fra Dansk naturhistorisk Forening 89: 1 - 295" title="Ophiures recueillies par le Docteur Th. Mortensen dans les Mers d'Australie et dans l'Archipel Malais. Papers from Dr. Th. Mortensen's Pacific Expedition 1914 - 1916. LIV." volume="89" year="1930">Koehler (1930)</bibRefCitation>
</td>
</tr>
<tr id="7349FFB1DEA9B889A06213FABBFD4A01" pageId="0" pageNumber="155">
<td id="41C39E0B0090D093DC0CFA55EDEEC398" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="7B09CC833AE2197C908C6E2584015220" baseAuthorityName="H. L. Clark" baseAuthorityYear="1911" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca lithosora" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="lithosora">
<emphasis id="4DEA896636C347B2F52C246F7ED24F88" italics="true" pageId="0" pageNumber="155">Ophioplinthaca lithosora</emphasis>
</taxonomicName>
(H. L. Clark, 1911)
</td>
<td id="BDC60ACD57EC3A006806F99EB8DD9181" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 6 or 7</td>
<td id="38592847FAC300C4D930C714C530A3C0" colspan="1" pageId="0" pageNumber="155" rowspan="1">long, narrow, separated</td>
<td id="3CD4531528434C109A7CC5F39C21574D" colspan="1" pageId="0" pageNumber="155" rowspan="1">10-15 LOP including small granules at distal edge of jaw</td>
<td id="73CFCD0B120CE848A9AFE1108E085C40" colspan="1" pageId="0" pageNumber="155" rowspan="1">1st pore 3, 2nd pore 2, then one, large, pointed tip</td>
<td id="BFA53EEDCABAA3205CD74323C073E78A" colspan="1" pageId="0" pageNumber="155" rowspan="1">VAP separated, tetragonal</td>
<td id="9F8470ED7D17E95767C9102152110F2D" colspan="1" pageId="0" pageNumber="155" rowspan="1">
first 1-2 DAS, smooth, 3
<normalizedToken id="BA8BAA7E5A678DA420B2335A5A505676" originalValue="×">x</normalizedToken>
ASE length, with thorny tip, 3 thorny VAS
</td>
<td id="BF193E34D14982548ED72A778F036766" colspan="1" pageId="0" pageNumber="155" rowspan="1">cylindrical, bifid or mostly with 3 thorns at tip or with lateral thorns</td>
<td id="00D0F9CFE6123EB4EB5B1C9FA34BB4D9" colspan="1" pageId="0" pageNumber="155" rowspan="1">
H. L.
<bibRefCitation id="480F41762D843F23D21329A176471C50" DOI="https://doi.org/10.5962/bhl.title.32556" author="Clark, HL" journalOrPublisher="Smithsonian Institution United States National Museum Bulletin" pageId="0" pageNumber="155" pagination="1 - 302" refId="B8" refString="Clark, HL, 1911. North Pacific Ophiurans in the collection of the United States National Museum. Smithsonian Institution United States National Museum Bulletin 75: 1 - 302, DOI: https://doi.org/10.5962/bhl.title.32556" title="North Pacific Ophiurans in the collection of the United States National Museum." url="https://doi.org/10.5962/bhl.title.32556" volume="75" year="1911">Clark (1911)</bibRefCitation>
, this study
</td>
</tr>
<tr id="E7D988E54DBC1106BE697977FF8114AB" pageId="0" pageNumber="155">
<td id="E1B77EE1DF7E3ECF211B5056724283FD" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="ED198A5062FC7596BF185F526453C67E" authorityName="Guille" authorityYear="1981" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca manillae" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="manillae">
<emphasis id="0FE6CB1585D31A1093E3426212ADDD08" italics="true" pageId="0" pageNumber="155">Ophioplinthaca manillae</emphasis>
</taxonomicName>
Guille, 1981
</td>
<td id="306D737B7098B4F170A92E93F2D4BA33" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 6</td>
<td id="93F1CD6523C4B40CD055F9E58F0F7A6C" colspan="1" pageId="0" pageNumber="155" rowspan="1">as wide as long, contiguous</td>
<td id="3B8F3A3A7B2A9A663E90D552278DF764" colspan="1" pageId="0" pageNumber="155" rowspan="1">3 LOP, 1 VMT, rough edges, large, pointed, small granules at distal edge of jaw</td>
<td id="133B79AD86AB34D69BA8EA9139D9F27A" colspan="1" pageId="0" pageNumber="155" rowspan="1">oval, large, rough edges</td>
<td id="1C87985AF1980111BB4799B27F18EC5E" colspan="1" pageId="0" pageNumber="155" rowspan="1">DAP on first 1-2 ASE contiguous, then separated, VAP separated</td>
<td id="AB62E35C650B79B98076E5686BACBCD5" colspan="1" pageId="0" pageNumber="155" rowspan="1">
DAS ≈ 3
<normalizedToken id="964DEE1DC4705128671E8B5BDDC61991" originalValue="×">x</normalizedToken>
ASE, VAS ≈ 1
<normalizedToken id="E6169AACD505F087D4FD3C79B931849B" originalValue="×">x</normalizedToken>
ASE length, thorny
</td>
<td id="63464D2616F9DE9BE207A5432457A083" colspan="1" pageId="0" pageNumber="155" rowspan="1">bifid or mostly with 3 divided thorns at tip, central spines longer than peripheral ones</td>
<td id="A79DDF8CBEE889EBACD397FC9563C8BF" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<bibRefCitation id="01679543AA536B975C7CD22CAD7D4599" author="Guille, A" editor="Forest, J" journalOrPublisher="Philippines (18 - 28 Mars 1976). Resultats" pageId="0" pageNumber="155" pagination="413 - 456" refId="B13" refString="Guille, A, 1981. 91 Memoires du Museum national d'Histoire naturelle Echinodermes: Ophiurides. du Museum nationa. In: Forest, J, Ed., Resultats des campagnes MUSORSTOM: 1. Philippines (18-28 Mars 1976). Resultats: 413 - 456" title="91 Memoires du Museum national d'Histoire naturelle Echinodermes: Ophiurides. du Museum nationa" volumeTitle="Resultats des campagnes MUSORSTOM: 1." year="1981">Guille (1981)</bibRefCitation>
</td>
</tr>
<tr id="73663B5E142693FD0E8E70207B513684" pageId="0" pageNumber="155">
<td id="D568C98933D7CF956738E39712038A59" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="B498A88251E93272EC13EEFD49B0E276" authorityName="Koehler" authorityYear="1904" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca miranda" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="miranda">
<emphasis id="1667F5FFB20F356C39FFB0A4A6223BA6" italics="true" pageId="0" pageNumber="155">Ophioplinthaca miranda</emphasis>
</taxonomicName>
Koehler, 1904
</td>
<td id="92E3E9EE9A6089C370D59E22FA249C35" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 5 or 6</td>
<td id="564E88A22976CAA5EDD1FB4F14FD6379" colspan="1" pageId="0" pageNumber="155" rowspan="1">separated proximally, connected distally</td>
<td id="3316C8430285452266E27DCA9A602473" colspan="1" pageId="0" pageNumber="155" rowspan="1">3 LOP, 1 large VMT</td>
<td id="40A981BD45D42AF42582F704B42E366B" colspan="1" pageId="0" pageNumber="155" rowspan="1">triangular</td>
<td id="B5429A887B203D51B9AF1F61895EE522" colspan="1" pageId="0" pageNumber="155" rowspan="1">DAP and VAP contiguous</td>
<td id="E0A7E2ECA56CD79BCB5C9B1F6B4AC789" colspan="1" pageId="0" pageNumber="155" rowspan="1">both DAS and VAS small, thorny, rugose and same length</td>
<td id="FA6449D4339ACCCF42BCD16862E0FDEB" colspan="1" pageId="0" pageNumber="155" rowspan="1">cylindrical with thorny circular tip</td>
<td id="831BF001C16C2C44B5A1B97D70FBE352" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<bibRefCitation id="9FA05A87B5B64289E3409BFF4261C206" DOI="https://doi.org/10.5962/bhl.title.11682" author="Koehler, R" journalOrPublisher="Annales des Sciences Naturelles Zoologie" pageId="0" pageNumber="155" refId="B21" refString="Koehler, R, 1904. Ophiures de l'expedition du Siboga. Part 1. Ophiures de mer profonde. Weber, Siboga Expeditie. MEJ Brill, Leiden 45a: 1-176. https://doi.org/10.5962/bhl.title.11682" title="Ophiures de l'expedition du Siboga. Part 1. Ophiures de mer profonde. Weber, Siboga Expeditie. MEJ Brill, Leiden 45 a: 1 - 176." url="https://doi.org/10.5962/bhl.title.11682" year="1904">Koehler (1904)</bibRefCitation>
</td>
</tr>
<tr id="23FB42EACBEB33790B24A8DBED166765" pageId="0" pageNumber="155">
<td id="FB9B4954805C5ACE171A2C5D8A050780" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="70127A6D33C310FC6B3CD0AE7C16178B" authorityName="Koehler" authorityYear="1930" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca monitor" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="monitor">
<emphasis id="3B301BA727BB38D4E359205F2337BD2E" italics="true" pageId="0" pageNumber="155">Ophioplinthaca monitor</emphasis>
</taxonomicName>
Koehler, 1930
</td>
<td id="090FD05E154234ABE3B41B073AE33624" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 7 or 8</td>
<td id="7FB01BC9A63FDF6B64085499CC7A8CA3" colspan="1" pageId="0" pageNumber="155" rowspan="1">separated</td>
<td id="2AD0E5813295FB134FA908E76ADA4A53" colspan="1" pageId="0" pageNumber="155" rowspan="1">4 LOP, 1 VMT, distalmost one smaller</td>
<td id="72BB5470500A97BE35E10995BDBC789E" colspan="1" pageId="0" pageNumber="155" rowspan="1">1st pore 2, then 1, oval to rounded proximally and pointed distally</td>
<td id="3EB0AE3DC3F1A1B664B1E2BAD365A72C" colspan="1" pageId="0" pageNumber="155" rowspan="1">DAP on first 2 ASE contiguous, then separated, fan-shaped</td>
<td id="EE9CCD7C59914EDD775C77C3C45594B8" colspan="1" pageId="0" pageNumber="155" rowspan="1">DAS with conspicuously sparse thorny surface, VAS thorny</td>
<td id="92B478098E9A659E357D490B3E7DA513" colspan="1" pageId="0" pageNumber="155" rowspan="1">granules with thorny tip</td>
<td id="D52E951BAC093DBEF1A897B95A0D77C7" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<bibRefCitation id="89AAF0C49307539BC9ADEFC99F032F05" author="Koehler, R" journalOrPublisher="Videnskabelige Meddelelser fra Dansk naturhistorisk Forening" pageId="0" pageNumber="155" pagination="1 - 295" refId="B23" refString="Koehler, R, 1930. Ophiures recueillies par le Docteur Th. Mortensen dans les Mers d'Australie et dans l'Archipel Malais. Papers from Dr. Th. Mortensen's Pacific Expedition 1914-1916. LIV. Videnskabelige Meddelelser fra Dansk naturhistorisk Forening 89: 1 - 295" title="Ophiures recueillies par le Docteur Th. Mortensen dans les Mers d'Australie et dans l'Archipel Malais. Papers from Dr. Th. Mortensen's Pacific Expedition 1914 - 1916. LIV." volume="89" year="1930">Koehler (1930)</bibRefCitation>
,
<bibRefCitation id="FD1170F41EA606AC85F4FA690FF67ADD" author="O'Hara, TD" journalOrPublisher="Acta Oceanologica Sinica" pageId="0" pageNumber="155" publicationUrl="http://cat.inist.fr/?aModele=afficheN&amp;cpsidt=18965845" refId="B41" refString="O'Hara, TD, Stoehr, S, 2006. Deep water Ophiuroidea (Echinodermata) of New Caledonia: Ophiacanthidae and Hemieuryalidae. In: Richer de Forges B et al. (Eds) Tropical Deep-sea Benthos 24. Memoires du Museum national d'Histoire naturelle (1993), 33-141. http://cat.inist.fr/?aModele=afficheN&amp;cpsidt=18965845" title="Deep water Ophiuroidea (Echinodermata) of New Caledonia: Ophiacanthidae and Hemieuryalidae. In: Richer de Forges B et al. (Eds) Tropical Deep-sea Benthos 24. Memoires du Museum national d'Histoire naturelle (1993), 33 - 141." url="http://cat.inist.fr/?aModele=afficheN&amp;cpsidt=18965845" year="2006">
<normalizedToken id="94FA12A7AC06E8CF370767B6A868AE8D" originalValue="OHara">O'Hara</normalizedToken>
and
<normalizedToken id="C6712A7B55193E0C5AAE01C0090252EA" originalValue="Stöhr">Stoehr</normalizedToken>
(2006)
</bibRefCitation>
</td>
</tr>
<tr id="EFF25E277C91A4535890DD0863E748DF" pageId="0" pageNumber="155">
<td id="9CAEA854480D30556804D3B355F70CAE" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="B166E875C912C19C64371D677CEDEDFF" authorityName="H. L. Clark" authorityYear="1939" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca papillosa" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="papillosa">
<emphasis id="49F5DEDD83E4748CE4CD27B0175CF224" italics="true" pageId="0" pageNumber="155">Ophioplinthaca papillosa</emphasis>
</taxonomicName>
H. L. Clark, 1939
</td>
<td id="15BC63DE2BE75B17AD6BC43C72E33BA6" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 7</td>
<td id="4B1F0E55C2234BE933DF8B9864C38E1D" colspan="1" pageId="0" pageNumber="155" rowspan="1">separated, narrow</td>
<td id="F691472D42765A3852461E8ABDA9C186" colspan="1" pageId="0" pageNumber="155" rowspan="1">3-4 LOP, narrow, subequal, long, pointed, 1 VMT</td>
<td id="FD59D4DB76454CE0D5B665B73760BABB" colspan="1" pageId="0" pageNumber="155" rowspan="1">flat, moderately, large, pointed</td>
<td id="EA21518B9B49B0F8737A73A8DF5BFF47" colspan="1" pageId="0" pageNumber="155" rowspan="1">separated</td>
<td id="02F275433101F25ADAA99C38FCB6FA71" colspan="1" pageId="0" pageNumber="155" rowspan="1">
rough surface, DAS ≈ 3
<normalizedToken id="F06A9C386271FA43BF0361347209E084" originalValue="×">x</normalizedToken>
ASE, VAS ≈ 1
<normalizedToken id="AEEA8B6F6714F783E9FA6B1D21D91598" originalValue="×">x</normalizedToken>
ASE length
</td>
<td id="07AB666097CB30D78AED9CD0F3620493" colspan="1" pageId="0" pageNumber="155" rowspan="1">in disc center with long tip dividing into 2-3 thorns, at periphery with spinous tip</td>
<td id="C135B3D6EC0CF668936BEF109A880426" colspan="1" pageId="0" pageNumber="155" rowspan="1">
H. L.
<bibRefCitation id="890BCB19B8F46AEF0FF731C4814C3C4B" author="Clark, HL" journalOrPublisher="Memoirs of the Museum of comparative Zoology at Harvard College" pageId="0" pageNumber="155" refId="B10" refString="Clark, HL, 1939. Ophiuroidea. Scientific Reports from the John Murray Exp. 1933-34(6): 29-136." title="Ophiuroidea. Scientific Reports from the John Murray Exp. 1933 - 34 (6): 29 - 136." year="1939">Clark (1939)</bibRefCitation>
</td>
</tr>
<tr id="97D5718737C1E25515F86E450A71E0AA" pageId="0" pageNumber="155">
<td id="392307BFD193AA22C5B2E2B51C9852ED" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="83EE592F9361118C924E5A12B882C17B" baseAuthorityName="Lyman" baseAuthorityYear="1878" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca plicata" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="plicata">
<emphasis id="F993233F8333CBD45FCBE3A46211823E" italics="true" pageId="0" pageNumber="155">Ophioplinthaca plicata</emphasis>
</taxonomicName>
(Lyman, 1878)
</td>
<td id="0EA725CC85BB31C6BF04B71E1B199A08" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 8</td>
<td id="739526EA266CDB06EAC772ED2982D20C" colspan="1" pageId="0" pageNumber="155" rowspan="1">contiguous, L = 2-2.5W</td>
<td id="DD0F79B67D9D8EFF37004CBD6F787BEA" colspan="1" pageId="0" pageNumber="155" rowspan="1">3-5 LOP, 1-3 VMT, spiniform</td>
<td id="E2A5341CA7327E13A5757F0BD37A3A1B" colspan="1" pageId="0" pageNumber="155" rowspan="1">1st pore 2-3, curved inward, pointed round tip</td>
<td id="785EBE565539440C14FB26C188DE515A" colspan="1" pageId="0" pageNumber="155" rowspan="1">DAP contiguous, VAP separated</td>
<td id="DCECE7DA1634160B11ED31A80C0B2B9B" colspan="1" pageId="0" pageNumber="155" rowspan="1">thorny surface</td>
<td id="D5E0477D3386982D14C8526804CD6B46" colspan="1" pageId="0" pageNumber="155" rowspan="1">conical, cylindrical, finely rugose or rarely with few longer thorns</td>
<td id="3EFA07FF9D3B93073AA6AD6B7B7EF5E0" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<bibRefCitation id="C8E46892216DF1328E6E3C4AEAF7518B" author="Lyman, T" journalOrPublisher="Bulletin of the Museum of Comparative Zoology" pageId="0" pageNumber="155" refId="B30" refString="Lyman, T, 1878. Ophiuridae and Astrophytidae of the &quot;Challenger&quot; expedition. Part I. 5: Bulletin of the Museum of Comparative Zoology at Harvard College, Cambridge, Mass, 65-168." title="Ophiuridae and Astrophytidae of the &quot; Challenger &quot; expedition. Part I. 5: Bulletin of the Museum of Comparative Zoology at Harvard College, Cambridge, Mass, 65 - 168." year="1878">Lyman (1878</bibRefCitation>
,
<bibRefCitation id="42CDE70CDEF365902CFC37B03E87ED16" author="Lyman, T" journalOrPublisher="&quot; Challenger &quot;, Cambridge, Mass" pageId="0" pageNumber="155" refId="B32" refString="Lyman, T, 1882. Bulletin of the Museum of Comparative Zoology at Harvard College, Cambridge, Mass. Ophiuroidea. Scientific Reports. Results of the voyage of the H.M.S. &quot;Challenger&quot;, Cambridge, Mass" title="Bulletin of the Museum of Comparative Zoology at Harvard College, Cambridge, Mass. Ophiuroidea. Scientific Reports. Results of the voyage of the H. M. S." year="1882">1882</bibRefCitation>
),
<bibRefCitation id="F1C73FD87C23DB0AE98A31C3B8736E9A" DOI="https://doi.org/10.5962/bhl.title.11682" author="Koehler, R" journalOrPublisher="Annales des Sciences Naturelles Zoologie" pageId="0" pageNumber="155" refId="B21" refString="Koehler, R, 1904. Ophiures de l'expedition du Siboga. Part 1. Ophiures de mer profonde. Weber, Siboga Expeditie. MEJ Brill, Leiden 45a: 1-176. https://doi.org/10.5962/bhl.title.11682" title="Ophiures de l'expedition du Siboga. Part 1. Ophiures de mer profonde. Weber, Siboga Expeditie. MEJ Brill, Leiden 45 a: 1 - 176." url="https://doi.org/10.5962/bhl.title.11682" year="1904">Koehler (1904)</bibRefCitation>
,
<bibRefCitation id="47DA2DDC2BD356EA9B2DED8912A3F0BC" author="O'Hara, TD" journalOrPublisher="Acta Oceanologica Sinica" pageId="0" pageNumber="155" publicationUrl="http://cat.inist.fr/?aModele=afficheN&amp;cpsidt=18965845" refId="B41" refString="O'Hara, TD, Stoehr, S, 2006. Deep water Ophiuroidea (Echinodermata) of New Caledonia: Ophiacanthidae and Hemieuryalidae. In: Richer de Forges B et al. (Eds) Tropical Deep-sea Benthos 24. Memoires du Museum national d'Histoire naturelle (1993), 33-141. http://cat.inist.fr/?aModele=afficheN&amp;cpsidt=18965845" title="Deep water Ophiuroidea (Echinodermata) of New Caledonia: Ophiacanthidae and Hemieuryalidae. In: Richer de Forges B et al. (Eds) Tropical Deep-sea Benthos 24. Memoires du Museum national d'Histoire naturelle (1993), 33 - 141." url="http://cat.inist.fr/?aModele=afficheN&amp;cpsidt=18965845" year="2006">
<normalizedToken id="D7975DF1E339BC98872BECA1245997F4" originalValue="OHara">O'Hara</normalizedToken>
and
<normalizedToken id="DB2A448A2E9BD4403081EAF1610D5C15" originalValue="Stöhr">Stoehr</normalizedToken>
(2006)
</bibRefCitation>
</td>
</tr>
<tr id="C4301AD8F3DC4710E72369D4E88E2B22" pageId="0" pageNumber="155">
<td id="E4C5BF02F9D54DA62F4608AE9E8FDEB5" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="17C964C5FC049779B401754A03D11BD4" authorityName="Koehler" authorityYear="1904" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca pulchra" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="pulchra">
<emphasis id="D98504E8D3C87C1C46EE365B882482B9" italics="true" pageId="0" pageNumber="155">Ophioplinthaca pulchra</emphasis>
</taxonomicName>
Koehler, 1904
</td>
<td id="DB542EF5D95385F4ED40E4CA87642317" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 7</td>
<td id="2090042BAE73C6A894B370E457330B5F" colspan="1" pageId="0" pageNumber="155" rowspan="1">separated proximally, connected distally</td>
<td id="AC2B9F97AB00E34BA08035685F1D8DD1" colspan="1" pageId="0" pageNumber="155" rowspan="1">4 LOP, 1 VMT</td>
<td id="BE76DFC48BA0E142F0D1D9354F43184E" colspan="1" pageId="0" pageNumber="155" rowspan="1">leaf-like</td>
<td id="12F454AB1E4DE03E2A1E051E573C5FF5" colspan="1" pageId="0" pageNumber="155" rowspan="1">first two VAP contiguous, then separated, DAP contiguous</td>
<td id="8A850A5DD4BA01F23952377CA72DE11B" colspan="1" pageId="0" pageNumber="155" rowspan="1">thorny, rugose surface, uppermost DAS longest</td>
<td id="A39951BCF20A4104514C1A657755AB3B" colspan="1" pageId="0" pageNumber="155" rowspan="1">cylindrical with thorny tip in center, at periphery smaller and conical</td>
<td id="4FF1A10F97555BD31FEE10723938149C" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<bibRefCitation id="5EB15C620BFC37D4D41C863702F2F599" DOI="https://doi.org/10.5962/bhl.title.11682" author="Koehler, R" journalOrPublisher="Annales des Sciences Naturelles Zoologie" pageId="0" pageNumber="155" refId="B21" refString="Koehler, R, 1904. Ophiures de l'expedition du Siboga. Part 1. Ophiures de mer profonde. Weber, Siboga Expeditie. MEJ Brill, Leiden 45a: 1-176. https://doi.org/10.5962/bhl.title.11682" title="Ophiures de l'expedition du Siboga. Part 1. Ophiures de mer profonde. Weber, Siboga Expeditie. MEJ Brill, Leiden 45 a: 1 - 176." url="https://doi.org/10.5962/bhl.title.11682" year="1904">Koehler (1904</bibRefCitation>
,
<bibRefCitation id="00D8940C9FC52AAE915B78CD1A5857B9" author="Koehler, R" journalOrPublisher="Bulletin of the American Museum of Natural History" pageId="0" pageNumber="155" pagination="1 - 480" publicationUrl="https://www.biodiversitylibrary.org/item/77301" refId="B22" refString="Koehler, R, 1922. Ophiurans of the Philippine seas and adjacent waters. Bulletin of the American Museum of Natural History 5: 1 - 480, https://www.biodiversitylibrary.org/item/77301" title="Ophiurans of the Philippine seas and adjacent waters." url="https://www.biodiversitylibrary.org/item/77301" volume="5" year="1922">1922</bibRefCitation>
),
<bibRefCitation id="E5618DC76E2C665318F48C0AC2FE1911" author="O'Hara, TD" journalOrPublisher="Acta Oceanologica Sinica" pageId="0" pageNumber="155" publicationUrl="http://cat.inist.fr/?aModele=afficheN&amp;cpsidt=18965845" refId="B41" refString="O'Hara, TD, Stoehr, S, 2006. Deep water Ophiuroidea (Echinodermata) of New Caledonia: Ophiacanthidae and Hemieuryalidae. In: Richer de Forges B et al. (Eds) Tropical Deep-sea Benthos 24. Memoires du Museum national d'Histoire naturelle (1993), 33-141. http://cat.inist.fr/?aModele=afficheN&amp;cpsidt=18965845" title="Deep water Ophiuroidea (Echinodermata) of New Caledonia: Ophiacanthidae and Hemieuryalidae. In: Richer de Forges B et al. (Eds) Tropical Deep-sea Benthos 24. Memoires du Museum national d'Histoire naturelle (1993), 33 - 141." url="http://cat.inist.fr/?aModele=afficheN&amp;cpsidt=18965845" year="2006">
<normalizedToken id="B1AA6CE6CDDE6EE3A47DF4E575BC5A74" originalValue="OHara">O'Hara</normalizedToken>
and
<normalizedToken id="65CEFC28694D4F2938F9CBE35F9E066D" originalValue="Stöhr">Stoehr</normalizedToken>
(2006)
</bibRefCitation>
</td>
</tr>
<tr id="09983B221B7A5DB1C3D3FD54173CE09B" pageId="0" pageNumber="155">
<td id="A16F965A5D8557CD6374BA2AC1C5E479" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="56878497B6D12D2651D3137D4689C64A" baseAuthorityName="Koehler" baseAuthorityYear="1897" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca rudis" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="rudis">
<emphasis id="6ADC3CCDC3288F5D43A0E3C7E27D6F55" italics="true" pageId="0" pageNumber="155">Ophioplinthaca rudis</emphasis>
</taxonomicName>
(Koehler, 1897)
</td>
<td id="124EE89A0D79A5FEAF33C630C08D3AE3" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 5</td>
<td id="AC1529387BC65F27AB4556897A577438" colspan="1" pageId="0" pageNumber="155" rowspan="1">completely separated or distally connected</td>
<td id="6B98A245C710BDF6599EE37048A878C9" colspan="1" pageId="0" pageNumber="155" rowspan="1">5-6 LOP, spiniform, 1 VMT</td>
<td id="55B41035A193E1FA9A424C48FEF63D00" colspan="1" pageId="0" pageNumber="155" rowspan="1">leaf-like</td>
<td id="B6A3765235AE5762A951254A0D9B4EA4" colspan="1" pageId="0" pageNumber="155" rowspan="1">DAP contiguous or separated, VAP widely separated</td>
<td id="DDA8F1AAE3D4594CFAD3E285B8F1C140" colspan="1" pageId="0" pageNumber="155" rowspan="1">finely thorny</td>
<td id="48ED51F7C302D311EAB5A994F7B83F57" colspan="1" pageId="0" pageNumber="155" rowspan="1">long spines with smooth surface</td>
<td id="2C56EC841490C940CE533C191D36645B" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<bibRefCitation id="0D51DB425D745B797848CF71C8D94F98" author="Koehler, R" journalOrPublisher="Annales des Sciences Naturelles Zoologie" pageId="0" pageNumber="155" pagination="277 - 372" publicationUrl="https://biodiversitylibrary.org/page/35663130" refId="B20" refString="Koehler, R, 1897. Echinodermes recueillis par &quot;l'Investigator&quot; dans l'Ocean Indien. I. Les Ophiures de mer profonde. Annales des Sciences Naturelles Zoologie 8: 277 - 372, https://biodiversitylibrary.org/page/35663130" title="Echinodermes recueillis par &quot; l'Investigator &quot; dans l'Ocean Indien. I. Les Ophiures de mer profonde." url="https://biodiversitylibrary.org/page/35663130" volume="8" year="1897">Koehler (1897)</bibRefCitation>
,
<bibRefCitation id="A4F720994058E06CEA5B103452457488" author="O'Hara, TD" journalOrPublisher="Acta Oceanologica Sinica" pageId="0" pageNumber="155" publicationUrl="http://cat.inist.fr/?aModele=afficheN&amp;cpsidt=18965845" refId="B41" refString="O'Hara, TD, Stoehr, S, 2006. Deep water Ophiuroidea (Echinodermata) of New Caledonia: Ophiacanthidae and Hemieuryalidae. In: Richer de Forges B et al. (Eds) Tropical Deep-sea Benthos 24. Memoires du Museum national d'Histoire naturelle (1993), 33-141. http://cat.inist.fr/?aModele=afficheN&amp;cpsidt=18965845" title="Deep water Ophiuroidea (Echinodermata) of New Caledonia: Ophiacanthidae and Hemieuryalidae. In: Richer de Forges B et al. (Eds) Tropical Deep-sea Benthos 24. Memoires du Museum national d'Histoire naturelle (1993), 33 - 141." url="http://cat.inist.fr/?aModele=afficheN&amp;cpsidt=18965845" year="2006">
<normalizedToken id="D30E9FF84CAEFA058C990BF17A56367A" originalValue="OHara">O'Hara</normalizedToken>
and
<normalizedToken id="512BBA05F0DCE2F9D44AD5194927B1AD" originalValue="Stöhr">Stoehr</normalizedToken>
(2006)
</bibRefCitation>
</td>
</tr>
<tr id="58FBF6BB851AB585C4CB02760E160938" pageId="0" pageNumber="155">
<td id="6343E76FF3893C30FD49E9D454CB17C0" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="8A5D182B95E3A6CB033D80A7C3DC8AAC" baseAuthorityName="Lyman" baseAuthorityYear="1878" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca sarsii" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="sarsii">
<emphasis id="2F18279FC88926AB8B65E6BF2A8E23EF" italics="true" pageId="0" pageNumber="155">Ophioplinthaca sarsii</emphasis>
</taxonomicName>
(Lyman, 1878)
</td>
<td id="724CF40C4917E8226FDD64AF3C13447B" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 8</td>
<td id="FE6635B879CC02B19682B3209619836E" colspan="1" pageId="0" pageNumber="155" rowspan="1">separated</td>
<td id="1E9E9ABC70983A83D6820E1E29B18FBB" colspan="1" pageId="0" pageNumber="155" rowspan="1">3 LOP small, pointed, 1 VMT</td>
<td id="51975865C8AC7451080174FA7F451AAC" colspan="1" pageId="0" pageNumber="155" rowspan="1">flat, tapering, jagged</td>
<td id="321FB81CE10D192282B716BCF4CBAF21" colspan="1" pageId="0" pageNumber="155" rowspan="1">DAP, VAP separated</td>
<td id="0056B690C4D055FB020633F15E6F7069" colspan="1" pageId="0" pageNumber="155" rowspan="1">stout, cylindrical, glassy, blunt, very thorny</td>
<td id="EDAB56FEF97405A839E957430C327B06" colspan="1" pageId="0" pageNumber="155" rowspan="1">smooth cylindrical</td>
<td id="CA6AC283383631609E083B046CDF8F56" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<bibRefCitation id="02ED89D3187B1D59DFB594045C1DFA4F" author="Lyman, T" journalOrPublisher="Bulletin of the Museum of Comparative Zoology" pageId="0" pageNumber="155" refId="B30" refString="Lyman, T, 1878. Ophiuridae and Astrophytidae of the &quot;Challenger&quot; expedition. Part I. 5: Bulletin of the Museum of Comparative Zoology at Harvard College, Cambridge, Mass, 65-168." title="Ophiuridae and Astrophytidae of the &quot; Challenger &quot; expedition. Part I. 5: Bulletin of the Museum of Comparative Zoology at Harvard College, Cambridge, Mass, 65 - 168." year="1878">Lyman (1878)</bibRefCitation>
</td>
</tr>
<tr id="D1B325BF9AACA6ACD2A7E461669B44C4" pageId="0" pageNumber="155">
<td id="2AF4216254155003BBB36B2AF4800DDB" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="D383C62888E974310D3EABEE3072096A" baseAuthorityName="A. H Clark" baseAuthorityYear="1949" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca semele" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="semele">
<emphasis id="2D702EE5B5B1BAF887D43FFB57AA99B4" italics="true" pageId="0" pageNumber="155">Ophioplinthaca semele</emphasis>
</taxonomicName>
(A.H. Clark, 1949)
</td>
<td id="43A851A9DC87E99B733BCD0A295405D9" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 7</td>
<td id="7B6C22891DB4FB22E54BCDC59328E240" colspan="1" pageId="0" pageNumber="155" rowspan="1">
separated proximally, connected in distally, L ≈
<normalizedToken id="D733E8439168D5B5A583DA80D42A62A0" originalValue="2½">21/2</normalizedToken>
-3W
</td>
<td id="C45BD1786D65777D999F605051477D12" colspan="1" pageId="0" pageNumber="155" rowspan="1">5 LOP, pointed, flatted, ill-defined, 1 VMT</td>
<td id="97493EEF74E31049DA5DE3A79DA9F714" colspan="1" pageId="0" pageNumber="155" rowspan="1">1st pore 3 or rarely 5, 2nd pore 2-3, 3rd pore 2, then one, large, pointed tip</td>
<td id="FA0A7E6A61FF75B8E15D0969BBC58D02" colspan="1" pageId="0" pageNumber="155" rowspan="1">VAP in first 1-2 ASE contiguous, then separated, DAP separated</td>
<td id="3638A75A8965C1043B4CE95F3992237C" colspan="1" pageId="0" pageNumber="155" rowspan="1">long, slender, DAS with conspicuous thorns, VAS thorny surface</td>
<td id="B9DD028B13194385DE1E7C1333C58A48" colspan="1" pageId="0" pageNumber="155" rowspan="1">short, stout, with thorny tip, or 3 thorns, at periphery smooth spines without thorns</td>
<td id="4D8819C1F0BB2AF90CDA5C52FCA71EAB" colspan="1" pageId="0" pageNumber="155" rowspan="1">
A. H.
<bibRefCitation id="F2976586F65B2BC97E4A09B971DCF8C4" author="Clark, AH" journalOrPublisher="Bishop Museum" pageId="0" pageNumber="155" pagination="3 - 133" refId="B11" refString="Clark, AH, 1949. Ophiuroidea of the Hawaiian Islands. Bulletin of the Bernice P. Bishop Museum 195: 3 - 133" title="Ophiuroidea of the Hawaiian Islands. Bulletin of the Bernice P." volume="195" year="1949">Clark (1949)</bibRefCitation>
,
<bibRefCitation id="8BC81378700DEA5FBF1748BFA2F09C1A" DOI="https://doi.org/10.7717/peerj.11566" author="Chen, W" journalOrPublisher="Ecology and Evolution" pageId="0" pageNumber="155" refId="B2" refString="Chen, W, Na, J, Zhang, D, 2021a. Description of three species of ophioplinthacids, including a new species, from a deep seamount in the Northwest Pacific Ocean. PeerJ. https://doi.org/10.7717/peerj.11566" title="Description of three species of ophioplinthacids, including a new species, from a deep seamount in the Northwest Pacific Ocean. PeerJ." url="https://doi.org/10.7717/peerj.11566" year="2021 a">Chen et al. (2021a)</bibRefCitation>
, this study
</td>
</tr>
<tr id="E94DA58BF7852CE9735DA6C6278D37C9" pageId="0" pageNumber="155">
<td id="F0FEF90B9E5FF70BEEC89B2BA9AEDF17" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="259728BCC6A026C39CCEE2B2D36783D1" authorityName="Mortensen" authorityYear="1933" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca sexradia" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="sexradia">
<emphasis id="625F9A5DBAEE915C95AD3869B528C740" italics="true" pageId="0" pageNumber="155">Ophioplinthaca sexradia</emphasis>
</taxonomicName>
Mortensen, 1933
</td>
<td id="BC8C6294CD3A7B2A24779716D8A1D055" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 4</td>
<td id="1105617EE74B371359CBA67A13FFD48F" colspan="1" pageId="0" pageNumber="155" rowspan="1">separated proximally, connected distally</td>
<td id="E22642BE9CFA0DA26A3BE75F16152D89" colspan="1" pageId="0" pageNumber="155" rowspan="1">3 LOP, 1 VMT</td>
<td id="42CD17056D2F6BAD68C64318B1AF6809" colspan="1" pageId="0" pageNumber="155" rowspan="1">small, leaf-like</td>
<td id="AA6B4E5667071427078858F1E0676BD1" colspan="1" pageId="0" pageNumber="155" rowspan="1">separated, small</td>
<td id="EEA18F12DAD404DC6E8C4065379A44E4" colspan="1" pageId="0" pageNumber="155" rowspan="1">small, thick base</td>
<td id="056D339A64DB66E3AE837E7D0A3F9D32" colspan="1" pageId="0" pageNumber="155" rowspan="1">irregular scales with conical tubercles</td>
<td id="EF551841E578BF695D8A72342AEB928C" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<bibRefCitation id="D0781999137ED595C759561AAE7598A5" author="Mortensen, T" journalOrPublisher="Journal of the College of Science, Imperial University, Tokyo" pageId="0" pageNumber="155" refId="B38" refString="Mortensen, T, 1933. Echinoderms of South Africa (Asteroidea and Ophiuroidea) Papers from Dr. Th. Mortensen's Pacific Expedition 1914-16. Videnskabelige Meddelelser fra Dansk naturhistorisk Forening 93 65: 215-400." title="Echinoderms of South Africa (Asteroidea and Ophiuroidea) Papers from Dr. Th. Mortensen's Pacific Expedition 1914 - 16. Videnskabelige Meddelelser fra Dansk naturhistorisk Forening 93 65: 215 - 400." year="1933">Mortensen (1933)</bibRefCitation>
</td>
</tr>
<tr id="8E72E15056EECAA21D97D779E4EF6376" pageId="0" pageNumber="155">
<td id="407266368356B17E40342DBAFBFB6A5E" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="E068565B7945F01580A5D80A145FA516" authorityName="H. L. Clark" authorityYear="1900" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca spinissima" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="spinissima">
<emphasis id="5E07D212DA808B8408F88ED862A970C3" italics="true" pageId="0" pageNumber="155">Ophioplinthaca spinissima</emphasis>
</taxonomicName>
H. L. Clark, 1900
</td>
<td id="409A90D5AD3A37C4AC1017535202A41A" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 9</td>
<td id="782F5FEA3993A5BA6A163EEF4A0CD7EC" colspan="1" pageId="0" pageNumber="155" rowspan="1">separated proximally, connected in distally, longer than wide</td>
<td id="E6E197BA096D260DFB623F7A79A3AA09" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 5-7 LOP, spiniform, 1VMT</td>
<td id="26EC11B6350803BDE428CDB8020F33FE" colspan="1" pageId="0" pageNumber="155" rowspan="1">1st pore one or divided into two, then more pointed distalwards along arm</td>
<td id="63D4C58C074C3416BE06E820BCB78313" colspan="1" pageId="0" pageNumber="155" rowspan="1">DAP widely separated</td>
<td id="4E0F17206453151A76ED0010496F9AAA" colspan="1" pageId="0" pageNumber="155" rowspan="1">thorny surface</td>
<td id="A18235ADE3111E8285A60CA3B162ECC8" colspan="1" pageId="0" pageNumber="155" rowspan="1">spine with thorny tip, or 3 thorns, at periphery smooth spines without thorns, tip relatively flat with thorns</td>
<td id="5327ABA0D0588593E2D7DCE0A07CBC43" colspan="1" pageId="0" pageNumber="155" rowspan="1">
H. L.
<bibRefCitation id="F95AECE502E3CC62C8AF5105BCA81834" author="Clark, HL" journalOrPublisher="Fisheries Commission" pageId="0" pageNumber="155" pagination="233 - 263" publicationUrl="https://www.biodiversitylibrary.org/page/53676098" refId="B7" refString="Clark, HL, 1900. The Echinoderms of Porto Rico. Bulletin of the U.S. Fisheries Commission 20: 233 - 263, https://www.biodiversitylibrary.org/page/53676098" title="The Echinoderms of Porto Rico. Bulletin of the U. S." url="https://www.biodiversitylibrary.org/page/53676098" volume="20" year="1900">Clark (1900)</bibRefCitation>
</td>
</tr>
<tr id="29A0E7AA0135F56196AB7D308F42A4BB" pageId="0" pageNumber="155">
<td id="55EF59DD7B789C39BA1119B3CA8D3127" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="8E731F3547934D58C1E76332924F81FB" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="genus">
<emphasis id="2AC0F3DD84A5854827190FBB7218300E" italics="true" pageId="0" pageNumber="155">Ophioplinthaca</emphasis>
</taxonomicName>
sp.
</td>
<td id="D0DFD8458F4B1E68BC1B1AAD93AA5CE8" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 6</td>
<td id="39B1EADF0B4FB1BC90A1944D9D12D1D7" colspan="1" pageId="0" pageNumber="155" rowspan="1">contiguous, distally convex, proximally triangular L = 2W</td>
<td id="2FD8C97F9C2FFA4961FCF8673A3B33CF" colspan="1" pageId="0" pageNumber="155" rowspan="1">4-5 LOP, pointed, elongated, slightly flattened distal end, 1 VMT large, slightly longer than LOP</td>
<td id="D81C580C50B0DFAB8326CC2DB657FC42" colspan="1" pageId="0" pageNumber="155" rowspan="1">1st pore 1-2, then 1, leaf-like, but along arm narrower, thorny, pointed; as long asVAP</td>
<td id="A93EAD71573BCC2B83C41D15D3EE8793" colspan="1" pageId="0" pageNumber="155" rowspan="1">both VAP and DAP widely separated</td>
<td id="74C6106CB020CEEEB16C1CE9CE11CA5D" colspan="1" pageId="0" pageNumber="155" rowspan="1">DAS has conspicuous lateral thorns; VAS with thorny surface</td>
<td id="3A7A0F746DA153F1F71AF316478897F1" colspan="1" pageId="0" pageNumber="155" rowspan="1">disc center: conical or short cylindrical spines, when cylindrical with two sub-thorns; at periphery smooth, conical or short, cylindrical, finely rugose to smooth</td>
<td id="883EB2A3E1851D92EF2770696B76D0E2" colspan="1" pageId="0" pageNumber="155" rowspan="1">this study</td>
</tr>
<tr id="D775E4F7796213D55F7E1492B83AFCE1" pageId="0" pageNumber="155">
<td id="B022D86453E62D94E2EB9F148A6E4757" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="8592A58F4625434F76EA13265331588D" authorityName="H. L. Clark" authorityYear="1939" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca tylota" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="tylota">
<emphasis id="594E5675CAC6304F35B3378183589272" italics="true" pageId="0" pageNumber="155">Ophioplinthaca tylota</emphasis>
</taxonomicName>
H. L. Clark, 1939
</td>
<td id="301779965548237685ECDDE1D152651F" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 6</td>
<td id="8CF49C7044B7FB07292DFE4E92087B2C" colspan="1" pageId="0" pageNumber="155" rowspan="1">separated proximally, connected distally</td>
<td id="054ABAD4A2D0413473A0CAD54D9C7104" colspan="1" pageId="0" pageNumber="155" rowspan="1">4 LOP, narrow, equal, long, pointed, 1 VMT</td>
<td id="7732DF13E73B5601CD055E76E6759D8E" colspan="1" pageId="0" pageNumber="155" rowspan="1">very thick, heavy, smooth but increasingly flatter along arm, smaller, very thorny</td>
<td id="332E269FA778B95B4E001D83D9167479" colspan="1" pageId="0" pageNumber="155" rowspan="1">first and second DAP contiguous, then separated, VAP separated</td>
<td id="13D2AA418AC4B4DF6FEC418F9C9B86C1" colspan="1" pageId="0" pageNumber="155" rowspan="1">
thorny spine, DAS with conspicuous thorns, DAS ≈ 3
<normalizedToken id="9755F262397E2E53C928A5CB206F4449" originalValue="×">x</normalizedToken>
ASE, VAS ≈ 1
<normalizedToken id="3405F33F04B689D376494FC46F55796B" originalValue="×">x</normalizedToken>
ASE length
</td>
<td id="24CE943A7B6DEF8CE05E7F406F94F055" colspan="1" pageId="0" pageNumber="155" rowspan="1">smooth, rounded spine</td>
<td id="E8C362D33EE562D9F242EAA4B64F8D57" colspan="1" pageId="0" pageNumber="155" rowspan="1">
H. L.
<bibRefCitation id="2C4FE410AF2700AEB9B370F0F4BD6DA3" author="Clark, HL" journalOrPublisher="Memoirs of the Museum of comparative Zoology at Harvard College" pageId="0" pageNumber="155" refId="B10" refString="Clark, HL, 1939. Ophiuroidea. Scientific Reports from the John Murray Exp. 1933-34(6): 29-136." title="Ophiuroidea. Scientific Reports from the John Murray Exp. 1933 - 34 (6): 29 - 136." year="1939">Clark (1939)</bibRefCitation>
</td>
</tr>
<tr id="DC338D9DC955FA149B0778C3BB686193" pageId="0" pageNumber="155">
<td id="838B7222A6A5FEB4F8AD7C4F94492727" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<taxonomicName id="EC60401E7D80E6A47EB5730AE44D4D56" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca webri" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="webri">
<emphasis id="EE683B903DEEFD6DB6C6BB15195EB311" italics="true" pageId="0" pageNumber="155">Ophioplinthaca webri</emphasis>
</taxonomicName>
(Koehler, 1904)
</td>
<td id="F218B401F43E6A874DBF2F87B0D584BF" colspan="1" pageId="0" pageNumber="155" rowspan="1">up to 7</td>
<td id="AA3EA8BC0BE3E3CF1E12F52EC636C7D1" colspan="1" pageId="0" pageNumber="155" rowspan="1">separated proximally, connected distally</td>
<td id="4BF0C205C141D248665F047ED453CBA1" colspan="1" pageId="0" pageNumber="155" rowspan="1">4 LOP, narrow, equal, long, pointed, 1 large VMT</td>
<td id="EDCA9CA114CB147FD86B5A76ADE714E3" colspan="1" pageId="0" pageNumber="155" rowspan="1">1st pore 2-3, then 1, elongated</td>
<td id="955E847C8F5ECE10D1C8F136ECF80A85" colspan="1" pageId="0" pageNumber="155" rowspan="1">DAP and VAP contiguous</td>
<td id="8E856C9675BF79EF2294CE5AD4CE91CE" colspan="1" pageId="0" pageNumber="155" rowspan="1">-</td>
<td id="60C30EB211130EBF99DD24F7AA43F295" colspan="1" pageId="0" pageNumber="155" rowspan="1">-</td>
<td id="6EB74F13604F6055DA4EE991BE178DBC" colspan="1" pageId="0" pageNumber="155" rowspan="1">
<bibRefCitation id="02E286C1301179A5E516E0BF624F4461" DOI="https://doi.org/10.5962/bhl.title.11682" author="Koehler, R" journalOrPublisher="Annales des Sciences Naturelles Zoologie" pageId="0" pageNumber="155" refId="B21" refString="Koehler, R, 1904. Ophiures de l'expedition du Siboga. Part 1. Ophiures de mer profonde. Weber, Siboga Expeditie. MEJ Brill, Leiden 45a: 1-176. https://doi.org/10.5962/bhl.title.11682" title="Ophiures de l'expedition du Siboga. Part 1. Ophiures de mer profonde. Weber, Siboga Expeditie. MEJ Brill, Leiden 45 a: 1 - 176." url="https://doi.org/10.5962/bhl.title.11682" year="1904">Koehler (1904)</bibRefCitation>
</td>
</tr>
</table>
</paragraph>
<paragraph id="EC586519276C02C1DC36E34D68C60A6F" pageId="0" pageNumber="155">
Some species share morphological characters with the new species.
<taxonomicName id="2B4545C30D485503137D4D9AAC89B5D7" authorityName="Koehler" authorityYear="1922" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca globata" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="globata">
<emphasis id="D51FAFB1D18EE6A7B892CD099687039B" italics="true" pageId="0" pageNumber="155">Ophioplinthaca globata</emphasis>
</taxonomicName>
Koehler, 1922 is similar to
<taxonomicName id="625145ADB034D840038BC6DF9A1061CF" lsidName="O. brachispina" pageId="0" pageNumber="155" rank="species" species="brachispina">
<emphasis id="1DAF7894C9BBB1AAA6D820180BD17250" italics="true" pageId="0" pageNumber="155">O. brachispina</emphasis>
</taxonomicName>
sp. nov. by having similar disc spine shape, arm spine shape, radial shields separated proximally and connected distally, number of lateral oral papillae, and separated ventral and dorsal arm plates, but differs by number of arm spines (up to six), the disc spines being scattered across the disc, radial shields separated by disc scales, characters of the oral shield, and a smooth surface on the arm plates along the entire arm.
<taxonomicName id="881D32F31B78772E2EA0F924E1EF49E6" authorityName="Koehler" authorityYear="1922" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca hastata" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="hastata">
<emphasis id="C4F67F1AA5C017F0CFF1C0FD300A0CC4" italics="true" pageId="0" pageNumber="155">Ophioplinthaca hastata</emphasis>
</taxonomicName>
Koehler, 1922 is similar to
<taxonomicName id="0C94FA5A97BF40ADBE66AB463DD2F77A" lsidName="O. brachispina" pageId="0" pageNumber="155" rank="species" species="brachispina">
<emphasis id="1A589E6C25F97C367BA7076AA30EB4AE" italics="true" pageId="0" pageNumber="155">O. brachispina</emphasis>
</taxonomicName>
sp. nov. by having a slightly similar shape of the disc spines, separated dorsal and ventral arm plates, and similar tentacle scales on the distal end of the arm, but differs by number of arm spines (up to seven) and shape of dorsal arm spines, size of radial shields, characters of oral parts, and smooth arm surface.
<taxonomicName id="0E9B63D1515130ADDFEEFFD96EC75375" authorityName="A. H Clark" authorityYear="1949" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca athena" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="athena">
<emphasis id="2E26C365E30ED6D940FF8E492A66999B" italics="true" pageId="0" pageNumber="155">Ophioplinthaca athena</emphasis>
</taxonomicName>
A.H. Clark, 1949 is similar to
<taxonomicName id="7C564DEF7A6DAC805E9FA6CFEB3A55BF" lsidName="O. brachispina" pageId="0" pageNumber="155" rank="species" species="brachispina">
<emphasis id="9AA881CF271381EE15DF9B1EC2007423" italics="true" pageId="0" pageNumber="155">O. brachispina</emphasis>
</taxonomicName>
sp. nov. by having similar disc spines with thorny tip, similar number of arm spines, separated radial shields, number of lateral oral papillae, but differs by large radial shields, thorny and leaf-like tentacle scales, separated dorsal and ventral arm plates.
<taxonomicName id="2072D275A2A4902DFC1B881611EC55B0" authorityName="O'Hara &amp; Stoehr" authorityYear="2006" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca amezianeae" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="amezianeae">
<emphasis id="9A2372A85B9E764F7BB5DE6B91EB421A" italics="true" pageId="0" pageNumber="155">Ophioplinthaca amezianeae</emphasis>
</taxonomicName>
<normalizedToken id="7648EB5689AC78954F1369467E86A388" originalValue="OHara">O'Hara</normalizedToken>
&amp;
<normalizedToken id="DC1AC778857564FA9DAA51F5F7547A99" originalValue="Stöhr">Stoehr</normalizedToken>
, 2006 is similar to
<taxonomicName id="1C73D3D4C3314CC0052E673E61F17B83" lsidName="O. brachispina" pageId="0" pageNumber="155" rank="species" species="brachispina">
<emphasis id="E9EADB628CE279B349280D13491103C0" italics="true" pageId="0" pageNumber="155">O. brachispina</emphasis>
</taxonomicName>
sp. nov. by having similar thorny tentacle scales, separated radial shields, separated dorsal and ventral arm plates, number of lateral oral papillae, but differs by number of arm spines, tall and thorny disc spines, and spiniform lateral oral papillae.
<taxonomicName id="4FF973AB8058979CA3B5001537A6D2C6" baseAuthorityName="H. L. Clark" baseAuthorityYear="1911" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca bythiaspis" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="bythiaspis">
<emphasis id="FA5F1E2581C9BDB990BDD2B65CEEF9F8" italics="true" pageId="0" pageNumber="155">Ophioplinthaca bythiaspis</emphasis>
</taxonomicName>
(H. L. Clark, 1911) is similar to
<taxonomicName id="2D0FF24B1FBA2AD26D891C508EAE7DCE" lsidName="O. brachispina" pageId="0" pageNumber="155" rank="species" species="brachispina">
<emphasis id="EC077314E90E700124809D1BAE50E574" italics="true" pageId="0" pageNumber="155">O. brachispina</emphasis>
</taxonomicName>
sp. nov. by having separated radial shields and number of lateral oral papillae, but differs by oval tentacle scales, conical disc spines, number of arm spines and contiguous dorsal arm plates.
<taxonomicName id="79707737B3B1166AB068222748EA8A2A" authorityName="John &amp; A. M. Clark" authorityYear="1954" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca grenadensis" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="grenadensis">
<emphasis id="D98B6A8D1B58BB3636B3C08D1309C6E9" italics="true" pageId="0" pageNumber="155">Ophioplinthaca grenadensis</emphasis>
</taxonomicName>
John &amp; A. M. Clark, 1954 is similar to
<taxonomicName id="7CD542A9FBAC22BDFAE19BFD7A75E60F" lsidName="O. brachispina" pageId="0" pageNumber="155" rank="species" species="brachispina">
<emphasis id="EEC8B868F251B9299775753E44B2A046" italics="true" pageId="0" pageNumber="155">O. brachispina</emphasis>
</taxonomicName>
sp. nov. by having similar number of arm spines, separated radial shields, number of lateral oral papillae, and separated arm plates but differs by leaf-like thornless tentacle scales, long and thick disc spines.
<taxonomicName id="1C3DC8117989C3C3623A38FA3A9BF6D3" baseAuthorityName="Lyman" baseAuthorityYear="1878" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca plicata" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="plicata">
<emphasis id="CCD7C83E34C5D5DD0F6A2DA7B45CB6DD" italics="true" pageId="0" pageNumber="155">Ophioplinthaca plicata</emphasis>
</taxonomicName>
(Lyman, 1878) is similar to
<taxonomicName id="6238319A3BEA1D67055FC6B779D75057" lsidName="O. brachispina" pageId="0" pageNumber="155" rank="species" species="brachispina">
<emphasis id="BB169AAA17B72399576AC5F0C352D69D" italics="true" pageId="0" pageNumber="155">O. brachispina</emphasis>
</taxonomicName>
sp. nov. by having similar disc and arm spines, and number of lateral oral papillae, but differs by continues dorsal arm plates, pointed tentacle scale with rounded base, and contiguous radial shields.
<taxonomicName id="F42FCCAADD9598D84CCAA3D65CC90D7E" baseAuthorityName="Koehler" baseAuthorityYear="1897" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca rudis" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="rudis">
<emphasis id="25336B88547E1FFC2D250C4CE0CC163F" italics="true" pageId="0" pageNumber="155">Ophioplinthaca rudis</emphasis>
</taxonomicName>
(Koehler, 1897) is similar to
<taxonomicName id="F4B1DF6339CC8AD8676C2BAB9C32499C" lsidName="O. brachispina" pageId="0" pageNumber="155" rank="species" species="brachispina">
<emphasis id="E636A13853DD6A1104D4225D0CAE9C7A" italics="true" pageId="0" pageNumber="155">O. brachispina</emphasis>
</taxonomicName>
sp. nov. by having similar thorny leaf-like tentacle scales, similar number of arm spines, separated radial shields, separated dorsal and ventral arm plates, but differs by number of lateral oral papillae, tall and thorny disc spines, and spiniform lateral oral papillae.
</paragraph>
<paragraph id="E08D84E4EE1FE95CD7DC37973F41E637" pageId="0" pageNumber="155">
One of the most distinguishing characters to delimit the new species from almost all species in the genus
<taxonomicName id="9B5876589F1E028CD9F33940A08E072E" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="genus">
<emphasis id="D2BB672855A46B1684979ADB69F03AEB" italics="true" pageId="0" pageNumber="155">Ophioplinthaca</emphasis>
</taxonomicName>
is the presence of spines with rough surface on lateral, ventral, and dorsal arm plates. The paratype (relatively smaller than the holotype) has thinner and denser spines on the arm. Although, some
<taxonomicName id="8602401CFE641C774AE9ECFF5AF36DF9" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="genus">
<emphasis id="631143BD402FE5EF907D1CA035EB0DBD" italics="true" pageId="0" pageNumber="155">Ophioplinthaca</emphasis>
</taxonomicName>
species have a rough surface on dorsal arm plates or the distal margin covered with minute spines (
<taxonomicName id="DB14B93E15B6917C927A2FB524EC92E9" baseAuthorityName="Lyman" baseAuthorityYear="1878" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca plicata" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="plicata">
<emphasis id="41A4F2B48C1B6A400A888009F3175093" italics="true" pageId="0" pageNumber="155">Ophioplinthaca plicata</emphasis>
</taxonomicName>
and
<taxonomicName id="536B8271682E8165E0C12207CE14245E" baseAuthorityName="Lyman" baseAuthorityYear="1883" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca incisa" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="species" species="incisa">
<emphasis id="699D7351378D37B35598C8E83E3A9CA9" italics="true" pageId="0" pageNumber="155">Ophioplinthaca incisa</emphasis>
</taxonomicName>
; (
<bibRefCitation id="18F3583F5AD318287895FFF07E8F5CFF" author="O'Hara, TD" journalOrPublisher="Acta Oceanologica Sinica" pageId="0" pageNumber="155" publicationUrl="http://www.museumvictoria.com.au/stars" refId="B40" refString="O'Hara, TD, 2010. Ophiuroids from deep-sea southern Australia. Museum Victoria. Version: 1.0. http://www.museumvictoria.com.au/stars" title="Ophiuroids from deep-sea southern Australia. Museum Victoria. Version: 1.0." url="http://www.museumvictoria.com.au/stars" year="2010">
<normalizedToken id="6D564D3AE841506B99D6C4469978DAF1" originalValue="OHara">O'Hara</normalizedToken>
2010
</bibRefCitation>
), this is the first record of a species with spines on the entire arm in the genus
<taxonomicName id="2D3A1278CEFD078D819DA3AB5EC39A9F" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophioplinthaca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophioplinthaca" order="Amphilepidida" pageId="0" pageNumber="155" phylum="Echinodermata" rank="genus">
<emphasis id="4075DA2D730399D3601B16247C81E9B7" italics="true" pageId="0" pageNumber="155">Ophioplinthaca</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
</document>