122 lines
14 KiB
XML
122 lines
14 KiB
XML
<document id="7A32DBA20494D10611B6BD4E0A5D713C" ID-DOI="10.5281/zenodo.276727" ID-GBIF-Dataset="dfcdb58a-4300-4aae-ae13-125628f51de7" ID-ISSN="1175-5326" ID-Zenodo-Dep="276727" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460233391088" checkinUser="plazi" docAuthor="Rodrigues, Clara F., Paterson, Gordon L. J., Cabrinovic, Andrew & Cunha, Marina R." docDate="2011" docId="03C6AA27AB0DFFBE91C2B7DAD797FC26" docLanguage="en" docName="zt02754p026.pdf" docOrigin="Zootaxa 2754" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Amphioplus hexabrachiatus Stohr 2003" docType="treatment" docVersion="6" lastPageNumber="18" masterDocId="FFFFD25FAB1CFFAF9155B74DD778FF84" masterDocTitle="Deep-sea ophiuroids (Echinodermata: Ophiuroidea: Ophiurida) from the Gulf of Cadiz (NE Atlantic)" masterLastPageNumber="26" masterPageNumber="1" pageNumber="18" updateTime="1698239145265" updateUser="plazi">
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<mods:title id="116215731E653CEE72A331879DE71CDF">Deep-sea ophiuroids (Echinodermata: Ophiuroidea: Ophiurida) from the Gulf of Cadiz (NE Atlantic)</mods:title>
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<mods:namePart id="C78CD363FA84512E89B96998EA495B29">Rodrigues, Clara F.</mods:namePart>
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<mods:namePart id="56C7D7EFFA54A1C92535B416E0C5F9D2">Paterson, Gordon L. J.</mods:namePart>
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<mods:namePart id="2915DFF48942BF31CC4FBDB270F2F0FD">Cabrinovic, Andrew</mods:namePart>
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<mods:namePart id="984BD9232F182D65B7B11B6834C1F58B">Cunha, Marina R.</mods:namePart>
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<mods:date id="D17E66D0DA0771AB911F52D7C539DAD4">2011</mods:date>
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<mods:number id="7B817F6E3363EF352A7B50BCCD881409">2754</mods:number>
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<mods:identifier id="67946496C7DA7589FD951A6C32BD97CD" type="DOI">10.5281/zenodo.276727</mods:identifier>
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<treatment id="03C6AA27AB0DFFBE91C2B7DAD797FC26" ID-DOI="http://doi.org/10.5281/zenodo.6191806" ID-GBIF-Taxon="119387636" ID-Zenodo-Dep="6191806" LSID="urn:lsid:plazi:treatment:03C6AA27AB0DFFBE91C2B7DAD797FC26" httpUri="http://treatment.plazi.org/id/03C6AA27AB0DFFBE91C2B7DAD797FC26" lastPageNumber="18" pageId="17" pageNumber="18">
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<subSubSection id="C37548BAAB0DFFBE91C2B7DAD658FF56" pageId="17" pageNumber="18" type="nomenclature">
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<paragraph id="8BD01B31AB0DFFBE91C2B7DAD506FF35" blockId="17.[151,638,151,210]" box="[151,638,151,177]" pageId="17" pageNumber="18">
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<heading id="D098AC5DAB0DFFBE91C2B7DAD506FF35" bold="true" box="[151,638,151,177]" fontSize="11" level="1" pageId="17" pageNumber="18" reason="1">
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<taxonomicName id="4C6F60B2AB0DFFBE91C2B7DAD506FF35" authority="Stohr, 2003" authorityName="Stohr" authorityYear="2003" box="[151,638,151,177]" class="Ophiuroidea" family="Amphiuridae" genus="Amphioplus" kingdom="Animalia" order="Ophiurida" pageId="17" pageNumber="18" phylum="Echinodermata" rank="species" species="hexabrachiatus">
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<emphasis id="B91BC723AB0DFFBE91C2B7DAD506FF35" bold="true" box="[151,638,151,177]" pageId="17" pageNumber="18">
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<emphasis id="B91BC723AB0DFFBE91C2B7DAD694FF35" bold="true" box="[151,492,151,177]" italics="true" pageId="17" pageNumber="18">Amphioplus hexabrachiatus</emphasis>
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<bibRefCitation id="EFFE66C0AB0DFFBE90A6B7DAD506FF35" author="Stohr" box="[499,638,151,177]" pageId="17" pageNumber="26" refString="Stohr, S. (2003) A new fissiparous amphiurid brittlestar (Echinodermata: Ophiuroidea) from southwest of Iceland. Sarsia, 88, 373 - 378." type="journal article" year="2003">Stöhr, 2003</bibRefCitation>
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</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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<paragraph id="8BD01B31AB0DFFBE91C2B7F7D658FF56" blockId="17.[151,638,151,210]" box="[151,288,186,210]" pageId="17" pageNumber="18">
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(
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<figureCitation id="135407B4AB0DFFBE91CAB7F7D660FF56" box="[159,280,186,210]" captionStart-0="FIGURE 9" captionStart-1="FIGURE 10" captionStartId-0="17.[151,250,1709,1732]" captionStartId-1="18.[151,250,1677,1700]" captionTargetBox-0="[152,1436,970,1687]" captionTargetBox-1="[280,1313,447,1648]" captionTargetId-0="figure@17.[151,1436,970,1687]" captionTargetId-1="figure@18.[262,1324,445,1657]" captionTargetPageId-0="17" captionTargetPageId-1="18" captionText-0="FIGURE 9. Amphioplus hexabrachiatus. A: ventral aspect; B: oral plates with papillae detail; C: arm ventrally; D: dorsal aspect; E: arm dorsally." captionText-1="FIGURE 10. Amphioplus hexabrachiatus. Three specimens showing variation in both ventral and dorsal structures. a) and b) represent the largest diameter specimens with indented disk and well defined arrangement of oral papillae. c) and d) mid sized specimen. e) and f) small specimen showing distinct signs of fissiparity. Bar scales = 1 mm." httpUri-0="https://zenodo.org/record/276736/files/figure.png" httpUri-1="https://zenodo.org/record/276737/files/figure.png" pageId="17" pageNumber="18">Figs. 9–10</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="C37548BAAB0DFFBE91C2B64FD2FEFE02" pageId="17" pageNumber="18" type="materials_examined">
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<paragraph id="8BD01B31AB0DFFBE91C2B64FD2FEFE02" blockId="17.[151,1436,258,930]" pageId="17" pageNumber="18">
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<emphasis id="B91BC723AB0DFFBE91C2B64FD6F8FE9F" bold="true" box="[151,384,258,283]" pageId="17" pageNumber="18">Material examined.</emphasis>
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Mercator MV, TTR15, stn AT576, 4 inds. (
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<collectionCode id="ED7E83F4AB0DFFBE9234B64FD4CAFE9E" box="[865,946,258,282]" httpUri="http://grbio.org/cool/p469-157j" name="Zoological Collection of the Biology Department, University of the Azores" pageId="17" pageNumber="18">DBUA</collectionCode>
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001084.01); Fiuza MV, TTR14, stn AT566, 2 inds. (
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<collectionCode id="ED7E83F4AB0DFFBE91A3B66BD63FFEBA" box="[246,327,294,318]" httpUri="http://grbio.org/cool/p469-157j" name="Zoological Collection of the Biology Department, University of the Azores" pageId="17" pageNumber="18">DBUA</collectionCode>
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001085.01); Kidd MV, TTR14, stn AT559, 2 inds. (
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<collectionCode id="ED7E83F4AB0DFFBE92F2B66BD480FEBA" box="[935,1016,294,318]" httpUri="http://grbio.org/cool/p469-157j" name="Zoological Collection of the Biology Department, University of the Azores" pageId="17" pageNumber="18">DBUA</collectionCode>
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001085.02); Yuma MV, TTR14, stn AT524, 1 ind. (
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<collectionCode id="ED7E83F4AB0DFFBE901EB607D6E4FEE6" box="[331,412,330,354]" httpUri="http://grbio.org/cool/p469-157j" name="Zoological Collection of the Biology Department, University of the Azores" pageId="17" pageNumber="18">DBUA</collectionCode>
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001085.03); Darwin MV, TTR16, stn AT608, 1 ind. (
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<collectionCode id="ED7E83F4AB0DFFBE9543B607D31FFEE6" box="[1046,1127,330,354]" httpUri="http://grbio.org/cool/p469-157j" name="Zoological Collection of the Biology Department, University of the Azores" pageId="17" pageNumber="18">DBUA</collectionCode>
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001086.01); Captain Arutyunov MV, MSM01-03, stn 195, 1 ind. (
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<collectionCode id="ED7E83F4AB0DFFBE9337B623D5CBFE02" box="[610,691,366,390]" httpUri="http://grbio.org/cool/p469-157j" name="Zoological Collection of the Biology Department, University of the Azores" pageId="17" pageNumber="18">DBUA</collectionCode>
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0010.87.01); Pen Duick Escarpment, TTR16, stn AT600, 1 ind..
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</paragraph>
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</subSubSection>
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<subSubSection id="C37548BAAB0DFFBE9190B6DED797FC26" pageId="17" pageNumber="18" type="discussion">
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<paragraph id="8BD01B31AB0DFFBE9190B6DED20FFD4E" blockId="17.[151,1436,258,930]" pageId="17" pageNumber="18">
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<emphasis id="B91BC723AB0DFFBE9190B6DED641FE2F" bold="true" box="[197,313,403,427]" pageId="17" pageNumber="18">Remarks.</emphasis>
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This species is hexamerous, reproduces asexually by division, and reaches a maximum size of about 2.5 mm disk diameter. This is the first six-armed species of
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<taxonomicName id="4C6F60B2AB0DFFBE926AB6FBD4BDFE4A" box="[831,965,438,462]" class="Ophiuroidea" family="Amphiuridae" genus="Amphioplus" kingdom="Animalia" order="Ophiurida" pageId="17" pageNumber="18" phylum="Echinodermata" rank="genus">
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<emphasis id="B91BC723AB0DFFBE926AB6FBD4BDFE4A" box="[831,965,438,462]" italics="true" pageId="17" pageNumber="18">Amphioplus</emphasis>
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</taxonomicName>
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and the third species of the genus known from the deep North Atlantic. The specimens from the Gulf of Cadiz closely resemble the description and images given by
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<bibRefCitation id="EFFE66C0AB0DFFBE91AAB6B3D6F7FD92" author="Stohr" box="[255,399,510,534]" pageId="17" pageNumber="26" refString="Stohr, S. (2003) A new fissiparous amphiurid brittlestar (Echinodermata: Ophiuroidea) from southwest of Iceland. Sarsia, 88, 373 - 378." type="journal article" year="2003">Stöhr (2003)</bibRefCitation>
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. This is obviously a morphologically variable species; in the range of body sizes observed in this study, key features such as the arrangement of the oral papillae and buccal scale are often not developed. It is only in the larger specimens (disk diameter>
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<quantity id="4C97B6D4AB0DFFBE93C3B50BD5AFFDDA" box="[662,727,582,606]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" pageId="17" pageNumber="18" unit="mm" value="2.0">2 mm</quantity>
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) where the tentacle scales develop and are conspicuous. On the dorsal surface the development of the radial shields changes from small plates only separated at the inner edge to more elongated, larger plates separated nearly the full length of the plate only contiguous at the outer end. Smaller specimens show distinct evidence of fissiparity with one side of the disk being less well developed and smaller.
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</paragraph>
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<paragraph id="8BD01B31AB0DFFBE9190B59AD797FC26" blockId="17.[151,1436,258,930]" pageId="17" pageNumber="18">
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<emphasis id="B91BC723AB0DFFBE9190B59AD68EFD6B" bold="true" box="[197,502,726,751]" pageId="17" pageNumber="18">Ecology and distribution.</emphasis>
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This species was described from southwest of
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<collectingCountry id="F3785BA1AB0DFFBE9544B59BD31BFD6A" box="[1041,1123,726,750]" name="Iceland" pageId="17" pageNumber="18">Iceland</collectingCountry>
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at depths of
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<quantity id="4C97B6D4AB0DFFBE95ACB59BD2EFFD6A" box="[1273,1431,726,750]" metricMagnitude="3" metricUnit="m" metricValue="1.25" metricValueMax="1.5" metricValueMin="1.0" pageId="17" pageNumber="18" unit="m" value="1250.0" valueMax="1500.0" valueMin="1000.0">1000–1500 m</quantity>
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, collected by the Benthic Invertebrates of Icelandic Waters (BIOICE) programme (
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<bibRefCitation id="EFFE66C0AB0DFFBE957CB5B7D3D2FC96" author="Stohr" box="[1065,1194,762,786]" pageId="17" pageNumber="26" refString="Stohr, S. (2003) A new fissiparous amphiurid brittlestar (Echinodermata: Ophiuroidea) from southwest of Iceland. Sarsia, 88, 373 - 378." type="journal article" year="2003">Stöhr 2003</bibRefCitation>
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). In the Gulf of Cadiz (
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<figureCitation id="135407B4AB0DFFBE91CAB453D79BFCB2" box="[159,227,798,822]" captionStart="FIGURE 7" captionStartId="14.[151,250,1789,1812]" captionTargetBox="[156,1410,387,1768]" captionTargetId="figure@14.[151,1436,373,1768]" captionTargetPageId="14" captionText="FIGURE 7. Distribution of Amphiuridae species in the Gulf of Cadiz. A: Amphiura grandisquama (full circles) and Amphiura chiajei (asterisks); B: Amphiura filiformis; C: Amphiura sp. A; D: Amphipholis squamata; E: Amphioplus hexabrachiatus; F: Amphilepis ingolfiana." httpUri="https://zenodo.org/record/276734/files/figure.png" pageId="17" pageNumber="18">Fig. 7</figureCitation>
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E) it was collected from the Pen Duick Escarpment and mud volcanoes of the Moroccan margin usually in areas with carbonate crusts or coral framework at depths between 414 and
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<quantity id="4C97B6D4AB0DFFBE92AEB40FD32BFCDE" box="[1019,1107,834,858]" metricMagnitude="3" metricUnit="m" metricValue="1.39" pageId="17" pageNumber="18" unit="m" value="1390.0">1390 m</quantity>
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extending the upper bathyal limit from 1000 to
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<specimenCount id="9D69D0B8AB0DFFBE903AB42BD6C6FCFA" box="[367,446,870,894]" pageId="17" pageNumber="18" type="generic">
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<quantity id="4C97B6D4AB0DFFBE903AB42BD6C1FCFA" box="[367,441,870,894]" metricMagnitude="2" metricUnit="m" metricValue="4.14" pageId="17" pageNumber="18" unit="m" value="414.0">414 m</quantity>
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.
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</specimenCount>
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The records from Cadiz also extend considerably the known geographical range of this species.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |