182 lines
20 KiB
XML
182 lines
20 KiB
XML
<document id="14D6CA920C13A91BEE758A8D46E68DB3" ID-DOI="10.5281/zenodo.195174" ID-GBIF-Dataset="3c5a1ed7-3a3f-463e-99ed-37f46cb72ee8" ID-ISSN="1175-5326" ID-Zenodo-Dep="195174" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460224063369" checkinUser="plazi" docAuthor="Mironov, Alexandr N. & Pawson, David L." docDate="2010" docId="03D98500FFC7FFCC55DCF9C812C56486" docLanguage="en" docName="zt02449p068.pdf" docOrigin="Zootaxa 2449" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Rouxicrinus Mironov & Pawson, 2010, new genus" docType="treatment" docVersion="10" lastPageNumber="52" masterDocId="FFE0FD78FFC5FFCF554BFF8F1342676C" masterDocTitle="A new genus and species of Western Atlantic sea lily in the family Septocrinidae (Echinodermata: Crinoidea: Bourgueticrinida)" masterLastPageNumber="68" masterPageNumber="49" pageNumber="51" updateTime="1698238020090" updateUser="plazi">
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<mods:titleInfo id="DAE34E4B3388F85E2159D599344B1F71">
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<mods:title id="8C865130F4404E020D7EE5D7BDB604CF">A new genus and species of Western Atlantic sea lily in the family Septocrinidae (Echinodermata: Crinoidea: Bourgueticrinida)</mods:title>
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<mods:name id="A13F5BECAC60686E0040A74AD0BEC371" type="personal">
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<mods:roleTerm id="3BB480F79D9B6AADBD5AADEFC0F83974">Author</mods:roleTerm>
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<mods:namePart id="F52BDC70DE842E131863406D41773AE7">Mironov, Alexandr N.</mods:namePart>
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<mods:roleTerm id="61F75E6BE43F0210070E11598AAEF7D7">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="B9B14756E02BBC454187C546AFCDF761">Pawson, David L.</mods:namePart>
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<mods:typeOfResource id="F5FF25544610D2723896CB09DBC2A0D0">text</mods:typeOfResource>
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<mods:title id="D2BA7113E4FCA2000771ACB83FBFA3A9">Zootaxa</mods:title>
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<mods:part id="8D2AFADD8A2BAF68C92782A8370A38AD">
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<mods:date id="6458B90B11B3DDE84AF6EE4572B540B9">2010</mods:date>
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<mods:detail id="0E6C860990E1148C399326149C03A7DB" type="volume">
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<mods:number id="A42F7EC90076471BBB9941519A96DA1B">2449</mods:number>
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<mods:classification id="74D224237FF349C299A3DF89A6A93A05">journal article</mods:classification>
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<mods:identifier id="048D511E30176358C3B46B6281C8DB8C" type="DOI">10.5281/zenodo.195174</mods:identifier>
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<mods:identifier id="0BE8C8448255B0271349B4B39854EA86" type="GBIF-Dataset">3c5a1ed7-3a3f-463e-99ed-37f46cb72ee8</mods:identifier>
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<mods:identifier id="2EFD05869623B16644F8214EAC2AC8B8" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="BAE29CE259D78F57039AB6767F2664A9" type="Zenodo-Dep">195174</mods:identifier>
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<treatment id="03D98500FFC7FFCC55DCF9C812C56486" ID-DOI="http://doi.org/10.5281/zenodo.5694229" ID-GBIF-Taxon="119385829" ID-Zenodo-Dep="5694229" LSID="urn:lsid:plazi:treatment:03D98500FFC7FFCC55DCF9C812C56486" httpUri="http://treatment.plazi.org/id/03D98500FFC7FFCC55DCF9C812C56486" lastPageId="3" lastPageNumber="52" pageId="2" pageNumber="51">
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<subSubSection id="C36A679DFFC7FFCD55DCF9C812F4610D" box="[151,438,1607,1633]" pageId="2" pageNumber="51" type="nomenclature">
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<paragraph id="8BCF3416FFC7FFCD55DCF9C812F4610D" blockId="2.[151,438,1607,1633]" box="[151,438,1607,1633]" pageId="2" pageNumber="51">
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<heading id="D087837AFFC7FFCD55DCF9C812F4610D" bold="true" box="[151,438,1607,1633]" fontSize="11" level="1" pageId="2" pageNumber="51" reason="1">
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<emphasis id="B904E804FFC7FFCD55DCF9C812F4610D" bold="true" box="[151,438,1607,1633]" pageId="2" pageNumber="51">
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<taxonomicName id="4C704F95FFC7FFCD55DCF9C8126F610D" ID-CoL="8FZYC" box="[151,301,1607,1633]" class="Crinoidea" family="Septocrinidae" genus="Rouxicrinus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Comatulida" pageId="2" pageNumber="51" phylum="Echinodermata" rank="genus" status="gen. nov.">
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<emphasis id="B904E804FFC7FFCD55DCF9C8126F610D" bold="true" box="[151,301,1607,1633]" italics="true" pageId="2" pageNumber="51">Rouxicrinus</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A237557FFFC7FFCD547FF9C812F4610D" box="[308,438,1607,1633]" pageId="2" pageNumber="51" rank="genus">new genus</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C36A679DFFC7FFCD55DCF90010D661A3" pageId="2" pageNumber="51" type="etymology">
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<paragraph id="8BCF3416FFC7FFCD55DCF90010D661A3" blockId="2.[151,1437,1679,2004]" pageId="2" pageNumber="51">
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<emphasis id="B904E804FFC7FFCD55DCF900126861C5" bold="true" box="[151,298,1679,1705]" pageId="2" pageNumber="51">Etymology:</emphasis>
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The genus is named for Michel Roux, Muséum national d’Histoire naturelle, Paris,
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<collectingCountry id="F3677486FFC7FFCD5068F91F163A61C6" box="[1315,1400,1680,1706]" name="France" pageId="2" pageNumber="51">France</collectingCountry>
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, in recognition of his contributions to our knowledge of the crinoids.
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</paragraph>
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</subSubSection>
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<subSubSection id="C36A679DFFC7FFCC558DF9551231664E" lastPageId="3" lastPageNumber="52" pageId="2" pageNumber="51" type="diagnosis">
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<paragraph id="8BCF3416FFC7FFCC558DF9551231664E" blockId="2.[151,1437,1679,2004]" lastBlockId="3.[151,1437,152,1002]" lastPageId="3" lastPageNumber="52" pageId="2" pageNumber="51">
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<emphasis id="B904E804FFC7FFCD558DF955120A6198" bold="true" box="[198,328,1754,1780]" pageId="2" pageNumber="51">Diagnosis:</emphasis>
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Proxistele tapers towards the calyx. Discoid columnals in proxistele numerous, usually more than 30, and united by flat synostoses. Columnals of mesistele short; maximum ratio height/diameter of columnals 1.68. Articular facets of mesistele synarthries ovoid, with wide fulcral ridge along smaller diameter; those of distal synarthries circular. First primibrachials (IBr) separated by well developed interradial projections of radials in small specimens only. Median distal prolongation of IBr2 absent. IBr1 shorter than radials. Maximum number of successive muscular articulations in arms 6–10. Most frequent proximal free arm pattern1+2 3+4 9+10 or 10+11; first pinnule on IIBr6–8 (mode on IIBr7). When viewed from the side, every second or third Br bearing a P. Stereom of secundibrachials and pinnules with coarse meshes and many needle-like projections giving external surface dissected and thorny especially in distal ossicles. Thorns along upper margin of brachials and pinnulars. Second pinnular shorter than first; third pinnular longer than first in proximal pinnules.
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</paragraph>
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</subSubSection>
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<subSubSection id="C36A679DFFC6FFCC558FFEA210E1662B" box="[196,931,301,327]" pageId="3" pageNumber="52" type="materials_examined">
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<paragraph id="8BCF3416FFC6FFCC558FFEA210E1662B" blockId="3.[151,1437,152,1002]" box="[196,931,301,327]" pageId="3" pageNumber="52">
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<emphasis id="B904E804FFC6FFCC558FFEA21151662B" bold="true" box="[196,531,301,327]" pageId="3" pageNumber="52">
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<typeStatus id="54CB8AB4FFC6FFCC558FFEA21243662B" box="[196,257,301,327]" pageId="3" pageNumber="52">Type</typeStatus>
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species by monotypy:
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</emphasis>
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<taxonomicName id="4C704F95FFC6FFCC5750FEA2104A662A" box="[539,776,301,326]" class="Crinoidea" family="Septocrinidae" genus="Rouxicrinus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Comatulida" pageId="3" pageNumber="52" phylum="Echinodermata" rank="species" species="vestitus" status="sp. nov.">
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<emphasis id="B904E804FFC6FFCC5750FEA2104A662A" box="[539,776,301,326]" italics="true" pageId="3" pageNumber="52">Rouxicrinus vestitus</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A237557FFFC6FFCC5644FEA210DD662B" box="[783,927,301,327]" pageId="3" pageNumber="52" rank="species">new species</taxonomicNameLabel>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="C36A679DFFC6FFCC558FFEDD12C56486" pageId="3" pageNumber="52" type="discussion">
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<paragraph id="8BCF3416FFC6FFCC558FFEDD12D465FB" blockId="3.[151,1437,152,1002]" pageId="3" pageNumber="52">
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<emphasis id="B904E804FFC6FFCC558FFEDD12056600" bold="true" box="[196,327,338,364]" pageId="3" pageNumber="52">Remarks:</emphasis>
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This new genus differs significantly from both
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<taxonomicName id="4C704F95FFC6FFCC56EDFEDD17786607" box="[934,1082,338,363]" class="Crinoidea" family="Septocrinidae" genus="Septocrinus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Comatulida" pageId="3" pageNumber="52" phylum="Echinodermata" rank="genus">
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<emphasis id="B904E804FFC6FFCC56EDFEDD17786607" box="[934,1082,338,363]" italics="true" pageId="3" pageNumber="52">Septocrinus</emphasis>
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</taxonomicName>
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and
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<taxonomicName id="4C704F95FFC6FFCC5131FEDD165F6607" box="[1146,1309,338,363]" class="Crinoidea" family="Septocrinidae" genus="Zeuctocrinus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Comatulida" pageId="3" pageNumber="52" phylum="Echinodermata" rank="genus">
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<emphasis id="B904E804FFC6FFCC5131FEDD165F6607" box="[1146,1309,338,363]" italics="true" pageId="3" pageNumber="52">Zeuctocrinus</emphasis>
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</taxonomicName>
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in having numerous low columnals in the proxistele, tapering proximal end of stalk, a more proximal position of P1, thorns on the Brs and Pns, and a thick cover of soft tissue. The distolateral interradial projections of RR in smaller specimens are a feature shared with
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<taxonomicName id="4C704F95FFC6FFCC57EBFE4D106866B7" box="[672,810,450,475]" class="Crinoidea" family="Septocrinidae" genus="Septocrinus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Comatulida" pageId="3" pageNumber="52" phylum="Echinodermata" rank="genus">
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<emphasis id="B904E804FFC6FFCC57EBFE4D106866B7" box="[672,810,450,475]" italics="true" pageId="3" pageNumber="52">Septocrinus</emphasis>
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</taxonomicName>
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, but not found in
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<emphasis id="B904E804FFC6FFCC56B5FE4D17DD66B7" box="[1022,1183,450,475]" italics="true" pageId="3" pageNumber="52">
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<taxonomicName id="4C704F95FFC6FFCC56B5FE4D17D966B7" box="[1022,1179,450,475]" class="Crinoidea" family="Septocrinidae" genus="Zeuctocrinus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Comatulida" pageId="3" pageNumber="52" phylum="Echinodermata" rank="genus">Zeuctocrinus</taxonomicName>
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.
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</emphasis>
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In life, all specimens of
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<taxonomicName id="4C704F95FFC6FFCC55F3FE671208656D" box="[184,330,488,513]" class="Crinoidea" family="Septocrinidae" genus="Rouxicrinus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Comatulida" pageId="3" pageNumber="52" phylum="Echinodermata" rank="genus">
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<emphasis id="B904E804FFC6FFCC55F3FE671208656D" box="[184,330,488,513]" italics="true" pageId="3" pageNumber="52">Rouxicrinus</emphasis>
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</taxonomicName>
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have a white stalk, light cream calyx and Brs, Ps reddish purple; in alcohol stalk white, Ps brownish-violet.
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<emphasis id="B904E804FFC6FFCC5414FD8212A1654A" box="[351,483,525,550]" italics="true" pageId="3" pageNumber="52">Septocrinis</emphasis>
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and
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<taxonomicName id="4C704F95FFC6FFCC5756FD8211F4654A" box="[541,694,525,550]" class="Crinoidea" family="Septocrinidae" genus="Zeuctocrinus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Comatulida" pageId="3" pageNumber="52" phylum="Echinodermata" rank="genus">
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<emphasis id="B904E804FFC6FFCC5756FD8211F4654A" box="[541,694,525,550]" italics="true" pageId="3" pageNumber="52">Zeuctocrinus</emphasis>
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</taxonomicName>
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are monochromatic, light yellowish grey to whitish in alcohol. This colour corresponds to bright yellow in life (like in most hyocrinids); confirmed for
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<taxonomicName id="4C704F95FFC6FFCC51F1FDBD166B6527" box="[1210,1321,562,587]" class="Crinoidea" family="Septocrinidae" genus="Zeuctocrinus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Comatulida" pageId="3" pageNumber="52" phylum="Echinodermata" rank="species" species="gisleni">
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<emphasis id="B904E804FFC6FFCC51F1FDBD166B6527" box="[1210,1321,562,587]" italics="true" pageId="3" pageNumber="52">Z. gisleni</emphasis>
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</taxonomicName>
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observed from submersible in Bay of Biscay and on Porcupine bank (M. Roux, pers. com.).
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<tableCitation id="C6F201ADFFC6FFCC5139FDD71786651E" box="[1138,1220,600,626]" captionStart="TABLE 1" captionStartId="4.[151,239,151,175]" captionTargetBox="[151,1427,202,1615]" captionTargetPageId="4" captionText="TABLE 1. Differences between species of the family Septocrinidae." httpUri="http://table.plazi.org/id/DF0F649EFFC1FFCB55DCFF18103267C3" pageId="3" pageNumber="52" tableUuid="DF0F649EFFC1FFCB55DCFF18103267C3">Table 1</tableCitation>
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summarizes these and other differences.
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</paragraph>
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<paragraph id="8BCF3416FFC6FFCC558FFD2D12C56486" blockId="3.[151,1437,152,1002]" pageId="3" pageNumber="52">
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According to Meyer at al. (1978), representatives of two other bourgueticrinid genera,
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<taxonomicName id="4C704F95FFC6FFCC51FDFD2D16DE65D0" authority="Perrier" authorityName="Perrier" box="[1206,1436,674,700]" class="Crinoidea" family="Bathycrinidae" genus="Democrinus" kingdom="Animalia" order="Bourgueticrinida" pageId="3" pageNumber="52" phylum="Echinodermata" rank="genus">
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<emphasis id="B904E804FFC6FFCC51FDFD2D160765D7" box="[1206,1349,674,699]" italics="true" pageId="3" pageNumber="52">Democrinus</emphasis>
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Perrier
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</taxonomicName>
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and
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<taxonomicName id="4C704F95FFC6FFCC5581FD471153658E" authority="A.H. Clark" authorityName="A.H. Clark" box="[202,529,712,738]" class="Crinoidea" family="Bathycrinidae" genus="Monachocrinus" kingdom="Animalia" order="Bourgueticrinida" pageId="3" pageNumber="52" phylum="Echinodermata" rank="genus">
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<emphasis id="B904E804FFC6FFCC5581FD4712C1658D" box="[202,387,712,737]" italics="true" pageId="3" pageNumber="52">Monachocrinus</emphasis>
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A.H. Clark
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</taxonomicName>
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, are known from the western Atlantic, from south Florida to Rio de Janeiro,
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<collectingCountry id="F3677486FFC6FFCC55DCFD62139D646B" box="[151,223,749,775]" name="Brazil" pageId="3" pageNumber="52">Brazil</collectingCountry>
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(including the Caribbean Sea, Gulf of
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<collectingCountry id="F3677486FFC6FFCC57E7FD621044646B" box="[684,774,749,775]" name="Mexico" pageId="3" pageNumber="52">Mexico</collectingCountry>
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and
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<collectingCountry id="F3677486FFC6FFCC560BFD6210E2646B" box="[832,928,749,775]" name="Bahamas" pageId="3" pageNumber="52">Bahama</collectingCountry>
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Islands).
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<emphasis id="B904E804FFC6FFCC515EFD6217EE646A" box="[1045,1196,749,774]" italics="true" pageId="3" pageNumber="52">
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<taxonomicName id="4C704F95FFC6FFCC515EFD6217E5646A" box="[1045,1191,749,774]" class="Crinoidea" family="Bathycrinidae" genus="Democrinus" kingdom="Animalia" order="Bourgueticrinida" pageId="3" pageNumber="52" phylum="Echinodermata" rank="genus">Democrinus</taxonomicName>
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,
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</emphasis>
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with 5 arms, can be immediately distinguished from
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<taxonomicName id="4C704F95FFC6FFCC5767FC9D10656447" box="[556,807,786,811]" class="Crinoidea" family="Septocrinidae" genus="Rouxicrinus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Comatulida" pageId="3" pageNumber="52" phylum="Echinodermata" rank="species" species="vestitus">
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<emphasis id="B904E804FFC6FFCC5767FC9D10656447" box="[556,807,786,811]" italics="true" pageId="3" pageNumber="52">Rouxicrinus vestitus</emphasis>
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</taxonomicName>
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. The available information on
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<taxonomicName id="4C704F95FFC6FFCC51E0FC9D160D6447" box="[1195,1359,786,811]" class="Crinoidea" family="Bathycrinidae" genus="Bathycrinus" kingdom="Animalia" order="Bourgueticrinida" pageId="3" pageNumber="52" phylum="Echinodermata" rank="species" species="caribbeus">
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<emphasis id="B904E804FFC6FFCC51E0FC9D160D6447" box="[1195,1359,786,811]" italics="true" pageId="3" pageNumber="52">M. caribbeus</emphasis>
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</taxonomicName>
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is not sufficient to enable a detailed assessment of its generic or family position, although the
|
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<typeStatus id="54CB8AB4FFC6FFCC5194FCB71615643E" box="[1247,1367,824,850]" pageId="3" pageNumber="52" type="holotype">holotypes</typeStatus>
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||
of
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<taxonomicName id="4C704F95FFC6FFCC50C9FCB71249641A" class="Crinoidea" family="Bathycrinidae" genus="Bathycrinus" kingdom="Animalia" order="Bourgueticrinida" pageId="3" pageNumber="52" phylum="Echinodermata" rank="species" species="caribbeus">
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<emphasis id="B904E804FFC6FFCC50C9FCB71249641A" italics="true" pageId="3" pageNumber="52">B. caribbeus</emphasis>
|
||
</taxonomicName>
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||
and
|
||
<taxonomicName id="4C704F95FFC6FFCC5408FCD212FE641A" box="[323,444,861,886]" class="Crinoidea" family="Septocrinidae" genus="Rouxicrinus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Comatulida" pageId="3" pageNumber="52" phylum="Echinodermata" rank="species" species="vestitus">
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<emphasis id="B904E804FFC6FFCC5408FCD212FE641A" box="[323,444,861,886]" italics="true" pageId="3" pageNumber="52">R. vestitus</emphasis>
|
||
</taxonomicName>
|
||
are clearly not conspecific. The
|
||
<typeStatus id="54CB8AB4FFC6FFCC5670FCD210E3641B" box="[827,929,861,887]" pageId="3" pageNumber="52" type="holotype">holotype</typeStatus>
|
||
of
|
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<taxonomicName id="4C704F95FFC6FFCC5682FCD21726641A" box="[969,1124,861,886]" class="Crinoidea" family="Bathycrinidae" genus="Bathycrinus" kingdom="Animalia" order="Bourgueticrinida" pageId="3" pageNumber="52" phylum="Echinodermata" rank="species" species="caribbeus">
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<emphasis id="B904E804FFC6FFCC5682FCD21726641A" box="[969,1124,861,886]" italics="true" pageId="3" pageNumber="52">M. caribbeus</emphasis>
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</taxonomicName>
|
||
is well distinguished from
|
||
<taxonomicName id="4C704F95FFC6FFCC55DCFC09125464F3" box="[151,278,902,927]" class="Crinoidea" family="Septocrinidae" genus="Rouxicrinus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Comatulida" pageId="3" pageNumber="52" phylum="Echinodermata" rank="species" species="vestitus">
|
||
<emphasis id="B904E804FFC6FFCC55DCFC09125464F3" box="[151,278,902,927]" italics="true" pageId="3" pageNumber="52">R. vestitus</emphasis>
|
||
</taxonomicName>
|
||
by its high basal ring (taller than broad), fused BB, few discoid proximal columnals (the 10th columnal is higher than broad), and ovoid distal stalk articular facets (
|
||
<bibRefCitation id="EFE149E7FFC6FFCC5148FC2517A964A8" author="Clark" box="[1027,1259,938,964]" pageId="3" pageNumber="67" refString="Clark, A. H. (1908 a) Notice of some Crinoidea in the collection of the Museum of Comparative Zoology. Bulletin of the Museum of Comparative Zoology at Harvard College, 51 (8), 233 - 248." type="journal article" year="1908" yearSuffix="a">A.H. Clark, 1908a</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="EFE149E7FFC6FFCC51B2FC25160B64A8" author="Clark" box="[1273,1353,938,964]" pageId="3" pageNumber="67" refString="Clark, A. H. (1908 b) New stalked crinoids from the Eastern coast of North America. Proceedings of the United States National Museum, 34 (1607), 205 - 208." type="journal article" year="1908" yearSuffix="b">1908b</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="EFE149E7FFC6FFCC501DFC2516D564A8" author="Clark" box="[1366,1431,938,964]" pageId="3" pageNumber="67" refString="Clark, A. H. (1915) A monograph of the existing crinoids. 1. The comamatulids, Part 2. Bulletin of the United States National Museum, 82 (1), 1 - 795." type="journal article" year="1915">1915</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFE149E7FFC6FFCC55DCFC5F126D6486" author="Gislen" box="[151,303,976,1002]" pageId="3" pageNumber="67" refString="Gislen, T. (1938) A revision of the recent Bathycrinidae. Lunds Universitets Arsskrift, N. F., 34 (10), 1 - 30." type="journal article" year="1938">Gislén, 1938</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="EFE149E7FFC6FFCC5470FC5F12386486" author="Gislen" box="[315,378,976,1002]" pageId="3" pageNumber="67" refString="Gislen, T. (1951) Crinoidea with a survey of the bathymetric distribution on the deep-sea crinoids. Reports of the Swedish Deep Sea Expedition, Zoology, 2 (4), 49 - 55." type="journal article" year="1951">1951</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |