141 lines
15 KiB
XML
141 lines
15 KiB
XML
<document id="7E09D3D42557A1C0332BC15FF9B96E78" ID-CLB-Dataset="27431" ID-DOI="10.11646/zootaxa.4560.1.3" ID-GBIF-Dataset="66d86ea3-e671-4144-b8be-7704010c10e9" ID-ISSN="1175-5326" ID-Zenodo-Dep="2627372" ID-ZooBank="1057AA8B-9221-4045-99A5-8F0CC0F7395B" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1554322446059" checkinUser="plazi" docAuthor="Roux, Michel, Eléaume, Marc & Améziane, Nadia" docDate="2019" docId="913887B7FFE2FF98D098FA3FFB3AFF2D" docLanguage="en" docName="zootaxa.4560.1.3.pdf" docOrigin="Zootaxa 4560 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Pseudoconocrinus Roux & Eléaume & Améziane 2019, n. gen." docType="treatment" docVersion="8" lastPageNumber="79" masterDocId="6D01FFCFFFFEFF85D00FFFD9FFD3FFF8" masterDocTitle="A revision of the genus Conocrinus d’Orbigny, 1850 (Echinodermata, Crinoidea, Rhizocrinidae) and its place among extant and fossil crinoids with a xenomorphic stalk" masterLastPageNumber="84" masterPageNumber="51" pageNumber="79" updateTime="1698717837333" updateUser="ExternalLinkService">
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<mods:title id="620166442E6A3F4FB67957C4F68A0CB2">A revision of the genus Conocrinus d’Orbigny, 1850 (Echinodermata, Crinoidea, Rhizocrinidae) and its place among extant and fossil crinoids with a xenomorphic stalk</mods:title>
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<mods:namePart id="B7372E3E758655A9375DE421EA2E28AF">Roux, Michel</mods:namePart>
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<mods:namePart id="E5FB81F661C65FCE2250064AA701DBDB">Eléaume, Marc</mods:namePart>
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<mods:namePart id="255482E9D55E550568027094D0E136AE">Améziane, Nadia</mods:namePart>
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<mods:title id="F09E5AC892B022FA40A178C1BF7007CA">Zootaxa</mods:title>
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<mods:date id="752348748A5B20F455CE34E2D7550DE5">2019</mods:date>
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<mods:number id="88765B1C4047FB3491644FC087B74E8B">2019-02-22</mods:number>
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<mods:number id="49C3DBD75686AA4384FE69F99C7419B8">4560</mods:number>
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<mods:identifier id="23D39F096D2D672348A585736D167DA2" type="DOI">10.11646/zootaxa.4560.1.3</mods:identifier>
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<treatment id="913887B7FFE2FF98D098FA3FFB3AFF2D" ID-DOI="http://doi.org/10.5281/zenodo.5940627" ID-GBIF-Taxon="154532366" ID-Zenodo-Dep="5940627" LSID="urn:lsid:plazi:treatment:913887B7FFE2FF98D098FA3FFB3AFF2D" httpUri="http://treatment.plazi.org/id/913887B7FFE2FF98D098FA3FFB3AFF2D" lastPageId="29" lastPageNumber="79" pageId="28" pageNumber="79">
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<subSubSection id="518B652AFFE2FF99D098FA3FFDF5F9F8" box="[151,550,1510,1536]" pageId="28" pageNumber="79" type="nomenclature">
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<paragraph id="192E36A1FFE2FF99D098FA3FFDF5F9F8" blockId="28.[151,550,1510,1536]" box="[151,550,1510,1536]" pageId="28" pageNumber="79">
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<heading id="426681CDFFE2FF99D098FA3FFDF5F9F8" bold="true" box="[151,550,1510,1536]" fontSize="11" level="1" pageId="28" pageNumber="79" reason="1">
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<emphasis id="2BE5EAB3FFE2FF99D098FA3FFDF5F9F8" bold="true" box="[151,550,1510,1536]" pageId="28" pageNumber="79">
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Genus
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<taxonomicName id="DE914D22FFE2FF99D0E1FA3FFE1EF9F8" authority="Roux & Eléaume & Améziane, 2019" authorityName="Roux & Eléaume & Améziane" authorityYear="2019" box="[238,461,1510,1536]" class="Crinoidea" family="Bathycrinidae" genus="Pseudoconocrinus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Comatulida" pageId="28" pageNumber="79" phylum="Echinodermata" rank="genus" status="gen. nov.">
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<emphasis id="2BE5EAB3FFE2FF99D0E1FA3FFE1EF9F8" bold="true" box="[238,461,1510,1536]" italics="true" pageId="28" pageNumber="79">Pseudoconocrinus</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="30D657C8FFE2FF99D1DBFA3FFDF5F9F8" box="[468,550,1510,1536]" pageId="28" pageNumber="79" rank="genus">n. gen.</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="518B652AFFE2FF99D098F9F4FD44F9BB" box="[151,663,1581,1603]" pageId="28" pageNumber="79" type="materials_examined">
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<paragraph id="192E36A1FFE2FF99D098F9F4FD44F9BB" blockId="28.[151,663,1581,1603]" box="[151,663,1581,1603]" pageId="28" pageNumber="79">
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<emphasis id="2BE5EAB3FFE2FF99D098F9F4FEF1F9BB" bold="true" box="[151,290,1581,1603]" pageId="28" pageNumber="79">
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<typeStatus id="C62A8803FFE2FF99D098F9F4FF1FF9BB" box="[151,204,1581,1603]" pageId="28" pageNumber="79">Type</typeStatus>
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species.
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</emphasis>
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<taxonomicName id="DE914D22FFE2FF99D126F9F7FD41F9BB" authority="Roux, 1978 c" authorityName="Roux" authorityYear="1978" box="[297,658,1581,1603]" class="Crinoidea" family="Bathycrinidae" genus="Conocrinus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Comatulida" pageId="28" pageNumber="79" phylum="Echinodermata" rank="species" species="doncieuxi">
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<emphasis id="2BE5EAB3FFE2FF99D126F9F7FDDBF9BB" box="[297,520,1581,1603]" italics="true" pageId="28" pageNumber="79">Conocrinus doncieuxi</emphasis>
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<bibRefCitation id="7D004B50FFE2FF99D201F9F7FD41F9BB" author="Roux, M." box="[526,658,1581,1603]" pageId="28" pageNumber="79" pagination="797 - 800" refId="ref22894" refString="Roux, M. (1978 c) Importance de la variabilite de la forme du calice chez les Bathycrinidae (Echinodermes, Crinoides): l'exemple de l'espece eocene Conocrinus doncieuxi nov. sp. Comptes Rendus de l'Academie des Sciences, Paris, 287, 797 - 800." type="journal article" year="1978">Roux, 1978c</bibRefCitation>
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</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="518B652AFFE2FF99D098F9B6FCAAF850" pageId="28" pageNumber="79" type="diagnosis">
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<paragraph id="192E36A1FFE2FF99D098F9B6FD4BF8A7" blockId="28.[151,1437,1647,2033]" pageId="28" pageNumber="79">
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<emphasis id="2BE5EAB3FFE2FF99D098F9B6FEC2F970" bold="true" box="[151,273,1647,1672]" pageId="28" pageNumber="79">Diagnosis.</emphasis>
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Cup shape highly variable but never inverted conical, except in some juveniles; sutures between cup ossicles often conspicuous at least at base of basal circlet. Distal face of radial circlet with small central depression (ratio to radial ring diameter 0.20–0.30), long conspicuous interradial crests separating large subtrapezoidal synarthries about as wide as radials, muscular areas moderately concave with inner side slightly erect or not at all. Arms divided at IBr2ax, two kinds of axillaries found in association with cups, the larger wider than tall and the smaller substantially taller than wide, suggesting change through ontogeny or possible additional branching. Articulation IBr1+2 without trifascial pattern.
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</paragraph>
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<paragraph id="192E36A1FFE2FF99D0C8F8B5FCAAF850" blockId="28.[151,1437,1647,2033]" pageId="28" pageNumber="79">
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<emphasis id="2BE5EAB3FFE2FF99D0C8F8B5FE45F87D" bold="true" box="[199,406,1900,1925]" pageId="28" pageNumber="79">Included species.</emphasis>
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<taxonomicName id="DE914D22FFE2FF99D1ADF8B4FC65F87D" authority="Roux, 1978" authorityName="Roux" authorityYear="1978" box="[418,950,1900,1925]" class="Crinoidea" family="Bathycrinidae" genus="Conocrinus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Comatulida" pageId="28" pageNumber="79" phylum="Echinodermata" rank="species" species="doncieuxi">
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<emphasis id="2BE5EAB3FFE2FF99D1ADF8B4FD4DF87D" box="[418,670,1900,1925]" italics="true" pageId="28" pageNumber="79">Conocrinus doncieuxi</emphasis>
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Roux, 1978 (Ypresian)
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</taxonomicName>
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,
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<taxonomicName id="DE914D22FFE2FF99D3C9F8B4FEEFF850" authority="Brunnich Nielsen, 1915" authorityName="Brunnich Nielsen" authorityYear="1915" class="Crinoidea" family="Bathycrinidae" genus="Democrinus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Comatulida" pageId="28" pageNumber="79" phylum="Echinodermata" rank="species" species="maximus">
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<emphasis id="2BE5EAB3FFE2FF99D3C9F8B4FB6CF87C" box="[966,1215,1901,1924]" italics="true" pageId="28" pageNumber="79">Democrinus maximus</emphasis>
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Brünnich
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<bibRefCitation id="7D004B50FFE2FF99D530F8B5FF1CF850" author="Nielsen, K. B." pageId="28" pageNumber="79" pagination="391" refId="ref22210" refString="Nielsen, K. B. (1915) Rhizocrinus maximus n. sp. og nogle Bemaerkninger om Bourgueticrinus danicus Br. N. Meddelelser fra Dansk Geologisk Forening, 4, 391." type="journal article" year="1915">Nielsen, 1915</bibRefCitation>
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(Danian)
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</taxonomicName>
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,
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<taxonomicName id="DE914D22FFE2FF99D148F849FCA5F850" authority="Klikushin, 1982" authorityName="Klikushin" authorityYear="1982" box="[327,886,1935,1960]" class="Crinoidea" family="Bathycrinidae" genus="Conocrinus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Comatulida" pageId="28" pageNumber="79" phylum="Echinodermata" rank="species" species="tauricus">
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<emphasis id="2BE5EAB3FFE2FF99D148F849FDFEF850" box="[327,557,1936,1960]" italics="true" pageId="28" pageNumber="79">Conocrinus tauricus</emphasis>
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<bibRefCitation id="7D004B50FFE2FF99D23BF856FD3BF850" author="Klikushin, V. G." box="[564,744,1935,1960]" pageId="28" pageNumber="79" pagination="811 - 843" refId="ref21159" refString="Klikushin, V. G. (1982) Cretaceous and Paleogene Bourgueticrinina (Echinodermata, Crinoidea) of the USSR. Geobios, 15 (6), 811 - 843. https: // doi. org / 10.1016 / S 0016 - 6995 (82) 80034 - X" type="journal article" year="1982">Klikushin, 1982</bibRefCitation>
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(Thanetian)
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</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="518B652AFFE2FF98D0C8F86DFB3AFF2D" lastPageId="29" lastPageNumber="80" pageId="28" pageNumber="79" type="discussion">
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<paragraph id="192E36A1FFE2FF98D0C8F86DFB3AFF2D" blockId="28.[151,1437,1647,2033]" lastBlockId="29.[151,1436,151,213]" lastPageId="29" lastPageNumber="80" pageId="28" pageNumber="79">
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<emphasis id="2BE5EAB3FFE2FF99D0C8F86DFEE8F835" bold="true" box="[199,315,1972,1997]" pageId="28" pageNumber="79">Remarks.</emphasis>
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The Thanetian species
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<taxonomicName id="DE914D22FFE2FF99D25CF86CFCEEF834" authorityName="Klikushin" authorityYear="1982" box="[595,829,1973,1996]" class="Crinoidea" family="Bathycrinidae" genus="Conocrinus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Comatulida" pageId="28" pageNumber="79" phylum="Echinodermata" rank="species" species="tauricus">
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<emphasis id="2BE5EAB3FFE2FF99D25CF86CFCEEF834" box="[595,829,1973,1996]" italics="true" pageId="28" pageNumber="79">Conocrinus tauricus</emphasis>
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</taxonomicName>
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is known from a single aboral cup with distal face poorly preserved, columnals and primibrachials including one axillary that is as tall as it is wide; this may belong to
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<taxonomicName id="DE914D22FFE3FF98D098FF4EFEB5FF48" authority="Roux & Eléaume & Améziane, 2019" authorityName="Roux & Eléaume & Améziane" authorityYear="2019" box="[151,358,151,176]" class="Crinoidea" family="Bathycrinidae" genus="Pseudoconocrinus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Comatulida" pageId="29" pageNumber="80" phylum="Echinodermata" rank="genus" status="gen. nov.">
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<emphasis id="2BE5EAB3FFE3FF98D098FF4EFEB5FF48" box="[151,358,151,176]" italics="true" pageId="29" pageNumber="80">Pseudoconocrinus</emphasis>
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</taxonomicName>
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<emphasis id="2BE5EAB3FFE3FF98D17EFF4EFE17FF48" bold="true" box="[369,452,151,176]" pageId="29" pageNumber="80">
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<taxonomicNameLabel id="30D657C8FFE3FF98D17EFF4EFE17FF48" box="[369,452,151,176]" pageId="29" pageNumber="80" rank="genus">n. gen.</taxonomicNameLabel>
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</emphasis>
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However, its syzygy of a radiate crenularium at IBr1+2 contrasts with the smooth synostosis observed in Eocene
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<emphasis id="2BE5EAB3FFE3FF98D1FCFF64FDA5FF2C" box="[499,630,189,212]" italics="true" pageId="29" pageNumber="80">Conocrinus</emphasis>
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,
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<taxonomicName id="DE914D22FFE3FF98D28BFF64FCEAFF2C" authority="Roux & Eléaume & Améziane, 2019" authorityName="Roux & Eléaume & Améziane" authorityYear="2019" box="[644,825,189,212]" class="Crinoidea" family="Bathycrinidae" genus="Paraconocrinus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Comatulida" pageId="29" pageNumber="80" phylum="Echinodermata" rank="genus" status="gen. nov.">
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<emphasis id="2BE5EAB3FFE3FF98D28BFF64FCEAFF2C" box="[644,825,189,212]" italics="true" pageId="29" pageNumber="80">Paraconocrinus</emphasis>
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</taxonomicName>
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<emphasis id="2BE5EAB3FFE3FF98D330FF65FC5EFF2D" bold="true" box="[831,909,188,213]" pageId="29" pageNumber="80">
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<taxonomicNameLabel id="30D657C8FFE3FF98D330FF65FC5EFF2D" box="[831,909,188,213]" pageId="29" pageNumber="80" rank="genus">n. gen.</taxonomicNameLabel>
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</emphasis>
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and
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<taxonomicName id="DE914D22FFE3FF98D3CBFF65FB40FF2D" authority="Roux & Eléaume & Améziane, 2019" authorityName="Roux & Eléaume & Améziane" authorityYear="2019" box="[964,1171,188,213]" class="Crinoidea" family="Bathycrinidae" genus="Pseudoconocrinus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Comatulida" pageId="29" pageNumber="80" phylum="Echinodermata" rank="genus" status="gen. nov.">
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<emphasis id="2BE5EAB3FFE3FF98D3CBFF65FB40FF2D" box="[964,1171,188,213]" italics="true" pageId="29" pageNumber="80">Pseudoconocrinus</emphasis>
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</taxonomicName>
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<emphasis id="2BE5EAB3FFE3FF98D495FF65FB3AFF2D" bold="true" box="[1178,1257,188,213]" pageId="29" pageNumber="80">
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<taxonomicNameLabel id="30D657C8FFE3FF98D495FF65FB3AFF2D" box="[1178,1257,188,213]" pageId="29" pageNumber="80" rank="genus">n. gen.</taxonomicNameLabel>
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</emphasis>
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |