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<document id="F030DF64CFAD3A28CAEA2D8A3FFB168A" ID-DOI="10.11646/zootaxa.3990.3.4" ID-GBIF-Dataset="471bf6e4-a502-401c-bee1-3535ac5305e4" ID-ISSN="1175-5326" ID-Zenodo-Dep="243049" ID-ZooBank="08B0220E-DC57-439C-A5B7-706B2202B1A1" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1461269214861" checkinUser="plazi" docAuthor="Roux, Michel" docDate="2015" docId="03FFAD25FFC2FFE15483FB56A99EF99F" docLanguage="en" docName="zt03990p409.pdf" docOrigin="Zootaxa 3990 (3)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Thalassocrinus A.H. Clark 1911" docType="treatment" docVersion="8" lastPageNumber="405" masterDocId="FFC6D55DFFDAFFF95414FFD5AB2CFFA5" masterDocTitle="Crinoids of the stalked family Hyocrinidae (Echinodermata) collected by the USNS Eltanin in the Southern Ocean" masterLastPageNumber="409" masterPageNumber="381" pageNumber="405" updateTime="1698611283588" updateUser="plazi">
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<mods:title id="8A6E28E3F42DE3FDB85C1C49C7665775">Crinoids of the stalked family Hyocrinidae (Echinodermata) collected by the USNS Eltanin in the Southern Ocean</mods:title>
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<mods:namePart id="390FEED5AF5F121C3E6E5758D93759B3">Roux, Michel</mods:namePart>
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<emphasis id="B922C021FFC2FFE15483FB56A9AEFB38" bold="true" box="[151,642,1155,1181]" pageId="24" pageNumber="405">
Genus
<taxonomicName id="4C5667B0FFC2FFE154FAFB56A9AEFB38" ID-CoL="8G234" authority="A.H. Clark, 1911" authorityName="A.H. Clark" authorityYear="1911" box="[238,642,1155,1181]" class="Crinoidea" family="Hyocrinidae" genus="Thalassocrinus" higherTaxonomySource="CoL" kingdom="Animalia" order="Hyocrinida" pageId="24" pageNumber="405" phylum="Echinodermata" rank="genus">
<emphasis id="B922C021FFC2FFE154FAFB56AA84FB38" bold="true" box="[238,424,1155,1181]" italics="true" pageId="24" pageNumber="405">Thalassocrinus</emphasis>
<bibRefCitation id="EFC761C2FFC2FFE155BBFB56A9AEFB38" author="Clark" box="[431,642,1155,1181]" pageId="24" pageNumber="405" refString="Clark, A. H. (1911) Thalassocrinus, a new genus of stalked crinoids from East Indies. Proceedings of the United States national Museum, 39, 473 - 476. http: // dx. doi. org / 10.5479 / si. 00963801.39 - 1793.473" type="journal article" year="1911">A.H. Clark, 1911</bibRefCitation>
</taxonomicName>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C34C4FB8FFC2FFE15483FB1FA955FAB9" pageId="24" pageNumber="405" type="materials_examined">
<paragraph id="8BE91C33FFC2FFE15483FB1FA878FB7A" blockId="24.[151,1436,1225,1308]" box="[151,852,1225,1247]" pageId="24" pageNumber="405">
<typeStatus id="54EDA291FFC2FFE15483FB1FABE5FB7A" box="[151,201,1226,1247]" pageId="24" pageNumber="405">Type</typeStatus>
species of the genus:
<taxonomicName id="4C5667B0FFC2FFE155BCFB1CA87DFB7A" authority="A.H. Clark, 1911" authorityName="A.H. Clark" authorityYear="1911" box="[424,849,1225,1247]" class="Crinoidea" family="Hyocrinidae" genus="Thalassocrinus" higherTaxonomySource="CoL" kingdom="Animalia" order="Hyocrinida" pageId="24" pageNumber="405" phylum="Echinodermata" rank="species" species="pontifer">
<emphasis id="B922C021FFC2FFE155BCFB1CA9B5FB7A" box="[424,665,1225,1247]" italics="true" pageId="24" pageNumber="405">Thalassocrinus pontifer</emphasis>
<bibRefCitation id="EFC761C2FFC2FFE1568BFB1FA87DFB7A" author="Clark" box="[671,849,1225,1247]" pageId="24" pageNumber="405" refString="Clark, A. H. (1911) Thalassocrinus, a new genus of stalked crinoids from East Indies. Proceedings of the United States national Museum, 39, 473 - 476. http: // dx. doi. org / 10.5479 / si. 00963801.39 - 1793.473" type="journal article" year="1911">A.H. Clark, 1911</bibRefCitation>
</taxonomicName>
.
</paragraph>
<paragraph id="8BE91C33FFC2FFE15483FB3DA955FAB9" blockId="24.[151,1436,1225,1308]" pageId="24" pageNumber="405">
Synonymy:
<bibRefCitation id="EFC761C2FFC2FFE15500FB3DAAE4FB5B" author="Clark" box="[276,456,1256,1278]" pageId="24" pageNumber="405" refString="Clark, A. H. (1911) Thalassocrinus, a new genus of stalked crinoids from East Indies. Proceedings of the United States national Museum, 39, 473 - 476. http: // dx. doi. org / 10.5479 / si. 00963801.39 - 1793.473" type="journal article" year="1911">A.H. Clark, 1911</bibRefCitation>
: 174; 1915: 160;
<bibRefCitation id="EFC761C2FFC2FFE1566BFB3DA82AFB5B" author="Gislen" box="[639,774,1256,1278]" pageId="24" pageNumber="405" refString="Gislen, T. (1939) On the young of a stalked deep-sea crinoid and the affinities of the Hyocrinidae. Lunds Universitets Arsskrift, N. F., 34 (17), 1 - 18." type="journal article" year="1939">Gislén, 1939</bibRefCitation>
: 13; Roux, 1980: 4042;
<bibRefCitation id="EFC761C2FFC2FFE1501BFB3DAE07FB5B" author="Mironov" box="[1039,1323,1256,1278]" pageId="24" pageNumber="405" refString="Mironov, A. N. &amp; Sorokina, O. A. (1998) Sea lilies of the order Hyocrinida (Echinodermata, Crinoidea). Zoologicheskie Issledovania, 2, 1 - 117. [in Russian]" type="journal article" year="1998">Mironov &amp; Sorokina, 1998</bibRefCitation>
: 34; Roux, 2002: 174;
<bibRefCitation id="EFC761C2FFC2FFE1552EFAD2A905FAB9" author="Roux" box="[314,553,1286,1308]" pageId="24" pageNumber="405" refString="Roux, M. &amp; Lambert, P. (2011) Two new species of stalked crinoids from the north-eastern Pacific in the genera Gephyrocrinus and Ptilocrinus (Echinodermata, Crinoidea, Hyocrinidae). Effects of ontogeny and variability on hyocrinid taxonomy. Zootaxa, 2825, 1 - 54." type="journal article" year="2011">Roux &amp; Lambert, 2011</bibRefCitation>
: 48, 51.
</paragraph>
</subSubSection>
<subSubSection id="C34C4FB8FFC2FFE15483FA9CA99EF99F" pageId="24" pageNumber="405" type="discussion">
<paragraph id="8BE91C33FFC2FFE15483FA9CA99EF99F" blockId="24.[151,1436,1353,1594]" pageId="24" pageNumber="405">
<emphasis id="B922C021FFC2FFE15483FA9CAA27FAC7" bold="true" box="[151,267,1353,1378]" pageId="24" pageNumber="405">Remarks.</emphasis>
<bibRefCitation id="EFC761C2FFC2FFE1550CFA9FA917FAC7" author="Roux" box="[280,571,1353,1378]" pageId="24" pageNumber="405" refString="Roux, M. &amp; Lambert, P. (2011) Two new species of stalked crinoids from the north-eastern Pacific in the genera Gephyrocrinus and Ptilocrinus (Echinodermata, Crinoidea, Hyocrinidae). Effects of ontogeny and variability on hyocrinid taxonomy. Zootaxa, 2825, 1 - 54." type="journal article" year="2011">Roux &amp; Lambert (2011)</bibRefCitation>
suspected
<taxonomicName id="4C5667B0FFC2FFE156D7FA9CA842FAC7" box="[707,878,1353,1378]" class="Crinoidea" family="Hyocrinidae" genus="Thalassocrinus" higherTaxonomySource="CoL" kingdom="Animalia" order="Hyocrinida" pageId="24" pageNumber="405" phylum="Echinodermata" rank="genus">
<emphasis id="B922C021FFC2FFE156D7FA9CA842FAC7" box="[707,878,1353,1378]" italics="true" pageId="24" pageNumber="405">Thalassocrinus</emphasis>
</taxonomicName>
to be a polyphyletic genus. They pointed out significant differences in anal sac features that suggested close affinities between (1)
<taxonomicName id="4C5667B0FFC2FFE15060FABBAFC7FA23" box="[1140,1259,1390,1414]" class="Crinoidea" family="Hyocrinidae" genus="Thalassocrinus" higherTaxonomySource="CoL" kingdom="Animalia" order="Hyocrinida" pageId="24" pageNumber="405" phylum="Echinodermata" rank="species" species="pontifer">
<emphasis id="B922C021FFC2FFE15060FABBAFC7FA23" box="[1140,1259,1390,1414]" italics="true" pageId="24" pageNumber="405">T. pontifer</emphasis>
</taxonomicName>
and
<taxonomicName id="4C5667B0FFC2FFE15133FABBAACCFA0F" authority="Thomson, 1876" authorityName="Thomson" authorityYear="1876" class="Crinoidea" family="Hyocrinidae" genus="Hyocrinus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hyocrinida" pageId="24" pageNumber="405" phylum="Echinodermata" rank="species" species="bethellianus">
<emphasis id="B922C021FFC2FFE15133FABBAA0CFA0F" italics="true" pageId="24" pageNumber="405">Hyocrinus bethellianus</emphasis>
<bibRefCitation id="EFC761C2FFC2FFE1553EFA44AACCFA0F" author="Thomson" box="[298,480,1425,1450]" pageId="24" pageNumber="405" refString="Thomson, C. W. (1876) Notice on new living crinoids belonging to the Apiocrinidae. Journal of the Linnean Society of London, 13, 47 - 55. http: // dx. doi. org / 10.1111 / j. 1096 - 3642.1876. tb 00208. x" type="journal article" year="1876">Thomson, 1876</bibRefCitation>
</taxonomicName>
, (2)
<taxonomicName id="4C5667B0FFC2FFE1560EFA47A833FA0F" authority="Roux, 2002" authorityName="Roux" authorityYear="2002" box="[538,799,1425,1450]" class="Crinoidea" family="Hyocrinidae" genus="Thalassocrinus" higherTaxonomySource="CoL" kingdom="Animalia" order="Hyocrinida" pageId="24" pageNumber="405" phylum="Echinodermata" rank="species" species="alvinae">
<emphasis id="B922C021FFC2FFE1560EFA47A9A0FA0F" box="[538,652,1425,1450]" italics="true" pageId="24" pageNumber="405">T. alvinae</emphasis>
Roux, 2002
</taxonomicName>
, and
<taxonomicName id="4C5667B0FFC2FFE15774FA47AE37FA0F" authority="Mironov &amp; Sorokina, 1998" authorityName="Mironov &amp; Sorokina" authorityYear="1998" box="[864,1307,1425,1450]" class="Crinoidea" family="Hyocrinidae" genus="Thalassocrinus" higherTaxonomySource="CoL" kingdom="Animalia" order="Hyocrinida" pageId="24" pageNumber="405" phylum="Echinodermata" rank="species" species="clausus">
<emphasis id="B922C021FFC2FFE15774FA47A8FDFA0F" box="[864,977,1425,1450]" italics="true" pageId="24" pageNumber="405">T. clausus</emphasis>
<bibRefCitation id="EFC761C2FFC2FFE157C9FA44AE37FA0F" author="Mironov" box="[989,1307,1425,1450]" pageId="24" pageNumber="405" refString="Mironov, A. N. &amp; Sorokina, O. A. (1998) Sea lilies of the order Hyocrinida (Echinodermata, Crinoidea). Zoologicheskie Issledovania, 2, 1 - 117. [in Russian]" type="journal article" year="1998">Mironov &amp; Sorokina, 1998</bibRefCitation>
</taxonomicName>
, and (3)
<taxonomicName id="4C5667B0FFC2FFE15193FA47AABDFA6B" authority="Roux, 2002" authorityName="Roux" authorityYear="2002" class="Crinoidea" family="Hyocrinidae" genus="Thalassocrinus" higherTaxonomySource="CoL" kingdom="Animalia" order="Hyocrinida" pageId="24" pageNumber="405" phylum="Echinodermata" rank="species" species="mironovi">
<emphasis id="B922C021FFC2FFE15193FA47ABD7FA68" italics="true" pageId="24" pageNumber="405">T. mironovi</emphasis>
Roux, 2002
</taxonomicName>
, and
<taxonomicName id="4C5667B0FFC2FFE155C1FA60A89CFA6B" authority="Roux, 2004" authorityName="Roux" authorityYear="2004" box="[469,944,1461,1486]" class="Crinoidea" family="Hyocrinidae" genus="Laubiericrinus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hyocrinida" pageId="24" pageNumber="405" phylum="Echinodermata" rank="species" species="pentagonalis">
<emphasis id="B922C021FFC2FFE155C1FA60A835FA6B" box="[469,793,1461,1486]" italics="true" pageId="24" pageNumber="405">Laubiericrinus pentagonalis</emphasis>
<bibRefCitation id="EFC761C2FFC2FFE15730FA63A89CFA6B" author="Roux" box="[804,944,1462,1486]" pageId="24" pageNumber="405" refString="Roux, M. (2004) New hyocrinid crinoids (Echinodermata) from submersible investigations in the Pacific Ocean. Pacific Science, 58 (4), 597 - 613. http: // dx. doi. org / 10.1353 / psc. 2004.0042" type="journal article" year="2004">Roux, 2004</bibRefCitation>
</taxonomicName>
. Molecular phylogeny (
<bibRefCitation id="EFC761C2FFC2FFE150D3FA63AEB9FA6B" author="Roux" box="[1223,1429,1461,1486]" pageId="24" pageNumber="405" refString="Roux, M., Eleaume, M., Hemery, L. G. &amp; Ameziane, N. (2013) When morphology meets molecular data in crinoid phylogeny: a challenge. Cahiers de Biologie Marine, 54, 541 - 548." type="journal article" year="2013">
Roux
<emphasis id="B922C021FFC2FFE15106FA63AE62FA6B" box="[1298,1358,1461,1486]" italics="true" pageId="24" pageNumber="405">et al.</emphasis>
2013
</bibRefCitation>
) confirmed that
<taxonomicName id="4C5667B0FFC2FFE15556FA0FAA9AFA57" box="[322,438,1498,1522]" class="Crinoidea" family="Hyocrinidae" genus="Thalassocrinus" higherTaxonomySource="CoL" kingdom="Animalia" order="Hyocrinida" pageId="24" pageNumber="405" phylum="Echinodermata" rank="species" species="pontifer">
<emphasis id="B922C021FFC2FFE15556FA0FAA9AFA57" box="[322,438,1498,1522]" italics="true" pageId="24" pageNumber="405">T. pontifer</emphasis>
</taxonomicName>
and
<taxonomicName id="4C5667B0FFC2FFE155F8FA0FA9BBFA57" box="[492,663,1497,1522]" class="Crinoidea" family="Hyocrinidae" genus="Hyocrinus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hyocrinida" pageId="24" pageNumber="405" phylum="Echinodermata" rank="species" species="bethellianus">
<emphasis id="B922C021FFC2FFE155F8FA0FA9BBFA57" box="[492,663,1497,1522]" italics="true" pageId="24" pageNumber="405">H. bethellianus</emphasis>
</taxonomicName>
are closely related. DNA sequences from the four other species need to be added to get a better understanding of the interrelationships between these species. The genus
<taxonomicName id="4C5667B0FFC2FFE150E5FA28AEB0F9B3" box="[1265,1436,1533,1558]" class="Crinoidea" family="Hyocrinidae" genus="Thalassocrinus" higherTaxonomySource="CoL" kingdom="Animalia" order="Hyocrinida" pageId="24" pageNumber="405" phylum="Echinodermata" rank="genus" sensu="lato">
<emphasis id="B922C021FFC2FFE150E5FA28AEB0F9B3" box="[1265,1436,1533,1558]" italics="true" pageId="24" pageNumber="405">Thalassocrinus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2117D5AFFC2FFE15483F9F7AA2AF99F" box="[151,262,1569,1594]" pageId="24" pageNumber="405" sensu="lato">sensu lato</taxonomicNameLabel>
is therefore provisionally maintained.
</paragraph>
</subSubSection>
</treatment>
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