200 lines
29 KiB
XML
200 lines
29 KiB
XML
<document id="D629D683B43A867C7FE461A6579FD2EC" ID-CLB-Dataset="9070" ID-DOI="10.5852/ejt.2020.729.1193" ID-GBIF-Dataset="549807f7-2ce5-43fa-8a14-84f13c4ca82c" ID-Zenodo-Dep="4419816" ID-ZooBank="6F302AF9-0F04-4380-BA86-5A585C751711" IM.bibliography_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1609834831604" checkinUser="plazi" docAuthor="Eléaume, Marc, Roux, Michel & Philippe, Michel" docDate="2020" docId="B30387D7FF95CB37542EBED5C5A7E3F5" docLanguage="en" docName="ejt-729_121-137.pdf" docOrigin="European Journal of Taxonomy 729" docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.14:EJT.2018-.journal_article.type1" docStyleId="EF2B578F1D15862ADE45B0C07C620911" docStyleName="EJT.2018-.journal_article.type1" docStyleVersion="14" docTitle="Himerometridae A. H. Clark 1908" docType="treatment" docVersion="10" lastPageNumber="126" masterDocId="4F3AFFAFFF90CB325632BF3EC63DE621" masterDocTitle="Discometra luberonensis sp. nov. (Crinoidea, Himerometridae), a new feather star from the Late Burdigalian" masterLastPageNumber="137" masterPageNumber="121" pageNumber="126" updateTime="1698852673271" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="F19958BD6BFEB290E6F09FED8DC93CFF">Discometra luberonensis sp. nov. (Crinoidea, Himerometridae), a new feather star from the Late Burdigalian</mods:title>
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<mods:namePart id="16CC94F9C28D9B7DBC151334DD2DC7DD">Eléaume, Marc</mods:namePart>
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<mods:affiliation id="2F409098F85E16F3125F41E1D45BFC05">Muséum national d’histoire naturelle, CNRS, Sorbonne Université, EPHE, Université des Antilles, CP 51, 57 rue Cuvier, 75231 Paris Cedex 05, France.</mods:affiliation>
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<mods:nameIdentifier id="10FBEBD999B459AE63AD37D5D9AD0298" type="email">marc.eleaume@mnhn.fr</mods:nameIdentifier>
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<mods:namePart id="4053958E119BFD3C66E5D9703A858648">Roux, Michel</mods:namePart>
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<mods:affiliation id="917CBBC850A83FC3BFD1F7E1E93CBE7E">Muséum national d’histoire naturelle, CNRS, Sorbonne Université, EPHE, Université des Antilles, CP 51, 57 rue Cuvier, 75231 Paris Cedex 05, France.</mods:affiliation>
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<mods:nameIdentifier id="58671C3724FB8BCB85080EAF290AC10C" type="email">mich.roux51@gmail.com</mods:nameIdentifier>
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<mods:namePart id="A17A42F67A9D4DEFEA9ACD229847766D">Philippe, Michel</mods:namePart>
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<mods:affiliation id="C4C9EFF92D9B5243F58BD180D0FEA05C">Centre “ Louis Lortet ” de conservation et d’étude des collections (Musée des Confluences, Lyon) 13 A, rue Bancel - 69007 Lyon, France.</mods:affiliation>
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<mods:title id="6E86F7D5461741FDC673DADCAC09E967">European Journal of Taxonomy</mods:title>
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<mods:date id="9B4F46B942AF9A00D4FEA7FC8A1AAD3A">2020</mods:date>
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<treatment id="B30387D7FF95CB37542EBED5C5A7E3F5" ID-DOI="http://doi.org/10.5281/zenodo.4419818" ID-GBIF-Taxon="176434242" ID-Zenodo-Dep="4419818" LSID="urn:lsid:plazi:treatment:B30387D7FF95CB37542EBED5C5A7E3F5" httpUri="http://treatment.plazi.org/id/B30387D7FF95CB37542EBED5C5A7E3F5" lastPageNumber="126" pageId="5" pageNumber="126">
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<subSubSection id="73B0654AFF95CB37542EBED5C225E427" box="[540,1048,491,518]" pageId="5" pageNumber="126" type="nomenclature">
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<paragraph id="3B1536C1FF95CB37542EBED5C225E427" blockId="5.[540,1048,491,518]" box="[540,1048,491,518]" pageId="5" pageNumber="126">
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Family
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<taxonomicName id="FCAA4D42FF95CB375445BED5C225E427" ID-CoL="87C5F" authority="A. H. Clark, 1908" authorityName="A. H. Clark" authorityYear="1908" box="[631,1048,491,518]" class="Crinoidea" family="Himerometridae" kingdom="Animalia" order="Comatulida" pageId="5" pageNumber="126" phylum="Echinodermata" rank="family">
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<emphasis id="09DEEAD3FF95CB375445BED5C57AE424" bold="true" box="[631,839,491,517]" pageId="5" pageNumber="126">Himerometridae</emphasis>
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A.H. Clark, 1908
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<subSubSection id="73B0654AFF95CB37568FBD10C4CFE343" pageId="5" pageNumber="126" type="discussion">
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<heading id="605D81ADFF95CB37568FBD10C712E469" bold="true" box="[189,303,558,584]" fontSize="11" level="3" pageId="5" pageNumber="126" reason="3">
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<emphasis id="09DEEAD3FF95CB37568FBD10C712E469" bold="true" box="[189,303,558,584]" pageId="5" pageNumber="126">Remarks</emphasis>
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</heading>
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</paragraph>
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<paragraph id="3B1536C1FF95CB37568FBD63C4CFE343" blockId="5.[187,1401,604,1379]" pageId="5" pageNumber="126">
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<bibRefCitation id="5F3B4B30FF95CB37568FBD63C7E0E457" author="Hess H. & Messing C. G." box="[189,477,604,631]" pageId="5" pageNumber="126" pagination="70 - 159" refId="ref7846" refString="Hess H. & Messing C. G. 2011. Comatulida. In: Hess H., Messing C. G. & Ausich W. I. (eds) Treatise on Invertebrate Paleontology, Part T. Echinodermata 2 (Revised), Crinoidea, Vol. 3: 70 - 159. University of Kansas Press, Lawrence. https: // doi. org / 10.17161 / dt. v 0 i 0.5392" type="journal article" year="2011">Hess & Messing (2011)</bibRefCitation>
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placed
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<taxonomicName id="FCAA4D42FF95CB375472BD62C53DE457" authorityName="A. H. Clark" authorityYear="1908" box="[576,768,604,630]" class="Crinoidea" family="Himerometridae" kingdom="Animalia" order="Comatulida" pageId="5" pageNumber="126" phylum="Echinodermata" rank="family">Himerometridae</taxonomicName>
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within the superfamily
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<taxonomicName id="FCAA4D42FF95CB375214BD62C6C5E4BB" authority="A. H. Clark, 1909" authorityName="A. H. Clark" authorityYear="1909" pageId="5" pageNumber="126" rank="superFamily" superFamily="Mariametroidea">
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Mariametroidea A.H.
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<bibRefCitation id="5F3B4B30FF95CB37531CBD62C6C5E4BB" author="Clark A. H." pageId="5" pageNumber="126" pagination="1 - 22" refId="ref7483" refString="Clark A. H. 1909. A revision of the crinoid families Thalassometridae and Himerometridae. Proceedings of the Biological Society of Washington 22: 1 - 22." type="journal article" year="1909">Clark, 1909</bibRefCitation>
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</taxonomicName>
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(later changed to
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<taxonomicName id="FCAA4D42FF95CB3757F6BDBEC4AEE4BB" authorityName="A. H. Clark" authorityYear="1908" box="[452,659,640,666]" class="Crinoidea" higherTaxonomySource="GBIF" kingdom="Animalia" order="Comatulida" pageId="5" pageNumber="134" phylum="Echinodermata" rank="superFamily" superFamily="Himerometroidea">Himerometroidea</taxonomicName>
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by
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<bibRefCitation id="5F3B4B30FF95CB375488BDBEC5BBE4BB" author="Taylor K. H. & Rouse G. W. & Messing C. G." box="[698,902,640,666]" pageId="5" pageNumber="126" pagination="342 - 356" refId="ref8569" refString="Taylor K. H., Rouse G. W. & Messing C. G. 2017. Systematics of Himerometra (Echinodermata: Crinoidea: Himerometridae) based on morphology and molecular data. Zoological Journal of the Linnean Society 181: 342 - 356. https: // doi. org / 10.1093 / zoolinnean / zlx 009" type="journal article" year="2017">
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Taylor
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<emphasis id="09DEEAD3FF95CB375538BDBFC57EE4BB" box="[778,835,640,666]" italics="true" pageId="5" pageNumber="126">et al.</emphasis>
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2017
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</bibRefCitation>
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) in which rod-shaped basals are absent.All genera in
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<taxonomicName id="FCAA4D42FF95CB375703BD9DC7CCE49C" authorityName="A. H. Clark" authorityYear="1908" box="[305,497,675,701]" class="Crinoidea" family="Himerometridae" kingdom="Animalia" order="Comatulida" pageId="5" pageNumber="126" phylum="Echinodermata" rank="family">Himerometridae</taxonomicName>
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(
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<taxonomicName id="FCAA4D42FF95CB375434BD9AC54EE49F" authority="A. H. Clark, 1909" authorityName="A. H. Clark" authorityYear="1909" box="[518,883,675,702]" class="Crinoidea" family="Himerometridae" genus="Heterometra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Comatulida" pageId="5" pageNumber="126" phylum="Echinodermata" rank="genus">
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<emphasis id="09DEEAD3FF95CB375434BD9AC4A6E49C" box="[518,667,676,701]" italics="true" pageId="5" pageNumber="126">Heterometra</emphasis>
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A.H.
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<bibRefCitation id="5F3B4B30FF95CB3754D7BD9DC54EE49F" author="Clark A. H." box="[741,883,675,702]" pageId="5" pageNumber="126" pagination="1 - 22" refId="ref7483" refString="Clark A. H. 1909. A revision of the crinoid families Thalassometridae and Himerometridae. Proceedings of the Biological Society of Washington 22: 1 - 22." type="journal article" year="1909">Clark, 1909</bibRefCitation>
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</taxonomicName>
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||
,
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||
<taxonomicName id="FCAA4D42FF95CB3755B0BD9AC223E49C" authorityName="A. H. Clark" authorityYear="1907" box="[898,1054,676,701]" class="Crinoidea" family="Himerometridae" genus="Himerometra" higherTaxonomySource="CoL" kingdom="Animalia" order="Comatulida" pageId="5" pageNumber="126" phylum="Echinodermata" rank="genus">
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<emphasis id="09DEEAD3FF95CB3755B0BD9AC223E49C" box="[898,1054,676,701]" italics="true" pageId="5" pageNumber="126">Himerometra</emphasis>
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</taxonomicName>
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,
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<taxonomicName id="FCAA4D42FF95CB37521FBD9DC6C6E4C0" authority="A. H. Clark, 1909" authorityName="A. H. Clark" authorityYear="1909" class="Crinoidea" family="Himerometridae" genus="Craspedometra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Comatulida" pageId="5" pageNumber="126" phylum="Echinodermata" rank="genus">
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<emphasis id="09DEEAD3FF95CB37521FBD9DC2D9E49C" box="[1069,1252,675,701]" italics="true" pageId="5" pageNumber="126">Craspedometra</emphasis>
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A.H.
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<bibRefCitation id="5F3B4B30FF95CB37531CBD9DC6C6E4C0" author="Clark A. H." pageId="5" pageNumber="126" pagination="1 - 22" refId="ref7483" refString="Clark A. H. 1909. A revision of the crinoid families Thalassometridae and Himerometridae. Proceedings of the Biological Society of Washington 22: 1 - 22." type="journal article" year="1909">Clark, 1909</bibRefCitation>
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</taxonomicName>
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,
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<taxonomicName id="FCAA4D42FF95CB37573BBDF9C44BE4C0" authority="A. H. Clark, 1909" authorityName="A. H. Clark" authorityYear="1909" box="[265,630,711,737]" class="Crinoidea" family="Himerometridae" genus="Amphimetra" kingdom="Animalia" order="Comatulida" pageId="5" pageNumber="126" phylum="Echinodermata" rank="genus">
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<emphasis id="09DEEAD3FF95CB37573BBDF9C7A7E4C0" box="[265,410,711,737]" italics="true" pageId="5" pageNumber="126">Amphimetra</emphasis>
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A.H.
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||
<bibRefCitation id="5F3B4B30FF95CB3757D4BDF9C44BE4C0" author="Clark A. H." box="[486,630,711,737]" pageId="5" pageNumber="126" pagination="1 - 22" refId="ref7483" refString="Clark A. H. 1909. A revision of the crinoid families Thalassometridae and Himerometridae. Proceedings of the Biological Society of Washington 22: 1 - 22." type="journal article" year="1909">Clark, 1909</bibRefCitation>
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</taxonomicName>
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), except
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<taxonomicName id="FCAA4D42FF95CB3754D7BDF6C551E4C0" authorityName="Gislen" authorityYear="1924" box="[741,876,712,737]" class="Crinoidea" genus="Discometra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Comatulida" pageId="5" pageNumber="126" phylum="Echinodermata" rank="genus">
|
||
<emphasis id="09DEEAD3FF95CB3754D7BDF6C551E4C0" box="[741,876,712,737]" italics="true" pageId="5" pageNumber="126">Discometra</emphasis>
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||
</taxonomicName>
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||
, show coelomic grooves on the adoral side of centrodorsal.
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||
<taxonomicName id="FCAA4D42FF95CB3757B0BDD5C42EE524" authorityName="A. H. Clark" authorityYear="1909" box="[386,531,747,773]" class="Crinoidea" family="Himerometridae" genus="Amphimetra" kingdom="Animalia" order="Comatulida" pageId="5" pageNumber="126" phylum="Echinodermata" rank="genus">
|
||
<emphasis id="09DEEAD3FF95CB3757B0BDD5C42EE524" box="[386,531,747,773]" italics="true" pageId="5" pageNumber="126">Amphimetra</emphasis>
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||
</taxonomicName>
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||
has multiple radiate coelomic grooves while
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||
<taxonomicName id="FCAA4D42FF95CB375204BDD2C2F4E524" authorityName="A. H. Clark" authorityYear="1909" box="[1078,1225,748,773]" class="Crinoidea" family="Himerometridae" genus="Heterometra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Comatulida" pageId="5" pageNumber="126" phylum="Echinodermata" rank="genus">
|
||
<emphasis id="09DEEAD3FF95CB375204BDD2C2F4E524" box="[1078,1225,748,773]" italics="true" pageId="5" pageNumber="126">Heterometra</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="FCAA4D42FF95CB3752EBBDD2C34BE524" authorityName="A. H. Clark" authorityYear="1907" box="[1241,1398,748,773]" class="Crinoidea" family="Himerometridae" genus="Himerometra" higherTaxonomySource="CoL" kingdom="Animalia" order="Comatulida" pageId="5" pageNumber="126" phylum="Echinodermata" rank="genus">
|
||
<emphasis id="09DEEAD3FF95CB3752EBBDD2C34BE524" box="[1241,1398,748,773]" italics="true" pageId="5" pageNumber="126">Himerometra</emphasis>
|
||
</taxonomicName>
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||
and
|
||
<taxonomicName id="FCAA4D42FF95CB3756C1BC30C797E509" authorityName="A. H. Clark" authorityYear="1909" box="[243,426,782,808]" class="Crinoidea" family="Himerometridae" genus="Craspedometra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Comatulida" pageId="5" pageNumber="126" phylum="Echinodermata" rank="genus">
|
||
<emphasis id="09DEEAD3FF95CB3756C1BC30C797E509" box="[243,426,782,808]" italics="true" pageId="5" pageNumber="126">Craspedometra</emphasis>
|
||
</taxonomicName>
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||
show Y-shaped grooves with more or less wide branches. In
|
||
<taxonomicName id="FCAA4D42FF95CB375297BC31C313E509" authorityName="Gislen" authorityYear="1924" box="[1189,1326,783,808]" class="Crinoidea" genus="Discometra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Comatulida" pageId="5" pageNumber="126" phylum="Echinodermata" rank="genus">
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||
<emphasis id="09DEEAD3FF95CB375297BC31C313E509" box="[1189,1326,783,808]" italics="true" pageId="5" pageNumber="126">Discometra</emphasis>
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||
</taxonomicName>
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, such Y-shaped features are present as canals included in the stereom and located just beneath the surface of the proximal facet of radials (
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<bibRefCitation id="5F3B4B30FF95CB37540CBC68C4C2E551" author="Fontannes C. F." box="[574,767,854,880]" pageId="5" pageNumber="126" pagination="410 - 416" refId="ref7705" refString="Fontannes C. F. 1880. Etudes stratigraphiques et paleontologiques pour servir a l'histoire de la periode tertiaire dans le bassin du Rhone. Description de quelques especes nouvelles ou peu connues. Crinoides. Annales de la Societe d'Agriculture, Histoire naturelle et Arts utiles de Lyon 5 (1): 410 - 416." type="journal article" year="1880">Fontannes 1880</bibRefCitation>
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; Sieverts-Doreck 1961). As a consequence, coelomic grooves are absent from the adoral surface of the centrodorsal. In
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||
<taxonomicName id="FCAA4D42FF95CB375589BC44C265E5B2" authorityName="A. H. Clark" authorityYear="1907" box="[955,1112,890,915]" class="Crinoidea" family="Himerometridae" genus="Himerometra" higherTaxonomySource="CoL" kingdom="Animalia" order="Comatulida" pageId="5" pageNumber="126" phylum="Echinodermata" rank="genus">
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<emphasis id="09DEEAD3FF95CB375589BC44C265E5B2" box="[955,1112,890,915]" italics="true" pageId="5" pageNumber="126">Himerometra</emphasis>
|
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</taxonomicName>
|
||
, the aboral facet of each radial displays a pair of wide grooves running in parallel in the inner part and diverging in a Y shape in the outer part; this feature is also visible on the oral side of the centrodorsal (
|
||
<figureCitation id="A3912A44FF95CB375208BCFEC2A5E5FA" box="[1082,1176,960,987]" captionStart="Fig" captionStartId="9.[189,232,1706,1732]" captionTargetBox="[189,1398,780,1668]" captionTargetId="figure-107@9.[189,1398,780,1668]" captionTargetPageId="9" captionText="Fig. 3. Centrodorsal and radials in Himerometridae A.H. Clark, 1908. A–D. Himerometra robustipinna (Carpenter, 1881) (MNHN-IE-2012-862). A. Adoral side of centrodorsal. B. Cirrus sockets on lateral face of centrodorsal.C–D. Radials.C. Adoral view showing vermiculate grooves on inner face.D. Distal articular facet. E. Discometra rhodanica (Fontannes, 1877) from Picabrier (MHNL 20.062687), cirrus sockets on centrodorsal. Scale bars: A–D = 1 mm; E = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4419826" httpUri="https://zenodo.org/record/4419826/files/figure.png" pageId="5" pageNumber="126">Fig. 3A</figureCitation>
|
||
). Coelomic groove patterns are very similar in
|
||
<taxonomicName id="FCAA4D42FF95CB3757CDBCDBC4A1E5DF" authorityName="A. H. Clark" authorityYear="1907" box="[511,668,997,1022]" class="Crinoidea" family="Himerometridae" genus="Himerometra" higherTaxonomySource="CoL" kingdom="Animalia" order="Comatulida" pageId="5" pageNumber="126" phylum="Echinodermata" rank="genus">
|
||
<emphasis id="09DEEAD3FF95CB3757CDBCDBC4A1E5DF" box="[511,668,997,1022]" italics="true" pageId="5" pageNumber="126">Himerometra</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<figureCitation id="A3912A44FF95CB37549EBCDAC535E5DF" box="[684,776,996,1022]" captionStart="Fig" captionStartId="9.[189,232,1706,1732]" captionTargetBox="[189,1398,780,1668]" captionTargetId="figure-107@9.[189,1398,780,1668]" captionTargetPageId="9" captionText="Fig. 3. Centrodorsal and radials in Himerometridae A.H. Clark, 1908. A–D. Himerometra robustipinna (Carpenter, 1881) (MNHN-IE-2012-862). A. Adoral side of centrodorsal. B. Cirrus sockets on lateral face of centrodorsal.C–D. Radials.C. Adoral view showing vermiculate grooves on inner face.D. Distal articular facet. E. Discometra rhodanica (Fontannes, 1877) from Picabrier (MHNL 20.062687), cirrus sockets on centrodorsal. Scale bars: A–D = 1 mm; E = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4419826" httpUri="https://zenodo.org/record/4419826/files/figure.png" pageId="5" pageNumber="126">Fig. 3A</figureCitation>
|
||
) and
|
||
<taxonomicName id="FCAA4D42FF95CB37557BBCDBC5EFE5DF" authorityName="Gislen" authorityYear="1924" box="[841,978,997,1022]" class="Crinoidea" genus="Discometra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Comatulida" pageId="5" pageNumber="126" phylum="Echinodermata" rank="genus">
|
||
<emphasis id="09DEEAD3FF95CB37557BBCDBC5EFE5DF" box="[841,978,997,1022]" italics="true" pageId="5" pageNumber="126">Discometra</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<figureCitation id="A3912A44FF95CB3755D0BCDAC214E5DF" box="[994,1065,996,1022]" captionStart="Fig" captionStartId="10.[189,232,1837,1863]" captionTargetBox="[191,1396,1258,1797]" captionTargetId="figure-346@10.[189,1398,1257,1798]" captionTargetPageId="10" captionText="Fig. 4. Cross sections near aboral surface of radial circlet showing Y-shaped coelomic canals in the genus Discometra Gislèn, 1924. A. Discometra rhodanica (Fontannes, 1877). B. Discometra eggenburgensis (Schaffer, 1912). Modified from Sieverts-Doreck (1961) in which A was modified from Fontannes (1880)." figureDoi="http://doi.org/10.5281/zenodo.4419828" httpUri="https://zenodo.org/record/4419828/files/figure.png" pageId="5" pageNumber="126">Fig. 4</figureCitation>
|
||
) but differ markedly in each of the other genera (
|
||
<bibRefCitation id="5F3B4B30FF95CB37579FBB36C447E203" author="Rasmussen H. W." box="[429,634,1032,1058]" pageId="5" pageNumber="126" pagination="813 - 1027" refId="ref8327" refString="Rasmussen H. W. 1978. Articulata. In: Moore R. C. & Teichert C. (eds) Treatise on Invertebrate Paleontology, Part T. Echinodermata 2, Crinoidea Vol. 3: T 813 - 1027. Geological Society of America, Boulder, CO, and The University of Kansas Press, Lawrence, KS. https: // doi. org / 10.17161 / dt. v 0 i 0.5649" type="journal article" year="1978">Rasmussen 1978</bibRefCitation>
|
||
: figs 593–594). The numerous radiating coelomic grooves (A.H.
|
||
<bibRefCitation id="5F3B4B30FF95CB37568FBB15C77FE267" author="Clark A. H." box="[189,322,1067,1094]" pageId="5" pageNumber="126" pagination="1 - 406" refId="ref7513" refString="Clark A. H. 1915. A monograph of the existing crinoids, Vol. 1. The comatulids, pt. 1. Bulletin of the United States National Museum 82: 1 - 406. https: // doi. org / 10.5962 / bhl. title. 1326" type="journal article" year="1915">Clark 1915</bibRefCitation>
|
||
) distinguish
|
||
<taxonomicName id="FCAA4D42FF95CB3757EFBB15C453E264" authorityName="A. H. Clark" authorityYear="1909" box="[477,622,1067,1093]" class="Crinoidea" family="Himerometridae" genus="Amphimetra" kingdom="Animalia" order="Comatulida" pageId="5" pageNumber="126" phylum="Echinodermata" rank="genus">
|
||
<emphasis id="09DEEAD3FF95CB3757EFBB15C453E264" box="[477,622,1067,1093]" italics="true" pageId="5" pageNumber="126">Amphimetra</emphasis>
|
||
</taxonomicName>
|
||
the most from the other genera, and Hemery (2011),
|
||
<bibRefCitation id="5F3B4B30FF95CB3752DBBB15C762E248" author="Summers M. M. & Rouse G. W." pageId="5" pageNumber="126" pagination="1 - 27" refId="ref8514" refString="Summers M. M. & Rouse G. W. 2014. Phylogeny of Myzostomida (Annelida) and their relationships with echinoderm hosts. BMC Evolutionary Biology 14 (1): 1 - 27. https: // doi. org / 10.1186 / s 12862 - 014 - 0170 - 7" type="journal article" year="2014">Summers & Rouse (2014)</bibRefCitation>
|
||
and
|
||
<bibRefCitation id="5F3B4B30FF95CB3757AEBB71C4B9E248" author="Taylor K. H. & Rouse G. W. & Messing C. G." box="[412,644,1103,1129]" pageId="5" pageNumber="126" pagination="342 - 356" refId="ref8569" refString="Taylor K. H., Rouse G. W. & Messing C. G. 2017. Systematics of Himerometra (Echinodermata: Crinoidea: Himerometridae) based on morphology and molecular data. Zoological Journal of the Linnean Society 181: 342 - 356. https: // doi. org / 10.1093 / zoolinnean / zlx 009" type="journal article" year="2017">
|
||
Taylor
|
||
<emphasis id="09DEEAD3FF95CB3757C0BB6EC410E248" box="[498,557,1103,1129]" italics="true" pageId="5" pageNumber="126">et al.</emphasis>
|
||
(2017)
|
||
</bibRefCitation>
|
||
questioned its attribution to
|
||
<taxonomicName id="FCAA4D42FF95CB3755EDBB71C29EE248" authorityName="A. H. Clark" authorityYear="1908" box="[991,1187,1103,1129]" class="Crinoidea" family="Himerometridae" kingdom="Animalia" order="Comatulida" pageId="5" pageNumber="126" phylum="Echinodermata" rank="family">Himerometridae</taxonomicName>
|
||
. In
|
||
<taxonomicName id="FCAA4D42FF95CB3752E0BB6EC352E248" authorityName="A. H. Clark" authorityYear="1907" box="[1234,1391,1104,1129]" class="Crinoidea" family="Himerometridae" genus="Himerometra" higherTaxonomySource="CoL" kingdom="Animalia" order="Comatulida" pageId="5" pageNumber="126" phylum="Echinodermata" rank="genus">
|
||
<emphasis id="09DEEAD3FF95CB3752E0BB6EC352E248" box="[1234,1391,1104,1129]" italics="true" pageId="5" pageNumber="126">Himerometra</emphasis>
|
||
</taxonomicName>
|
||
, the general shape of the centrodorsal varies from hemispherical to almost discoidal. The insertions of cirri on the centrodorsal have a very variable aspect on the same individual, with or without a slight rectangular transverse relief (
|
||
<figureCitation id="A3912A44FF95CB375410BB84C4BFE2F5" box="[546,642,1210,1236]" captionStart="Fig" captionStartId="9.[189,232,1706,1732]" captionTargetBox="[189,1398,780,1668]" captionTargetId="figure-107@9.[189,1398,780,1668]" captionTargetPageId="9" captionText="Fig. 3. Centrodorsal and radials in Himerometridae A.H. Clark, 1908. A–D. Himerometra robustipinna (Carpenter, 1881) (MNHN-IE-2012-862). A. Adoral side of centrodorsal. B. Cirrus sockets on lateral face of centrodorsal.C–D. Radials.C. Adoral view showing vermiculate grooves on inner face.D. Distal articular facet. E. Discometra rhodanica (Fontannes, 1877) from Picabrier (MHNL 20.062687), cirrus sockets on centrodorsal. Scale bars: A–D = 1 mm; E = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4419826" httpUri="https://zenodo.org/record/4419826/files/figure.png" pageId="5" pageNumber="126">Fig. 3B</figureCitation>
|
||
). The radial circlet delimits a more or less wide adoral cavity whose flanks corresponding to the inner face of the radials are sculpted by strong vermiculate figures (
|
||
<figureCitation id="A3912A44FF95CB3756F4BA3FC719E33A" box="[198,292,1281,1307]" captionStart="Fig" captionStartId="9.[189,232,1706,1732]" captionTargetBox="[189,1398,780,1668]" captionTargetId="figure-107@9.[189,1398,780,1668]" captionTargetPageId="9" captionText="Fig. 3. Centrodorsal and radials in Himerometridae A.H. Clark, 1908. A–D. Himerometra robustipinna (Carpenter, 1881) (MNHN-IE-2012-862). A. Adoral side of centrodorsal. B. Cirrus sockets on lateral face of centrodorsal.C–D. Radials.C. Adoral view showing vermiculate grooves on inner face.D. Distal articular facet. E. Discometra rhodanica (Fontannes, 1877) from Picabrier (MHNL 20.062687), cirrus sockets on centrodorsal. Scale bars: A–D = 1 mm; E = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4419826" httpUri="https://zenodo.org/record/4419826/files/figure.png" pageId="5" pageNumber="126">Fig. 3C</figureCitation>
|
||
). The distal articular facet of the radials is sub-trapezoidal, the internal (adoral) ligamentary areas, with no distinguishable limit adorally, are separated by a large depression, and the muscular areas are reduced and nearly inconspicuous (
|
||
<figureCitation id="A3912A44FF95CB3754B4BA76C4D9E343" box="[646,740,1352,1378]" captionStart="Fig" captionStartId="9.[189,232,1706,1732]" captionTargetBox="[189,1398,780,1668]" captionTargetId="figure-107@9.[189,1398,780,1668]" captionTargetPageId="9" captionText="Fig. 3. Centrodorsal and radials in Himerometridae A.H. Clark, 1908. A–D. Himerometra robustipinna (Carpenter, 1881) (MNHN-IE-2012-862). A. Adoral side of centrodorsal. B. Cirrus sockets on lateral face of centrodorsal.C–D. Radials.C. Adoral view showing vermiculate grooves on inner face.D. Distal articular facet. E. Discometra rhodanica (Fontannes, 1877) from Picabrier (MHNL 20.062687), cirrus sockets on centrodorsal. Scale bars: A–D = 1 mm; E = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4419826" httpUri="https://zenodo.org/record/4419826/files/figure.png" pageId="5" pageNumber="126">Fig. 3D</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="73B0654AFF95CB37568FBAB4C5A7E3F5" pageId="5" pageNumber="126" type="description">
|
||
<paragraph id="3B1536C1FF95CB37568FBAB4C7F6E385" blockId="5.[189,459,1418,1444]" box="[189,459,1418,1444]" pageId="5" pageNumber="126">
|
||
<heading id="605D81ADFF95CB37568FBAB4C7F6E385" bold="true" box="[189,459,1418,1444]" fontSize="11" level="3" pageId="5" pageNumber="126" reason="3">
|
||
<emphasis id="09DEEAD3FF95CB37568FBAB4C7F6E385" bold="true" box="[189,459,1418,1444]" pageId="5" pageNumber="126">Stratigraphical range</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="3B1536C1FF95CB37568FBA87C5A7E3F5" blockId="5.[189,922,1465,1492]" box="[189,922,1465,1492]" pageId="5" pageNumber="126">Miocene–Recent (Western Pacific), possibly since the Eocene.</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |