164 lines
25 KiB
XML
164 lines
25 KiB
XML
<document id="06933AA7A7ABB35E3F7A0B3C954561B3" ID-CLB-Dataset="9089" ID-DOI="10.11646/zootaxa.4861.1.10" ID-GBIF-Dataset="8ce4aff4-106f-4fa8-934d-3c300713b7ba" ID-ISSN="1175-5326" ID-Zenodo-Dep="4414475" ID-ZooBank="DA9B3880-5E5C-4D27-A4F6-4A37860CBE18" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1609707509354" checkinUser="plazi" docAuthor="Gale, Andrew S." docDate="2020" docId="03CC0A295A43AA5E6BB6DD0DFBE219ED" docLanguage="en" docName="zootaxa.4861.1.10.pdf" docOrigin="Zootaxa 4861 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Eoastropecten sechuanensis Gale 2020, sp. nov." docType="treatment" docVersion="6" lastPageNumber="143" masterDocId="FFF572515A40AA5A6B21DC4DFFAE1B68" masterDocTitle="A new comb-star (Asteroidea, Astropectinidae) from the Upper Triassic (Carnian) of China" masterLastPageNumber="144" masterPageNumber="139" pageNumber="142" updateTime="1698852074895" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="28D2E7A9A8D97AF8EBC635DEF67E41D9">A new comb-star (Asteroidea, Astropectinidae) from the Upper Triassic (Carnian) of China</mods:title>
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<mods:name id="F725A0054D971B8D4A48238C47D05AD5" type="personal">
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<mods:namePart id="D257F92901B22F8F3448446A7D227F61">Gale, Andrew S.</mods:namePart>
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<mods:affiliation id="69894F2DEF2F66E8E5014037C09FF752">School of the Environment, Geography and Geological Sciences, University of Portsmouth, Burnaby Building, Burnaby Road, Ports- & Department of Earth Sciences, Natural History Museum, Cromwell Road, London SW 75 BD U. K. https: // orcid. org 0000 - 0002 - 2075 - 3689</mods:affiliation>
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<mods:typeOfResource id="70FEB0514FF2E88D00C909F1931FFBC4">text</mods:typeOfResource>
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<mods:title id="E8491EABCC20A3DD7DA5E07E1F52CAC4">Zootaxa</mods:title>
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<mods:part id="CBBC2D7EC226FA4D5842B611F9EF9A63">
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<mods:date id="CC8B4755B38401D5B9BA3A42C6AD0721">2020</mods:date>
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<mods:number id="F54FAAD7BAC078605DF07FCB5421D1D3">2020-10-15</mods:number>
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<mods:number id="1AA04549743B03343660D59B05D05E70">4861</mods:number>
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<mods:identifier id="E4B681DCF6431075323EB626786DF20E" type="CLB-Dataset">9089</mods:identifier>
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<mods:identifier id="7615CEA5AAC6E39EBD1A742114072712" type="DOI">10.11646/zootaxa.4861.1.10</mods:identifier>
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<treatment id="03CC0A295A43AA5E6BB6DD0DFBE219ED" ID-DOI="http://doi.org/10.5281/zenodo.4414433" ID-GBIF-Taxon="176420752" ID-Zenodo-Dep="4414433" LSID="urn:lsid:plazi:treatment:03CC0A295A43AA5E6BB6DD0DFBE219ED" httpUri="http://treatment.plazi.org/id/03CC0A295A43AA5E6BB6DD0DFBE219ED" lastPageId="4" lastPageNumber="143" pageId="3" pageNumber="142">
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<subSubSection id="C37FE8B45A43AA596BB6DD0DFDFC1A32" box="[151,594,319,346]" pageId="3" pageNumber="142" type="nomenclature">
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<paragraph id="8BDABB3F5A43AA596BB6DD0DFDFC1A32" blockId="3.[151,594,319,382]" box="[151,594,319,346]" pageId="3" pageNumber="142">
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<heading id="D0920C535A43AA596BB6DD0DFDFC1A32" bold="true" box="[151,594,319,346]" fontSize="11" level="1" pageId="3" pageNumber="142" reason="1">
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<emphasis id="B911672D5A43AA596BB6DD0DFDFC1A32" bold="true" box="[151,594,319,346]" pageId="3" pageNumber="142">
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<taxonomicName id="4C65C0BC5A43AA596BB6DD0DFE421A32" authority="Gale, 2020" authorityName="Gale" authorityYear="2020" box="[151,492,319,346]" class="Asteroidea" family="Astropectinidae" genus="Eoastropecten" kingdom="Animalia" order="Paxillosida" pageId="3" pageNumber="142" phylum="Echinodermata" rank="species" species="sechuanensis" status="sp. nov.">
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<emphasis id="B911672D5A43AA596BB6DD0DFE421A32" bold="true" box="[151,492,319,346]" italics="true" pageId="3" pageNumber="142">Eoastropecten sechuanensis</emphasis>
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||
</taxonomicName>
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<taxonomicNameLabel id="A222DA565A43AA596AD5DD0DFDFC1A32" box="[500,594,320,346]" pageId="3" pageNumber="142" rank="species">sp. nov.</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="C37FE8B45A43AA596BB6DD29FE851A16" box="[151,299,356,382]" pageId="3" pageNumber="142" type="description">
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<paragraph id="8BDABB3F5A43AA596BB6DD29FE851A16" blockId="3.[151,594,319,382]" box="[151,299,356,382]" pageId="3" pageNumber="142">
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<figureCitation id="135EA7BA5A43AA596BB6DD29FF5A1A16" box="[151,244,356,382]" captionStart="FIGURE 2" captionStartId="2.[151,250,1390,1414]" captionTargetBox="[151,1437,181,1366]" captionTargetId="figure-24@2.[151,1437,181,1366]" captionTargetPageId="2" captionText="FIGURE 2. A–H, Eoastropecten sechuanensis gen. et sp. nov., marginal ossicles. A, E, holotype superomarginal in abactinal (A) and proximal (E) view (MHI2183/1). B, paratype superomarginal in proximal/distal view (MHI2183/6). C, D, paratype inferomarginal in actinal (C) and distal (D) views (MHI2183/3). B, paratype superomarginal in proximal/distal views (MHI2183/2). F–H, paratype superomarginals in abactinal view (MHI2183/4, /5). I, unidentified astropectind superomarginal in abactinal view (NHMUK EE 17700). J, astropectinid superomarginal in abactinal view (NHMUK PI EE 17701). K, L, marginals of living astropectinid Craspidaster hesperus (Müller & Troschel, 1840), J, superomarginal in abactinal view. K, L, supero-inferomarginal pair.A–H, Maantang Formation (Carnian, Triassic), sample C30, Jiancougou, Sechuan Province, China. I, Lower Oxfordian, Andelot-Morval, Départment du Jura, France. J–L, Recent, Hong Kong." figureDoi="http://doi.org/10.5281/zenodo.4414479" httpUri="https://zenodo.org/record/4414479/files/figure.png" pageId="3" pageNumber="142">Figure 2</figureCitation>
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A–H
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</paragraph>
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||
</subSubSection>
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||
<subSubSection id="C37FE8B45A43AA596BB6DDEBFE031AA9" box="[151,429,422,449]" pageId="3" pageNumber="142" type="diagnosis">
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<paragraph id="8BDABB3F5A43AA596BB6DDEBFE031AA9" blockId="3.[151,429,422,449]" box="[151,429,422,449]" pageId="3" pageNumber="142">
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<emphasis id="B911672D5A43AA596BB6DDEBFEBC1AA8" bold="true" box="[151,274,422,448]" pageId="3" pageNumber="142">Diagnosis.</emphasis>
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As for genus.
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</paragraph>
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</subSubSection>
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<caption id="DF1AEBB75A43AA596BB6DB24FE311C85" ID-DOI="http://doi.org/10.5281/zenodo.4414482" ID-Zenodo-Dep="4414482" httpUri="https://zenodo.org/record/4414482/files/figure.png" pageId="3" pageNumber="142" startId="3.[151,250,1897,1921]" targetBox="[323,1263,481,1867]" targetPageId="3">
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<paragraph id="8BDABB3F5A43AA596BB6DB24FE311C85" blockId="3.[151,1437,1897,2029]" pageId="3" pageNumber="142">
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<emphasis id="B911672D5A43AA596BB6DB24FE9D1CE9" bold="true" box="[151,307,1897,1921]" pageId="3" pageNumber="142">FIGURE 3. A,</emphasis>
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First occurrence of selected neoasteroid orders and families (data from
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<taxonomicName id="4C65C0BC5A43AA596F38DB24FB2A1CE9" authority="Gale, 2020" authorityName="Gale" authorityYear="2020" box="[1049,1156,1897,1921]" class="Magnoliopsida" family="Myricaceae" genus="Gale" kingdom="Plantae" order="Fagales" pageId="3" pageNumber="140" phylum="Tracheophyta" rank="genus" status="gen. nov.">
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<bibRefCitation id="EFF4C6CE5A43AA596F38DB24FB2A1CE9" author="Gale, A. S." box="[1049,1156,1897,1921]" pageId="3" pageNumber="142" pagination="1 - 112" refId="ref2520" refString="Gale, A. S. (2011) Phylogeny of the Neoasteroidea (post-Palaeozoic Asteroidea, Echinodermata). Special Papers in Palaeontology, 85, 1 - 112." type="journal article" year="2011">Gale 2011</bibRefCitation>
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</taxonomicName>
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,
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<bibRefCitation id="EFF4C6CE5A43AA596FB1DB24FB691CE9" author="Gale, A. S." box="[1168,1223,1897,1921]" pageId="3" pageNumber="142" pagination="279 - 318" refId="ref2551" refString="Gale, A. S. (2018) Origin and phylogeny of the velatid asteroids-new evidence from the Jurassic. Swiss Journal of Palaeontology, 137, 279 - 318. https: // doi. org / 10.1007 / s 13358 - 018 - 0155 - z" type="journal article" year="2018">2018</bibRefCitation>
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||
). B, stratigraphically calibrated consensus tree from
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<bibRefCitation id="EFF4C6CE5A43AA596AF8DBC0FDE01CCD" author="Gale, A. S." box="[473,590,1933,1957]" pageId="3" pageNumber="142" pagination="1 - 112" refId="ref2520" refString="Gale, A. S. (2011) Phylogeny of the Neoasteroidea (post-Palaeozoic Asteroidea, Echinodermata). Special Papers in Palaeontology, 85, 1 - 112." type="journal article" year="2011">
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<taxonomicName id="4C65C0BC5A43AA596AF8DBC0FDA71CCD" authority="Gale, 2020" authorityName="Gale" authorityYear="2020" box="[473,521,1933,1957]" class="Magnoliopsida" family="Myricaceae" genus="Gale" kingdom="Plantae" order="Fagales" pageId="3" pageNumber="140" phylum="Tracheophyta" rank="genus" status="gen. nov.">Gale</taxonomicName>
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(2011
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</bibRefCitation>
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, text-fig. 27), showing that the order of first occurrences matches the topology of the tree. This is a strict consensus tree, unconstrained simultaneous analysis, default outgroup, optimised to deltran, based on morphological characters.
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</paragraph>
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</caption>
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<subSubSection id="C37FE8B45A44AA5E6BE6DCDAFAA41A2A" pageId="4" pageNumber="143" type="materials_examined">
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||
<paragraph id="8BDABB3F5A44AA5E6BE6DCDAFB881BBE" blockId="4.[151,1437,150,645]" pageId="4" pageNumber="143">
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||
<emphasis id="B911672D5A44AA5E6BE6DCDAFED91BD8" bold="true" box="[199,375,150,177]" pageId="4" pageNumber="143">Type material.</emphasis>
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||
<materialsCitation id="3B0DB1625A44AA5E6AA1DCDAFB8C1BBE" ID-GBIF-Occurrence="3008819303" country="Germany" location="Germany" pageId="4" pageNumber="143" specimenCount="2" typeStatus="holotype">
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||
The superomarginal figured (
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<figureCitation id="135EA7BA5A44AA5E69ECDCDAFCE61BD9" box="[717,840,151,177]" captionStart="FIGURE 2" captionStartId="2.[151,250,1390,1414]" captionTargetBox="[151,1437,181,1366]" captionTargetId="figure-24@2.[151,1437,181,1366]" captionTargetPageId="2" captionText="FIGURE 2. A–H, Eoastropecten sechuanensis gen. et sp. nov., marginal ossicles. A, E, holotype superomarginal in abactinal (A) and proximal (E) view (MHI2183/1). B, paratype superomarginal in proximal/distal view (MHI2183/6). C, D, paratype inferomarginal in actinal (C) and distal (D) views (MHI2183/3). B, paratype superomarginal in proximal/distal views (MHI2183/2). F–H, paratype superomarginals in abactinal view (MHI2183/4, /5). I, unidentified astropectind superomarginal in abactinal view (NHMUK EE 17700). J, astropectinid superomarginal in abactinal view (NHMUK PI EE 17701). K, L, marginals of living astropectinid Craspidaster hesperus (Müller & Troschel, 1840), J, superomarginal in abactinal view. K, L, supero-inferomarginal pair.A–H, Maantang Formation (Carnian, Triassic), sample C30, Jiancougou, Sechuan Province, China. I, Lower Oxfordian, Andelot-Morval, Départment du Jura, France. J–L, Recent, Hong Kong." figureDoi="http://doi.org/10.5281/zenodo.4414479" httpUri="https://zenodo.org/record/4414479/files/figure.png" pageId="4" pageNumber="143">Fig. 2A, E</figureCitation>
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||
) is the
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<typeStatus id="54DE059D5A44AA5E6881DCDAFBAC1BD9" box="[928,1026,151,177]" pageId="4" pageNumber="143" type="holotype">holotype</typeStatus>
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||
(Muschelkalkmuseum, Ingelfingen,
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<collectingCountry id="F372FBAF5A44AA5E6BB6DCF6FEAE1BBD" box="[151,256,187,213]" name="Germany" pageId="4" pageNumber="143">Germany</collectingCountry>
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, MHI 2183/1), the other figured ossicles are
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<typeStatus id="54DE059D5A44AA5E69D6DCF6FCCC1BBD" box="[759,866,187,213]" pageId="4" pageNumber="143" type="paratype">paratypes</typeStatus>
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(MHI 2183/2-6)
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</materialsCitation>
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||
.
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</paragraph>
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<paragraph id="8BDABB3F5A44AA5E6BE6DC93FD531B91" blockId="4.[151,1437,150,645]" box="[199,765,222,249]" pageId="4" pageNumber="143">
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||
<emphasis id="B911672D5A44AA5E6BE6DC93FE141B90" bold="true" box="[199,442,222,248]" pageId="4" pageNumber="143">Additional material.</emphasis>
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25 marginal ossicles (MHI).
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</paragraph>
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<paragraph id="8BDABB3F5A44AA5E6BE6DD4EFCB21A75" blockId="4.[151,1437,150,645]" box="[199,796,258,285]" pageId="4" pageNumber="143">
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||
<materialsCitation id="3B0DB1625A44AA5E6BE6DD4EFCB61A75" ID-GBIF-Occurrence="3008819302" box="[199,792,258,285]" country="China" location="Jiancougou" municipality="Sechuan Province" pageId="4" pageNumber="143" specimenCount="1" typeStatus="holotype">
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||
<emphasis id="B911672D5A44AA5E6BE6DD4EFEC81A74" bold="true" box="[199,358,258,285]" pageId="4" pageNumber="143">
|
||
<typeStatus id="54DE059D5A44AA5E6BE6DD4EFEAC1A75" box="[199,258,259,285]" pageId="4" pageNumber="143">Type</typeStatus>
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||
locality.
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||
</emphasis>
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||
<location id="8EBAEDE45A44AA5E6A4DDD4EFE401A75" LSID="urn:lsid:plazi:treatment:03CC0A295A43AA5E6BB6DD0DFBE219ED:8EBAEDE45A44AA5E6A4DDD4EFE401A75" box="[364,494,259,285]" country="China" municipality="Sechuan Province" name="Jiancougou" pageId="4" pageNumber="143">Jiancougou</location>
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||
,
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||
<collectingMunicipality id="6BBE21455A44AA5E6ADBDD4EFD681A75" box="[506,710,259,285]" pageId="4" pageNumber="143">Sechuan Province</collectingMunicipality>
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||
,
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||
<collectingCountry id="F372FBAF5A44AA5E69F0DD4EFCB61A75" box="[721,792,259,285]" name="China" pageId="4" pageNumber="143">China</collectingCountry>
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||
</materialsCitation>
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||
.
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||
</paragraph>
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||
<paragraph id="8BDABB3F5A44AA5E6BE6DD6AFAA41A2A" blockId="4.[151,1437,150,645]" box="[199,1290,295,322]" pageId="4" pageNumber="143">
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||
<materialsCitation id="3B0DB1625A44AA5E6BE6DD6AFAA91A2A" ID-GBIF-Occurrence="3008819301" box="[199,1287,295,322]" county="Upper Triassic" location="Maantang Formation" municipality="Carnian" pageId="4" pageNumber="143" specimenCount="1" typeStatus="holotype">
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||
<emphasis id="B911672D5A44AA5E6BE6DD6AFEC11A29" bold="true" box="[199,367,295,321]" pageId="4" pageNumber="143">
|
||
<typeStatus id="54DE059D5A44AA5E6BE6DD6AFEAC1A29" box="[199,258,295,321]" pageId="4" pageNumber="143">Type</typeStatus>
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||
stratum.
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||
</emphasis>
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||
<location id="8EBAEDE45A44AA5E6A57DD6AFDCC1A29" LSID="urn:lsid:plazi:treatment:03CC0A295A43AA5E6BB6DD0DFBE219ED:8EBAEDE45A44AA5E6A57DD6AFDCC1A29" box="[374,610,295,321]" county="Upper Triassic" municipality="Carnian" name="Maantang Formation" pageId="4" pageNumber="143">Maantang Formation</location>
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||
(sample C30 of
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||
<bibRefCitation id="EFF4C6CE5A44AA5E683DDD6AFC771A29" author="Forel, M. - B. & Thuy, B. & Wisshak, M." box="[796,985,295,321]" pageId="4" pageNumber="143" pagination="1 - 29" refId="ref2393" refString="Forel, M. - B., Thuy, B. & Wisshak, M. (2019) Digging into the ancestral stocks of Jurassic lineages: ostracods (Crustacea) from Carnian (Late Triassic) sponge mounds from the Maantang Formation (South China). BSGF-Earth Science Bulletin, 190 (9), 1 - 29. https: // doi. org / 10.1051 / bsgf / 2019009" type="journal article" year="2019">
|
||
Forel
|
||
<emphasis id="B911672D5A44AA5E687FDD6AFC381A29" box="[862,918,295,321]" italics="true" pageId="4" pageNumber="143">et al.</emphasis>
|
||
2019
|
||
</bibRefCitation>
|
||
),
|
||
<collectingMunicipality id="6BBE21455A44AA5E68CDDD6AFBEB1A29" box="[1004,1093,295,321]" pageId="4" pageNumber="143">Carnian</collectingMunicipality>
|
||
(
|
||
<collectingCounty id="62BBC3B35A44AA5E6F72DD6AFB511A2A" box="[1107,1279,295,322]" pageId="4" pageNumber="143">Upper Triassic</collectingCounty>
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||
)
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||
</materialsCitation>
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||
.
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||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C37FE8B45A44AA5E6BE6DD06FD4F1A0D" box="[199,737,331,357]" pageId="4" pageNumber="143" type="etymology">
|
||
<paragraph id="8BDABB3F5A44AA5E6BE6DD06FD4F1A0D" blockId="4.[151,1437,150,645]" box="[199,737,331,357]" pageId="4" pageNumber="143">
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||
<emphasis id="B911672D5A44AA5E6BE6DD06FEE01A0D" bold="true" box="[199,334,331,357]" pageId="4" pageNumber="143">Etymology.</emphasis>
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||
Named after the Sechuan Province.
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="C37FE8B45A44AA5E6BE6DD23FBE219ED" pageId="4" pageNumber="143" type="description">
|
||
<paragraph id="8BDABB3F5A44AA5E6BE6DD23FBE219ED" blockId="4.[151,1437,150,645]" pageId="4" pageNumber="143">
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<emphasis id="B911672D5A44AA5E6BE6DD23FEF71AE0" bold="true" box="[199,345,366,392]" pageId="4" pageNumber="143">Description.</emphasis>
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External surfaces of marginals with well-defined, depressed rim of even width. Sculpture of raised central region consisting of fine, evenly sized rugosities, partly conjoined by narrow, radiating strips of stereom (
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<figureCitation id="135EA7BA5A44AA5E6B81DDFAFF541AB9" box="[160,250,439,465]" captionStart="FIGURE 2" captionStartId="2.[151,250,1390,1414]" captionTargetBox="[151,1437,181,1366]" captionTargetId="figure-24@2.[151,1437,181,1366]" captionTargetPageId="2" captionText="FIGURE 2. A–H, Eoastropecten sechuanensis gen. et sp. nov., marginal ossicles. A, E, holotype superomarginal in abactinal (A) and proximal (E) view (MHI2183/1). B, paratype superomarginal in proximal/distal view (MHI2183/6). C, D, paratype inferomarginal in actinal (C) and distal (D) views (MHI2183/3). B, paratype superomarginal in proximal/distal views (MHI2183/2). F–H, paratype superomarginals in abactinal view (MHI2183/4, /5). I, unidentified astropectind superomarginal in abactinal view (NHMUK EE 17700). J, astropectinid superomarginal in abactinal view (NHMUK PI EE 17701). K, L, marginals of living astropectinid Craspidaster hesperus (Müller & Troschel, 1840), J, superomarginal in abactinal view. K, L, supero-inferomarginal pair.A–H, Maantang Formation (Carnian, Triassic), sample C30, Jiancougou, Sechuan Province, China. I, Lower Oxfordian, Andelot-Morval, Départment du Jura, France. J–L, Recent, Hong Kong." figureDoi="http://doi.org/10.5281/zenodo.4414479" httpUri="https://zenodo.org/record/4414479/files/figure.png" pageId="4" pageNumber="143">Fig. 2G</figureCitation>
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). Rugosities non-aligned and evenly spaced on superomarginals, but arranged into irregular, oblique rows on the inferomarginals (
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<figureCitation id="135EA7BA5A44AA5E6A87DD96FDAE1A9D" box="[422,512,475,501]" captionStart="FIGURE 2" captionStartId="2.[151,250,1390,1414]" captionTargetBox="[151,1437,181,1366]" captionTargetId="figure-24@2.[151,1437,181,1366]" captionTargetPageId="2" captionText="FIGURE 2. A–H, Eoastropecten sechuanensis gen. et sp. nov., marginal ossicles. A, E, holotype superomarginal in abactinal (A) and proximal (E) view (MHI2183/1). B, paratype superomarginal in proximal/distal view (MHI2183/6). C, D, paratype inferomarginal in actinal (C) and distal (D) views (MHI2183/3). B, paratype superomarginal in proximal/distal views (MHI2183/2). F–H, paratype superomarginals in abactinal view (MHI2183/4, /5). I, unidentified astropectind superomarginal in abactinal view (NHMUK EE 17700). J, astropectinid superomarginal in abactinal view (NHMUK PI EE 17701). K, L, marginals of living astropectinid Craspidaster hesperus (Müller & Troschel, 1840), J, superomarginal in abactinal view. K, L, supero-inferomarginal pair.A–H, Maantang Formation (Carnian, Triassic), sample C30, Jiancougou, Sechuan Province, China. I, Lower Oxfordian, Andelot-Morval, Départment du Jura, France. J–L, Recent, Hong Kong." figureDoi="http://doi.org/10.5281/zenodo.4414479" httpUri="https://zenodo.org/record/4414479/files/figure.png" pageId="4" pageNumber="143">Fig. 2C</figureCitation>
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). Interradial superomarginals short, median ossicles wedging slightly towards lateral border (
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<figureCitation id="135EA7BA5A44AA5E6A05DDB2FE2E1971" box="[292,384,511,537]" captionStart="FIGURE 2" captionStartId="2.[151,250,1390,1414]" captionTargetBox="[151,1437,181,1366]" captionTargetId="figure-24@2.[151,1437,181,1366]" captionTargetPageId="2" captionText="FIGURE 2. A–H, Eoastropecten sechuanensis gen. et sp. nov., marginal ossicles. A, E, holotype superomarginal in abactinal (A) and proximal (E) view (MHI2183/1). B, paratype superomarginal in proximal/distal view (MHI2183/6). C, D, paratype inferomarginal in actinal (C) and distal (D) views (MHI2183/3). B, paratype superomarginal in proximal/distal views (MHI2183/2). F–H, paratype superomarginals in abactinal view (MHI2183/4, /5). I, unidentified astropectind superomarginal in abactinal view (NHMUK EE 17700). J, astropectinid superomarginal in abactinal view (NHMUK PI EE 17701). K, L, marginals of living astropectinid Craspidaster hesperus (Müller & Troschel, 1840), J, superomarginal in abactinal view. K, L, supero-inferomarginal pair.A–H, Maantang Formation (Carnian, Triassic), sample C30, Jiancougou, Sechuan Province, China. I, Lower Oxfordian, Andelot-Morval, Départment du Jura, France. J–L, Recent, Hong Kong." figureDoi="http://doi.org/10.5281/zenodo.4414479" httpUri="https://zenodo.org/record/4414479/files/figure.png" pageId="4" pageNumber="143">Fig. 2G</figureCitation>
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); distal superomarginals broad, rectangular (
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<figureCitation id="135EA7BA5A44AA5E685BDDB2FBB91971" box="[890,1047,511,537]" captionStart="FIGURE 2" captionStartId="2.[151,250,1390,1414]" captionTargetBox="[151,1437,181,1366]" captionTargetId="figure-24@2.[151,1437,181,1366]" captionTargetPageId="2" captionText="FIGURE 2. A–H, Eoastropecten sechuanensis gen. et sp. nov., marginal ossicles. A, E, holotype superomarginal in abactinal (A) and proximal (E) view (MHI2183/1). B, paratype superomarginal in proximal/distal view (MHI2183/6). C, D, paratype inferomarginal in actinal (C) and distal (D) views (MHI2183/3). B, paratype superomarginal in proximal/distal views (MHI2183/2). F–H, paratype superomarginals in abactinal view (MHI2183/4, /5). I, unidentified astropectind superomarginal in abactinal view (NHMUK EE 17700). J, astropectinid superomarginal in abactinal view (NHMUK PI EE 17701). K, L, marginals of living astropectinid Craspidaster hesperus (Müller & Troschel, 1840), J, superomarginal in abactinal view. K, L, supero-inferomarginal pair.A–H, Maantang Formation (Carnian, Triassic), sample C30, Jiancougou, Sechuan Province, China. I, Lower Oxfordian, Andelot-Morval, Départment du Jura, France. J–L, Recent, Hong Kong." figureDoi="http://doi.org/10.5281/zenodo.4414479" httpUri="https://zenodo.org/record/4414479/files/figure.png" pageId="4" pageNumber="143">Fig. 2A, F, H</figureCitation>
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). In proximal/distal view, external face evenly curved. Inferomarginals (
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<figureCitation id="135EA7BA5A44AA5E691CDE6EFD181955" box="[573,694,547,573]" captionStart="FIGURE 2" captionStartId="2.[151,250,1390,1414]" captionTargetBox="[151,1437,181,1366]" captionTargetId="figure-24@2.[151,1437,181,1366]" captionTargetPageId="2" captionText="FIGURE 2. A–H, Eoastropecten sechuanensis gen. et sp. nov., marginal ossicles. A, E, holotype superomarginal in abactinal (A) and proximal (E) view (MHI2183/1). B, paratype superomarginal in proximal/distal view (MHI2183/6). C, D, paratype inferomarginal in actinal (C) and distal (D) views (MHI2183/3). B, paratype superomarginal in proximal/distal views (MHI2183/2). F–H, paratype superomarginals in abactinal view (MHI2183/4, /5). I, unidentified astropectind superomarginal in abactinal view (NHMUK EE 17700). J, astropectinid superomarginal in abactinal view (NHMUK PI EE 17701). K, L, marginals of living astropectinid Craspidaster hesperus (Müller & Troschel, 1840), J, superomarginal in abactinal view. K, L, supero-inferomarginal pair.A–H, Maantang Formation (Carnian, Triassic), sample C30, Jiancougou, Sechuan Province, China. I, Lower Oxfordian, Andelot-Morval, Départment du Jura, France. J–L, Recent, Hong Kong." figureDoi="http://doi.org/10.5281/zenodo.4414479" httpUri="https://zenodo.org/record/4414479/files/figure.png" pageId="4" pageNumber="143">Fig. 2C, D</figureCitation>
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) broad, short, with low profile, strongly convex at abactinolateral margin. Proximal actinal surface embayed for articulation of actinal ossicles. The rectangular abactinal outline of the marginals can be taken as evidence that the interradial arcs were evenly concave.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |