394 lines
74 KiB
XML
394 lines
74 KiB
XML
<document id="255B03D48E26EFCCC97BE568F954AF57" ID-CLB-Dataset="22017" ID-DOI="10.5852/ejt.2014.76" ID-GBIF-Dataset="6f3572d0-0a33-42fa-94d1-88028a541cdb" ID-ISSN="2118-9773" ID-Zenodo-Dep="3835020" ID-ZooBank="01BEFFB2-2E53-4B1E-A7BC-36702313BBF8" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1589939423581" checkinUser="tatiana" docAuthor="Okanishi, Masanori & Fujita, Toshihiko" docDate="2014" docId="03917D3BD90FF762B7187E1AFD550D2A" docLanguage="en" docName="ejt-2014-76.pdf.imf" docOrigin="European Journal of Taxonomy 76" docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.14:EJT.2018-.journal_article.type1" docStyleId="EF2B578F1D15862ADE45B0C07C620911" docStyleName="EJT.2018-.journal_article.type1" docStyleVersion="14" docTitle="Asterostegus tuberculatus Mortensen 1933" docType="treatment" docVersion="7" lastPageNumber="17" masterDocId="FFA80543D904F772B50F7C50FFB80E14" masterDocTitle="A taxonomic review of the genus Asterostegus (Echinodermata: Ophiuroidea), with the description of a new species" masterLastPageNumber="18" masterPageNumber="1" pageNumber="12" updateTime="1698840348160" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-3.0" zenodo-license-figures="CC-BY-3.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="4163CCB874E85AE23EE72BE429ABEA07">A taxonomic review of the genus Asterostegus (Echinodermata: Ophiuroidea), with the description of a new species</mods:title>
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<mods:namePart id="E8E610F887F9AA83A326CD8BC18D2781">Okanishi, Masanori</mods:namePart>
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<mods:namePart id="E2558935185F89FE504CB9DC78F44F6C">Fujita, Toshihiko</mods:namePart>
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<mods:affiliation id="E4293B944E34F7686A0739B892AEA642">National Museum of Nature and Science, 4 - 1 - 1 Amakubo, Tsukuba, Ibaraki, 305 - 0005 Japan & urn: lsid: zoobank. org: author: D 5 B 6 C 696 - 9 E 5 B- 4012 - A 9 A 9 - 4716 DD 2 BA 2 C 3</mods:affiliation>
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<mods:title id="3560D4227DD1E0FBE122D9D6F6C1B2C7">European Journal of Taxonomy</mods:title>
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<mods:date id="74046F461150CC48519882752D44151A">2014</mods:date>
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<treatment id="03917D3BD90FF762B7187E1AFD550D2A" ID-DOI="http://doi.org/10.5281/zenodo.3851747" ID-GBIF-Taxon="164241189" ID-Zenodo-Dep="3851747" LSID="urn:lsid:plazi:treatment:03917D3BD90FF762B7187E1AFD550D2A" httpUri="http://treatment.plazi.org/id/03917D3BD90FF762B7187E1AFD550D2A" lastPageId="16" lastPageNumber="17" pageId="11" pageNumber="12">
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<subSubSection id="C3229FA6D90FF779B7187E1AFBA50C70" box="[535,1053,586,613]" pageId="11" pageNumber="12" type="nomenclature">
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<paragraph id="8B87CC2DD90FF779B7187E1AFBA50C70" blockId="11.[535,1053,586,647]" box="[535,1053,586,613]" pageId="11" pageNumber="12">
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<heading id="D0CF7B41D90FF779B7187E1AFBA50C70" box="[535,1053,586,613]" centered="true" fontSize="11" level="2" pageId="11" pageNumber="12" reason="2">
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<taxonomicName id="4C38B7AED90FF779B7187E1AFBA50C70" ID-CoL="5W7W3" authority="Mortensen, 1933" authorityName="Mortensen" authorityYear="1933" box="[535,1053,586,613]" class="Ophiuroidea" family="Euryalidae" genus="Asterostegus" kingdom="Animalia" order="Euryalida" pageId="11" pageNumber="12" phylum="Echinodermata" rank="species" species="tuberculatus">
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<emphasis id="B94C103FD90FF779B7187E1AFCF70C71" bold="true" box="[535,847,586,613]" italics="true" pageId="11" pageNumber="12">Asterostegus tuberculatus</emphasis>
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Mortensen, 1933
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</taxonomicName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C3229FA6D90FF779B7ED7E3DFCE90C93" box="[738,849,621,647]" pageId="11" pageNumber="12" type="description">
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<paragraph id="8B87CC2DD90FF779B7ED7E3DFCE90C93" blockId="11.[535,1053,586,647]" box="[738,849,621,647]" pageId="11" pageNumber="12">
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<figureCitation id="1303D0A8D90FF779B7ED7E3DFCE90C93" box="[738,849,621,647]" captionStart-0="Fig" captionStart-1="Fig" captionStart-2="Fig" captionStart-3="Fig" captionStartId-0="12.[189,232,1790,1816]" captionStartId-1="13.[189,232,1824,1850]" captionStartId-2="14.[189,232,1897,1923]" captionStartId-3="15.[189,232,1896,1922]" captionTargetBox-0="[254,1322,268,1748]" captionTargetBox-1="[192,1398,363,1779]" captionTargetBox-2="[191,1398,672,1857]" captionTargetBox-3="[189,1399,323,1843]" captionTargetId-0="figure@12.[249,1324,265,1751]" captionTargetId-1="figure@13.[189,1398,359,1779]" captionTargetId-2="figure@14.[189,1398,669,1857]" captionTargetId-3="figure@15.[187,1399,321,1843]" captionTargetPageId-0="12" captionTargetPageId-1="13" captionTargetPageId-2="14" captionTargetPageId-3="15" captionText-0="Fig. 7. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral disc and proximal portion of arm. B. Aboral periphery of disc. C. Aboral central disc. D. Oral disc. E. Jaws. F. Oral periphery of disc. G. Oral periphery of disc, skin removed to observe internal ossicles, oral interradial plates of the same row are connected by black bars. H. Lateral disc, an arrow indicates madreporite. I. Aboral proximal portion of arm. Abbreviations: ADS = adoral shield, GEO = granule-shaped external ossicle, GS = genital slit, LB = lateral bar, OIP = oral interradial plate, OP = oral papillae, Te = teeth, Ten = tentacle, Tu = tubercle." captionText-1="Fig. 8. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461), SEM photographs. A-C. Lateral arm plates from middle portion of arm: internal view (A), oral view (B) and external view (C). D-F. Late-ral arm plates from distal portion of arm: external view (D), internal view (E) and oral view (F). G-I. Arm spines from proximal portion (G), middle portion (H) and distal portion, an arc indicates lamina (I). J-K. Tubercles on proximal portion of arm: external view (J) and lateral view (K). Abbreviations: MO = muscle opening, NO = nerve opening, ST = secondary tooth." captionText-2="Fig. 9. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral middle portion of arm. B. Aboral distal portion of arm. C. Oral proximal portion of arm. D. Oral middle portion of arm. E. Oral distal portion of arm. F. Lateral distal portion of arm. Abbreviations: AS = arm spine, LAP = lateral arm plate, Tu = tubercle." captionText-3="Fig. 10. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461), SEM photographs. A-D. Vertebra from middle portion of arm: distal view (A), aboral view (B), oral view (C) and lateral view (D). E-H. Vertebrae from distal portion of arm: distal view (E), aboral view (F), oral view (G) and lateral view (H). Abbreviations: K = knob, OB = oral bridge." figureDoi-0="http://doi.org/10.5281/zenodo.3835034" figureDoi-1="http://doi.org/10.5281/zenodo.3835036" figureDoi-2="http://doi.org/10.5281/zenodo.3835038" figureDoi-3="http://doi.org/10.5281/zenodo.3835040" httpUri-0="https://zenodo.org/record/3835034/files/figure.png" httpUri-1="https://zenodo.org/record/3835036/files/figure.png" httpUri-2="https://zenodo.org/record/3835038/files/figure.png" httpUri-3="https://zenodo.org/record/3835040/files/figure.png" pageId="11" pageNumber="12">Figs 7-10</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="C3229FA6D90FF779B5B27EFFFB1A0D1E" pageId="11" pageNumber="12" type="reference_group">
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<paragraph id="8B87CC2DD90FF779B5B27EFFFBC80CDE" blockId="11.[189,1136,687,714]" box="[189,1136,687,714]" pageId="11" pageNumber="12">
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<treatmentCitationGroup id="AB28EB03D90FF779B5B27EFFFBC80CDE" box="[189,1136,687,714]" pageId="11" pageNumber="12">
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<treatmentCitation id="0A99EA3CD90FF779B5B27EFFFBD40CDE" box="[189,1132,687,714]" pageId="11" pageNumber="12">
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<taxonomicName id="4C38B7AED90FF779B5B27EFFFC950CDD" ID-CoL="5W7W3" authority="Mortensen, 1933: 298 - 300" authorityName="Mortensen" authorityPageNumber="298 - 300" authorityYear="1933" box="[189,813,687,713]" class="Ophiuroidea" family="Euryalidae" genus="Asterostegus" kingdom="Animalia" order="Euryalida" pageId="11" pageNumber="12" phylum="Echinodermata" rank="species" species="tuberculatus">
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<emphasis id="B94C103FD90FF779B5B27EFFFE530CDD" box="[189,491,687,713]" italics="true" pageId="11" pageNumber="12">Asterostegus tuberculatus</emphasis>
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Mortensen, 1933: 298-300
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</taxonomicName>
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, figs 24-25, pl. 19; figs 4-5
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</treatmentCitation>
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.
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</paragraph>
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<paragraph id="8B87CC2DD90FF779B5B27EA1FB1A0D1E" blockId="11.[189,1186,752,779]" box="[189,1186,752,779]" pageId="11" pageNumber="12">
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<treatmentCitationGroup id="AB28EB03D90FF779B5B27EA1FB1A0D1E" box="[189,1186,752,779]" pageId="11" pageNumber="12">
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<taxonomicName id="4C38B7AED90FF779B5B27EA1FE530D1E" ID-CoL="5W7W3" authorityName="Mortensen" authorityYear="1933" box="[189,491,752,779]" class="Ophiuroidea" family="Euryalidae" genus="Asterostegus" kingdom="Animalia" order="Euryalida" pageId="11" pageNumber="12" phylum="Echinodermata" rank="species" species="tuberculatus">
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<emphasis id="B94C103FD90FF779B5B27EA1FE530D1E" box="[189,491,752,779]" italics="true" pageId="11" pageNumber="12">Asterostegus tuberculatus</emphasis>
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</taxonomicName>
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–
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<treatmentCitation id="0A99EA3CD90FF779B7077EA0FB260D1E" author="Okanishi M. & Fujita T." box="[520,1182,752,779]" page="568" pageId="11" pageNumber="12" year="2013">
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<bibRefCitation id="EFA9B1DCD90FF779B7077EA0FCE40D1F" author="Okanishi M. & Fujita T." box="[520,860,752,779]" pageId="11" pageNumber="12" pagination="566 - 580" refId="ref6762" refString="Okanishi M. & Fujita T. 2013. Molecular phylogeny based on increased number of species and genes revealed more robust family-level systematics of the order Euryalida (Echinodermata: Ophiuroidea). Molecular Phylogenetics and Evolution 69: 566 - 580. http: // dx. doi. org / 10.1016 / j. ympev. 2013.07.021" type="journal article" year="2013">Okanishi & Fujita 2013: 568</bibRefCitation>
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, 572, 575, fig. 1, tables 2-3
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</treatmentCitation>
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.
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</treatmentCitationGroup>
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</paragraph>
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</subSubSection>
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<subSubSection id="C3229FA6D90FF779B5B27F61FE5B0DD5" pageId="11" pageNumber="12" type="diagnosis">
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<paragraph id="8B87CC2DD90FF779B5B27F61FE8E0D5F" blockId="11.[189,310,817,843]" box="[189,310,817,843]" pageId="11" pageNumber="12">
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<heading id="D0CF7B41D90FF779B5B27F61FE8E0D5F" bold="true" box="[189,310,817,843]" fontSize="11" level="3" pageId="11" pageNumber="12" reason="3">
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<emphasis id="B94C103FD90FF779B5B27F61FE8E0D5F" bold="true" box="[189,310,817,843]" pageId="11" pageNumber="12">Diagnosis</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8B87CC2DD90FF779B5B27F30FE5B0DD5" blockId="11.[189,1399,864,961]" pageId="11" pageNumber="12">
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Tubercles present on periphery of radial shields as well as interradial periphery of disc,
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<emphasis id="B94C103FD90FF779B1BD7F31FB6D0D6E" box="[1202,1237,865,890]" italics="true" pageId="11" pageNumber="12">ca.</emphasis>
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<quantity id="4CC061C8D90FF779B1D47F30FA8D0D6F" box="[1243,1333,864,891]" metricMagnitude="-1" metricUnit="m" metricValue="3.5" pageId="11" pageNumber="12" unit="mm" value="350.0">350 µm</quantity>
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long. On proximal portion of arm, two or three tubercles on top of each lateral bar. Five to eight oral interradial plates forming two rows.
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</paragraph>
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</subSubSection>
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<subSubSection id="C3229FA6D90FF779B5B27FB8FABD0A25" pageId="11" pageNumber="12" type="materials_examined">
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<paragraph id="8B87CC2DD90FF779B5B27FB8FE120A16" blockId="11.[189,426,1000,1026]" box="[189,426,1000,1026]" pageId="11" pageNumber="12">
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<heading id="D0CF7B41D90FF779B5B27FB8FE120A16" bold="true" box="[189,426,1000,1026]" fontSize="11" level="3" pageId="11" pageNumber="12" reason="3">
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<emphasis id="B94C103FD90FF779B5B27FB8FE120A16" bold="true" box="[189,426,1000,1026]" pageId="11" pageNumber="12">Material examined</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8B87CC2DD90FF779B5B27846FABD0A25" blockId="11.[189,1285,1046,1073]" box="[189,1285,1046,1073]" pageId="11" pageNumber="12">
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<materialsCitation id="3B50C670D90FF779B5B27846FABD0A25" ID-GBIF-Occurrence="2620874304" box="[189,1285,1046,1073]" pageId="11" pageNumber="12">
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SMNH-123461, one ethanol preserved specimen, west coast of
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<collectingCountry id="F32F8CBDD90FF779B6A67847FBE70A25" box="[937,1119,1047,1073]" name="Reunion Island" pageId="11" pageNumber="12">Reunion Island</collectingCountry>
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,
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<quantity id="4CC061C8D90FF779B1657846FB0E0A25" box="[1130,1206,1046,1073]" metricMagnitude="2" metricUnit="m" metricValue="5.0" pageId="11" pageNumber="12" unit="m" value="500.0">500 m</quantity>
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, 2009.
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</materialsCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="C3229FA6D90FF762B5B27808FE8A0FE7" lastPageId="16" lastPageNumber="17" pageId="11" pageNumber="12" type="description">
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<paragraph id="8B87CC2DD90FF779B5B27808FEF60A66" blockId="11.[189,334,1112,1138]" box="[189,334,1112,1138]" pageId="11" pageNumber="12">
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<heading id="D0CF7B41D90FF779B5B27808FEF60A66" bold="true" box="[189,334,1112,1138]" fontSize="11" level="3" pageId="11" pageNumber="12" reason="3">
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<emphasis id="B94C103FD90FF779B5B27808FEF60A66" bold="true" box="[189,334,1112,1138]" pageId="11" pageNumber="12">Description</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8B87CC2DD90FF779B5B278D7FBF30AB5" blockId="11.[189,1099,1158,1185]" box="[189,1099,1158,1185]" pageId="11" pageNumber="12">
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MEASUREMENTS. SMNH-123461: disc diameter
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<quantity id="4CC061C8D90FF779B7E978D6FCE90AB5" box="[742,849,1158,1185]" metricMagnitude="-2" metricUnit="m" metricValue="1.45" pageId="11" pageNumber="12" unit="mm" value="14.5">14.5 mm</quantity>
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, arm length
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<quantity id="4CC061C8D90FF779B6ED78D6FBFF0AB5" box="[994,1095,1158,1185]" metricMagnitude="-1" metricUnit="m" metricValue="2.59" pageId="11" pageNumber="12" unit="mm" value="259.0">259 mm</quantity>
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||
.
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</paragraph>
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<paragraph id="8B87CC2DD90FF779B5B27898FD0C089D" blockId="11.[189,1399,1224,1673]" pageId="11" pageNumber="12">
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DISC. Disc circular in shape, with notched interradial edges (
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<figureCitation id="1303D0A8D90FF779B68A7898FC5D0AF6" box="[901,997,1224,1250]" captionStart="Fig" captionStartId="12.[189,232,1790,1816]" captionTargetBox="[254,1322,268,1748]" captionTargetId="figure@12.[249,1324,265,1751]" captionTargetPageId="12" captionText="Fig. 7. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral disc and proximal portion of arm. B. Aboral periphery of disc. C. Aboral central disc. D. Oral disc. E. Jaws. F. Oral periphery of disc. G. Oral periphery of disc, skin removed to observe internal ossicles, oral interradial plates of the same row are connected by black bars. H. Lateral disc, an arrow indicates madreporite. I. Aboral proximal portion of arm. Abbreviations: ADS = adoral shield, GEO = granule-shaped external ossicle, GS = genital slit, LB = lateral bar, OIP = oral interradial plate, OP = oral papillae, Te = teeth, Ten = tentacle, Tu = tubercle." figureDoi="http://doi.org/10.5281/zenodo.3835034" httpUri="https://zenodo.org/record/3835034/files/figure.png" pageId="11" pageNumber="12">Fig. 7A</figureCitation>
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). On aboral surface, radial shields and their surrounds tumid (
|
||
<figureCitation id="1303D0A8D90FF779B4F078BBFDE70B11" box="[511,607,1259,1285]" captionStart="Fig" captionStartId="12.[189,232,1790,1816]" captionTargetBox="[254,1322,268,1748]" captionTargetId="figure@12.[249,1324,265,1751]" captionTargetPageId="12" captionText="Fig. 7. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral disc and proximal portion of arm. B. Aboral periphery of disc. C. Aboral central disc. D. Oral disc. E. Jaws. F. Oral periphery of disc. G. Oral periphery of disc, skin removed to observe internal ossicles, oral interradial plates of the same row are connected by black bars. H. Lateral disc, an arrow indicates madreporite. I. Aboral proximal portion of arm. Abbreviations: ADS = adoral shield, GEO = granule-shaped external ossicle, GS = genital slit, LB = lateral bar, OIP = oral interradial plate, OP = oral papillae, Te = teeth, Ten = tentacle, Tu = tubercle." figureDoi="http://doi.org/10.5281/zenodo.3835034" httpUri="https://zenodo.org/record/3835034/files/figure.png" pageId="11" pageNumber="12">Fig. 7A</figureCitation>
|
||
). Disc surface covered by skin and evenly scattered tubercles (
|
||
<figureCitation id="1303D0A8D90FF779B04878BBFEBB0B3C" captionStart="Fig" captionStartId="12.[189,232,1790,1816]" captionTargetBox="[254,1322,268,1748]" captionTargetId="figure@12.[249,1324,265,1751]" captionTargetPageId="12" captionText="Fig. 7. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral disc and proximal portion of arm. B. Aboral periphery of disc. C. Aboral central disc. D. Oral disc. E. Jaws. F. Oral periphery of disc. G. Oral periphery of disc, skin removed to observe internal ossicles, oral interradial plates of the same row are connected by black bars. H. Lateral disc, an arrow indicates madreporite. I. Aboral proximal portion of arm. Abbreviations: ADS = adoral shield, GEO = granule-shaped external ossicle, GS = genital slit, LB = lateral bar, OIP = oral interradial plate, OP = oral papillae, Te = teeth, Ten = tentacle, Tu = tubercle." figureDoi="http://doi.org/10.5281/zenodo.3835034" httpUri="https://zenodo.org/record/3835034/files/figure.png" pageId="11" pageNumber="12">Fig. 7A-C</figureCitation>
|
||
). Tubercles on disc center granule-shaped,
|
||
<emphasis id="B94C103FD90FF779B600795FFC8A0B3C" box="[783,818,1295,1320]" italics="true" pageId="11" pageNumber="12">ca.</emphasis>
|
||
<quantity id="4CC061C8D90FF779B632795EFC230B3D" box="[829,923,1294,1321]" metricMagnitude="-1" metricUnit="m" metricValue="3.0" pageId="11" pageNumber="12" unit="mm" value="300.0">300 µm</quantity>
|
||
diameter and
|
||
<quantity id="4CC061C8D90FF779B144795EFB120B3D" box="[1099,1194,1294,1321]" metricMagnitude="-1" metricUnit="m" metricValue="4.0" pageId="11" pageNumber="12" unit="mm" value="400.0">400 µm</quantity>
|
||
height (
|
||
<figureCitation id="1303D0A8D90FF779B01E795EFAD60B3C" box="[1297,1390,1294,1320]" captionStart="Fig" captionStartId="12.[189,232,1790,1816]" captionTargetBox="[254,1322,268,1748]" captionTargetId="figure@12.[249,1324,265,1751]" captionTargetPageId="12" captionText="Fig. 7. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral disc and proximal portion of arm. B. Aboral periphery of disc. C. Aboral central disc. D. Oral disc. E. Jaws. F. Oral periphery of disc. G. Oral periphery of disc, skin removed to observe internal ossicles, oral interradial plates of the same row are connected by black bars. H. Lateral disc, an arrow indicates madreporite. I. Aboral proximal portion of arm. Abbreviations: ADS = adoral shield, GEO = granule-shaped external ossicle, GS = genital slit, LB = lateral bar, OIP = oral interradial plate, OP = oral papillae, Te = teeth, Ten = tentacle, Tu = tubercle." figureDoi="http://doi.org/10.5281/zenodo.3835034" httpUri="https://zenodo.org/record/3835034/files/figure.png" pageId="11" pageNumber="12">Fig. 7C</figureCitation>
|
||
) and on periphery club-shaped tubercles,
|
||
<emphasis id="B94C103FD90FF779B7A47962FD760B5F" box="[683,718,1330,1355]" italics="true" pageId="11" pageNumber="12">ca.</emphasis>
|
||
<quantity id="4CC061C8D90FF779B7D67961FC800B58" box="[729,824,1329,1356]" metricMagnitude="-1" metricUnit="m" metricValue="3.5" pageId="11" pageNumber="12" unit="mm" value="350.0">350 µm</quantity>
|
||
diameter and
|
||
<quantity id="4CC061C8D90FF779B6E57961FBF10B58" box="[1002,1097,1329,1356]" metricMagnitude="-1" metricUnit="m" metricValue="5.5" pageId="11" pageNumber="12" unit="mm" value="550.0">550 µm</quantity>
|
||
height (
|
||
<figureCitation id="1303D0A8D90FF779B1BE7961FAAA0B58" box="[1201,1298,1329,1356]" captionStart="Fig" captionStartId="12.[189,232,1790,1816]" captionTargetBox="[254,1322,268,1748]" captionTargetId="figure@12.[249,1324,265,1751]" captionTargetPageId="12" captionText="Fig. 7. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral disc and proximal portion of arm. B. Aboral periphery of disc. C. Aboral central disc. D. Oral disc. E. Jaws. F. Oral periphery of disc. G. Oral periphery of disc, skin removed to observe internal ossicles, oral interradial plates of the same row are connected by black bars. H. Lateral disc, an arrow indicates madreporite. I. Aboral proximal portion of arm. Abbreviations: ADS = adoral shield, GEO = granule-shaped external ossicle, GS = genital slit, LB = lateral bar, OIP = oral interradial plate, OP = oral papillae, Te = teeth, Ten = tentacle, Tu = tubercle." figureDoi="http://doi.org/10.5281/zenodo.3835034" httpUri="https://zenodo.org/record/3835034/files/figure.png" pageId="11" pageNumber="12">Fig. 7B</figureCitation>
|
||
). Radial shields,
|
||
<emphasis id="B94C103FD90FF779B42F7906FEFB0B7B" box="[288,323,1366,1391]" italics="true" pageId="11" pageNumber="12">ca.</emphasis>
|
||
<quantity id="4CC061C8D90FF779B4437905FE110B7B" box="[332,425,1365,1392]" metricMagnitude="-3" metricUnit="m" metricValue="7.5" pageId="11" pageNumber="12" unit="mm" value="7.5">7.5 mm</quantity>
|
||
long and 0.7-2.0 mm wide (
|
||
<figureCitation id="1303D0A8D90FF779B60B7905FCDD0B7B" box="[772,869,1365,1391]" captionStart="Fig" captionStartId="12.[189,232,1790,1816]" captionTargetBox="[254,1322,268,1748]" captionTargetId="figure@12.[249,1324,265,1751]" captionTargetPageId="12" captionText="Fig. 7. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral disc and proximal portion of arm. B. Aboral periphery of disc. C. Aboral central disc. D. Oral disc. E. Jaws. F. Oral periphery of disc. G. Oral periphery of disc, skin removed to observe internal ossicles, oral interradial plates of the same row are connected by black bars. H. Lateral disc, an arrow indicates madreporite. I. Aboral proximal portion of arm. Abbreviations: ADS = adoral shield, GEO = granule-shaped external ossicle, GS = genital slit, LB = lateral bar, OIP = oral interradial plate, OP = oral papillae, Te = teeth, Ten = tentacle, Tu = tubercle." figureDoi="http://doi.org/10.5281/zenodo.3835034" httpUri="https://zenodo.org/record/3835034/files/figure.png" pageId="11" pageNumber="12">Fig. 7A</figureCitation>
|
||
), completely covered by skin and tubercles. Oral surface of the disc covered by skin and granule-shaped external ossicles,
|
||
<emphasis id="B94C103FD90FF779B1457929FBD50B86" box="[1098,1133,1401,1426]" italics="true" pageId="11" pageNumber="12">ca.</emphasis>
|
||
<quantity id="4CC061C8D90FF779B17C7928FABB0B86" box="[1139,1283,1400,1426]" metricMagnitude="-1" metricUnit="m" metricValue="1.8" metricValueMax="2.4" metricValueMin="1.2" pageId="11" pageNumber="12" unit="mm" value="180.0" valueMax="240.0" valueMin="120.0">120-240 µm</quantity>
|
||
diameter, which are evenly scattered (
|
||
<figureCitation id="1303D0A8D90FF779B70D79CBFDC50BA2" box="[514,637,1435,1462]" captionStart="Fig" captionStartId="12.[189,232,1790,1816]" captionTargetBox="[254,1322,268,1748]" captionTargetId="figure@12.[249,1324,265,1751]" captionTargetPageId="12" captionText="Fig. 7. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral disc and proximal portion of arm. B. Aboral periphery of disc. C. Aboral central disc. D. Oral disc. E. Jaws. F. Oral periphery of disc. G. Oral periphery of disc, skin removed to observe internal ossicles, oral interradial plates of the same row are connected by black bars. H. Lateral disc, an arrow indicates madreporite. I. Aboral proximal portion of arm. Abbreviations: ADS = adoral shield, GEO = granule-shaped external ossicle, GS = genital slit, LB = lateral bar, OIP = oral interradial plate, OP = oral papillae, Te = teeth, Ten = tentacle, Tu = tubercle." figureDoi="http://doi.org/10.5281/zenodo.3835034" httpUri="https://zenodo.org/record/3835034/files/figure.png" pageId="11" pageNumber="12">Fig. 7D, F</figureCitation>
|
||
). Four spearhead-shaped teeth form a vertical row on dental plate (
|
||
<figureCitation id="1303D0A8D90FF779B5C979EEFE9A0BCD" box="[198,290,1470,1497]" captionStart="Fig" captionStartId="12.[189,232,1790,1816]" captionTargetBox="[254,1322,268,1748]" captionTargetId="figure@12.[249,1324,265,1751]" captionTargetPageId="12" captionText="Fig. 7. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral disc and proximal portion of arm. B. Aboral periphery of disc. C. Aboral central disc. D. Oral disc. E. Jaws. F. Oral periphery of disc. G. Oral periphery of disc, skin removed to observe internal ossicles, oral interradial plates of the same row are connected by black bars. H. Lateral disc, an arrow indicates madreporite. I. Aboral proximal portion of arm. Abbreviations: ADS = adoral shield, GEO = granule-shaped external ossicle, GS = genital slit, LB = lateral bar, OIP = oral interradial plate, OP = oral papillae, Te = teeth, Ten = tentacle, Tu = tubercle." figureDoi="http://doi.org/10.5281/zenodo.3835034" httpUri="https://zenodo.org/record/3835034/files/figure.png" pageId="11" pageNumber="12">Fig. 7E</figureCitation>
|
||
). Six to seven domed oral papillae lie on each side of jaw (
|
||
<figureCitation id="1303D0A8D90FF779B6D279EEFB810BCD" box="[989,1081,1470,1497]" captionStart="Fig" captionStartId="12.[189,232,1790,1816]" captionTargetBox="[254,1322,268,1748]" captionTargetId="figure@12.[249,1324,265,1751]" captionTargetPageId="12" captionText="Fig. 7. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral disc and proximal portion of arm. B. Aboral periphery of disc. C. Aboral central disc. D. Oral disc. E. Jaws. F. Oral periphery of disc. G. Oral periphery of disc, skin removed to observe internal ossicles, oral interradial plates of the same row are connected by black bars. H. Lateral disc, an arrow indicates madreporite. I. Aboral proximal portion of arm. Abbreviations: ADS = adoral shield, GEO = granule-shaped external ossicle, GS = genital slit, LB = lateral bar, OIP = oral interradial plate, OP = oral papillae, Te = teeth, Ten = tentacle, Tu = tubercle." figureDoi="http://doi.org/10.5281/zenodo.3835034" httpUri="https://zenodo.org/record/3835034/files/figure.png" pageId="11" pageNumber="12">Fig. 7E</figureCitation>
|
||
). Adoral shields somewhat hexagonal-shaped (
|
||
<figureCitation id="1303D0A8D90FF779B4AD79B1FE440BE8" box="[418,508,1505,1532]" captionStart="Fig" captionStartId="12.[189,232,1790,1816]" captionTargetBox="[254,1322,268,1748]" captionTargetId="figure@12.[249,1324,265,1751]" captionTargetPageId="12" captionText="Fig. 7. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral disc and proximal portion of arm. B. Aboral periphery of disc. C. Aboral central disc. D. Oral disc. E. Jaws. F. Oral periphery of disc. G. Oral periphery of disc, skin removed to observe internal ossicles, oral interradial plates of the same row are connected by black bars. H. Lateral disc, an arrow indicates madreporite. I. Aboral proximal portion of arm. Abbreviations: ADS = adoral shield, GEO = granule-shaped external ossicle, GS = genital slit, LB = lateral bar, OIP = oral interradial plate, OP = oral papillae, Te = teeth, Ten = tentacle, Tu = tubercle." figureDoi="http://doi.org/10.5281/zenodo.3835034" httpUri="https://zenodo.org/record/3835034/files/figure.png" pageId="11" pageNumber="12">Fig. 7F</figureCitation>
|
||
). Oral interradial plates pentagonal or hexagonal-shaped, in two rows (
|
||
<figureCitation id="1303D0A8D90FF779B04879B1FF5C080B" captionStart="Fig" captionStartId="12.[189,232,1790,1816]" captionTargetBox="[254,1322,268,1748]" captionTargetId="figure@12.[249,1324,265,1751]" captionTargetPageId="12" captionText="Fig. 7. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral disc and proximal portion of arm. B. Aboral periphery of disc. C. Aboral central disc. D. Oral disc. E. Jaws. F. Oral periphery of disc. G. Oral periphery of disc, skin removed to observe internal ossicles, oral interradial plates of the same row are connected by black bars. H. Lateral disc, an arrow indicates madreporite. I. Aboral proximal portion of arm. Abbreviations: ADS = adoral shield, GEO = granule-shaped external ossicle, GS = genital slit, LB = lateral bar, OIP = oral interradial plate, OP = oral papillae, Te = teeth, Ten = tentacle, Tu = tubercle." figureDoi="http://doi.org/10.5281/zenodo.3835034" httpUri="https://zenodo.org/record/3835034/files/figure.png" pageId="11" pageNumber="12">Fig. 7G</figureCitation>
|
||
). Proximal row consists of two oral interradial plates, distal row consists of three interradial plates (
|
||
<figureCitation id="1303D0A8D90FF779B5C97A78FE9F0856" box="[198,295,1576,1602]" captionStart="Fig" captionStartId="12.[189,232,1790,1816]" captionTargetBox="[254,1322,268,1748]" captionTargetId="figure@12.[249,1324,265,1751]" captionTargetPageId="12" captionText="Fig. 7. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral disc and proximal portion of arm. B. Aboral periphery of disc. C. Aboral central disc. D. Oral disc. E. Jaws. F. Oral periphery of disc. G. Oral periphery of disc, skin removed to observe internal ossicles, oral interradial plates of the same row are connected by black bars. H. Lateral disc, an arrow indicates madreporite. I. Aboral proximal portion of arm. Abbreviations: ADS = adoral shield, GEO = granule-shaped external ossicle, GS = genital slit, LB = lateral bar, OIP = oral interradial plate, OP = oral papillae, Te = teeth, Ten = tentacle, Tu = tubercle." figureDoi="http://doi.org/10.5281/zenodo.3835034" httpUri="https://zenodo.org/record/3835034/files/figure.png" pageId="11" pageNumber="12">Fig. 7G</figureCitation>
|
||
). Lateral interradial surface of disc nearly vertical, covered entirely by skin (
|
||
<figureCitation id="1303D0A8D90FF779B1C47A78FA940856" box="[1227,1324,1576,1602]" captionStart="Fig" captionStartId="12.[189,232,1790,1816]" captionTargetBox="[254,1322,268,1748]" captionTargetId="figure@12.[249,1324,265,1751]" captionTargetPageId="12" captionText="Fig. 7. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral disc and proximal portion of arm. B. Aboral periphery of disc. C. Aboral central disc. D. Oral disc. E. Jaws. F. Oral periphery of disc. G. Oral periphery of disc, skin removed to observe internal ossicles, oral interradial plates of the same row are connected by black bars. H. Lateral disc, an arrow indicates madreporite. I. Aboral proximal portion of arm. Abbreviations: ADS = adoral shield, GEO = granule-shaped external ossicle, GS = genital slit, LB = lateral bar, OIP = oral interradial plate, OP = oral papillae, Te = teeth, Ten = tentacle, Tu = tubercle." figureDoi="http://doi.org/10.5281/zenodo.3835034" httpUri="https://zenodo.org/record/3835034/files/figure.png" pageId="11" pageNumber="12">Fig. 7H</figureCitation>
|
||
). Two genital slits in each interradius,
|
||
<quantity id="4CC061C8D90FF779B74C7A1BFD190872" box="[579,673,1611,1638]" metricMagnitude="-3" metricUnit="m" metricValue="4.1" pageId="11" pageNumber="12" unit="mm" value="4.1">4.1 mm</quantity>
|
||
long and
|
||
<quantity id="4CC061C8D90FF779B6107A1BFCC50872" box="[799,893,1611,1638]" metricMagnitude="-4" metricUnit="m" metricValue="7.0" pageId="11" pageNumber="12" unit="mm" value="0.7">0.7 mm</quantity>
|
||
wide (
|
||
<figureCitation id="1303D0A8D90FF779B6DB7A1BFB8D0872" box="[980,1077,1611,1638]" captionStart="Fig" captionStartId="12.[189,232,1790,1816]" captionTargetBox="[254,1322,268,1748]" captionTargetId="figure@12.[249,1324,265,1751]" captionTargetPageId="12" captionText="Fig. 7. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral disc and proximal portion of arm. B. Aboral periphery of disc. C. Aboral central disc. D. Oral disc. E. Jaws. F. Oral periphery of disc. G. Oral periphery of disc, skin removed to observe internal ossicles, oral interradial plates of the same row are connected by black bars. H. Lateral disc, an arrow indicates madreporite. I. Aboral proximal portion of arm. Abbreviations: ADS = adoral shield, GEO = granule-shaped external ossicle, GS = genital slit, LB = lateral bar, OIP = oral interradial plate, OP = oral papillae, Te = teeth, Ten = tentacle, Tu = tubercle." figureDoi="http://doi.org/10.5281/zenodo.3835034" httpUri="https://zenodo.org/record/3835034/files/figure.png" pageId="11" pageNumber="12">Fig. 7H</figureCitation>
|
||
). One madreporite present between oral side of genital slits (
|
||
<figureCitation id="1303D0A8D90FF779B7477A3EFD1E089D" box="[584,678,1646,1673]" captionStart="Fig" captionStartId="12.[189,232,1790,1816]" captionTargetBox="[254,1322,268,1748]" captionTargetId="figure@12.[249,1324,265,1751]" captionTargetPageId="12" captionText="Fig. 7. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral disc and proximal portion of arm. B. Aboral periphery of disc. C. Aboral central disc. D. Oral disc. E. Jaws. F. Oral periphery of disc. G. Oral periphery of disc, skin removed to observe internal ossicles, oral interradial plates of the same row are connected by black bars. H. Lateral disc, an arrow indicates madreporite. I. Aboral proximal portion of arm. Abbreviations: ADS = adoral shield, GEO = granule-shaped external ossicle, GS = genital slit, LB = lateral bar, OIP = oral interradial plate, OP = oral papillae, Te = teeth, Ten = tentacle, Tu = tubercle." figureDoi="http://doi.org/10.5281/zenodo.3835034" httpUri="https://zenodo.org/record/3835034/files/figure.png" pageId="11" pageNumber="12">Fig. 7H</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8B87CC2DD90FF762B5B27AE0FACE0F78" blockId="11.[189,1399,1712,2020]" lastBlockId="16.[189,1399,267,364]" lastPageId="16" lastPageNumber="17" pageId="11" pageNumber="12">
|
||
ARMS. Arms simple, five in number, with no abrupt gap in width due to presence of gonads in proximal portion of arms. Arms tapering gradually distally. Proximal portion of arms
|
||
<quantity id="4CC061C8D90FF779B1357A83FB1B08FA" box="[1082,1187,1747,1774]" metricMagnitude="-3" metricUnit="m" metricValue="6.85" pageId="11" pageNumber="12" unit="mm" value="6.85">6.85 mm</quantity>
|
||
wide and
|
||
<quantity id="4CC061C8D90FF779B0137A83FACF08FA" box="[1308,1399,1747,1774]" metricMagnitude="-3" metricUnit="m" metricValue="5.5" pageId="11" pageNumber="12" unit="mm" value="5.5">5.5 mm</quantity>
|
||
high, oblong in cross-section. Aboral surface arched and oral surface flattened from middle to distal portion of arms. Proximal portion of arms covered by skin and two or three club-shaped tubercles,
|
||
<emphasis id="B94C103FD90FF779B5B27B6DFF580942" box="[189,224,1853,1878]" italics="true" pageId="11" pageNumber="12">ca.</emphasis>
|
||
<quantity id="4CC061C8D90FF779B5E57B6DFEFF0943" box="[234,327,1853,1879]" metricMagnitude="-1" metricUnit="m" metricValue="4.0" pageId="11" pageNumber="12" unit="mm" value="400.0">400 µm</quantity>
|
||
long and
|
||
<quantity id="4CC061C8D90FF779B4CD7B6CFD980943" box="[450,544,1852,1879]" metricMagnitude="-1" metricUnit="m" metricValue="7.5" pageId="11" pageNumber="12" unit="mm" value="750.0">750 µm</quantity>
|
||
height (
|
||
<figureCitation id="1303D0A8D90FF779B78B7B6CFD650943" box="[644,733,1852,1879]" captionStart="Fig" captionStartId="12.[189,232,1790,1816]" captionTargetBox="[254,1322,268,1748]" captionTargetId="figure@12.[249,1324,265,1751]" captionTargetPageId="12" captionText="Fig. 7. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral disc and proximal portion of arm. B. Aboral periphery of disc. C. Aboral central disc. D. Oral disc. E. Jaws. F. Oral periphery of disc. G. Oral periphery of disc, skin removed to observe internal ossicles, oral interradial plates of the same row are connected by black bars. H. Lateral disc, an arrow indicates madreporite. I. Aboral proximal portion of arm. Abbreviations: ADS = adoral shield, GEO = granule-shaped external ossicle, GS = genital slit, LB = lateral bar, OIP = oral interradial plate, OP = oral papillae, Te = teeth, Ten = tentacle, Tu = tubercle." figureDoi="http://doi.org/10.5281/zenodo.3835034" httpUri="https://zenodo.org/record/3835034/files/figure.png" pageId="11" pageNumber="12">Figs 7I</figureCitation>
|
||
;
|
||
<figureCitation id="1303D0A8D90FF779B7E37B6DFC910943" box="[748,809,1853,1879]" captionStart="Fig" captionStartId="13.[189,232,1824,1850]" captionTargetBox="[192,1398,363,1779]" captionTargetId="figure@13.[189,1398,359,1779]" captionTargetPageId="13" captionText="Fig. 8. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461), SEM photographs. A-C. Lateral arm plates from middle portion of arm: internal view (A), oral view (B) and external view (C). D-F. Late-ral arm plates from distal portion of arm: external view (D), internal view (E) and oral view (F). G-I. Arm spines from proximal portion (G), middle portion (H) and distal portion, an arc indicates lamina (I). J-K. Tubercles on proximal portion of arm: external view (J) and lateral view (K). Abbreviations: MO = muscle opening, NO = nerve opening, ST = secondary tooth." figureDoi="http://doi.org/10.5281/zenodo.3835036" httpUri="https://zenodo.org/record/3835036/files/figure.png" pageId="11" pageNumber="12">8J-K</figureCitation>
|
||
), on each lateral bar. On middle portion of arms, tubercles granule-shaped,
|
||
<emphasis id="B94C103FD90FF779B4FC7B31FDAE096E" box="[499,534,1889,1914]" italics="true" pageId="11" pageNumber="12">ca.</emphasis>
|
||
<quantity id="4CC061C8D90FF779B7107B30FDC4096E" box="[543,636,1888,1915]" metricMagnitude="-1" metricUnit="m" metricValue="4.5" pageId="11" pageNumber="12" unit="mm" value="450.0">450 µm</quantity>
|
||
long (
|
||
<figureCitation id="1303D0A8D90FF779B7C47B30FC93096E" box="[715,811,1888,1914]" captionStart="Fig" captionStartId="14.[189,232,1897,1923]" captionTargetBox="[191,1398,672,1857]" captionTargetId="figure@14.[189,1398,669,1857]" captionTargetPageId="14" captionText="Fig. 9. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral middle portion of arm. B. Aboral distal portion of arm. C. Oral proximal portion of arm. D. Oral middle portion of arm. E. Oral distal portion of arm. F. Lateral distal portion of arm. Abbreviations: AS = arm spine, LAP = lateral arm plate, Tu = tubercle." figureDoi="http://doi.org/10.5281/zenodo.3835038" httpUri="https://zenodo.org/record/3835038/files/figure.png" pageId="11" pageNumber="12">Fig. 9A</figureCitation>
|
||
), one or two on each lateral bar. On oral surface, four to five granule-shaped external ossicles, scattered on each arm segment,
|
||
<emphasis id="B94C103FD90FF779B1597BD4FBC10989" box="[1110,1145,1924,1949]" italics="true" pageId="11" pageNumber="12">ca.</emphasis>
|
||
<quantity id="4CC061C8D90FF779B18D7BD3FAAC098A" box="[1154,1300,1923,1950]" metricMagnitude="-1" metricUnit="m" metricValue="2.25" metricValueMax="3.0" metricValueMin="1.5" pageId="11" pageNumber="12" unit="mm" value="225.0" valueMax="300.0" valueMin="150.0">150-300 µm</quantity>
|
||
long on proximal portion of arms (
|
||
<figureCitation id="1303D0A8D90FF779B4F87BF6FDEA09D4" box="[503,594,1958,1984]" captionStart="Fig" captionStartId="14.[189,232,1897,1923]" captionTargetBox="[191,1398,672,1857]" captionTargetId="figure@14.[189,1398,669,1857]" captionTargetPageId="14" captionText="Fig. 9. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral middle portion of arm. B. Aboral distal portion of arm. C. Oral proximal portion of arm. D. Oral middle portion of arm. E. Oral distal portion of arm. F. Lateral distal portion of arm. Abbreviations: AS = arm spine, LAP = lateral arm plate, Tu = tubercle." figureDoi="http://doi.org/10.5281/zenodo.3835038" httpUri="https://zenodo.org/record/3835038/files/figure.png" pageId="11" pageNumber="12">Fig. 9C</figureCitation>
|
||
) and
|
||
<emphasis id="B94C103FD90FF779B79A7BF7FD0009D4" box="[661,696,1959,1984]" italics="true" pageId="11" pageNumber="12">ca.</emphasis>
|
||
<quantity id="4CC061C8D90FF779B7CF7BF6FCEA09D5" box="[704,850,1958,1985]" metricMagnitude="-1" metricUnit="m" metricValue="1.25" metricValueMax="1.5" metricValueMin="1.0" pageId="11" pageNumber="12" unit="mm" value="125.0" valueMax="150.0" valueMin="100.0">100-150 µm</quantity>
|
||
long on middle portion of the arms (
|
||
<figureCitation id="1303D0A8D90FF779B0057BF6FAD109D4" box="[1290,1385,1958,1984]" captionStart="Fig" captionStartId="14.[189,232,1897,1923]" captionTargetBox="[191,1398,672,1857]" captionTargetId="figure@14.[189,1398,669,1857]" captionTargetPageId="14" captionText="Fig. 9. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral middle portion of arm. B. Aboral distal portion of arm. C. Oral proximal portion of arm. D. Oral middle portion of arm. E. Oral distal portion of arm. F. Lateral distal portion of arm. Abbreviations: AS = arm spine, LAP = lateral arm plate, Tu = tubercle." figureDoi="http://doi.org/10.5281/zenodo.3835038" httpUri="https://zenodo.org/record/3835038/files/figure.png" pageId="11" pageNumber="12">Fig. 9D</figureCitation>
|
||
). Tubercles and external ossicles on oral surface gradually decrease in size distally, becoming absent near arm tips (
|
||
<figureCitation id="1303D0A8D90AF77CB4247D5BFE7A0F32" box="[299,450,267,294]" captionStart="Fig" captionStartId="14.[189,232,1897,1923]" captionTargetBox="[191,1398,672,1857]" captionTargetId="figure@14.[189,1398,669,1857]" captionTargetPageId="14" captionText="Fig. 9. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral middle portion of arm. B. Aboral distal portion of arm. C. Oral proximal portion of arm. D. Oral middle portion of arm. E. Oral distal portion of arm. F. Lateral distal portion of arm. Abbreviations: AS = arm spine, LAP = lateral arm plate, Tu = tubercle." figureDoi="http://doi.org/10.5281/zenodo.3835038" httpUri="https://zenodo.org/record/3835038/files/figure.png" pageId="14" pageNumber="15">Fig. 9B, E-F</figureCitation>
|
||
). First to third tentacle pores lacking arm spines; two arm spines from fourth pore (
|
||
<figureCitation id="1303D0A8D90AF77CB5C97D7EFE9C0F5D" box="[198,292,302,329]" captionStart="Fig" captionStartId="12.[189,232,1790,1816]" captionTargetBox="[254,1322,268,1748]" captionTargetId="figure@12.[249,1324,265,1751]" captionTargetPageId="12" captionText="Fig. 7. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral disc and proximal portion of arm. B. Aboral periphery of disc. C. Aboral central disc. D. Oral disc. E. Jaws. F. Oral periphery of disc. G. Oral periphery of disc, skin removed to observe internal ossicles, oral interradial plates of the same row are connected by black bars. H. Lateral disc, an arrow indicates madreporite. I. Aboral proximal portion of arm. Abbreviations: ADS = adoral shield, GEO = granule-shaped external ossicle, GS = genital slit, LB = lateral bar, OIP = oral interradial plate, OP = oral papillae, Te = teeth, Ten = tentacle, Tu = tubercle." figureDoi="http://doi.org/10.5281/zenodo.3835034" httpUri="https://zenodo.org/record/3835034/files/figure.png" pageId="14" pageNumber="15">Fig. 7D</figureCitation>
|
||
). In proximal third of arms, arm spines ovoid and minute (
|
||
<figureCitation id="1303D0A8D90AF77CB6D77D7EFB830F5D" box="[984,1083,302,329]" captionStart="Fig" captionStartId="13.[189,232,1824,1850]" captionTargetBox="[192,1398,363,1779]" captionTargetId="figure@13.[189,1398,359,1779]" captionTargetPageId="13" captionText="Fig. 8. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461), SEM photographs. A-C. Lateral arm plates from middle portion of arm: internal view (A), oral view (B) and external view (C). D-F. Late-ral arm plates from distal portion of arm: external view (D), internal view (E) and oral view (F). G-I. Arm spines from proximal portion (G), middle portion (H) and distal portion, an arc indicates lamina (I). J-K. Tubercles on proximal portion of arm: external view (J) and lateral view (K). Abbreviations: MO = muscle opening, NO = nerve opening, ST = secondary tooth." figureDoi="http://doi.org/10.5281/zenodo.3835036" httpUri="https://zenodo.org/record/3835036/files/figure.png" pageId="14" pageNumber="15">Figs 8G</figureCitation>
|
||
;
|
||
<figureCitation id="1303D0A8D90AF77CB1487D7FFBD50F5D" box="[1095,1133,303,329]" captionStart="Fig" captionStartId="14.[189,232,1897,1923]" captionTargetBox="[191,1398,672,1857]" captionTargetId="figure@14.[189,1398,669,1857]" captionTargetPageId="14" captionText="Fig. 9. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral middle portion of arm. B. Aboral distal portion of arm. C. Oral proximal portion of arm. D. Oral middle portion of arm. E. Oral distal portion of arm. F. Lateral distal portion of arm. Abbreviations: AS = arm spine, LAP = lateral arm plate, Tu = tubercle." figureDoi="http://doi.org/10.5281/zenodo.3835038" httpUri="https://zenodo.org/record/3835038/files/figure.png" pageId="14" pageNumber="15">9C</figureCitation>
|
||
). Outer arm spines
|
||
<emphasis id="B94C103FD90AF77CB05C7D7FFACE0F5C" box="[1363,1398,303,328]" italics="true" pageId="14" pageNumber="15">ca.</emphasis>
|
||
two-thirds as long as corresponding arm segment, inner arm spines slightly shorter,
|
||
<emphasis id="B94C103FD90AF77CB1A07D03FB730F78" box="[1199,1227,339,364]" italics="true" pageId="14" pageNumber="15">ca</emphasis>
|
||
. two-thirds as long as outer spine (
|
||
<figureCitation id="1303D0A8D90AF77CB4A47D25FDB00F9B" box="[427,520,373,399]" captionStart="Fig" captionStartId="14.[189,232,1897,1923]" captionTargetBox="[191,1398,672,1857]" captionTargetId="figure@14.[189,1398,669,1857]" captionTargetPageId="14" captionText="Fig. 9. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral middle portion of arm. B. Aboral distal portion of arm. C. Oral proximal portion of arm. D. Oral middle portion of arm. E. Oral distal portion of arm. F. Lateral distal portion of arm. Abbreviations: AS = arm spine, LAP = lateral arm plate, Tu = tubercle." figureDoi="http://doi.org/10.5281/zenodo.3835038" httpUri="https://zenodo.org/record/3835038/files/figure.png" pageId="14" pageNumber="15">Fig. 9C</figureCitation>
|
||
). In middle of arm, arm spines club-shaped (
|
||
<figureCitation id="1303D0A8D90AF77CB1187D25FBC20F9B" box="[1047,1146,373,399]" captionStart="Fig" captionStartId="13.[189,232,1824,1850]" captionTargetBox="[192,1398,363,1779]" captionTargetId="figure@13.[189,1398,359,1779]" captionTargetPageId="13" captionText="Fig. 8. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461), SEM photographs. A-C. Lateral arm plates from middle portion of arm: internal view (A), oral view (B) and external view (C). D-F. Late-ral arm plates from distal portion of arm: external view (D), internal view (E) and oral view (F). G-I. Arm spines from proximal portion (G), middle portion (H) and distal portion, an arc indicates lamina (I). J-K. Tubercles on proximal portion of arm: external view (J) and lateral view (K). Abbreviations: MO = muscle opening, NO = nerve opening, ST = secondary tooth." figureDoi="http://doi.org/10.5281/zenodo.3835036" httpUri="https://zenodo.org/record/3835036/files/figure.png" pageId="14" pageNumber="15">Figs 8H</figureCitation>
|
||
;
|
||
<figureCitation id="1303D0A8D90AF77CB1897D25FB160F9B" box="[1158,1198,373,399]" captionStart="Fig" captionStartId="14.[189,232,1897,1923]" captionTargetBox="[191,1398,672,1857]" captionTargetId="figure@14.[189,1398,669,1857]" captionTargetPageId="14" captionText="Fig. 9. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral middle portion of arm. B. Aboral distal portion of arm. C. Oral proximal portion of arm. D. Oral middle portion of arm. E. Oral distal portion of arm. F. Lateral distal portion of arm. Abbreviations: AS = arm spine, LAP = lateral arm plate, Tu = tubercle." figureDoi="http://doi.org/10.5281/zenodo.3835038" httpUri="https://zenodo.org/record/3835038/files/figure.png" pageId="14" pageNumber="15">9D</figureCitation>
|
||
). Inner and outer arm spines of equal length,
|
||
<emphasis id="B94C103FD90AF77CB7087DC9FD920FA6" box="[519,554,409,434]" italics="true" pageId="14" pageNumber="15">ca.</emphasis>
|
||
half as long as corresponding arm segment (
|
||
<figureCitation id="1303D0A8D90AF77CB14F7DC8FB270FA6" box="[1088,1183,408,434]" captionStart="Fig" captionStartId="14.[189,232,1897,1923]" captionTargetBox="[191,1398,672,1857]" captionTargetId="figure@14.[189,1398,669,1857]" captionTargetPageId="14" captionText="Fig. 9. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral middle portion of arm. B. Aboral distal portion of arm. C. Oral proximal portion of arm. D. Oral middle portion of arm. E. Oral distal portion of arm. F. Lateral distal portion of arm. Abbreviations: AS = arm spine, LAP = lateral arm plate, Tu = tubercle." figureDoi="http://doi.org/10.5281/zenodo.3835038" httpUri="https://zenodo.org/record/3835038/files/figure.png" pageId="14" pageNumber="15">Fig. 9D</figureCitation>
|
||
). In distal third of arms, arm spines hook-shaped with smooth lamina on distal side (
|
||
<figureCitation id="1303D0A8D90AF77CB6D87DEBFB8C0FC1" box="[983,1076,443,469]" captionStart="Fig" captionStartId="14.[189,232,1897,1923]" captionTargetBox="[191,1398,672,1857]" captionTargetId="figure@14.[189,1398,669,1857]" captionTargetPageId="14" captionText="Fig. 9. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral middle portion of arm. B. Aboral distal portion of arm. C. Oral proximal portion of arm. D. Oral middle portion of arm. E. Oral distal portion of arm. F. Lateral distal portion of arm. Abbreviations: AS = arm spine, LAP = lateral arm plate, Tu = tubercle." figureDoi="http://doi.org/10.5281/zenodo.3835038" httpUri="https://zenodo.org/record/3835038/files/figure.png" pageId="14" pageNumber="15">Fig. 9E</figureCitation>
|
||
). Inner and outer spines of equal length,
|
||
<emphasis id="B94C103FD90AF77CB46F7D8FFE3B0FEC" box="[352,387,479,504]" italics="true" pageId="14" pageNumber="15">ca.</emphasis>
|
||
one-third as long as corresponding arm segment (
|
||
<figureCitation id="1303D0A8D90AF77CB6EE7D8EFB820FED" box="[993,1082,478,505]" captionStart="Fig" captionStartId="13.[189,232,1824,1850]" captionTargetBox="[192,1398,363,1779]" captionTargetId="figure@13.[189,1398,359,1779]" captionTargetPageId="13" captionText="Fig. 8. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461), SEM photographs. A-C. Lateral arm plates from middle portion of arm: internal view (A), oral view (B) and external view (C). D-F. Late-ral arm plates from distal portion of arm: external view (D), internal view (E) and oral view (F). G-I. Arm spines from proximal portion (G), middle portion (H) and distal portion, an arc indicates lamina (I). J-K. Tubercles on proximal portion of arm: external view (J) and lateral view (K). Abbreviations: MO = muscle opening, NO = nerve opening, ST = secondary tooth." figureDoi="http://doi.org/10.5281/zenodo.3835036" httpUri="https://zenodo.org/record/3835036/files/figure.png" pageId="14" pageNumber="15">Figs 8I</figureCitation>
|
||
;
|
||
<figureCitation id="1303D0A8D90AF77CB1467D8FFB300FED" box="[1097,1160,479,505]" captionStart="Fig" captionStartId="14.[189,232,1897,1923]" captionTargetBox="[191,1398,672,1857]" captionTargetId="figure@14.[189,1398,669,1857]" captionTargetPageId="14" captionText="Fig. 9. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral middle portion of arm. B. Aboral distal portion of arm. C. Oral proximal portion of arm. D. Oral middle portion of arm. E. Oral distal portion of arm. F. Lateral distal portion of arm. Abbreviations: AS = arm spine, LAP = lateral arm plate, Tu = tubercle." figureDoi="http://doi.org/10.5281/zenodo.3835038" httpUri="https://zenodo.org/record/3835038/files/figure.png" pageId="14" pageNumber="15">9E-F</figureCitation>
|
||
). Lateral arm plates concealed by skin and external ossicles, with two pairs of muscle and nerve openings, and each of them associated with an arm spine articulation (
|
||
<figureCitation id="1303D0A8D90AF77CB7CE7E75FC860C2B" box="[705,830,549,575]" captionStart="Fig" captionStartId="13.[189,232,1824,1850]" captionTargetBox="[192,1398,363,1779]" captionTargetId="figure@13.[189,1398,359,1779]" captionTargetPageId="13" captionText="Fig. 8. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461), SEM photographs. A-C. Lateral arm plates from middle portion of arm: internal view (A), oral view (B) and external view (C). D-F. Late-ral arm plates from distal portion of arm: external view (D), internal view (E) and oral view (F). G-I. Arm spines from proximal portion (G), middle portion (H) and distal portion, an arc indicates lamina (I). J-K. Tubercles on proximal portion of arm: external view (J) and lateral view (K). Abbreviations: MO = muscle opening, NO = nerve opening, ST = secondary tooth." figureDoi="http://doi.org/10.5281/zenodo.3835036" httpUri="https://zenodo.org/record/3835036/files/figure.png" pageId="14" pageNumber="15">Fig. 8A-F</figureCitation>
|
||
). Ventral lobes and dorsal lobes beside muscle openings meet (
|
||
<figureCitation id="1303D0A8D90AF77CB4767E18FE060C76" box="[377,446,584,610]" captionStart="Fig" captionStartId="13.[189,232,1824,1850]" captionTargetBox="[192,1398,363,1779]" captionTargetId="figure@13.[189,1398,359,1779]" captionTargetPageId="13" captionText="Fig. 8. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461), SEM photographs. A-C. Lateral arm plates from middle portion of arm: internal view (A), oral view (B) and external view (C). D-F. Late-ral arm plates from distal portion of arm: external view (D), internal view (E) and oral view (F). G-I. Arm spines from proximal portion (G), middle portion (H) and distal portion, an arc indicates lamina (I). J-K. Tubercles on proximal portion of arm: external view (J) and lateral view (K). Abbreviations: MO = muscle opening, NO = nerve opening, ST = secondary tooth." figureDoi="http://doi.org/10.5281/zenodo.3835036" httpUri="https://zenodo.org/record/3835036/files/figure.png" pageId="14" pageNumber="15">Fig. 8</figureCitation>
|
||
C-D). A condyle present between each muscle and each nerve opening (
|
||
<figureCitation id="1303D0A8D90AF762B01A7E18FF6E0F32" captionStart="Fig" captionStartId="13.[189,232,1824,1850]" captionTargetBox="[192,1398,363,1779]" captionTargetId="figure@13.[189,1398,359,1779]" captionTargetPageId="13" captionText="Fig. 8. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461), SEM photographs. A-C. Lateral arm plates from middle portion of arm: internal view (A), oral view (B) and external view (C). D-F. Late-ral arm plates from distal portion of arm: external view (D), internal view (E) and oral view (F). G-I. Arm spines from proximal portion (G), middle portion (H) and distal portion, an arc indicates lamina (I). J-K. Tubercles on proximal portion of arm: external view (J) and lateral view (K). Abbreviations: MO = muscle opening, NO = nerve opening, ST = secondary tooth." figureDoi="http://doi.org/10.5281/zenodo.3835036" httpUri="https://zenodo.org/record/3835036/files/figure.png" lastPageId="16" lastPageNumber="17" pageId="14" pageNumber="15">Fig. 8C, D</figureCitation>
|
||
). Vertebrae with streptospondylous articulations (
|
||
<figureCitation id="1303D0A8D914F762B6167D5BFC1E0F32" box="[793,934,267,294]" captionStart="Fig" captionStartId="15.[189,232,1896,1922]" captionTargetBox="[189,1399,323,1843]" captionTargetId="figure@15.[187,1399,321,1843]" captionTargetPageId="15" captionText="Fig. 10. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461), SEM photographs. A-D. Vertebra from middle portion of arm: distal view (A), aboral view (B), oral view (C) and lateral view (D). E-H. Vertebrae from distal portion of arm: distal view (E), aboral view (F), oral view (G) and lateral view (H). Abbreviations: K = knob, OB = oral bridge." figureDoi="http://doi.org/10.5281/zenodo.3835040" httpUri="https://zenodo.org/record/3835040/files/figure.png" pageId="16" pageNumber="17">Fig. 10A, E</figureCitation>
|
||
), oral bridges on oral side (
|
||
<figureCitation id="1303D0A8D914F762B1EB7D5BFF4D0F5D" captionStart="Fig" captionStartId="15.[189,232,1896,1922]" captionTargetBox="[189,1399,323,1843]" captionTargetId="figure@15.[187,1399,321,1843]" captionTargetPageId="15" captionText="Fig. 10. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461), SEM photographs. A-D. Vertebra from middle portion of arm: distal view (A), aboral view (B), oral view (C) and lateral view (D). E-H. Vertebrae from distal portion of arm: distal view (E), aboral view (F), oral view (G) and lateral view (H). Abbreviations: K = knob, OB = oral bridge." figureDoi="http://doi.org/10.5281/zenodo.3835040" httpUri="https://zenodo.org/record/3835040/files/figure.png" pageId="16" pageNumber="17">Fig. 10A, C, E, G</figureCitation>
|
||
), knobs on lateral side (
|
||
<figureCitation id="1303D0A8D914F762B7067D7EFD6E0F5D" box="[521,726,302,329]" captionStart="Fig" captionStartId="15.[189,232,1896,1922]" captionTargetBox="[189,1399,323,1843]" captionTargetId="figure@15.[187,1399,321,1843]" captionTargetPageId="15" captionText="Fig. 10. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461), SEM photographs. A-D. Vertebra from middle portion of arm: distal view (A), aboral view (B), oral view (C) and lateral view (D). E-H. Vertebrae from distal portion of arm: distal view (E), aboral view (F), oral view (G) and lateral view (H). Abbreviations: K = knob, OB = oral bridge." figureDoi="http://doi.org/10.5281/zenodo.3835040" httpUri="https://zenodo.org/record/3835040/files/figure.png" pageId="16" pageNumber="17">Fig. 10B, D, F, H</figureCitation>
|
||
). These features indicate
|
||
<taxonomicName id="4C38B7AED914F762B6F27D7FFB170F5D" authorityName="Mortensen" authorityYear="1933" box="[1021,1199,303,329]" class="Ophiuroidea" family="Euryalidae" genus="Asterostegus" kingdom="Animalia" order="Euryalida" pageId="16" pageNumber="17" phylum="Echinodermata" rank="species" species="tuberculatus">
|
||
<emphasis id="B94C103FD914F762B6F27D7FFB170F5D" box="[1021,1199,303,329]" italics="true" pageId="16" pageNumber="17">A. tuberculatus</emphasis>
|
||
</taxonomicName>
|
||
’ affiliation to the family
|
||
<taxonomicName id="4C38B7AED914F762B41E7D02FE2C0F78" authorityName="Gray" authorityYear="1840" box="[273,404,338,364]" class="Ophiuroidea" family="Euryalidae" kingdom="Animalia" order="Euryalida" pageId="16" pageNumber="17" phylum="Echinodermata" rank="family">Euryalidae</taxonomicName>
|
||
. Knobs on lateral side of vertebrae elongate throughout the arms (
|
||
<figureCitation id="1303D0A8D914F762B1967D02FAD10F78" box="[1177,1385,338,364]" captionStart="Fig" captionStartId="15.[189,232,1896,1922]" captionTargetBox="[189,1399,323,1843]" captionTargetId="figure@15.[187,1399,321,1843]" captionTargetPageId="15" captionText="Fig. 10. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461), SEM photographs. A-D. Vertebra from middle portion of arm: distal view (A), aboral view (B), oral view (C) and lateral view (D). E-H. Vertebrae from distal portion of arm: distal view (E), aboral view (F), oral view (G) and lateral view (H). Abbreviations: K = knob, OB = oral bridge." figureDoi="http://doi.org/10.5281/zenodo.3835040" httpUri="https://zenodo.org/record/3835040/files/figure.png" pageId="16" pageNumber="17">Fig. 10B, D, F, H</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<caption id="DF479CA5D908F77EB5B27AAEFDAE09F8" ID-DOI="http://doi.org/10.5281/zenodo.3835034" ID-Zenodo-Dep="3835034" httpUri="https://zenodo.org/record/3835034/files/figure.png" pageId="12" pageNumber="13" startId="12.[189,232,1790,1816]" targetBox="[254,1322,268,1748]" targetPageId="12">
|
||
<paragraph id="8B87CC2DD908F77EB5B27AAEFDAE09F8" blockId="12.[189,1399,1790,2028]" pageId="12" pageNumber="13">
|
||
<emphasis id="B94C103FD908F77EB5B27AAEFEA8090D" bold="true" box="[189,272,1790,1817]" pageId="12" pageNumber="13">Fig. 7.</emphasis>
|
||
<taxonomicName id="4C38B7AED908F77EB4137AAFFC90090D" authority="Mortensen, 1933" authorityName="Mortensen" authorityYear="1933" box="[284,808,1791,1817]" class="Ophiuroidea" family="Euryalidae" genus="Asterostegus" kingdom="Animalia" order="Euryalida" pageId="12" pageNumber="13" phylum="Echinodermata" rank="species" species="tuberculatus">
|
||
<emphasis id="B94C103FD908F77EB4137AAFFDF7090D" box="[284,591,1791,1817]" italics="true" pageId="12" pageNumber="13">Asterostegus tuberculatus</emphasis>
|
||
Mortensen, 1933
|
||
</taxonomicName>
|
||
(SMNH 123461).
|
||
<emphasis id="B94C103FD908F77EB11A7AAEFB92090C" bold="true" box="[1045,1066,1790,1816]" pageId="12" pageNumber="13">A</emphasis>
|
||
. Aboral disc and proximal portion of arm.
|
||
<emphasis id="B94C103FD908F77EB48E7B72FE2D0928" bold="true" box="[385,405,1826,1852]" pageId="12" pageNumber="13">B</emphasis>
|
||
. Aboral periphery of disc.
|
||
<emphasis id="B94C103FD908F77EB7EC7B72FD400928" bold="true" box="[739,760,1826,1852]" pageId="12" pageNumber="13">C</emphasis>
|
||
. Aboral central disc.
|
||
<emphasis id="B94C103FD908F77EB10C7B72FBA00928" bold="true" box="[1027,1048,1826,1852]" pageId="12" pageNumber="13">D</emphasis>
|
||
. Oral disc.
|
||
<emphasis id="B94C103FD908F77EB1A37B72FB780928" bold="true" box="[1196,1216,1826,1852]" pageId="12" pageNumber="13">E</emphasis>
|
||
. Jaws.
|
||
<emphasis id="B94C103FD908F77EB0117B72FA880928" bold="true" box="[1310,1328,1826,1852]" pageId="12" pageNumber="13">F</emphasis>
|
||
. Oral periphery of disc.
|
||
<emphasis id="B94C103FD908F77EB49A7B15FE14094B" bold="true" box="[405,428,1861,1887]" pageId="12" pageNumber="13">G</emphasis>
|
||
. Oral periphery of disc, skin removed to observe internal ossicles, oral interradial plates of the same row are connected by black bars.
|
||
<emphasis id="B94C103FD908F77EB6287B38FC860996" bold="true" box="[807,830,1896,1922]" pageId="12" pageNumber="13">H</emphasis>
|
||
. Lateral disc, an arrow indicates madreporite.
|
||
<emphasis id="B94C103FD908F77EB06B7B38FAD70996" bold="true" box="[1380,1391,1896,1922]" pageId="12" pageNumber="13">I</emphasis>
|
||
. Aboral proximal portion of arm. Abbreviations: ADS = adoral shield, GEO = granule-shaped external ossicle, GS = genital slit, LB = lateral bar, OIP = oral interradial plate, OP = oral papillae, Te = teeth, Ten = tentacle, Tu = tubercle.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF479CA5D909F77FB5B27B70FC6E09FE" ID-DOI="http://doi.org/10.5281/zenodo.3835036" ID-Zenodo-Dep="3835036" httpUri="https://zenodo.org/record/3835036/files/figure.png" pageId="13" pageNumber="14" startId="13.[189,232,1824,1850]" targetBox="[192,1398,363,1779]" targetPageId="13">
|
||
<paragraph id="8B87CC2DD909F77FB5B27B70FC6E09FE" blockId="13.[189,1399,1824,2027]" pageId="13" pageNumber="14">
|
||
<emphasis id="B94C103FD909F77FB5B27B70FEB4092E" bold="true" box="[189,268,1824,1850]" pageId="13" pageNumber="14">Fig. 8.</emphasis>
|
||
<taxonomicName id="4C38B7AED909F77FB41A7B71FCAE092E" authority="Mortensen, 1933" authorityName="Mortensen" authorityYear="1933" box="[277,790,1824,1851]" class="Ophiuroidea" family="Euryalidae" genus="Asterostegus" kingdom="Animalia" order="Euryalida" pageId="13" pageNumber="14" phylum="Echinodermata" rank="species" species="tuberculatus">
|
||
<emphasis id="B94C103FD909F77FB41A7B71FDFD092E" box="[277,581,1824,1851]" italics="true" pageId="13" pageNumber="14">Asterostegus tuberculatus</emphasis>
|
||
Mortensen, 1933
|
||
</taxonomicName>
|
||
(SMNH 123461), SEM photographs.
|
||
<emphasis id="B94C103FD909F77FB1D07B70FAAB092E" bold="true" box="[1247,1299,1824,1850]" pageId="13" pageNumber="14">A-C</emphasis>
|
||
. Lateral arm plates from middle portion of arm: internal view (A), oral view (B) and external view (C).
|
||
<emphasis id="B94C103FD909F77FB0317B14FAD7094A" bold="true" box="[1342,1391,1860,1886]" pageId="13" pageNumber="14">D-F</emphasis>
|
||
. Late-ral arm plates from distal portion of arm: external view (D), internal view (E) and oral view (F).
|
||
<emphasis id="B94C103FD909F77FB5B27BDAFF5109B0" bold="true" box="[189,233,1930,1956]" pageId="13" pageNumber="14">G-I</emphasis>
|
||
. Arm spines from proximal portion (G), middle portion (H) and distal portion, an arc indicates lamina (I).
|
||
<emphasis id="B94C103FD909F77FB5E57BFDFEA109D3" bold="true" box="[234,281,1965,1991]" pageId="13" pageNumber="14">J-K</emphasis>
|
||
. Tubercles on proximal portion of arm: external view (J) and lateral view (K). Abbreviations: MO = muscle opening, NO = nerve opening, ST = secondary tooth.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF479CA5D90AF77CB5B27B39FE1109F9" ID-DOI="http://doi.org/10.5281/zenodo.3835038" ID-Zenodo-Dep="3835038" httpUri="https://zenodo.org/record/3835038/files/figure.png" pageId="14" pageNumber="15" startId="14.[189,232,1897,1923]" targetBox="[191,1398,672,1857]" targetPageId="14">
|
||
<paragraph id="8B87CC2DD90AF77CB5B27B39FE1109F9" blockId="14.[189,1399,1897,2030]" pageId="14" pageNumber="15">
|
||
<emphasis id="B94C103FD90AF77CB5B27B39FEB30990" bold="true" box="[189,267,1897,1924]" pageId="14" pageNumber="15">Fig. 9.</emphasis>
|
||
<taxonomicName id="4C38B7AED90AF77CB41C7B3AFCA80990" authority="Mortensen, 1933" authorityName="Mortensen" authorityYear="1933" box="[275,784,1898,1924]" class="Ophiuroidea" family="Euryalidae" genus="Asterostegus" kingdom="Animalia" order="Euryalida" pageId="14" pageNumber="15" phylum="Echinodermata" rank="species" species="tuberculatus">
|
||
<emphasis id="B94C103FD90AF77CB41C7B3AFDF90990" box="[275,577,1898,1924]" italics="true" pageId="14" pageNumber="15">Asterostegus tuberculatus</emphasis>
|
||
Mortensen, 1933
|
||
</taxonomicName>
|
||
(SMNH 123461).
|
||
<emphasis id="B94C103FD90AF77CB6E07B39FBBC0997" bold="true" box="[1007,1028,1897,1923]" pageId="14" pageNumber="15">A</emphasis>
|
||
. Aboral middle portion of arm.
|
||
<emphasis id="B94C103FD90AF77CB5B27BDDFF6909B3" bold="true" box="[189,209,1933,1959]" pageId="14" pageNumber="15">B</emphasis>
|
||
. Aboral distal portion of arm.
|
||
<emphasis id="B94C103FD90AF77CB73E7BDDFDFE09B3" bold="true" box="[561,582,1933,1959]" pageId="14" pageNumber="15">C</emphasis>
|
||
. Oral proximal portion of arm.
|
||
<emphasis id="B94C103FD90AF77CB6BA7BDDFC7209B3" bold="true" box="[949,970,1933,1959]" pageId="14" pageNumber="15">D</emphasis>
|
||
. Oral middle portion of arm.
|
||
<emphasis id="B94C103FD90AF77CB02E7BDDFA8D09B3" bold="true" box="[1313,1333,1933,1959]" pageId="14" pageNumber="15">E</emphasis>
|
||
. Oral distal portion of arm.
|
||
<emphasis id="B94C103FD90AF77CB4B67BE0FE7309DE" bold="true" box="[441,459,1968,1994]" pageId="14" pageNumber="15">F</emphasis>
|
||
. Lateral distal portion of arm. Abbreviations: AS = arm spine, LAP = lateral arm plate, Tu = tubercle.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF479CA5D90BF77DB5B27B38FD7809F8" ID-DOI="http://doi.org/10.5281/zenodo.3835040" ID-Zenodo-Dep="3835040" httpUri="https://zenodo.org/record/3835040/files/figure.png" pageId="15" pageNumber="16" startId="15.[189,232,1896,1922]" targetBox="[189,1399,323,1843]" targetPageId="15">
|
||
<paragraph id="8B87CC2DD90BF77DB5B27B38FD7809F8" blockId="15.[189,1398,1896,2028]" pageId="15" pageNumber="16">
|
||
<emphasis id="B94C103FD90BF77DB5B27B38FEA00996" bold="true" box="[189,280,1896,1922]" pageId="15" pageNumber="16">Fig. 10.</emphasis>
|
||
<taxonomicName id="4C38B7AED90BF77DB4117B39FCAF0996" authority="Mortensen, 1933" authorityName="Mortensen" authorityYear="1933" box="[286,791,1896,1923]" class="Ophiuroidea" family="Euryalidae" genus="Asterostegus" kingdom="Animalia" order="Euryalida" pageId="15" pageNumber="16" phylum="Echinodermata" rank="species" species="tuberculatus">
|
||
<emphasis id="B94C103FD90BF77DB4117B39FDF30996" box="[286,587,1896,1923]" italics="true" pageId="15" pageNumber="16">Asterostegus tuberculatus</emphasis>
|
||
Mortensen, 1933
|
||
</taxonomicName>
|
||
(SMNH 123461), SEM photographs.
|
||
<emphasis id="B94C103FD90BF77DB1DD7B38FABE0996" bold="true" box="[1234,1286,1896,1922]" pageId="15" pageNumber="16">A-D</emphasis>
|
||
. Vertebra from middle portion of arm: distal view (A), aboral view (B), oral view (C) and lateral view (D).
|
||
<emphasis id="B94C103FD90BF77DB0347BDCFAD709B2" bold="true" box="[1339,1391,1932,1958]" pageId="15" pageNumber="16">E-H</emphasis>
|
||
. Vertebrae from distal portion of arm: distal view (E), aboral view (F), oral view (G) and lateral view (H). Abbreviations: K = knob, OB = oral bridge.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8B87CC2DD914F762B5B27DC3FE8A0FE7" blockId="16.[189,1399,403,499]" pageId="16" pageNumber="17">
|
||
COLOUR. Uniformly white, slightly grayish on aboral disc surface except radial shields (
|
||
<figureCitation id="1303D0A8D914F762B1B07DC3FAA60FB9" box="[1215,1310,403,429]" captionStart="Fig" captionStartId="12.[189,232,1790,1816]" captionTargetBox="[254,1322,268,1748]" captionTargetId="figure@12.[249,1324,265,1751]" captionTargetPageId="12" captionText="Fig. 7. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral disc and proximal portion of arm. B. Aboral periphery of disc. C. Aboral central disc. D. Oral disc. E. Jaws. F. Oral periphery of disc. G. Oral periphery of disc, skin removed to observe internal ossicles, oral interradial plates of the same row are connected by black bars. H. Lateral disc, an arrow indicates madreporite. I. Aboral proximal portion of arm. Abbreviations: ADS = adoral shield, GEO = granule-shaped external ossicle, GS = genital slit, LB = lateral bar, OIP = oral interradial plate, OP = oral papillae, Te = teeth, Ten = tentacle, Tu = tubercle." figureDoi="http://doi.org/10.5281/zenodo.3835034" httpUri="https://zenodo.org/record/3835034/files/figure.png" pageId="16" pageNumber="17">Fig. 7A</figureCitation>
|
||
). Black spots appear on aboral and lateral arms randomly, every 2-20 arm segments (
|
||
<figureCitation id="1303D0A8D914F762B15F7DE6FB1C0FC5" box="[1104,1188,438,465]" captionStart="Fig" captionStartId="12.[189,232,1790,1816]" captionTargetBox="[254,1322,268,1748]" captionTargetId="figure@12.[249,1324,265,1751]" captionTargetPageId="12" captionText="Fig. 7. Asterostegus tuberculatus Mortensen, 1933 (SMNH 123461). A. Aboral disc and proximal portion of arm. B. Aboral periphery of disc. C. Aboral central disc. D. Oral disc. E. Jaws. F. Oral periphery of disc. G. Oral periphery of disc, skin removed to observe internal ossicles, oral interradial plates of the same row are connected by black bars. H. Lateral disc, an arrow indicates madreporite. I. Aboral proximal portion of arm. Abbreviations: ADS = adoral shield, GEO = granule-shaped external ossicle, GS = genital slit, LB = lateral bar, OIP = oral interradial plate, OP = oral papillae, Te = teeth, Ten = tentacle, Tu = tubercle." figureDoi="http://doi.org/10.5281/zenodo.3835034" httpUri="https://zenodo.org/record/3835034/files/figure.png" pageId="16" pageNumber="17">Fig. 7I</figureCitation>
|
||
). Colour in life is unknown.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3229FA6D914F762B5B27E4BFDDC0C9C" pageId="16" pageNumber="17" type="distribution">
|
||
<paragraph id="8B87CC2DD914F762B5B27E4BFEEE0C21" blockId="16.[189,342,539,565]" box="[189,342,539,565]" pageId="16" pageNumber="17">
|
||
<heading id="D0CF7B41D914F762B5B27E4BFEEE0C21" bold="true" box="[189,342,539,565]" fontSize="11" level="3" pageId="16" pageNumber="17" reason="3">
|
||
<emphasis id="B94C103FD914F762B5B27E4BFEEE0C21" bold="true" box="[189,342,539,565]" pageId="16" pageNumber="17">Distribution</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="8B87CC2DD914F762B5B27E19FDDC0C9C" blockId="16.[189,1398,585,648]" pageId="16" pageNumber="17">
|
||
Off Durban,
|
||
<quantity id="4CC061C8D914F762B4557E19FE100C70" box="[346,424,585,612]" metricMagnitude="2" metricUnit="m" metricValue="3.76" pageId="16" pageNumber="17" unit="m" value="376.0">376 m</quantity>
|
||
depth,
|
||
<collectingCountry id="F32F8CBDD914F762B7087E19FC800C77" box="[519,824,585,611]" name="South Africa" pageId="16" pageNumber="17">Republic of South Africa</collectingCountry>
|
||
(
|
||
<typeStatus id="5483728FD914F762B6457E1AFCC60C70" box="[842,894,586,612]" pageId="16" pageNumber="17">type</typeStatus>
|
||
locality,
|
||
<bibRefCitation id="EFA9B1DCD914F762B6FD7E1AFB700C70" author="Mortensen T." box="[1010,1224,585,612]" pageId="16" pageNumber="17" pagination="215 - 400" refId="ref6544" refString="Mortensen T. 1933 b. Papers from Dr. Th. Mortensen's Pacific Expedition 1914 - 1916. LXV. Echinoderms of South Africa (Asteroidea and Ophiuroidea). Meddelelser fra Dansk naturhistorisk Forening 93: 215 - 400." type="journal article" year="1933">Mortensen 1933b</bibRefCitation>
|
||
). Off
|
||
<collectingCountry id="F32F8CBDD914F762B01C7E19FEB00C93" name="Reunion Island" pageId="16" pageNumber="17">Reunion Island</collectingCountry>
|
||
,
|
||
<quantity id="4CC061C8D914F762B41C7E3DFEE60C93" box="[275,350,621,648]" metricMagnitude="2" metricUnit="m" metricValue="5.0" pageId="16" pageNumber="17" unit="m" value="500.0">500 m</quantity>
|
||
depth (present study).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3229FA6D914F762B5B27EFEFD550D2A" pageId="16" pageNumber="17" type="discussion">
|
||
<paragraph id="8B87CC2DD914F762B5B27EFEFE970CDC" blockId="16.[189,303,686,712]" box="[189,303,686,712]" pageId="16" pageNumber="17">
|
||
<heading id="D0CF7B41D914F762B5B27EFEFE970CDC" bold="true" box="[189,303,686,712]" fontSize="11" level="3" pageId="16" pageNumber="17" reason="3">
|
||
<emphasis id="B94C103FD914F762B5B27EFEFE970CDC" bold="true" box="[189,303,686,712]" pageId="16" pageNumber="17">Remarks</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="8B87CC2DD914F762B5B27E8DFD550D2A" blockId="16.[189,1399,733,830]" pageId="16" pageNumber="17">
|
||
<taxonomicName id="4C38B7AED914F762B5B27E8DFE510CE3" authorityName="Mortensen" authorityYear="1933" box="[189,489,733,759]" class="Ophiuroidea" family="Euryalidae" genus="Asterostegus" kingdom="Animalia" order="Euryalida" pageId="16" pageNumber="17" phylum="Echinodermata" rank="species" species="tuberculatus">
|
||
<emphasis id="B94C103FD914F762B5B27E8DFE510CE3" box="[189,489,733,759]" italics="true" pageId="16" pageNumber="17">Asterostegus tuberculatus</emphasis>
|
||
</taxonomicName>
|
||
can be distinguished from the other two species in the arrangement of tubercles on the disc, numbers of tubercles on lateral bars, and the arrangement of oral interradial plates (
|
||
<tableCitation id="C6BAF996D914F762B0187F50FAD70D0E" box="[1303,1391,768,794]" captionStart="Table 1" captionStartId="3.[189,254,267,293]" captionTargetBox="[208,1381,344,773]" captionTargetId="graphics@3.[189,1398,314,781]" captionText="Table 1. A tabular character key to the species of Asterostegus." httpUri="http://table.plazi.org/id/DF479CA5D907F771B5B27D5BFC220F32" pageId="16" pageNumber="17" tableUuid="DF479CA5D907F771B5B27D5BFC220F32">Table 1</tableCitation>
|
||
, see also the Remarks for the other two species).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |