142 lines
16 KiB
XML
142 lines
16 KiB
XML
<document id="DC5C96B93181F21DC3EBFC72A131116E" ID-CLB-Dataset="55246" ID-DOI="10.11646/zootaxa.5310.1.1" ID-GBIF-Dataset="95de53d6-ac5c-424e-a3ed-087bc2e2912b" ID-ISSN="1175-5326" ID-Zenodo-Dep="8090240" ID-ZooBank="C6664128-1B4E-40C8-80E8-6D09AB49CB30" IM.bibliography_approvedBy="juliana" IM.illustrations_approvedBy="juliana" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="juliana" checkinTime="1687949290506" checkinUser="plazi" docAuthor="Mah, Christopher L." docDate="2023" docId="03C387E86611FFC3FF68E51F8342FAC8" docLanguage="en" docName="zootaxa.5310.1.1.pdf" docOrigin="Zootaxa 5310 (1)" docSource="http://dx.doi.org/10.11646/zootaxa.5310.1.1" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Notioceramus Fisher 1940" docType="treatment" docVersion="6" lastPageNumber="33" masterDocId="FFFAFF906631FFE3FFFFE7588613FFBB" masterDocTitle="New Genera, Species, and observations on the biology of Antarctic Valvatida (Asteroidea)" masterLastPageNumber="88" masterPageNumber="1" pageNumber="33" updateTime="1699530808066" updateUser="plazi">
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<mods:title id="E1C3F5F8E4F900180DDF83B4898B3949">New Genera, Species, and observations on the biology of Antarctic Valvatida (Asteroidea)</mods:title>
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<mods:namePart id="20F072EB5FA3EA92BEC1FC6562A612C0">Mah, Christopher L.</mods:namePart>
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<mods:typeOfResource id="BE18DFCD7C6F84692CA25898F6FF0297">text</mods:typeOfResource>
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<mods:title id="DC3C181917A2E2096150B001AF0A06AA">Zootaxa</mods:title>
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<mods:date id="9A5A21EA4ABA6F2BD77FFC9F3C1D9AC9">2023</mods:date>
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<mods:number id="3B55B51C86461C04FF6337A474396EA3">2023-06-27</mods:number>
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<mods:number id="D2E8C4B8A74F7B3E2BA1DAE0549FF842">5310</mods:number>
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<treatment id="03C387E86611FFC3FF68E51F8342FAC8" ID-DOI="http://doi.org/10.5281/zenodo.8090150" ID-GBIF-Taxon="210479593" ID-Zenodo-Dep="8090150" LSID="urn:lsid:plazi:treatment:03C387E86611FFC3FF68E51F8342FAC8" httpUri="http://treatment.plazi.org/id/03C387E86611FFC3FF68E51F8342FAC8" lastPageNumber="33" pageId="32" pageNumber="33">
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<subSubSection id="C37065756611FFC3FF68E51F87C9FDDA" box="[151,474,583,609]" pageId="32" pageNumber="33" type="nomenclature">
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<paragraph id="8BD536FE6611FFC3FF68E51F87C9FDDA" blockId="32.[151,637,583,639]" box="[151,474,583,609]" pageId="32" pageNumber="33">
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<heading id="D09D81926611FFC3FF68E51F87C9FDDA" box="[151,474,583,609]" fontSize="11" level="2" pageId="32" pageNumber="33" reason="5">
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<taxonomicName id="4C6A4D7D6611FFC3FF68E51F87C9FDDA" ID-CoL="7PMMT" ID-ENA="655561" authority="Fisher, 1940" authorityName="Fisher" authorityYear="1940" box="[151,474,583,609]" class="Asteroidea" family="Goniasteridae" genus="Notioceramus" kingdom="Animalia" order="Valvatida" pageId="32" pageNumber="33" phylum="Echinodermata" rank="genus">
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<emphasis id="B91EEAEC6611FFC3FF68E51F8753FDDA" bold="true" box="[151,320,583,609]" italics="true" pageId="32" pageNumber="33">Notioceramus</emphasis>
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<bibRefCitation id="EFFB4B0F6611FFC3FEB7E51F87C9FDDA" author="Fisher, W. K." box="[328,474,583,609]" pageId="32" pageNumber="33" pagination="69 - 306" refId="ref57901" refString="Fisher, W. K. (1940) Asteroidea. Discovery Reports, 20, 69 - 306." type="journal article" year="1940">Fisher, 1940</bibRefCitation>
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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="C37065756611FFC3FF68E530846EFDC4" box="[151,637,615,639]" pageId="32" pageNumber="33" type="reference_group">
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<paragraph id="8BD536FE6611FFC3FF68E530846EFDC4" blockId="32.[151,637,583,639]" box="[151,637,615,639]" pageId="32" pageNumber="33">
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<treatmentCitationGroup id="AB7A11D06611FFC3FF68E530846EFDC4" box="[151,637,615,639]" pageId="32" pageNumber="33">
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<treatmentCitation id="0ACB10EF6611FFC3FF68E53087CCFDC4" author="Fisher, W. K." box="[151,479,615,639]" page="119" pageId="32" pageNumber="33" year="1940">
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<taxonomicName id="4C6A4D7D6611FFC3FF68E53087CCFDC4" ID-CoL="7PMMT" authority="Fisher, 1940: 119" authorityName="Fisher" authorityPageNumber="119" authorityYear="1940" box="[151,479,615,639]" class="Asteroidea" family="Goniasteridae" genus="Notioceramus" kingdom="Animalia" order="Valvatida" pageId="32" pageNumber="33" phylum="Echinodermata" rank="genus">
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<emphasis id="B91EEAEC6611FFC3FF68E5308736FDC4" box="[151,293,616,639]" italics="true" pageId="32" pageNumber="33">Notioceramus</emphasis>
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<bibRefCitation id="EFFB4B0F6611FFC3FED3E53F87CCFDC4" author="Fisher, W. K." box="[300,479,615,639]" pageId="32" pageNumber="33" pagination="69 - 306" refId="ref57901" refString="Fisher, W. K. (1940) Asteroidea. Discovery Reports, 20, 69 - 306." type="journal article" year="1940">Fisher, 1940: 119</bibRefCitation>
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</taxonomicName>
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</treatmentCitation>
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; Mah 2011: 32.
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</treatmentCitationGroup>
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</paragraph>
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</subSubSection>
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<subSubSection id="C37065756611FFC3FF68E5F5847FFC88" pageId="32" pageNumber="33" type="diagnosis">
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<paragraph id="8BD536FE6611FFC3FF68E5F58719FD7C" blockId="32.[151,1436,685,820]" box="[151,266,685,711]" pageId="32" pageNumber="33">
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<emphasis id="B91EEAEC6611FFC3FF68E5F58719FD7C" bold="true" box="[151,266,685,711]" pageId="32" pageNumber="33">Diagnosis</emphasis>
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</paragraph>
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<paragraph id="8BD536FE6611FFC3FF38E589847FFC88" blockId="32.[151,1436,685,820]" pageId="32" pageNumber="33">Body stellate. Abactinal, marginal, and actinal surface densely covered by large, coarse, hemispherical granules that nearly obscure plate boundaries. Body wall thin, parchment like. Marginal plates with lateral facing. Furrow spines two to three, subambulacrals large.</paragraph>
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</subSubSection>
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<subSubSection id="C37065756611FFC3FF68E4398342FAC8" pageId="32" pageNumber="33" type="discussion">
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<paragraph id="8BD536FE6611FFC3FF68E439870BFCC0" blockId="32.[151,1437,865,1396]" box="[151,280,865,891]" pageId="32" pageNumber="33">
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<emphasis id="B91EEAEC6611FFC3FF68E439870BFCC0" bold="true" box="[151,280,865,891]" pageId="32" pageNumber="33">Comments</emphasis>
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</paragraph>
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<paragraph id="8BD536FE6611FFC3FF38E4DD8204FBB0" blockId="32.[151,1437,865,1396]" pageId="32" pageNumber="33">
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The two new species of
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<taxonomicName id="4C6A4D7D6611FFC3FE1EE4DE846DFC24" authorityName="Fisher" authorityYear="1940" box="[481,638,902,927]" class="Asteroidea" family="Goniasteridae" genus="Notioceramus" kingdom="Animalia" order="Valvatida" pageId="32" pageNumber="33" phylum="Echinodermata" rank="genus">
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<emphasis id="B91EEAEC6611FFC3FE1EE4DE846DFC24" box="[481,638,902,927]" italics="true" pageId="32" pageNumber="33">Notioceramus</emphasis>
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</taxonomicName>
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described here were collected from substantially deeper habitats than the
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<typeStatus id="54D1885C6611FFC3FF39E4F286E5FC7F" box="[198,246,938,964]" pageId="32" pageNumber="33">type</typeStatus>
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species,
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<taxonomicName id="4C6A4D7D6611FFC3FE98E4F2850EFC78" authority="Fisher, 1940" authorityName="Fisher" authorityYear="1940" box="[359,797,937,963]" class="Asteroidea" family="Goniasteridae" genus="Notioceramus" kingdom="Animalia" order="Valvatida" pageId="32" pageNumber="33" phylum="Echinodermata" rank="species" species="anomalus">
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<emphasis id="B91EEAEC6611FFC3FE98E4F2846DFC78" box="[359,638,937,963]" italics="true" pageId="32" pageNumber="33">Notioceramus anomalus</emphasis>
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<bibRefCitation id="EFFB4B0F6611FFC3FD75E4F1850EFC78" author="Fisher, W. K." box="[650,797,937,963]" pageId="32" pageNumber="33" pagination="69 - 306" refId="ref57901" refString="Fisher, W. K. (1940) Asteroidea. Discovery Reports, 20, 69 - 306." type="journal article" year="1940">Fisher, 1940</bibRefCitation>
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</taxonomicName>
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, which has been recorded primarily from
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<quantity id="4C929B1B6611FFC3FAE7E4F1838FFC7F" box="[1304,1436,937,964]" metricMagnitude="2" metricUnit="m" metricValue="5.46" metricValueMax="7.5" metricValueMin="3.42" pageId="32" pageNumber="33" unit="m" value="546.0" valueMax="750.0" valueMin="342.0">342–750 m</quantity>
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(
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<bibRefCitation id="EFFB4B0F6611FFC3FF60E4958739FC5C" author="Fisher, W. K." box="[159,298,973,999]" pageId="32" pageNumber="33" pagination="69 - 306" refId="ref57901" refString="Fisher, W. K. (1940) Asteroidea. Discovery Reports, 20, 69 - 306." type="journal article" year="1940">Fisher 1940</bibRefCitation>
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; A.M.
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<bibRefCitation id="EFFB4B0F6611FFC3FE85E49587EEFC5C" author="Clark, A. M." box="[378,509,973,999]" pageId="32" pageNumber="33" pagination="68 - 70" refId="ref56254" refString="Clark, A. M. (1962) Asteroidea. B. A. N. Z. Antarctic Research Expedition 1929 - 1931, B 9, 68 - 70." type="journal article" year="1962">Clark 1962</bibRefCitation>
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). In contrast, the new species described herein
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<taxonomicName id="4C6A4D7D6611FFC3FBE7E4968336FC5C" authority="Mah, 2023" authorityName="Mah" authorityYear="2023" box="[1048,1317,973,999]" class="Asteroidea" family="Goniasteridae" genus="Notioceramus" kingdom="Animalia" order="Valvatida" pageId="32" pageNumber="33" phylum="Echinodermata" rank="species" species="abyssalis" status="sp. nov.">
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<emphasis id="B91EEAEC6611FFC3FBE7E4968336FC5C" box="[1048,1317,973,999]" italics="true" pageId="32" pageNumber="33">Notioceramus abyssalis</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A22D57976611FFC3FAD1E4968378FC53" box="[1326,1387,974,1000]" pageId="32" pageNumber="33" rank="species">n. sp.</taxonomicNameLabel>
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and
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<taxonomicName id="4C6A4D7D6611FFC3FF68E4AA8794FBB0" authority="Mah, 2023" authorityName="Mah" authorityYear="2023" box="[151,391,1009,1035]" class="Asteroidea" family="Goniasteridae" genus="Notioceramus" kingdom="Animalia" order="Valvatida" pageId="32" pageNumber="33" phylum="Echinodermata" rank="species" species="neillae" status="sp. nov.">
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<emphasis id="B91EEAEC6611FFC3FF68E4AA8794FBB0" box="[151,391,1009,1035]" italics="true" pageId="32" pageNumber="33">Notioceramus neillae</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A22D57976611FFC3FE71E4AA87D8FBB7" box="[398,459,1010,1036]" pageId="32" pageNumber="33" rank="species">n. sp.</taxonomicNameLabel>
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were collected from abyssal depths (
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<quantity id="4C929B1B6611FFC3FC96E4A98219FBB0" box="[873,1034,1009,1035]" metricMagnitude="3" metricUnit="m" metricValue="3.1" metricValueMax="3.876" metricValueMin="2.324" pageId="32" pageNumber="33" unit="m" value="3100.0" valueMax="3876.0" valueMin="2324.0">2324–3876 m</quantity>
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).
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</paragraph>
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<paragraph id="8BD536FE6611FFC3FF38E34E836AFB58" blockId="32.[151,1437,865,1396]" pageId="32" pageNumber="33">
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A trend in the degree to which features were calcified was observed between the deepest and shallowest species. The deepest occurring individuals of
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<taxonomicName id="4C6A4D7D6611FFC3FDB4E3628549FBE8" authority="Mah, 2023" authorityName="Mah" authorityYear="2023" box="[587,858,1081,1107]" class="Asteroidea" family="Goniasteridae" genus="Notioceramus" kingdom="Animalia" order="Valvatida" pageId="32" pageNumber="33" phylum="Echinodermata" rank="species" species="abyssalis" status="sp. nov.">
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<emphasis id="B91EEAEC6611FFC3FDB4E3628549FBE8" box="[587,858,1081,1107]" italics="true" pageId="32" pageNumber="33">Notioceramus abyssalis</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A22D57976611FFC3FC9BE36285B7FBEF" box="[868,932,1082,1108]" pageId="32" pageNumber="33" rank="species">n. sp.</taxonomicNameLabel>
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showed more tapering arms, granules with spinose surfaces, fewer granules overall, more rough-tipped actinal spines, and more weakly developed abactinal and marginal plates. This contrasted with
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<taxonomicName id="4C6A4D7D6611FFC3FD7CE3DA858BFB20" authorityName="Fisher" authorityYear="1940" box="[643,920,1153,1179]" class="Asteroidea" family="Goniasteridae" genus="Notioceramus" kingdom="Animalia" order="Valvatida" pageId="32" pageNumber="33" phylum="Echinodermata" rank="species" species="anomalus">
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<emphasis id="B91EEAEC6611FFC3FD7CE3DA858BFB20" box="[643,920,1153,1179]" italics="true" pageId="32" pageNumber="33">Notioceramus anomalus</emphasis>
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</taxonomicName>
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which showed greater numbers of perfectly spherical granules, more stout arms, and more strongly calcified abactinal and marginal plates.
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<taxonomicName id="4C6A4D7D6611FFC3FB52E3FE838FFB04" authority="Mah, 2023" authorityName="Mah" authorityYear="2023" box="[1197,1436,1189,1215]" class="Asteroidea" family="Goniasteridae" genus="Notioceramus" kingdom="Animalia" order="Valvatida" pageId="32" pageNumber="33" phylum="Echinodermata" rank="species" species="neillae" status="sp. nov.">
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<emphasis id="B91EEAEC6611FFC3FB52E3FE838FFB04" box="[1197,1436,1189,1215]" italics="true" pageId="32" pageNumber="33">Notioceramus neillae</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A22D57976611FFC3FF68E39286C0FB5F" box="[151,211,1226,1252]" pageId="32" pageNumber="33" rank="species">n. sp.</taxonomicNameLabel>
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appeared intermediate between the two. However only two individuals of
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<taxonomicName id="4C6A4D7D6611FFC3FBE7E3928297FB58" authority="Mah, 2023" authorityName="Mah" authorityYear="2023" box="[1048,1156,1225,1251]" class="Asteroidea" family="Goniasteridae" genus="Notioceramus" kingdom="Animalia" order="Valvatida" pageId="32" pageNumber="33" phylum="Echinodermata" rank="species" species="neillae" status="sp. nov.">
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<emphasis id="B91EEAEC6611FFC3FBE7E3928297FB58" box="[1048,1156,1225,1251]" italics="true" pageId="32" pageNumber="33">N. neillae</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A22D57976611FFC3FB73E39282DBFB5F" box="[1164,1224,1226,1252]" pageId="32" pageNumber="33" rank="species">n. sp.</taxonomicNameLabel>
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were available.
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</paragraph>
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<paragraph id="8BD536FE6611FFC3FF38E3B68342FAC8" blockId="32.[151,1437,865,1396]" pageId="32" pageNumber="33">
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It is difficult to assess the polarity of these morphological trends without a full phylogenetic assessment of
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<taxonomicName id="4C6A4D7D6611FFC3FF68E24A8727FA90" authorityName="Fisher" authorityYear="1940" box="[151,308,1298,1323]" class="Asteroidea" family="Goniasteridae" genus="Notioceramus" kingdom="Animalia" order="Valvatida" pageId="32" pageNumber="33" phylum="Echinodermata" rank="genus">
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<emphasis id="B91EEAEC6611FFC3FF68E24A8727FA90" box="[151,308,1298,1323]" italics="true" pageId="32" pageNumber="33">Notioceramus</emphasis>
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</taxonomicName>
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and its sister taxa and as such, difficult to conclude whether the derived species shows accentuated calcification or decalcification of the endoskeleton and its accessories. Based on affinities outlined below, both shallow and deep-water sister taxa are plausible making an assessment difficult without further information.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |