259 lines
26 KiB
XML
259 lines
26 KiB
XML
<document id="458EA40061139C0F6434A2F9E20214E0" ID-DOI="10.1080/14772019.2016.1245680" ID-ISSN="1478-0941" ID-Zenodo-Dep="10883052" ID-ZooBank="3EBCAEF3-27C2-4216-9F18-89F195FA534F" IM.bibliography_approvedBy="diego" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="diego" IM.treatments_approvedBy="diego" checkinTime="1711483395715" checkinUser="felipe" docAuthor="Foster, William J., Danise, Silvia & Twitchett, Richard J." docDate="2017" docId="C53B0B4D805BE8206DE1FAB18E96238B" docLanguage="en" docName="JSystPalaeontol.15.10.851-877.pdf" docOrigin="Journal of Systematic Palaeontology 15 (10)" docSource="http://dx.doi.org/10.1080/14772019.2016.1245680" docStyle="DocumentStyle:602474738E3D100F0F13788B53F61545.3:JSystPalaeontol.2016-.journal_article.open" docStyleId="602474738E3D100F0F13788B53F61545" docStyleName="JSystPalaeontol.2016-.journal_article.open" docStyleVersion="3" docTitle="Austrotindaria canalensis" docType="treatment" docVersion="1" lastPageNumber="861" masterDocId="390273358050E82B6D0FFFE98D67263C" masterDocTitle="A silicified Early Triassic marine assemblage from Svalbard" masterLastPageNumber="877" masterPageNumber="851" pageNumber="861" updateTime="1711980974004" updateUser="diego" zenodo-license-document="CC-BY-4.0">
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<mods:title id="75BDA22CB95F907741CBDA602944E827">A silicified Early Triassic marine assemblage from Svalbard</mods:title>
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<mods:name id="D3FBFBCC7BD4A725F2AD6DB76BA49083" type="personal">
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<mods:namePart id="627BECA9835B40E8091DCE17F984FE5A">Foster, William J.</mods:namePart>
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<mods:affiliation id="E3B28A86F344F927C3A5F8BA9383AA9E">Jackson School of Geosciences, University of Texas, Austin, TX 78712, USA; & Earth Sciences, Plymouth University, Plymouth, PL 4 8 AA, UK; & Department of Earth Sciences, Natural History Museum, London, SW 7 5 BD, UK;</mods:affiliation>
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<mods:namePart id="D067D45AA0CB92A9CBFD31CABDCC21DB">Danise, Silvia</mods:namePart>
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<mods:affiliation id="71D4705643E9AA0D56DDB06C975D384B">Earth Sciences, Plymouth University, Plymouth, PL 4 8 AA, UK; & Department of Geology, University of Georgia, Athens, GA 30602, USA</mods:affiliation>
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<mods:namePart id="595CBC588F284B5BD61D0EA4628B2973">Twitchett, Richard J.</mods:namePart>
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<mods:affiliation id="2A3E56239F47059E4C077E4D9CF80877">Department of Earth Sciences, Natural History Museum, London, SW 7 5 BD, UK;</mods:affiliation>
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<mods:title id="B45134D663CE613E9B947BEFFE42376D">Journal of Systematic Palaeontology</mods:title>
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<mods:date id="6EBC2A87B4C10384E8D047FDB2EB8DA3">2017</mods:date>
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<mods:number id="D27730B8B6FD2228293B45D51DEDF475">2016-11-10</mods:number>
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<mods:start id="A6BD1190B327191E1A011561BA76B99E">851</mods:start>
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<mods:identifier id="99244E16FA23D73A29E9FADD2CF54B53" type="ZooBank">3EBCAEF3-27C2-4216-9F18-89F195FA534F</mods:identifier>
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</mods:mods>
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<treatment id="C53B0B4D805BE8206DE1FAB18E96238B" LSID="urn:lsid:plazi:treatment:C53B0B4D805BE8206DE1FAB18E96238B" httpUri="http://treatment.plazi.org/id/C53B0B4D805BE8206DE1FAB18E96238B" lastPageNumber="861" pageId="11" pageNumber="861">
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<subSubSection id="0588E9D0805BE8206DE1FAB18FD8234C" box="[238,703,1368,1392]" pageId="11" pageNumber="861" type="nomenclature">
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<paragraph id="4D2DBA5B805BE8206DE1FAB18FD8234C" blockId="11.[238,703,1368,1424]" box="[238,703,1368,1392]" pageId="11" pageNumber="861">
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<heading id="16650D37805BE8206DE1FAB18FD8234C" box="[238,703,1368,1392]" centered="true" fontSize="10" level="2" pageId="11" pageNumber="861" reason="8">
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<taxonomicName id="8A92C1D8805BE8206DE1FAB18FD8234C" authority="(Catullo, 1846)" baseAuthorityName="Catullo" baseAuthorityYear="1846" box="[238,703,1368,1392]" class="Bivalvia" family="Neilonellidae" genus="Austrotindaria" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="861" phylum="Mollusca" rank="species" species="canalensis">
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<emphasis id="7FE66649805BE8206DE1FAB18F72234C" bold="true" box="[238,533,1368,1392]" pageId="11" pageNumber="861">
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<emphasis id="7FE66649805BE8206DE1FAB18CE8234C" bold="true" box="[238,399,1368,1392]" italics="true" pageId="11" pageNumber="861">Austrotindaria</emphasis>
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?
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<emphasis id="7FE66649805BE8206CADFAB18F72234C" bold="true" box="[418,533,1368,1392]" italics="true" pageId="11" pageNumber="861">canalensis</emphasis>
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</emphasis>
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(
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<bibRefCitation id="2903C7AA805BE8206F2BFAB08FD1234C" author="Catullo, T. A." box="[548,694,1369,1392]" pageId="11" pageNumber="861" pagination="1 - 158" refId="ref16594" refString="Catullo, T. A. 1846. Memoria geognostico-paleozoica sulle Alpi Venete. Memorie della Societ'a Italiana delle scienze residente in Modena, 24, 1 - 158." type="journal article" year="1846">Catullo, 1846</bibRefCitation>
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||
)
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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="0588E9D0805BE8206CA9FA908EDF26C8" pageId="11" pageNumber="861" type="description">
|
||
<paragraph id="4D2DBA5B805BE8206CA9FA908F6023AC" blockId="11.[238,703,1368,1424]" box="[422,519,1401,1424]" pageId="11" pageNumber="861">
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||
(
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<figureCitation id="D5A9A6DE805BE8206CA1FA908C9923AC" box="[430,510,1401,1424]" captionStart="Figure 2" captionStartId="4.[845,913,830,851]" captionTargetBox="[852,1460,183,798]" captionTargetId="figure-481@4.[852,1460,183,798]" captionTargetPageId="4" captionText="Figure 2. A, Orbiculoidea winsnesi Gobbet, 1963, NHMUK PI BE 3238, dorsal view, dorsal valve; B, Austrotindaria? canalensis (Catullo, 1846), NHMUK PI MB 1198, external view, left valve; C–G, Promyalina schamarae (Bittner, 1899), external view; C, D, NHMUK PI MB 1204; C, right valve; D, left valve. E, F, NHMUK PI MB 1203; E, right valve; F, left valve. G, NHMUK PI MB 1202, right valve. Scale bars: A, B, G = 2 mm, C–F = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.10883056" httpUri="https://zenodo.org/record/10883056/files/figure.png" pageId="11" pageNumber="861">Fig. 2B</figureCitation>
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)
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</paragraph>
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<paragraph id="4D2DBA5B805BE8206D90FA508FC523EC" blockId="11.[159,782,1465,1934]" box="[159,674,1465,1488]" pageId="11" pageNumber="861">
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1846
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<taxonomicName id="8A92C1D8805BE8206DD4FA508C9023EC" authority="Catullo" authorityName="Catullo" authorityYear="1846" box="[219,503,1465,1488]" class="Bivalvia" family="Tellinidae" genus="Tellina" kingdom="Animalia" order="Cardiida" pageId="11" pageNumber="861" phylum="Mollusca" rank="species" species="canalensis">
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<emphasis id="7FE66649805BE8206DD4FA508CFA23EC" box="[219,413,1465,1488]" italics="true" pageId="11" pageNumber="861">Tellina canalensis</emphasis>
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Catullo
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</taxonomicName>
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: 56, pl. 4, fig. 4.
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</paragraph>
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<paragraph id="4D2DBA5B805BE8206D90FA318C8B2033" blockId="11.[159,782,1465,1934]" pageId="11" pageNumber="861">
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1899
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<taxonomicName id="8A92C1D8805BE8206DE9FA318E6E23D3" authority="(Catullo)" baseAuthorityName="Catullo" baseAuthorityYear="1846" box="[230,777,1496,1519]" class="Bivalvia" family="Trigonodidae" genus="Anodontophora" kingdom="Animalia" order="Trigoniida" pageId="11" pageNumber="861" phylum="Mollusca" rank="species" species="canalensis" subGenus="Myacites">
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<emphasis id="7FE66649805BE8206DE9FA318CEA23D3" box="[230,397,1496,1519]" italics="true" pageId="11" pageNumber="861">Anodontophora</emphasis>
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||
(
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<emphasis id="7FE66649805BE8206CA7FA318F6F23D3" box="[424,520,1496,1519]" italics="true" pageId="11" pageNumber="861">Myacites</emphasis>
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||
)
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<emphasis id="7FE66649805BE8206F2CFA318FF423D3" box="[547,659,1496,1519]" italics="true" pageId="11" pageNumber="861">canalensis</emphasis>
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(Catullo)
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</taxonomicName>
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; Bittner: 23, pl. 3, figs 34–38.
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||
</paragraph>
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<paragraph id="4D2DBA5B805BE8206D90F9F18C0F2073" blockId="11.[159,782,1465,1934]" pageId="11" pageNumber="861">
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1908
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<taxonomicName id="8A92C1D8805BE8206DD3F9F18F352013" authority="(Catullo)" baseAuthorityName="Catullo" box="[220,594,1560,1583]" class="Bivalvia" family="Neilonellidae" genus="Anoplophoria" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="861" phylum="Mollusca" rank="species" species="canalensis">
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||
<emphasis id="7FE66649805BE8206DD3F9F18C802013" box="[220,487,1560,1583]" italics="true" pageId="11" pageNumber="861">Anoplophoria canalensis</emphasis>
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||
(Catullo)
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</taxonomicName>
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; von Wittenburg: 281, pl. 5, fig. 6.
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</paragraph>
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<paragraph id="4D2DBA5B805BE8206D90F9B18C5720B3" blockId="11.[159,782,1465,1934]" pageId="11" pageNumber="861">
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1963
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<taxonomicName id="8A92C1D8805BE8206DD2F9B18F4D2053" authority="(Catullo)" baseAuthorityName="Catullo" baseAuthorityYear="1846" box="[221,554,1624,1647]" class="Bivalvia" family="Trigonodidae" genus="Unionites" kingdom="Animalia" order="Trigoniida" pageId="11" pageNumber="861" phylum="Mollusca" rank="species" species="canalensis">
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<emphasis id="7FE66649805BE8206DD2F9B18CDA2053" box="[221,445,1624,1647]" italics="true" pageId="11" pageNumber="861">Unionites canalensis</emphasis>
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(Catullo)
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</taxonomicName>
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; Ciriacks: 81, pl. 16, figs 11, 12.
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</paragraph>
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<paragraph id="4D2DBA5B805BE8206D90F9718C5420F3" blockId="11.[159,782,1465,1934]" pageId="11" pageNumber="861">
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1988
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<taxonomicName id="8A92C1D8805BE8206DD4F9718F442093" authority="(Catullo)" baseAuthorityName="Catullo" baseAuthorityYear="1846" box="[219,547,1688,1711]" class="Bivalvia" family="Trigonodidae" genus="Unionites" kingdom="Animalia" order="Trigoniida" pageId="11" pageNumber="861" phylum="Mollusca" rank="species" species="canalensis">
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<emphasis id="7FE66649805BE8206DD4F9718CDE2093" box="[219,441,1688,1711]" italics="true" pageId="11" pageNumber="861">Unionites canalensis</emphasis>
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(Catullo)
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</taxonomicName>
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; Neri & Posenato: 94, pl. 2, fig. 8.
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</paragraph>
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<paragraph id="4D2DBA5B805BE8206D90F9318C0C2132" blockId="11.[159,782,1465,1934]" pageId="11" pageNumber="861">
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2004
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<taxonomicName id="8A92C1D8805BE8206DEEF9318F0220D3" authority="(Catullo)" baseAuthorityName="Catullo" baseAuthorityYear="1846" box="[225,613,1752,1775]" class="Bivalvia" family="Trigonodidae" genus="Unionites" isUncertain="true" kingdom="Animalia" order="Trigoniida" pageId="11" pageNumber="861" phylum="Mollusca" rank="species" species="canalensis">
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||
<emphasis id="7FE66649805BE8206DEEF9318C2E20D3" box="[225,329,1752,1775]" italics="true" pageId="11" pageNumber="861">Unionites</emphasis>
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aff.
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<emphasis id="7FE66649805BE8206C8BF9318C9320D3" box="[388,500,1752,1775]" italics="true" pageId="11" pageNumber="861">canalensis</emphasis>
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(Catullo)
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||
</taxonomicName>
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||
; Kashiyama & Oji: 214, fig.
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<specimenCount id="5B9471D2805BE8206C47F91E8C0C2132" box="[328,363,1783,1806]" count="8" pageId="11" pageNumber="861" type="generic">8F.</specimenCount>
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||
</paragraph>
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<paragraph id="4D2DBA5B805BE8206D90F8FE8CA72172" blockId="11.[159,782,1465,1934]" pageId="11" pageNumber="861">
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2009
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<taxonomicName id="8A92C1D8805BE8206DD0F8FE8F482112" authority="(Catullo)" baseAuthorityName="Catullo" baseAuthorityYear="1846" box="[223,559,1815,1838]" class="Bivalvia" family="Trigonodidae" genus="Unionites" kingdom="Animalia" order="Trigoniida" pageId="11" pageNumber="861" phylum="Mollusca" rank="species" species="canalensis">
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||
<emphasis id="7FE66649805BE8206DD0F8FE8CA72112" box="[223,448,1815,1838]" italics="true" pageId="11" pageNumber="861">Unionites canalensis</emphasis>
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||
(Catullo)
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</taxonomicName>
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; Kumagae & Nakazawa: 166, fig. 145, 1–4.
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||
</paragraph>
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||
<paragraph id="4D2DBA5B805BE8206D90F8BE8C6521B2" blockId="11.[159,782,1465,1934]" pageId="11" pageNumber="861">
|
||
2015
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||
<taxonomicName id="8A92C1D8805BE8206DD4F8BE8F422152" authority="(Catullo)" baseAuthorityName="Catullo" baseAuthorityYear="1846" box="[219,549,1879,1902]" class="Bivalvia" family="Trigonodidae" genus="Unionites" kingdom="Animalia" order="Trigoniida" pageId="11" pageNumber="861" phylum="Mollusca" rank="species" species="canalensis">
|
||
<emphasis id="7FE66649805BE8206DD4F8BE8CDD2152" box="[219,442,1879,1902]" italics="true" pageId="11" pageNumber="861">Unionites canalensis</emphasis>
|
||
(Catullo)
|
||
</taxonomicName>
|
||
; Hofmann
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||
<emphasis id="7FE66649805BE8206F94F8BE8FB62152" box="[667,721,1879,1902]" italics="true" pageId="11" pageNumber="861">et al.</emphasis>
|
||
: 481, fig. 4J.
|
||
</paragraph>
|
||
<paragraph id="4D2DBA5B805BE8206E42FF548EDF26C8" blockId="11.[845,1466,189,244]" pageId="11" pageNumber="861">
|
||
2015 cf.
|
||
<taxonomicName id="8A92C1D8805BE8206EA4FF54899326E8" authority="(Catullo)" baseAuthorityName="Catullo" baseAuthorityYear="1846" box="[939,1268,189,212]" class="Bivalvia" family="Trigonodidae" genus="Unionites" kingdom="Animalia" order="Trigoniida" pageId="11" pageNumber="861" phylum="Mollusca" rank="species" species="canalensis">
|
||
<emphasis id="7FE66649805BE8206EA4FF5489ED26E8" box="[939,1162,189,212]" italics="true" pageId="11" pageNumber="861">Unionites canalensis</emphasis>
|
||
(Catullo)
|
||
</taxonomicName>
|
||
; Foster
|
||
<emphasis id="7FE66649805BE8206847FF54881926E8" box="[1352,1406,189,212]" italics="true" pageId="11" pageNumber="861">et al.</emphasis>
|
||
: 381, fig. 4K.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="0588E9D0805BE8206E42FEFE8EF52752" pageId="11" pageNumber="861" type="materials_examined">
|
||
<paragraph id="4D2DBA5B805BE8206E42FEFE8EF52752" blockId="11.[845,1467,279,366]" pageId="11" pageNumber="861">
|
||
<emphasis id="7FE66649805BE8206E42FEFE8ED02712" bold="true" box="[845,951,279,302]" pageId="11" pageNumber="861">Material.</emphasis>
|
||
<materialsCitation id="FDFAB006805BE8206EC9FEFE8EE82752" collectionCode="NHMUK, PI" pageId="11" pageNumber="861" specimenCode="MB 1198" specimenCount="3">
|
||
<specimenCount id="5B9471D2805BE8206EC9FEFE89E62712" box="[966,1153,279,302]" count="3" pageId="11" pageNumber="861" type="generic">Three specimens</specimenCount>
|
||
from LD-05 (
|
||
<collectionCode id="2B83229E805BE8206820FEFE88F22712" box="[1327,1429,279,302]" country="United Kingdom" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34665" lsid="urn:lsid:biocol.org:col:34665" name="Natural History Museum, London" pageId="11" pageNumber="861" type="Museum">NHMUK</collectionCode>
|
||
<collectionCode id="2B83229E805BE82068ACFEFE88DC2712" box="[1443,1467,279,302]" country="Russia" name="Paleontological Institute" pageId="11" pageNumber="861">PI</collectionCode>
|
||
<specimenCode id="1D341220805BE8206E42FEDE8EDA2772" box="[845,957,311,334]" collectionCode="MB" country="Portugal" name="Universidade de Lisboa, Museu Bocage" pageId="11" pageNumber="861">MB 1198</specimenCode>
|
||
;
|
||
<collectionCode id="2B83229E805BE8206EDFFEDE89532772" box="[976,1076,311,334]" country="United Kingdom" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34665" lsid="urn:lsid:biocol.org:col:34665" name="Natural History Museum, London" pageId="11" pageNumber="861" type="Museum">NHMUK</collectionCode>
|
||
PE PEI 5493;
|
||
<collectionCode id="2B83229E805BE82069FDFEDE88312772" box="[1266,1366,311,334]" country="United Kingdom" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34665" lsid="urn:lsid:biocol.org:col:34665" name="Natural History Museum, London" pageId="11" pageNumber="861" type="Museum">NHMUK</collectionCode>
|
||
PE PEI 5500)
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="0588E9D0805BE8206E42FE798830249A" pageId="11" pageNumber="861" type="description">
|
||
<paragraph id="4D2DBA5B805BE8206E42FE798830249A" blockId="11.[845,1467,400,678]" pageId="11" pageNumber="861">
|
||
<emphasis id="7FE66649805BE8206E42FE798EBF279B" bold="true" box="[845,984,400,423]" pageId="11" pageNumber="861">Description.</emphasis>
|
||
Outline subovate to elongate, equivalve, inflated below the umbo; inequilateral with beak lying approximately 62% along the dorsal margin length from posterior; H/L ratio 0.4–0.7. Posterior margin elongated and almost straight, anterior margin narrowly rounded. Escutcheon and lunule indistinct. Umbo orthogyrate, prominent, moderately broad, rounded, projecting above the hinge margin. Ornamented externally with fine concentric growth lines; entire inner margin smooth.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="0588E9D0805BE8206E42FD208E96238B" pageId="11" pageNumber="861" type="discussion">
|
||
<paragraph id="4D2DBA5B805BE8206E42FD20893F2361" blockId="11.[845,1467,713,1373]" pageId="11" pageNumber="861">
|
||
<emphasis id="7FE66649805BE8206E42FD208EDC24DC" bold="true" box="[845,955,713,736]" pageId="11" pageNumber="861">Remarks.</emphasis>
|
||
The internal characters and hinge in these specimens were not observed and have not been reported for
|
||
<taxonomicName id="8A92C1D8805BE8206E7BFCE08933251C" baseAuthorityName="Catullo" baseAuthorityYear="1846" box="[884,1108,777,800]" class="Bivalvia" family="Trigonodidae" genus="Unionites" kingdom="Animalia" order="Trigoniida" pageId="11" pageNumber="861" phylum="Mollusca" rank="species" species="canalensis">
|
||
<emphasis id="7FE66649805BE8206E7BFCE08933251C" box="[884,1108,777,800]" italics="true" pageId="11" pageNumber="861">Unionites canalensis</emphasis>
|
||
</taxonomicName>
|
||
. Externally, the shell is virtually identical to those that are typically assigned to
|
||
<taxonomicName id="8A92C1D8805BE820685BFCC08EE52563" baseAuthorityName="Catullo" baseAuthorityYear="1846" class="Bivalvia" family="Trigonodidae" genus="Unionites" kingdom="Animalia" order="Trigoniida" pageId="11" pageNumber="861" phylum="Mollusca" rank="species" species="canalensis">
|
||
<emphasis id="7FE66649805BE820685BFCC08EE52563" italics="true" pageId="11" pageNumber="861">U. canalensis</emphasis>
|
||
</taxonomicName>
|
||
(e.g.
|
||
<bibRefCitation id="2903C7AA805BE8206ECBFCA189C02563" author="Hofmann, R & Hautmann, M. & Bucher, H." box="[964,1191,840,863]" pageId="11" pageNumber="861" pagination="474 - 496" refId="ref18557" refString="Hofmann, R, Hautmann, M. & Bucher, H. 2015. Recovery dynamics of benthic marine communities from the Lower Triassic Werfen Formation, northern Italy. Lethaia, 48, 474 - 496." type="journal article" year="2015">
|
||
Hofmann
|
||
<emphasis id="7FE66649805BE820693EFCA1890D2563" box="[1073,1130,840,863]" italics="true" pageId="11" pageNumber="861">et al.</emphasis>
|
||
2015
|
||
</bibRefCitation>
|
||
), with a medially placed umbo that is a diagnostic feature of
|
||
<taxonomicName id="8A92C1D8805BE8206811FC818E9425A3" authority="(Catullo, 1846)" baseAuthorityName="Catullo" baseAuthorityYear="1846" class="Bivalvia" family="Trigonodidae" genus="Unionites" kingdom="Animalia" order="Trigoniida" pageId="11" pageNumber="861" phylum="Mollusca" rank="species" species="canalensis">
|
||
<emphasis id="7FE66649805BE8206811FC8188DD2543" box="[1310,1466,872,895]" italics="true" pageId="11" pageNumber="861">U. canalensis</emphasis>
|
||
(
|
||
<bibRefCitation id="2903C7AA805BE8206E5BFC618E8D25A3" author="Catullo, T. A." box="[852,1002,904,927]" pageId="11" pageNumber="861" pagination="1 - 158" refId="ref16594" refString="Catullo, T. A. 1846. Memoria geognostico-paleozoica sulle Alpi Venete. Memorie della Societ'a Italiana delle scienze residente in Modena, 24, 1 - 158." type="journal article" year="1846">Catullo, 1846</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
and an orthogyrate beak. In contrast, all other species of
|
||
<taxonomicName id="8A92C1D8805BE8206EF0FC4189002583" authorityName="Wissmann" authorityYear="1841" box="[1023,1127,936,959]" class="Bivalvia" family="Trigonodidae" genus="Unionites" kingdom="Animalia" order="Trigoniida" pageId="11" pageNumber="861" phylum="Mollusca" rank="genus">
|
||
<emphasis id="7FE66649805BE8206EF0FC4189002583" box="[1023,1127,936,959]" italics="true" pageId="11" pageNumber="861">Unionites</emphasis>
|
||
</taxonomicName>
|
||
have a more anteriorly located umbo, and the beak in
|
||
<taxonomicName id="8A92C1D8805BE8206958FC2189D825E3" authorityName="Wissmann" authorityYear="1841" box="[1111,1215,968,991]" class="Bivalvia" family="Trigonodidae" genus="Unionites" kingdom="Animalia" order="Trigoniida" pageId="11" pageNumber="861" phylum="Mollusca" rank="genus">
|
||
<emphasis id="7FE66649805BE8206958FC2189D825E3" box="[1111,1215,968,991]" italics="true" pageId="11" pageNumber="861">Unionites</emphasis>
|
||
</taxonomicName>
|
||
is prosogyrate (
|
||
<bibRefCitation id="2903C7AA805BE8206877FC218EA625C3" author="Geyer, G. & Hautmann, M. & Hagdorn, H. & Ockert, W. & Streng, M." pageId="11" pageNumber="861" pagination="429 - 460" refId="ref17583" refString="Geyer, G., Hautmann, M., Hagdorn, H., Ockert, W. & Streng, M. 2005. Well-preserved mollusks from the Lower Keuper (Ladinian) of Hohenlohe (Southwest Germany). Pala ¨ ontogische Zeitschrift, 79, 429 - 460." type="journal article" year="2005">
|
||
Geyer
|
||
<emphasis id="7FE66649805BE8206E42FC018EE325C3" box="[845,900,1000,1023]" italics="true" pageId="11" pageNumber="861">et al.</emphasis>
|
||
2005
|
||
</bibRefCitation>
|
||
). Thus, these Early Triassic specimens clearly do not belong to the genus
|
||
<taxonomicName id="8A92C1D8805BE820698BFBE1898B2223" authorityName="Wissmann" authorityYear="1841" box="[1156,1260,1032,1055]" class="Bivalvia" family="Trigonodidae" genus="Unionites" kingdom="Animalia" order="Trigoniida" pageId="11" pageNumber="861" phylum="Mollusca" rank="genus">
|
||
<emphasis id="7FE66649805BE820698BFBE1898B2223" box="[1156,1260,1032,1055]" italics="true" pageId="11" pageNumber="861">Unionites</emphasis>
|
||
</taxonomicName>
|
||
. The external features of these specimens are most similar to species of
|
||
<taxonomicName id="8A92C1D8805BE8206E42FBAE8E872262" authorityName="Schileyko" authorityYear="1989" box="[845,992,1095,1118]" class="Bivalvia" family="Neilonellidae" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="861" phylum="Mollusca" rank="family">Neilonellidae</taxonomicName>
|
||
, such as
|
||
<taxonomicName id="8A92C1D8805BE820695BFBAE8EEA2242" authority="(Dell, 1956)" baseAuthorityName="Dell" baseAuthorityYear="1956" class="Bivalvia" family="Neilonellidae" genus="Austrotindaria" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="861" phylum="Mollusca" rank="species" species="benthicola">
|
||
<emphasis id="7FE66649805BE820695BFBAE88082262" box="[1108,1391,1095,1118]" italics="true" pageId="11" pageNumber="861">Austrotindaria benthicola</emphasis>
|
||
(
|
||
<bibRefCitation id="2903C7AA805BE820688AFBAE8EE52242" author="Dell, R. K." pageId="11" pageNumber="861" pagination="1 - 235" refId="ref16923" refString="Dell, R. K. 1956. The archibenthal Mollusca of New Zealand. Dominion Museum Bulletin, 18, 1 - 235." type="journal article" year="1956">Dell, 1956</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
.
|
||
<taxonomicName id="8A92C1D8805BE8206E95FB8E89502242" authorityName="Fleming" authorityYear="1948" box="[922,1079,1127,1150]" class="Bivalvia" family="Neilonellidae" genus="Austrotindaria" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="861" phylum="Mollusca" rank="genus">
|
||
<emphasis id="7FE66649805BE8206E95FB8E89502242" box="[922,1079,1127,1150]" italics="true" pageId="11" pageNumber="861">Austrotindaria</emphasis>
|
||
</taxonomicName>
|
||
is the only genus of the
|
||
<taxonomicName id="8A92C1D8805BE8206849FB8E8E1522A2" authorityName="Schileyko" authorityYear="1989" class="Bivalvia" family="Neilonellidae" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="861" phylum="Mollusca" rank="family">Neilonellidae</taxonomicName>
|
||
that is reported from the Early Triassic, and these specimens are, therefore, tentatively assigned to it. Without observation of the internal characters, an unequivocal generic assignment cannot be made. The posterior margin is more elongate than in
|
||
<taxonomicName id="8A92C1D8805BE8206953FAEE88F32322" authority="Foster & Danise & Twitchett, 2017" authorityName="Foster & Danise & Twitchett" authorityYear="2017" box="[1116,1428,1287,1310]" class="Bivalvia" family="Neilonellidae" genus="Austrotindaria" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="861" phylum="Mollusca" rank="species" species="svalbardensis" status="sp. nov.">
|
||
<emphasis id="7FE66649805BE8206953FAEE88F32322" box="[1116,1428,1287,1310]" italics="true" pageId="11" pageNumber="861">Austrotindaria svalbardensis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="64D5DB32805BE8206893FAEE8E192302" pageId="11" pageNumber="861" rank="species">sp. nov.</taxonomicNameLabel>
|
||
, and these specimens are therefore considered to represent a separate species.
|
||
</paragraph>
|
||
<paragraph id="4D2DBA5B805BE8206E42FA698E96238B" blockId="11.[845,1466,1408,1463]" pageId="11" pageNumber="861">
|
||
<emphasis id="7FE66649805BE8206E42FA698EBA23AB" bold="true" box="[845,989,1408,1431]" pageId="11" pageNumber="861">Mode of life.</emphasis>
|
||
Shallow infaunal, fully motile, slow, miner (Stanley 1968).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |