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<document id="CF28A0DD32A364EF32B7C395B6913173" 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="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1711483395715" checkinUser="felipe" docAuthor="Foster, William J., Danise, Silvia &amp; Twitchett, Richard J." docDate="2017" docId="C53B0B4D805AE8206C03FB998CB42315" 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:602474738E3D100F0F13788B53F61545.2:JSystPalaeontol.2016-.journal_article.open" docStyleId="602474738E3D100F0F13788B53F61545" docStyleName="JSystPalaeontol.2016-.journal_article.open" docStyleVersion="2" docTitle="Austrotindaria svalbardensis Foster &amp; Danise &amp; Twitchett 2017, sp. nov." docType="treatment" docVersion="2" lastPageNumber="861" masterDocId="390273358050E82B6D0FFFE98D67263C" masterDocTitle="A silicified Early Triassic marine assemblage from Svalbard" masterLastPageNumber="877" masterPageNumber="851" pageNumber="860" updateTime="1711483788606" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0">
<mods:mods id="5C216C33CB1FB31B5A1544F65662F769" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="32783D258B0A33C8CD8F327FC97C58DC">
<mods:title id="37C6502D7D1CD9A23394F8F53E0FACD9">A silicified Early Triassic marine assemblage from Svalbard</mods:title>
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<mods:name id="F439D9E4C33CBA4117BE60016024F3FB" type="personal">
<mods:role id="7711EEC70467AF7A0E8A40B5B98E9E76">
<mods:roleTerm id="43FDA709156F5881D993F475CE585620">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="62CBC009C06EC0868AFC0C85138F91AE">Foster, William J.</mods:namePart>
<mods:affiliation id="A70AE42D84CE499726B7FD94F88663A6">Jackson School of Geosciences, University of Texas, Austin, TX 78712, USA; &amp; Earth Sciences, Plymouth University, Plymouth, PL 4 8 AA, UK; &amp; Department of Earth Sciences, Natural History Museum, London, SW 7 5 BD, UK;</mods:affiliation>
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<mods:roleTerm id="65FCB16F218C326B25AA09016C8DA0BE">Author</mods:roleTerm>
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<mods:namePart id="3FDF7806B5B168AAB496532AE9A6D919">Danise, Silvia</mods:namePart>
<mods:affiliation id="D81429D65DA400BB5AF28706AA944914">Earth Sciences, Plymouth University, Plymouth, PL 4 8 AA, UK; &amp; Department of Geology, University of Georgia, Athens, GA 30602, USA</mods:affiliation>
</mods:name>
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<mods:roleTerm id="1552E320B9DF2F8A4E33C8F301BE134E">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="3894E7FA86A3EB2AEC1B94EDD9044DC0">Twitchett, Richard J.</mods:namePart>
<mods:affiliation id="6489A657A8E48D139C445DD4C362C69B">Department of Earth Sciences, Natural History Museum, London, SW 7 5 BD, UK;</mods:affiliation>
</mods:name>
<mods:typeOfResource id="5017CE770BB861D7A2F45DC9AA6077B4">text</mods:typeOfResource>
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<mods:title id="E9716AB1462062BB8467D1E08345C72C">Journal of Systematic Palaeontology</mods:title>
</mods:titleInfo>
<mods:part id="E3CBA6F7D041F96C15B41EC3E91B128E">
<mods:date id="58D0821D96ABDA545EF8A56CC07D48FC">2017</mods:date>
<mods:detail id="DE7D99813927CF6B860E99C03DDFE031" type="pubDate">
<mods:number id="A9875E4A746C3FDDA1D138D12C01B1D1">2016-11-10</mods:number>
</mods:detail>
<mods:detail id="F3A4DF52948EF8D2F8A653D8F667FD80" type="volume">
<mods:number id="583CBBBE08B37A0AF9F02E09D18156A5">15</mods:number>
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<mods:number id="D3B1C09688CA499D0B7B657DBDEAC99D">10</mods:number>
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<mods:classification id="6D4D3DB54D98FA92FBCD432415557B51">journal article</mods:classification>
<mods:identifier id="B868E240FD92EC1EEF4F5262FE2A28EA" type="DOI">10.1080/14772019.2016.1245680</mods:identifier>
<mods:identifier id="9C1DFE6EE9E33414EC002FED19E9E695" type="ISSN">1478-0941</mods:identifier>
<mods:identifier id="58CEF51D165F298CBEDA957A285F94CE" type="Zenodo-Dep">10883052</mods:identifier>
<mods:identifier id="92D9913BD69A4404A0CB2166409B9729" type="ZooBank">3EBCAEF3-27C2-4216-9F18-89F195FA534F</mods:identifier>
</mods:mods>
<treatment id="C53B0B4D805AE8206C03FB998CB42315" LSID="urn:lsid:plazi:treatment:C53B0B4D805AE8206C03FB998CB42315" httpUri="http://treatment.plazi.org/id/C53B0B4D805AE8206C03FB998CB42315" lastPageId="11" lastPageNumber="861" pageId="10" pageNumber="860">
<subSubSection id="0588E9D0805AE8216C03FB998FC622BB" box="[268,673,1136,1160]" pageId="10" pageNumber="860" type="nomenclature">
<paragraph id="4D2DBA5B805AE8216C03FB998FC622BB" blockId="10.[268,673,1136,1191]" box="[268,673,1136,1160]" pageId="10" pageNumber="860">
<heading id="16650D37805AE8216C03FB998FC622BB" box="[268,673,1136,1160]" centered="true" fontSize="10" level="2" pageId="10" pageNumber="860" reason="8">
<taxonomicName id="8A92C1D8805AE8216C03FB998F2022B4" authority="Foster &amp; Danise &amp; Twitchett, 2017" authorityName="Foster &amp; Danise &amp; Twitchett" authorityYear="2017" box="[268,583,1136,1160]" class="Bivalvia" family="Neilonellidae" genus="Austrotindaria" kingdom="Animalia" order="Nuculanida" pageId="10" pageNumber="860" phylum="Mollusca" rank="species" species="svalbardensis" status="sp. nov.">
<emphasis id="7FE66649805AE8216C03FB998F2022B4" bold="true" box="[268,583,1136,1160]" italics="true" pageId="10" pageNumber="860">Austrotindaria svalbardensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="64D5DB32805AE8216F42FB998FC622BB" box="[589,673,1136,1159]" pageId="10" pageNumber="860" rank="species">sp. nov.</taxonomicNameLabel>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="0588E9D0805AE8216CA1FB798C7F239A" pageId="10" pageNumber="860" type="description">
<paragraph id="4D2DBA5B805AE8216CA1FB798C99229B" blockId="10.[268,673,1136,1191]" box="[430,510,1168,1191]" pageId="10" pageNumber="860">
(
<figureCitation id="D5A9A6DE805AE8216CB8FB798C92229B" box="[439,501,1168,1191]" captionStart="Figure 6" captionStartId="10.[159,227,779,800]" captionTargetBox="[175,1452,183,747]" captionTargetId="figure-400@10.[175,1452,183,747]" captionTargetPageId="10" captionText="Figure 6. Austrotindaria svalbardensis sp. nov. A, paratype, NHMUK PI MB 1231, external view, left valve; B, holotype, NHMUK PI MB 1223, external view, right valve; C, NHMUK PI MB 1190, left valve, external view; D, larval shell, NHMUK PI MB 1234, external view, right valve; E, NHMUK PI MB 1225, internal view, left valve; F, NHMUK PI MB 1227, internal view, left valve; G, larval shell, NHMUK PI MB 1237, internal view, right valve; H, paratype, posterior and anterior hinge plate junction, NHMUK PI MB 1231. Scale bars = 500 µm." figureDoi="http://doi.org/10.5281/zenodo.10883066" httpUri="https://zenodo.org/record/10883066/files/figure.png" pageId="10" pageNumber="860">Fig. 6</figureCitation>
)
</paragraph>
<paragraph id="4D2DBA5B805AE8216D90FB398C54233B" blockId="10.[159,781,1232,1446]" pageId="10" pageNumber="860">
1864
<taxonomicName id="8A92C1D8805AE8216DD0FB398F1522DB" authority="(Wissmann)" baseAuthorityName="Wissmann" baseAuthorityYear="1841" box="[223,626,1232,1255]" class="Bivalvia" family="Unionidae" genus="Anoplophora" kingdom="Animalia" order="Unionida" pageId="10" pageNumber="860" phylum="Mollusca" rank="species" species="fassaensis">
<emphasis id="7FE66649805AE8216DD0FB398C8522DB" box="[223,482,1232,1255]" italics="true" pageId="10" pageNumber="860">Anoplophora fassaensis</emphasis>
(Wissmann)
</taxonomicName>
; Alberti: 137, pl. 3, fig. 8.
</paragraph>
<paragraph id="4D2DBA5B805AE8216D90FAF98FCC231B" blockId="10.[159,781,1232,1446]" box="[159,683,1296,1319]" pageId="10" pageNumber="860">
1930
<taxonomicName id="8A92C1D8805AE8216DD4FAF98C2A231B" box="[219,333,1296,1319]" class="Bivalvia" family="Nuculidae" genus="Nucula" kingdom="Animalia" order="Nuculida" pageId="10" pageNumber="860" phylum="Mollusca" rank="species" species="undetermined">
<emphasis id="7FE66649805AE8216DD4FAF98C4F231B" box="[219,296,1296,1319]" italics="true" pageId="10" pageNumber="860">Nucula</emphasis>
sp.
</taxonomicName>
juv. ind; Spath: 53, pl. 7, fig. 12.
</paragraph>
<paragraph id="4D2DBA5B805AE8216D90FAD98C1B235B" blockId="10.[159,781,1232,1446]" pageId="10" pageNumber="860">
2013a
<taxonomicName id="8A92C1D8805AE8216DE6FAD98F33237B" authority="(Wissmann)" baseAuthorityName="Wissmann" baseAuthorityYear="1841" box="[233,596,1328,1351]" class="Bivalvia" family="Trigonodidae" genus="Unionites" kingdom="Animalia" order="Trigoniida" pageId="10" pageNumber="860" phylum="Mollusca" rank="species" species="fassaensis">
<emphasis id="7FE66649805AE8216DE6FAD98CA1237B" box="[233,454,1328,1351]" italics="true" pageId="10" pageNumber="860">Unionites fassaensis</emphasis>
(Wissmann)
</taxonomicName>
; Hofmann
<emphasis id="7FE66649805AE8216FC1FAD98F98237B" box="[718,767,1328,1351]" italics="true" pageId="10" pageNumber="860">et al</emphasis>
.: 887, fig. 8, 17–18.
</paragraph>
<paragraph id="4D2DBA5B805AE8216D90FA868C7F239A" blockId="10.[159,781,1232,1446]" pageId="10" pageNumber="860">
2015
<taxonomicName id="8A92C1D8805AE8216DEBFA868C9423BA" baseAuthorityName="Wissmann" baseAuthorityYear="1841" box="[228,499,1391,1414]" class="Bivalvia" family="Trigonodidae" genus="Unionites" isUncertain="true" kingdom="Animalia" order="Trigoniida" pageId="10" pageNumber="860" phylum="Mollusca" rank="species" species="fassaensis">
<emphasis id="7FE66649805AE8216DEBFA868C2B23BA" box="[228,332,1391,1414]" italics="true" pageId="10" pageNumber="860">Unionites</emphasis>
cf.
<emphasis id="7FE66649805AE8216C88FA868C9423BA" box="[391,499,1391,1414]" italics="true" pageId="10" pageNumber="860">fassaensis</emphasis>
</taxonomicName>
; Hautmann
<emphasis id="7FE66649805AE8216F86FA868FAF23BA" box="[649,712,1391,1414]" italics="true" pageId="10" pageNumber="860">et al.</emphasis>
: 890, fig. 10H.
</paragraph>
</subSubSection>
<subSubSection id="0588E9D0805AE8216D90FA2B8C4E20A4" pageId="10" pageNumber="860" type="diagnosis">
<paragraph id="4D2DBA5B805AE8216D90FA2B8C4E20A4" blockId="10.[159,781,1474,1688]" pageId="10" pageNumber="860">
<emphasis id="7FE66649805AE8216D90FA2B8C7323E5" bold="true" box="[159,276,1474,1497]" pageId="10" pageNumber="860">Diagnosis.</emphasis>
Shell small, smooth except for concentric growth lines, subtrigonal, inequilateral, orthogyrate; taxodont hinge dentition with more posterior than anterior teeth, obtusely chevron-shaped teeth, hinge plate interrupted below the beak by an edentulous gap, a small rounded triangular pit below the edentulous gap; ligament opisthodetic.
</paragraph>
</subSubSection>
<subSubSection id="0588E9D0805AE8216D90F95A8EB623FC" pageId="10" pageNumber="860" type="materials_examined">
<paragraph id="4D2DBA5B805AE8216D90F95A8FD120D6" blockId="10.[159,781,1715,1770]" pageId="10" pageNumber="860">
<materialsCitation id="FDFAB006805AE8216D90F95A8FD120D6" collectionCode="NHMUK, PI" pageId="10" pageNumber="860" specimenCode="MB 1223" specimenCount="1" typeStatus="holotype">
<emphasis id="7FE66649805AE8216D90F95A8C6920F6" bold="true" box="[159,270,1715,1738]" pageId="10" pageNumber="860">
<typeStatus id="922904F9805AE8216D90F95A8C6E20F6" box="[159,265,1715,1738]" pageId="10" pageNumber="860" type="holotype">Holotype</typeStatus>
.
</emphasis>
Disarticulated right valve,
<collectionCode id="2B83229E805AE8216F42F95A8FD620F6" box="[589,689,1715,1738]" 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="10" pageNumber="860" type="Museum">NHMUK</collectionCode>
<collectionCode id="2B83229E805AE8216FB0F95A8FB020F6" box="[703,727,1715,1738]" country="Russia" name="Paleontological Institute" pageId="10" pageNumber="860">PI</collectionCode>
<specimenCode id="1D341220805AE8216FEBF95A8DB020D6" collectionCode="MB" country="Portugal" name="Universidade de Lisboa, Museu Bocage" pageId="10" pageNumber="860">MB 1223</specimenCode>
, LD-04; length = 1.8 mm, height = 1.3 mm.
</materialsCitation>
</paragraph>
<paragraph id="4D2DBA5B805AE8216D90F8EC8FD12100" blockId="10.[159,781,1797,1852]" pageId="10" pageNumber="860">
<materialsCitation id="FDFAB006805AE8216D90F8EC8FD52100" collectionCode="NHMUK, PI" pageId="10" pageNumber="860" specimenCode="MB 1231" specimenCount="1" typeStatus="paratype">
<emphasis id="7FE66649805AE8216D90F8EC8C692120" bold="true" box="[159,270,1797,1820]" pageId="10" pageNumber="860">
<typeStatus id="922904F9805AE8216D90F8EC8C6E2120" box="[159,265,1797,1820]" pageId="10" pageNumber="860" type="paratype">Paratype</typeStatus>
.
</emphasis>
Disarticulated left valve,
<collectionCode id="2B83229E805AE8216F47F8EC8FCB2120" box="[584,684,1797,1820]" 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="10" pageNumber="860" type="Museum">NHMUK</collectionCode>
<collectionCode id="2B83229E805AE8216FB3F8EC8FB32120" box="[700,724,1797,1820]" country="Russia" name="Paleontological Institute" pageId="10" pageNumber="860">PI</collectionCode>
<specimenCode id="1D341220805AE8216FEBF8EC8DB02100" collectionCode="MB" country="Portugal" name="Universidade de Lisboa, Museu Bocage" pageId="10" pageNumber="860">MB 1231</specimenCode>
, LD-04; length = 1.5 mm, height = 1.0 mm
</materialsCitation>
.
</paragraph>
<paragraph id="4D2DBA5B805AE8216D90F8BE8E6A21B2" blockId="10.[159,781,1879,1934]" pageId="10" pageNumber="860">
<emphasis id="7FE66649805AE8216D90F8BE8C3A2152" bold="true" box="[159,349,1879,1902]" pageId="10" pageNumber="860">Other material.</emphasis>
<materialsCitation id="FDFAB006805AE8216C63F8BE8E6A21B2" collectionCode="NHMUK, PI" pageId="10" pageNumber="860" specimenCode="MB 1190, MB 1192-1193" specimenCount="21">
<specimenCount id="5B9471D2805AE8216C63F8BE8F092152" box="[364,622,1879,1902]" count="21" pageId="10" pageNumber="860" type="generic">Twenty-one specimens</specimenCount>
from LD-04 (
<collectionCode id="2B83229E805AE8216DA9F89E8C6B21B2" box="[166,268,1911,1934]" 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="10" pageNumber="860" type="Museum">NHMUK</collectionCode>
<collectionCode id="2B83229E805AE8216C15F89E8C5521B2" box="[282,306,1911,1934]" country="Russia" name="Paleontological Institute" pageId="10" pageNumber="860">PI</collectionCode>
<specimenCode id="1D341220805AE8216C30F89E8CC921B2" box="[319,430,1911,1934]" collectionCode="MB" country="Portugal" name="Universidade de Lisboa, Museu Bocage" pageId="10" pageNumber="860">MB 1190</specimenCode>
;
<collectionCode id="2B83229E805AE8216CCFF89E8F4321B2" box="[448,548,1911,1934]" 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="10" pageNumber="860" type="Museum">NHMUK</collectionCode>
<collectionCode id="2B83229E805AE8216F3DF89E8F2D21B2" box="[562,586,1911,1934]" country="Russia" name="Paleontological Institute" pageId="10" pageNumber="860">PI</collectionCode>
<specimenCode id="1D341220805AE8216F58F89E8E6E21B2" box="[599,777,1911,1934]" collectionCode="MB" country="Portugal" name="Universidade de Lisboa, Museu Bocage" pageId="10" pageNumber="860">MB 1192–1193</specimenCode>
;
</materialsCitation>
</paragraph>
<paragraph id="4D2DBA5B805AE8216E42FC528934234C" blockId="10.[845,1467,955,1392]" pageId="10" pageNumber="860">
<materialsCitation id="FDFAB006805AE8216E42FC5289F025EE" box="[845,1175,955,978]" collectionCode="NHMUK, PI" pageId="10" pageNumber="860" specimenCode="MB 1224-1230" specimenCount="1">
<collectionCode id="2B83229E805AE8216E42FC528ED625EE" box="[845,945,955,978]" 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="10" pageNumber="860" type="Museum">NHMUK</collectionCode>
<collectionCode id="2B83229E805AE8216EB0FC528EB025EE" box="[959,983,955,978]" country="Russia" name="Paleontological Institute" pageId="10" pageNumber="860">PI</collectionCode>
<specimenCode id="1D341220805AE8216EEBFC5289F025EE" box="[996,1175,955,978]" collectionCode="MB" country="Portugal" name="Universidade de Lisboa, Museu Bocage" pageId="10" pageNumber="860">MB 1224–1230</specimenCode>
</materialsCitation>
;
<materialsCitation id="FDFAB006805AE82169A6FC528EE225CD" collectionCode="NHMUK, PI" pageId="10" pageNumber="860" specimenCode="MB 1232- 1233" specimenCount="1">
<collectionCode id="2B83229E805AE82169A6FC52886A25EE" box="[1193,1293,955,978]" 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="10" pageNumber="860" type="Museum">NHMUK</collectionCode>
<collectionCode id="2B83229E805AE8216814FC52885425EE" box="[1307,1331,955,978]" country="Russia" name="Paleontological Institute" pageId="10" pageNumber="860">PI</collectionCode>
<specimenCode id="1D341220805AE821684EFC528EE225CD" collectionCode="MB" country="Portugal" name="Universidade de Lisboa, Museu Bocage" pageId="10" pageNumber="860">MB 1232– 1233</specimenCode>
</materialsCitation>
;
<materialsCitation id="FDFAB006805AE8216E98FC33898525CD" box="[919,1250,986,1009]" collectionCode="NHMUK, PI" pageId="10" pageNumber="860" specimenCode="MB 1235-1236" specimenCount="1">
<collectionCode id="2B83229E805AE8216E98FC338E9C25CD" box="[919,1019,986,1009]" 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="10" pageNumber="860" type="Museum">NHMUK</collectionCode>
<collectionCode id="2B83229E805AE8216906FC33894625CD" box="[1033,1057,986,1009]" country="Russia" name="Paleontological Institute" pageId="10" pageNumber="860">PI</collectionCode>
<specimenCode id="1D341220805AE8216920FC33898525CD" box="[1071,1250,986,1009]" collectionCode="MB" country="Portugal" name="Universidade de Lisboa, Museu Bocage" pageId="10" pageNumber="860">MB 1235–1236</specimenCode>
</materialsCitation>
;
<collectionCode id="2B83229E805AE82169FCFC33883025CD" box="[1267,1367,986,1009]" 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="10" pageNumber="860" type="Museum">NHMUK</collectionCode>
PE PEI 5478;
<collectionCode id="2B83229E805AE8216E99FC138E9D222D" box="[918,1018,1018,1041]" 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="10" pageNumber="860" type="Museum">NHMUK</collectionCode>
PE PEI 5482;
<collectionCode id="2B83229E805AE82169A1FC138875222D" box="[1198,1298,1018,1041]" 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="10" pageNumber="860" type="Museum">NHMUK</collectionCode>
PE PEI 5489;
<collectionCode id="2B83229E805AE8216E42FBF38ED6220D" box="[845,945,1050,1073]" 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="10" pageNumber="860" type="Museum">NHMUK</collectionCode>
PE PEI 5505;
<collectionCode id="2B83229E805AE8216966FBF389AA220D" box="[1129,1229,1050,1073]" 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="10" pageNumber="860" type="Museum">NHMUK</collectionCode>
PE PEI 5509–5510;
<collectionCode id="2B83229E805AE8216E42FBD38ED6226D" box="[845,945,1082,1105]" 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="10" pageNumber="860" type="Museum">NHMUK</collectionCode>
PE PEI 5512;
<collectionCode id="2B83229E805AE8216952FBD389A6226D" box="[1117,1217,1082,1105]" 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="10" pageNumber="860" type="Museum">NHMUK</collectionCode>
<materialsCitation id="FDFAB006805AE82169C3FBD38928234C" collectionCode="NHMUK, PI" pageId="10" pageNumber="860" specimenCode="MB 1189, MB 1197, MB 1200, MB 1234, MB 1237, MB 1238, MB 1239" specimenCount="12">
PE PEI 5520) and
<specimenCount id="5B9471D2805AE82168AFFBD38EDB224D" count="12" pageId="10" pageNumber="860" type="generic">12 specimens</specimenCount>
from LD-05 (
<collectionCode id="2B83229E805AE821695AFBB389DC224D" box="[1109,1211,1114,1137]" 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="10" pageNumber="860" type="Museum">NHMUK</collectionCode>
<collectionCode id="2B83229E805AE82169CDFBB389BD224D" box="[1218,1242,1114,1137]" country="Russia" name="Paleontological Institute" pageId="10" pageNumber="860">PI</collectionCode>
<specimenCode id="1D341220805AE82169EEFBB3882D224D" box="[1249,1354,1114,1137]" collectionCode="MB" country="Portugal" name="Universidade de Lisboa, Museu Bocage" pageId="10" pageNumber="860">MB 1189</specimenCode>
;
<collectionCode id="2B83229E805AE8216859FBB388DD224D" box="[1366,1466,1114,1137]" 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="10" pageNumber="860" type="Museum">NHMUK</collectionCode>
<collectionCode id="2B83229E805AE8216E42FB938E0222AD" box="[845,869,1146,1169]" country="Russia" name="Paleontological Institute" pageId="10" pageNumber="860">PI</collectionCode>
<specimenCode id="1D341220805AE8216E60FB938EBB22AD" box="[879,988,1146,1169]" collectionCode="MB" country="Portugal" name="Universidade de Lisboa, Museu Bocage" pageId="10" pageNumber="860">MB 1197</specimenCode>
;
<collectionCode id="2B83229E805AE8216EE3FB93893722AD" box="[1004,1104,1146,1169]" 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="10" pageNumber="860" type="Museum">NHMUK</collectionCode>
<collectionCode id="2B83229E805AE8216954FB93891422AD" box="[1115,1139,1146,1169]" country="Russia" name="Paleontological Institute" pageId="10" pageNumber="860">PI</collectionCode>
<specimenCode id="1D341220805AE8216972FB93898D22AD" box="[1149,1258,1146,1169]" collectionCode="MB" country="Portugal" name="Universidade de Lisboa, Museu Bocage" pageId="10" pageNumber="860">MB 1200</specimenCode>
;
<collectionCode id="2B83229E805AE82169F6FB93883A22AD" box="[1273,1373,1146,1169]" 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="10" pageNumber="860" type="Museum">NHMUK</collectionCode>
PE PEI 5476;
<collectionCode id="2B83229E805AE8216E98FB738E9C228D" box="[919,1019,1178,1201]" 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="10" pageNumber="860" type="Museum">NHMUK</collectionCode>
PE PEI 5491–5492;
<collectionCode id="2B83229E805AE82169FAFB73883E228D" box="[1269,1369,1178,1201]" 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="10" pageNumber="860" type="Museum">NHMUK</collectionCode>
PE PEI 5496;
<collectionCode id="2B83229E805AE8216E9AFB538E9E22ED" box="[917,1017,1210,1233]" 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="10" pageNumber="860" type="Museum">NHMUK</collectionCode>
PE PEI 5498;
<collectionCode id="2B83229E805AE82169A5FB53886922ED" box="[1194,1294,1210,1233]" 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="10" pageNumber="860" type="Museum">NHMUK</collectionCode>
PE PEI 5503– 5504;
<collectionCode id="2B83229E805AE8216E97FB308E9B22CC" box="[920,1020,1241,1264]" 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="10" pageNumber="860" type="Museum">NHMUK</collectionCode>
PE PEI 5517). Twenty-four prodissoconch valves from LD-04 (
<collectionCode id="2B83229E805AE8216991FB108863232C" box="[1182,1284,1273,1296]" 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="10" pageNumber="860" type="Museum">NHMUK</collectionCode>
<collectionCode id="2B83229E805AE8216818FB108848232C" box="[1303,1327,1273,1296]" country="Russia" name="Paleontological Institute" pageId="10" pageNumber="860">PI</collectionCode>
<specimenCode id="1D341220805AE821684DFB1088D0232C" box="[1346,1463,1273,1296]" collectionCode="MB" country="Portugal" name="Universidade de Lisboa, Museu Bocage" pageId="10" pageNumber="860">MB 1234</specimenCode>
;
<collectionCode id="2B83229E805AE8216E42FAF08ED6230C" box="[845,945,1305,1328]" 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="10" pageNumber="860" type="Museum">NHMUK</collectionCode>
<collectionCode id="2B83229E805AE8216EB5FAF08EB5230C" box="[954,978,1305,1328]" country="Russia" name="Paleontological Institute" pageId="10" pageNumber="860">PI</collectionCode>
<specimenCode id="1D341220805AE8216ED5FAF08923230C" box="[986,1092,1305,1328]" collectionCode="MB" country="Portugal" name="Universidade de Lisboa, Museu Bocage" pageId="10" pageNumber="860">MB 1237</specimenCode>
;
<collectionCode id="2B83229E805AE821695DFAF089D1230C" box="[1106,1206,1305,1328]" 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="10" pageNumber="860" type="Museum">NHMUK</collectionCode>
<collectionCode id="2B83229E805AE82169B1FAF089B1230C" box="[1214,1238,1305,1328]" country="Russia" name="Paleontological Institute" pageId="10" pageNumber="860">PI</collectionCode>
<specimenCode id="1D341220805AE82169D0FAF0882D230C" box="[1247,1354,1305,1328]" collectionCode="MB" country="Portugal" name="Universidade de Lisboa, Museu Bocage" pageId="10" pageNumber="860">MB 1238</specimenCode>
;
<collectionCode id="2B83229E805AE8216859FAF088DD230C" box="[1366,1466,1305,1328]" 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="10" pageNumber="860" type="Museum">NHMUK</collectionCode>
PE PEI 5520) and five prodissoconch valves from LD-05 (
<collectionCode id="2B83229E805AE8216E5BFAB08EDD234C" box="[852,954,1369,1392]" 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="10" pageNumber="860" type="Museum">NHMUK</collectionCode>
<collectionCode id="2B83229E805AE8216ECFFAB08EBF234C" box="[960,984,1369,1392]" country="Russia" name="Paleontological Institute" pageId="10" pageNumber="860">PI</collectionCode>
<specimenCode id="1D341220805AE8216ED1FAB08920234C" box="[990,1095,1369,1392]" collectionCode="MB" country="Portugal" name="Universidade de Lisboa, Museu Bocage" pageId="10" pageNumber="860">MB 1239</specimenCode>
)
</materialsCitation>
.
</paragraph>
<paragraph id="4D2DBA5B805AE8216E42FA608EB623FC" blockId="10.[845,1467,1417,1472]" pageId="10" pageNumber="860">
<emphasis id="7FE66649805AE8216E42FA60893D239C" bold="true" box="[845,1114,1417,1440]" pageId="10" pageNumber="860">Derivation of name.</emphasis>
Named after the
<collectingCountry id="3585FACB805AE8216853FA6088DC239C" box="[1372,1467,1417,1440]" name="Svalbard and Jan Mayen" pageId="10" pageNumber="860">Svalbard</collectingCountry>
archipelago.
</paragraph>
</subSubSection>
<subSubSection id="0588E9D0805AE8206E42FA318F7727CF" lastPageId="11" lastPageNumber="861" pageId="10" pageNumber="860" type="description">
<paragraph id="4D2DBA5B805AE8206E42FA318F7727CF" blockId="10.[845,1467,1496,1934]" lastBlockId="11.[159,781,189,499]" lastPageId="11" lastPageNumber="861" pageId="10" pageNumber="860">
<emphasis id="7FE66649805AE8216E42FA318EBF23D3" bold="true" box="[845,984,1496,1519]" pageId="10" pageNumber="860">Description.</emphasis>
Shell outline subtrigonal, equivalve, inequilateral with beak positioned approximately 60% of the distance along the dorsal margin from the posterior; Height/Length (H/L) ratio 0.6–1; conspicuously tumid. Orthogyrate umbo, prominent, moderately broad, rounded and projected above the hinge margin. Anterodorsal margin slightly rounded and gently sloping. The posterodorsal margin is almost straight to slightly rounded and gently sloping. Ventral margin is smooth and deeply rounded. Escutcheon is short, relatively broad, elliptical; lunule narrow. No sculpture except for fine concentric growth lines; entire inner margin is smooth. Prodissoconch is smooth, broadly subovate, with H/L ratio of 0.6–0.9. Ligament small, external with well-defined margin, opisthodetic, with a well-rounded triangular pit seated beneath the edentulous gap. Hinge plate with taxodont teeth in two series; separated by narrow, plain area, without resilifer, narrow below the beak, broadening towards the anterior and posterior ends. Teeth are robust, moderately long and blunt, with more posterior than anterior teeth, separated by an edentulous gap. As the size of the shell increases the edentulous gap becomes proportionally smaller, more central and moves externally. No pallial line, sinus or muscle scars present.
</paragraph>
</subSubSection>
<subSubSection id="0588E9D0805BE8206D90FDC08CB42315" pageId="11" pageNumber="861" type="discussion">
<paragraph id="4D2DBA5B805BE8206D90FDC08DA92582" blockId="11.[159,781,553,1213]" pageId="11" pageNumber="861">
<emphasis id="7FE66649805BE8206D90FDC08C69247C" bold="true" box="[159,270,553,576]" pageId="11" pageNumber="861">Remarks.</emphasis>
These specimens differ from
<taxonomicName id="8A92C1D8805BE8206F7FFDC08D962463" authority="Foster &amp; Danise &amp; Twitchett, 2017" authorityName="Foster &amp; Danise &amp; Twitchett" authorityYear="2017" class="Bivalvia" family="Neilonellidae" genus="Austrotindaria" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="861" phylum="Mollusca" rank="species" species="antiqua" status="sp. nov.">
<emphasis id="7FE66649805BE8206F7FFDC08D962463" italics="true" pageId="11" pageNumber="861">Austrotindaria antiqua</emphasis>
</taxonomicName>
<taxonomicNameLabel id="64D5DB32805BE8206DF5FDA18C372463" box="[250,336,584,607]" pageId="11" pageNumber="861" rank="species">sp. nov.</taxonomicNameLabel>
in having a more equal number of anterior to posterior teeth and an orthogyrate beak. The direction of the beak also separates these specimens from unequivocal species of
<taxonomicName id="8A92C1D8805BE8206CB0FD418F402483" authorityName="Wissmann" authorityYear="1841" box="[447,551,680,703]" class="Bivalvia" family="Trigonodidae" genus="Unionites" kingdom="Animalia" order="Trigoniida" pageId="11" pageNumber="861" phylum="Mollusca" rank="genus">
<emphasis id="7FE66649805BE8206CB0FD418F402483" box="[447,551,680,703]" italics="true" pageId="11" pageNumber="861">Unionites</emphasis>
</taxonomicName>
. In the specimens described here and other
<taxonomicName id="8A92C1D8805BE8206CBAFD218FCF24E3" box="[437,680,712,735]" pageId="11" pageNumber="861">
<emphasis id="7FE66649805BE8206CBAFD218F3524E3" box="[437,594,712,735]" italics="true" pageId="11" pageNumber="861">Austrotindaria</emphasis>
species
</taxonomicName>
the beak is orthogyrate to posteriorly opisthogyrate, whereas in
<taxonomicName id="8A92C1D8805BE8206D90FCE18C602523" authorityName="Wissmann" authorityYear="1841" box="[159,263,776,799]" class="Bivalvia" family="Trigonodidae" genus="Unionites" kingdom="Animalia" order="Trigoniida" pageId="11" pageNumber="861" phylum="Mollusca" rank="genus">
<emphasis id="7FE66649805BE8206D90FCE18C602523" box="[159,263,776,799]" italics="true" pageId="11" pageNumber="861">Unionites</emphasis>
</taxonomicName>
it is prosogyrate. Based on this key character, most specimens previously assigned to
<taxonomicName id="8A92C1D8805BE8206F49FCC18DDC2562" baseAuthorityName="Wissmann" baseAuthorityYear="1841" class="Bivalvia" family="Trigonodidae" genus="Unionites" kingdom="Animalia" order="Trigoniida" pageId="11" pageNumber="861" phylum="Mollusca" rank="species" species="fassaensis">
<emphasis id="7FE66649805BE8206F49FCC18DDC2562" italics="true" pageId="11" pageNumber="861">Unionites fassaensis</emphasis>
</taxonomicName>
, and similar Early Triassic specimens with an orthogyrate beak and no internal morphological detail preserved, are herein assigned to
<taxonomicName id="8A92C1D8805BE8206CA9FC6E8F8525A2" authority="Foster &amp; Danise &amp; Twitchett, 2017" authorityName="Foster &amp; Danise &amp; Twitchett" authorityYear="2017" box="[422,738,903,926]" 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="7FE66649805BE8206CA9FC6E8F8525A2" box="[422,738,903,926]" italics="true" pageId="11" pageNumber="861">Austrotindaria svalbardensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="64D5DB32805BE8206FE0FC6E8DA92582" pageId="11" pageNumber="861" rank="species">sp. nov.</taxonomicNameLabel>
</paragraph>
<paragraph id="4D2DBA5B805BE8206DB5FC2E8D932281" blockId="11.[159,781,553,1213]" pageId="11" pageNumber="861">
These specimens have a very similar shape, size and ornamentation to the
<typeStatus id="922904F9805BE8206C9DFC0E8CA725C2" box="[402,448,999,1022]" pageId="11" pageNumber="861">type</typeStatus>
species of
<taxonomicName id="8A92C1D8805BE8206F4AFC0E8F8525C2" authorityName="Fleming" authorityYear="1948" box="[581,738,999,1022]" class="Bivalvia" family="Neilonellidae" genus="Austrotindaria" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="861" phylum="Mollusca" rank="genus">
<emphasis id="7FE66649805BE8206F4AFC0E8F8525C2" box="[581,738,999,1022]" italics="true" pageId="11" pageNumber="861">Austrotindaria</emphasis>
</taxonomicName>
(
<taxonomicName id="8A92C1D8805BE8206FF9FC0E8C302222" authority="Fleming" authorityName="Fleming" authorityYear="1948" class="Bivalvia" family="Neilonellidae" genus="Austrotindaria" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="861" phylum="Mollusca" rank="species" species="wrighti">
<emphasis id="7FE66649805BE8206FF9FC0E8D8B2222" italics="true" pageId="11" pageNumber="861">A. wrighti</emphasis>
Fleming
</taxonomicName>
); however, they differ in possessing a small, rounded, triangular pit below the edentulous gap, and differ from other
<taxonomicName id="8A92C1D8805BE8206C9AFBAF8FEB2261" box="[405,652,1094,1117]" pageId="11" pageNumber="861">
<emphasis id="7FE66649805BE8206C9AFBAF8F552261" box="[405,562,1094,1117]" italics="true" pageId="11" pageNumber="861">Austrotindaria</emphasis>
species
</taxonomicName>
, such as
<taxonomicName id="8A92C1D8805BE8206FF9FBAF8C4A2241" authorityName="P.A.Maxwell" authorityYear="1988" class="Bivalvia" family="Neilonellidae" genus="Austrotindaria" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="861" phylum="Mollusca" rank="species" species="mawheraensi">
<emphasis id="7FE66649805BE8206FF9FBAF8C4A2241" italics="true" pageId="11" pageNumber="861">A. mawheraensi</emphasis>
</taxonomicName>
s, in lacking a weak posterior rostrum. For these reasons, they are therefore considered a separate species.
</paragraph>
<paragraph id="4D2DBA5B805BE8206D90FB1A8CB42315" blockId="11.[159,781,1267,1321]" pageId="11" pageNumber="861">
<emphasis id="7FE66649805BE8206D90FB1A8C572336" bold="true" box="[159,304,1267,1290]" pageId="11" pageNumber="861">Mode of life.</emphasis>
Shallow infaunal, fully motile, slow, miner (Stasek 1961; Stanley 1968).
</paragraph>
</subSubSection>
</treatment>
</document>
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