265 lines
30 KiB
XML
265 lines
30 KiB
XML
<document id="BEA1C3C2C9764E9E2738314D1DCA1A28" ID-DOI="10.1186/s13358-022-00259-x" ID-ISSN="1664-2384" ID-PMC="PMC9681704" ID-PubMed="36439694" ID-Zenodo-Dep="12000082" IM.bibliography_approvedBy="carolina" IM.illustrations_approvedBy="carolina" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="carolina" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="carolina" checkinTime="1718653166208" checkinUser="felipe" docAuthor="Leu, Marc, Bucher, Hugo, Vennemann, Torsten, Bagherpour, Borhan, Ji, Cheng, Brosse, Morgane & Goudemand, Nicolas" docDate="2022" docId="038B1D1D6443FF9AFCA1EEFBD2F7FAE7" docLanguage="en" docName="SwissJPalaeontol.141.19.pdf" docOrigin="Swiss Journal of Palaeontology (19) 141 (1)" docSource="http://dx.doi.org/10.1186/s13358-022-00259-x" docStyle="DocumentStyle:DBDC680DC95E08776BDF6354C30A315B.1:SwissJPalaeontol.2022-.journal_article" docStyleId="DBDC680DC95E08776BDF6354C30A315B" docStyleName="SwissJPalaeontol.2022-.journal_article" docStyleVersion="1" docTitle="Icriospathodus crassatus" docType="treatment" docVersion="8" lastPageNumber="44" masterDocId="FFB265656469FFB1FF8CED10D031FFE4" masterDocTitle="A Unitary Association-based conodont biozonation of the Smithian-Spathian boundary (Early Triassic) and associated biotic crisis from South China" masterLastPageNumber="61" masterPageNumber="1" pageNumber="43" updateTime="1722283535381" updateUser="carolina" zenodo-license-document="CC-BY-4.0">
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<mods:title id="F17A2EACB50006796854F20B79F9E157">A Unitary Association-based conodont biozonation of the Smithian-Spathian boundary (Early Triassic) and associated biotic crisis from South China</mods:title>
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<mods:namePart id="407C5DD5BADFF659B2E9CEB05ACF3746">Leu, Marc</mods:namePart>
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<mods:affiliation id="36B1570B299CA036AB6CC137710D5C63">Paleontological Institute and Museum, University of Zurich, Karl-Schmid-Strasse 4, 8006 Zurich, Switzerland</mods:affiliation>
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<mods:namePart id="9CBD7AFB902179CD9A5928D47D885CE7">Bucher, Hugo</mods:namePart>
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<mods:affiliation id="6A7419171683220961C1D5875598048A">Paleontological Institute and Museum, University of Zurich, Karl-Schmid-Strasse 4, 8006 Zurich, Switzerland</mods:affiliation>
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<mods:namePart id="D695EB80CF766E575DDB6150197F02A8">Vennemann, Torsten</mods:namePart>
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<mods:namePart id="8C4FDFC0AF5C6064AA6D79AB70DD2CEB">Bagherpour, Borhan</mods:namePart>
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<mods:namePart id="626DEBD2F7A07D410C8151737E62C4D8">Ji, Cheng</mods:namePart>
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<mods:namePart id="A6340749DFE88D160C611E2D81FA56D4">Brosse, Morgane</mods:namePart>
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<mods:namePart id="47F9517F91F5E65E194736D670C73EF5">Goudemand, Nicolas</mods:namePart>
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<mods:title id="B8B094C1BE85DE236E165FA6B62BA2E0">Swiss Journal of Palaeontology</mods:title>
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<mods:date id="40A3A58E4F1C8FA9E9EBEE6D64C8A1D4">2022</mods:date>
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<mods:number id="58BA7D05BB16C9A8F918AA97BB609966">2022-11-22</mods:number>
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<mods:number id="5657243F99729A68785416A5E6757294">141</mods:number>
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<mods:identifier id="879AE4A15072E470EB3DE06933F66D08" type="ISSN">1664-2384</mods:identifier>
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<treatment id="038B1D1D6443FF9AFCA1EEFBD2F7FAE7" LSID="urn:lsid:plazi:treatment:038B1D1D6443FF9AFCA1EEFBD2F7FAE7" httpUri="http://treatment.plazi.org/id/038B1D1D6443FF9AFCA1EEFBD2F7FAE7" lastPageId="43" lastPageNumber="44" pageId="42" pageNumber="43">
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<subSubSection id="C338FF806443FF9BFCA1EEFBD523FBE7" box="[813,1298,1003,1027]" pageId="42" pageNumber="43" type="nomenclature">
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<paragraph id="8B9DAC0B6443FF9BFCA1EEFBD523FBE7" blockId="42.[813,1298,1003,1027]" box="[813,1298,1003,1027]" pageId="42" pageNumber="43">
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<heading id="D0D51B676443FF9BFCA1EEFBD523FBE7" box="[813,1298,1003,1027]" fontSize="9" level="2" pageId="42" pageNumber="43" reason="8">
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<taxonomicName id="4C22D7886443FF9BFCA1EEFBD523FBE7" authority="(Orchard, 1995)" baseAuthorityName="Orchard" baseAuthorityYear="1995" box="[813,1298,1003,1027]" family="Gondolellidae" genus="Icriospathodus" higherTaxonomySource="GBIF" isUncertain="true" kingdom="Animalia" order="Ozarkodinida" pageId="42" pageNumber="43" phylum="Chordata" rank="species" species="crassatus">
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<emphasis id="B95670196443FF9BFCA1EEFBD3FCFBE7" box="[813,973,1003,1027]" italics="true" pageId="42" pageNumber="43">Icriospathodus</emphasis>
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aff.
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<emphasis id="B95670196443FF9BFC76EEFCD46FFBE7" box="[1018,1118,1004,1027]" italics="true" pageId="42" pageNumber="43">crassatus</emphasis>
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(
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<bibRefCitation id="EFB3D1FA6443FF9BFBE0EEFBD538FBE7" author="Orchard, M. J." box="[1132,1289,1003,1027]" pageId="42" pageNumber="43" pagination="110 - 122" refId="ref45513" refString="Orchard, M. J. (1995). Taxonomy and correlation of Lower Triassic (Spathian) segminate conodonts from Oman and revision of some species of Neospathodus. Journal of Paleontology, 69 (1), 110 - 122. https: // doi. org / 10.1017 / S 0022336000026962" type="journal article" year="1995">Orchard, 1995</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="C338FF806443FF9AFCA1E93CD2F7FAE7" lastPageId="43" lastPageNumber="44" pageId="42" pageNumber="43" type="description">
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<paragraph id="8B9DAC0B6443FF9BFCA1E93CD40FFBA0" blockId="42.[813,1436,1068,1157]" box="[813,1086,1068,1093]" pageId="42" pageNumber="43">
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<figureCitation id="1319B08E6443FF9BFCA1E93CD3A2FBA1" box="[813,915,1068,1093]" captionStart="Fig" captionStartId="34.[170,201,968,988]" captionTargetBox="[153,1438,238,1081]" captionTargetId="figure-414@34.[229,1363,254,955]" captionTargetPageId="34" captionText="Fig. 22 Novispathodinae from Laren and Lilong. Magnification is ×80.The scale bar is 400 μm. All elements are considered to be P1 elements if not specifically identified otherwise. A, D Icriospathodus cf. crassatus? (Orchard); A BAN1, PIMUZ 39168; D LIL513A,PIMUZ 39169.B, E Novispathodus brevissimus (Orchard); B LIL513B,PIMUZ 39194; E LIL514A,PIMUZ SQL55056. C, F Novispathodus cf, brevissimus (Orchard); C LIL513A, PIMUZ 39196; F, LIL514A, PIMUZ 39198" figureDoi="http://doi.org/10.5281/zenodo.12000396" httpUri="https://zenodo.org/record/12000396/files/figure.png" pageId="42" pageNumber="43">Figs. 22A</figureCitation>
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?, D?; 25G–L, N
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</paragraph>
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<paragraph id="8B9DAC0B6443FF9BFCA1E95DD397FB61" blockId="42.[813,1436,1068,1157]" pageId="42" pageNumber="43">
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2019
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<taxonomicName id="4C22D7886443FF9BFCE5E95CD4DDFB80" authority="(Orchard)" baseAuthorityName="Orchard" baseAuthorityYear="1995" box="[873,1260,1100,1124]" family="Gondolellidae" genus="Icriospathodus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="42" pageNumber="43" phylum="Chordata" rank="species" species="crassatus">
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<emphasis id="B95670196443FF9BFCE5E95CD444FB80" box="[873,1141,1100,1124]" italics="true" pageId="42" pageNumber="43">Icriospathodus crassatus</emphasis>
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(Orchard)
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</taxonomicName>
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; Liu et al., pl. 4, figs. 10, 14.
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</paragraph>
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<paragraph id="8B9DAC0B6443FF9BFCA1E9BCD460FB21" blockId="42.[813,1437,1196,1861]" box="[813,1105,1196,1221]" pageId="42" pageNumber="43">Number of specimens:>30</paragraph>
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<paragraph id="8B9DAC0B6443FF9BFCCEE9DDD562FA40" blockId="42.[813,1437,1196,1861]" pageId="42" pageNumber="43">
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<emphasis id="B95670196443FF9BFCCEE9DDD382FB00" box="[834,947,1229,1252]" italics="true" pageId="42" pageNumber="43">Diagnosis.</emphasis>
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In lateral view, the segminate P
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<subScript id="17A6AE4E6443FF9BFAA3E9C9D509FB0E" attach="left" box="[1327,1336,1241,1258]" fontSize="7" pageId="42" pageNumber="43">1</subScript>
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element is subrectangular. Moderately fused carina. Denticles increasingly lower at both anterior and posterior ends. Posteriormost denticles often bent inwards. Basal cavity generally symmetrical and subquadrate to subtriangular in shape. Lateral margins and basal cup often relatively thick and sometimes accessory nodes on the latter.
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</paragraph>
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<paragraph id="8B9DAC0B6443FF9BFCA1E8BDD398F941" blockId="42.[813,1437,1196,1861]" pageId="42" pageNumber="43">
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<emphasis id="B95670196443FF9BFCA1E8BDD381FA20" box="[813,944,1453,1476]" italics="true" pageId="42" pageNumber="43">Description.</emphasis>
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In oral view, the rather symmetrical large basal cavity looks bulbous. Laterally, the thick node-like, irregular denticles are lower and more bent inwards towards the posterior end. Te basal cavity is symmetrical. Te subterminal cusp is situated near the posterior end, up to two more reclined denticles being sometimes present behind it. Te lower margin is downturned posteriorly.
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</paragraph>
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<paragraph id="8B9DAC0B6443FF9AFCCEEBBDD156FB47" blockId="42.[813,1437,1196,1861]" lastBlockId="43.[151,776,235,1283]" lastPageId="43" lastPageNumber="44" pageId="42" pageNumber="43">
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<emphasis id="B95670196443FF9BFCCEEBBDD396F921" box="[834,935,1709,1733]" italics="true" pageId="42" pageNumber="43">Remarks.</emphasis>
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<bibRefCitation id="EFB3D1FA6443FF9BFC3DEBBDD46FF921" author="Orchard, M. J." box="[945,1118,1708,1733]" pageId="42" pageNumber="43" pagination="110 - 122" refId="ref45513" refString="Orchard, M. J. (1995). Taxonomy and correlation of Lower Triassic (Spathian) segminate conodonts from Oman and revision of some species of Neospathodus. Journal of Paleontology, 69 (1), 110 - 122. https: // doi. org / 10.1017 / S 0022336000026962" type="journal article" year="1995">Orchard (1995)</bibRefCitation>
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created
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<taxonomicName id="4C22D7886443FF9BFB49EBBDD57CF920" baseAuthorityName="Orchard" baseAuthorityYear="1995" box="[1221,1357,1709,1732]" family="Gondolellidae" genus="Icriospathodus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="42" pageNumber="43" phylum="Chordata" rank="species" species="crassatus">
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<emphasis id="B95670196443FF9BFB49EBBDD57CF920" box="[1221,1357,1709,1732]" italics="true" pageId="42" pageNumber="43">Ic. crassatus</emphasis>
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</taxonomicName>
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for
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<taxonomicName id="4C22D7886443FF9BFA0FEBBDD3A5F901" baseAuthorityName="Solien" baseAuthorityYear="1979" family="Gondolellidae" genus="Icriospathodus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="42" pageNumber="43" phylum="Chordata" rank="species" species="collinsoni">
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<emphasis id="B95670196443FF9BFA0FEBBDD3A5F901" italics="true" pageId="42" pageNumber="43">Ic. collinsoni</emphasis>
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</taxonomicName>
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-like elements that lack the ridge-like or paired platform nodes. Our specimens share the attributes of
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<taxonomicName id="4C22D7886443FF9BFCA1EA1DD387F8C0" baseAuthorityName="Orchard" baseAuthorityYear="1995" box="[813,950,1805,1828]" family="Gondolellidae" genus="Icriospathodus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="42" pageNumber="43" phylum="Chordata" rank="species" species="crassatus">
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<emphasis id="B95670196443FF9BFCA1EA1DD387F8C0" box="[813,950,1805,1828]" italics="true" pageId="42" pageNumber="43">Ic. crassatus</emphasis>
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</taxonomicName>
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but their basal cavities are subsymmetrical, which is uncommon for
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<taxonomicName id="4C22D7886443FF9BFBFEEA3DD4C8F8A0" baseAuthorityName="Orchard" baseAuthorityYear="1995" box="[1138,1273,1837,1860]" family="Gondolellidae" genus="Icriospathodus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="42" pageNumber="43" phylum="Chordata" rank="species" species="crassatus">
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<emphasis id="B95670196443FF9BFBFEEA3DD4C8F8A0" box="[1138,1273,1837,1860]" italics="true" pageId="42" pageNumber="43">Ic. crassatus</emphasis>
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</taxonomicName>
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. Te elements of
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<taxonomicName id="4C22D7886442FF9AFF3BEDFCD150FEE7" baseAuthorityName="Orchard" baseAuthorityYear="1995" box="[183,353,236,259]" genus="Triassospathodus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="43" pageNumber="44" phylum="Chordata" rank="species" species="symmetricus">
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<emphasis id="B95670196442FF9AFF3BEDFCD150FEE7" box="[183,353,236,259]" italics="true" pageId="43" pageNumber="44">N. symmetricus</emphasis>
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</taxonomicName>
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have a similar outline in lateral view but have relatively higher and more uniform denticles with a pointy tip, and a relatively larger basal cavity. In our material,
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<taxonomicName id="4C22D7886442FF9AFEA3EC5CD1B9FE87" baseAuthorityName="Buryi" baseAuthorityYear="1979" box="[303,392,331,355]" family="Gondolellidae" genus="Icriospathodus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="43" pageNumber="44" phylum="Chordata" rank="species" species="zaksi">
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<emphasis id="B95670196442FF9AFEA3EC5CD1B9FE87" box="[303,392,331,355]" italics="true" pageId="43" pageNumber="44">Ic. zaksi</emphasis>
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</taxonomicName>
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and
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<taxonomicName id="4C22D7886442FF9AFE4EEC5CD243FE87" baseAuthorityName="Orchard" baseAuthorityYear="1995" box="[450,626,331,355]" family="Gondolellidae" genus="Icriospathodus" higherTaxonomySource="GBIF" isUncertain="true" kingdom="Animalia" pageId="43" pageNumber="44" phylum="Chordata" rank="species" species="crassatus">
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<emphasis id="B95670196442FF9AFE4EEC5CD1EDFE87" box="[450,476,332,355]" italics="true" pageId="43" pageNumber="44">Ic.</emphasis>
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aff.
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<emphasis id="B95670196442FF9AFD82EC5CD243FE87" box="[526,626,332,355]" italics="true" pageId="43" pageNumber="44">crassatus</emphasis>
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</taxonomicName>
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are morphologically similar, but
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<taxonomicName id="4C22D7886442FF9AFEFBEC7CD211FE67" baseAuthorityName="Orchard" baseAuthorityYear="1995" box="[375,544,363,387]" family="Gondolellidae" genus="Icriospathodus" higherTaxonomySource="GBIF" isUncertain="true" kingdom="Animalia" pageId="43" pageNumber="44" phylum="Chordata" rank="species" species="crassatus">
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<emphasis id="B95670196442FF9AFEFBEC7CD1BBFE67" box="[375,394,364,387]" italics="true" pageId="43" pageNumber="44">Ic</emphasis>
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. aff.
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<emphasis id="B95670196442FF9AFE30EC7CD211FE67" box="[444,544,364,387]" italics="true" pageId="43" pageNumber="44">crassatus</emphasis>
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</taxonomicName>
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is longer, bears more denticles, has a relatively smaller basal cavity and is usually found in younger strata.
|
||
<taxonomicName id="4C22D7886442FF9AFE42ECBCD215FE27" baseAuthorityName="Buryi" baseAuthorityYear="1979" box="[462,548,427,451]" family="Gondolellidae" genus="Icriospathodus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="43" pageNumber="44" phylum="Chordata" rank="species" species="zaksi">
|
||
<emphasis id="B95670196442FF9AFE42ECBCD215FE27" box="[462,548,427,451]" italics="true" pageId="43" pageNumber="44">Ic. zaksi</emphasis>
|
||
</taxonomicName>
|
||
may be a forerunner of
|
||
<taxonomicName id="4C22D7886442FF9AFF3BECDCD158FE07" baseAuthorityName="Orchard" baseAuthorityYear="1995" box="[183,361,459,483]" family="Gondolellidae" genus="Icriospathodus" higherTaxonomySource="GBIF" isUncertain="true" kingdom="Animalia" pageId="43" pageNumber="44" phylum="Chordata" rank="species" species="crassatus">
|
||
<emphasis id="B95670196442FF9AFF3BECDCD0FBFE07" box="[183,202,460,483]" italics="true" pageId="43" pageNumber="44">Ic</emphasis>
|
||
. aff.
|
||
<emphasis id="B95670196442FF9AFE89ECDCD158FE07" box="[261,361,460,483]" italics="true" pageId="43" pageNumber="44">crassatus</emphasis>
|
||
</taxonomicName>
|
||
. In the material studied from South
|
||
<collectingCountry id="F335EC9B6442FF9AFF1BECFBD0EAFDE7" box="[151,219,491,515]" name="China" pageId="43" pageNumber="44">China</collectingCountry>
|
||
, no “true”
|
||
<taxonomicName id="4C22D7886442FF9AFEDAECFCD1EAFDE7" baseAuthorityName="Orchard" baseAuthorityYear="1995" box="[342,475,492,515]" family="Gondolellidae" genus="Icriospathodus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="43" pageNumber="44" phylum="Chordata" rank="species" species="crassatus">
|
||
<emphasis id="B95670196442FF9AFEDAECFCD1EAFDE7" box="[342,475,492,515]" italics="true" pageId="43" pageNumber="44">Ic. crassatus</emphasis>
|
||
</taxonomicName>
|
||
was found. In addition, all illustrated specimens from South
|
||
<collectingCountry id="F335EC9B6442FF9AFD89EF1BD276FDC7" box="[517,583,523,547]" name="China" pageId="43" pageNumber="44">China</collectingCountry>
|
||
determined as
|
||
<taxonomicName id="4C22D7886442FF9AFD62EF1CD0CAFDA7" baseAuthorityName="Orchard" baseAuthorityYear="1995" family="Gondolellidae" genus="Icriospathodus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="43" pageNumber="44" phylum="Chordata" rank="species" species="crassatus">
|
||
<emphasis id="B95670196442FF9AFD62EF1CD0CAFDA7" italics="true" pageId="43" pageNumber="44">Ic. crassatus</emphasis>
|
||
</taxonomicName>
|
||
from the literature can neither be determined as
|
||
<taxonomicName id="4C22D7886442FF9AFF36EF5CD172FD87" baseAuthorityName="Orchard" baseAuthorityYear="1995" box="[186,323,588,611]" family="Gondolellidae" genus="Icriospathodus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="43" pageNumber="44" phylum="Chordata" rank="species" species="crassatus">
|
||
<emphasis id="B95670196442FF9AFF36EF5CD172FD87" box="[186,323,588,611]" italics="true" pageId="43" pageNumber="44">Ic. crassatus</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A265CD626442FF9AFEC3EF5CD1EEFD87" box="[335,479,587,611]" pageId="43" pageNumber="44" sensu="stricto">sensu stricto</taxonomicNameLabel>
|
||
in the authors view. Te specimen illustrated in
|
||
<bibRefCitation id="EFB3D1FA6442FF9AFE10EF7BD2ABFD67" author="Lehrmann, D. J. & Stepchinski, L. & Altiner, D. & Orchard, M. J. & Montgomery, P. & Enos, P. & Ellwood, B. B. & Bowring, S. A. & Ramezani, J. & Wang, H. & Wei, J. & Yu, M. & Griffiths, J. D. & Minzoni, M. & Schaal, E. K. & Li, X. & Meyer, K. M. & Payne, J." box="[412,666,619,643]" pageId="43" pageNumber="44" pagination="117 - 135" refId="ref43576" refString="Lehrmann, D. J., Stepchinski, L., Altiner, D., Orchard, M. J., Montgomery, P., Enos, P., Ellwood, B. B., Bowring, S. A., Ramezani, J., Wang, H., Wei, J., Yu, M., Griffiths, J. D., Minzoni, M., Schaal, E. K., Li, X., Meyer, K. M., & Payne, J. (2015). An integrated biostratigraphy (conodonts and foraminifers) and chronostratigraphy (paleomagnetic reversals, magnetic susceptibility, elemental chemistry, carbon isotopes and geochronology) for the Permian-Upper Triassic strata of Guandao section, Nanpanjiang Basin, south China. Journal of Asian Earth Sciences, 108, 117 - 135. https: // doi. org / 10.1016 / j. jseaes. 2015.04. 030" type="journal article" year="2015">Lehrmann et al. (2015)</bibRefCitation>
|
||
(fig. 5.16, 5.17), resembles more
|
||
<taxonomicName id="4C22D7886442FF9AFE15EF9CD23FFD47" baseAuthorityName="Bender" baseAuthorityYear="1970" box="[409,526,651,675]" genus="Triassospathodus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="43" pageNumber="44" phylum="Chordata" rank="species" species="homeri">
|
||
<emphasis id="B95670196442FF9AFE15EF9CD23FFD47" box="[409,526,651,675]" italics="true" pageId="43" pageNumber="44">Tr. homeri</emphasis>
|
||
</taxonomicName>
|
||
(see Additional files). Te studies from West and North Pingdingshan do either not provide any illustrations (
|
||
<bibRefCitation id="EFB3D1FA6442FF9AFE7CEFDBD28AFD07" author="Liang, D. & Tong, J. & Zhao, L." box="[496,699,715,739]" pageId="43" pageNumber="44" refId="ref44018" refString="Liang, D., Tong, J., & Zhao, L. (2011). Lower Triassic Smithian-Spathian" type="book" year="2011">Liang et al., 2011</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFB3D1FA6442FF9AFD42EFDBD13BFCE7" author="Zhao, L. & Orchard, M. J. & Tong, J. & Sun, Z. & Zuo, J. & Zhang, S. & Yun, A." pageId="43" pageNumber="44" pagination="24 - 38" refId="ref49075" refString="Zhao, L., Orchard, M. J., Tong, J., Sun, Z., Zuo, J., Zhang, S., & Yun, A. (2007). Lower Triassic conodont sequence in Chaohu, Anhui Province, China and its global correlation. Palaeogeography, Palaeoclimatology, Palaeoecology, 252, 24 - 38." type="journal article" year="2007">Zhao et al., 2007</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="EFB3D1FA6442FF9AFE9AEFFBD17BFCE7" author="Zhao, L. & Tong, J. & Zhang, S. & Sun, Z." box="[278,330,747,771]" pageId="43" pageNumber="44" pagination="207 - 216" refId="ref49144" refString="Zhao, L., Tong, J., Zhang, S., & Sun, Z. (2008). An update of conodonts in the Induan - Olenekian boundary strata at west Pingdingshan section, Chaohu, Anhui Province. Journal of China University of Geosciences, 19 (3), 207 - 216. https: // doi. org / 10.1016 / S 1002 - 0705 (08) 60040 - 0" type="journal article" year="2008">2008</bibRefCitation>
|
||
) or the specimens cannot be determined as
|
||
<taxonomicName id="4C22D7886442FF9AFF39EE1CD10BFCC7" baseAuthorityName="Orchard" baseAuthorityYear="1995" box="[181,314,780,803]" family="Gondolellidae" genus="Icriospathodus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="43" pageNumber="44" phylum="Chordata" rank="species" species="crassatus">
|
||
<emphasis id="B95670196442FF9AFF39EE1CD10BFCC7" box="[181,314,780,803]" italics="true" pageId="43" pageNumber="44">Ic. crassatus</emphasis>
|
||
</taxonomicName>
|
||
with certitude because the specimens are broken and resembles more
|
||
<taxonomicName id="4C22D7886442FF9AFE55EE3CD267FCA7" baseAuthorityName="Buryi" baseAuthorityYear="1979" box="[473,598,811,835]" family="Gondolellidae" genus="Icriospathodus" higherTaxonomySource="GBIF" isUncertain="true" kingdom="Animalia" pageId="43" pageNumber="44" phylum="Chordata" rank="species" species="zaksi">
|
||
<emphasis id="B95670196442FF9AFE55EE3CD1DDFCA7" box="[473,492,812,835]" italics="true" pageId="43" pageNumber="44">Ic</emphasis>
|
||
. cf.
|
||
<emphasis id="B95670196442FF9AFD93EE3BD267FCA7" box="[543,598,811,835]" italics="true" pageId="43" pageNumber="44">zaksi</emphasis>
|
||
</taxonomicName>
|
||
(Pl. 6 fig. 2) or
|
||
<emphasis id="B95670196442FF9AFF1BEE5CD09BFC87" box="[151,170,844,867]" italics="true" pageId="43" pageNumber="44">Ic</emphasis>
|
||
. cf.
|
||
<taxonomicName id="4C22D7886442FF9AFF51EE5BD15DFC87" baseAuthorityName="Orchard" baseAuthorityYear="1995" box="[221,364,843,867]" family="Gondolellidae" genus="Icriospathodus" higherTaxonomySource="GBIF" isUncertain="true" kingdom="Animalia" pageId="43" pageNumber="44" phylum="Chordata" rank="species" species="crassatus">
|
||
aff.
|
||
<emphasis id="B95670196442FF9AFE84EE5CD15DFC87" box="[264,364,844,867]" italics="true" pageId="43" pageNumber="44">crassatus</emphasis>
|
||
</taxonomicName>
|
||
(Pl. 12 fig. 11) in
|
||
<bibRefCitation id="EFB3D1FA6442FF9AFDB3EE5BD2F8FC87" author="Zhao, L. S." box="[575,713,843,867]" pageId="43" pageNumber="44" pagination="1 - 169" refId="ref48902" refString="Zhao, L. S., (2005). Study on the Lower Triassic conodont sequence and the Induan - Olenekian Boundary in Chaohu, Anhui Province. (Ph. D. thesis, China University of Geosciences, Wuhan, pp. 1 - 169)." type="book chapter" year="2005">Zhao (2005)</bibRefCitation>
|
||
. In
|
||
<bibRefCitation id="EFB3D1FA6442FF9AFD74EE5BD12BFC67" author="Ji, W. & Tong, J. & Zhao, L. & Zhou, S. & Chen, J." pageId="43" pageNumber="44" pagination="213 - 223" refId="ref42283" refString="Ji, W., Tong, J., Zhao, L., Zhou, S., & Chen, J. (2011). Lower - middle Triassic conodont biostratigraphy of the Qingyan section, Guizhou province, Southwest China. Palaeogeography, Palaeoclimatology, Palaeoecology, 308 (1 - 2), 213 - 223. https: // doi. org / 10.1016 / j. palaeo. 2010.08. 020" type="journal article" year="2011">Ji et al. (2011)</bibRefCitation>
|
||
the illustrated specimen from Qingyan consists of a large subsymmetrical basal cavity and resembles more
|
||
<taxonomicName id="4C22D7886442FF9AFE80EEBCD18BFC27" baseAuthorityName="Orchard" baseAuthorityYear="1995" box="[268,442,939,963]" family="Gondolellidae" genus="Icriospathodus" higherTaxonomySource="GBIF" isUncertain="true" kingdom="Animalia" pageId="43" pageNumber="44" phylum="Chordata" rank="species" species="crassatus">
|
||
<emphasis id="B95670196442FF9AFE80EEBCD12EFC27" box="[268,287,940,963]" italics="true" pageId="43" pageNumber="44">Ic</emphasis>
|
||
. aff.
|
||
<emphasis id="B95670196442FF9AFEDAEEBCD18BFC27" box="[342,442,940,963]" italics="true" pageId="43" pageNumber="44">crassatus</emphasis>
|
||
</taxonomicName>
|
||
. Te specimen determined as
|
||
<taxonomicName id="4C22D7886442FF9AFF1BEEDCD12CFC07" baseAuthorityName="Orchard" baseAuthorityYear="1995" box="[151,285,972,995]" family="Gondolellidae" genus="Icriospathodus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="43" pageNumber="44" phylum="Chordata" rank="species" species="crassatus">
|
||
Ic.
|
||
<emphasis id="B95670196442FF9AFF35EEDCD12CFC07" box="[185,285,972,995]" italics="true" pageId="43" pageNumber="44">crassatus</emphasis>
|
||
</taxonomicName>
|
||
in
|
||
<bibRefCitation id="EFB3D1FA6442FF9AFECDEEDBD1DFFC07" author="Liu, S. & Sun, Z. & Ji, C. & Zhou, M. & Jiang, D." box="[321,494,971,995]" pageId="43" pageNumber="44" refId="ref44210" refString="Liu, S., Sun, Z., Ji, C., Zhou, M., & Jiang, D. (2019). Conodont biostratigraphy and age of the early Triassic fish-bearing-nodule levels from Nanjing and Jurong, Jiangsu Province, South China. Journal of Earth Science. https: // doi. org / 10.1007 / s 12583 - 019 - 1232 - y" type="book" year="2019">Liu et al. (2019)</bibRefCitation>
|
||
is in the synonymy list of
|
||
<taxonomicName id="4C22D7886442FF9AFF1BEEFCD177FBE7" baseAuthorityName="Orchard" baseAuthorityYear="1995" box="[151,326,1003,1027]" family="Gondolellidae" genus="Icriospathodus" higherTaxonomySource="GBIF" isUncertain="true" kingdom="Animalia" pageId="43" pageNumber="44" phylum="Chordata" rank="species" species="crassatus">
|
||
<emphasis id="B95670196442FF9AFF1BEEFCD09BFBE7" box="[151,170,1004,1027]" italics="true" pageId="43" pageNumber="44">Ic</emphasis>
|
||
. aff.
|
||
<emphasis id="B95670196442FF9AFF6EEEFCD177FBE7" box="[226,326,1004,1027]" italics="true" pageId="43" pageNumber="44">crassatus</emphasis>
|
||
</taxonomicName>
|
||
(see above). Furthermore, the specimen illustrated in Yan et al. (fig. 6GG, 2013) resembles more
|
||
<taxonomicName id="4C22D7886442FF9AFF1BE93CD13AFBA7" baseAuthorityName="Bender" baseAuthorityYear="1970" box="[151,267,1067,1091]" genus="Triassospathodus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="43" pageNumber="44" phylum="Chordata" rank="species" species="homeri">
|
||
<emphasis id="B95670196442FF9AFF1BE93CD13AFBA7" box="[151,267,1067,1091]" italics="true" pageId="43" pageNumber="44">Tr. homeri</emphasis>
|
||
</taxonomicName>
|
||
with an inturned posterior end. Terefore, it has to questioned if
|
||
<taxonomicName id="4C22D7886442FF9AFEF0E95CD21DFB87" baseAuthorityName="Orchard" baseAuthorityYear="1995" box="[380,556,1099,1123]" family="Gondolellidae" genus="Icriospathodus" higherTaxonomySource="GBIF" isUncertain="true" kingdom="Animalia" pageId="43" pageNumber="44" phylum="Chordata" rank="species" species="crassatus">
|
||
<emphasis id="B95670196442FF9AFEF0E95CD1BEFB87" box="[380,399,1100,1123]" italics="true" pageId="43" pageNumber="44">Ic</emphasis>
|
||
. aff.
|
||
<emphasis id="B95670196442FF9AFE44E95CD21DFB87" box="[456,556,1100,1123]" italics="true" pageId="43" pageNumber="44">crassatus</emphasis>
|
||
</taxonomicName>
|
||
is provincialistic of South
|
||
<collectingCountry id="F335EC9B6442FF9AFF6CE97BD113FB67" box="[224,290,1131,1155]" name="China" pageId="43" pageNumber="44">China</collectingCountry>
|
||
and is worth of defining a new species formally in the future.
|
||
</paragraph>
|
||
<paragraph id="8B9DAC0B6442FF9AFF1BE9BCD2F7FAE7" blockId="43.[151,776,235,1283]" pageId="43" pageNumber="44">
|
||
<emphasis id="B95670196442FF9AFF1BE9BCD128FB27" box="[151,281,1196,1219]" italics="true" pageId="43" pageNumber="44">Occurrence.</emphasis>
|
||
South
|
||
<collectingCountry id="F335EC9B6442FF9AFEF4E9BBD18DFB27" box="[376,444,1195,1219]" name="China" pageId="43" pageNumber="44">China</collectingCountry>
|
||
, Nanpanjiang basin, Luolou Fm., Laren, Lilong, Shanggang top of black shales to nodular limestone, SSB and early Spathian, (this study).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |