120 lines
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120 lines
13 KiB
XML
<document id="598FB3F3C603262D7DDDF2CFD05C0580" ID-DOI="10.4202/app.00915.2021" ID-ISSN="1732-2421" ID-Zenodo-Dep="10981077" 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="1713284933167" checkinUser="felipe" docAuthor="Roberts, Aubrey Jane, Engelschiøn, Victoria Sjøholt & Hurum, Jørn Harald" docDate="2022" docId="03F787E94F28FFB7FC9BFF4564EBCF74" docLanguage="en" docName="ActaPalaeontolPol.67.1.51-62.pdf" docOrigin="Acta Palaeontologica Polonica 67 (1)" docSource="http://dx.doi.org/10.4202/app.00915.2021" docStyle="DocumentStyle:E4780F6D34569985EDF9CACFB9BC780E.2:ActaPalaeontolPol.2015-.journal_article" docStyleId="E4780F6D34569985EDF9CACFB9BC780E" docStyleName="ActaPalaeontolPol.2015-.journal_article" docStyleVersion="2" docTitle="Phalarodon Merriam 1910" docType="treatment" docVersion="4" lastPageNumber="54" masterDocId="FFCEFF914F2BFFB4FFB3FFDA6031CD1E" masterDocTitle="First three-dimensional skull of the Middle Triassic mixosaurid ichthyosaur Phalarodon fraasi from Svalbard, Norway" masterLastPageNumber="62" masterPageNumber="51" pageNumber="54" updateTime="1713379104591" updateUser="felipe" zenodo-license-document="CC-BY-4.0">
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<mods:title id="66ECDF03590FE549EFB72F4A0FC7FE2F">First three-dimensional skull of the Middle Triassic mixosaurid ichthyosaur Phalarodon fraasi from Svalbard, Norway</mods:title>
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<mods:namePart id="C9C914FDA5C804F384D9BF525C56FBA6">Roberts, Aubrey Jane</mods:namePart>
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<mods:namePart id="556E289763DE0038C14D4C535199CD07">Engelschiøn, Victoria Sjøholt</mods:namePart>
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<mods:namePart id="D5A818508ADAFA982839FFDBF6625DA1">Hurum, Jørn Harald</mods:namePart>
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<mods:typeOfResource id="BF205A159B58BFB47007969EACB43DF8">text</mods:typeOfResource>
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<mods:title id="C928831E241C076290BF048500B7D0A8">Acta Palaeontologica Polonica</mods:title>
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<mods:date id="07F5C9699499AB9CFE48FCAF2F55B507">2022</mods:date>
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<mods:number id="89F3E628AF0FBF01327AA54A0B20E11E">2022-03-30</mods:number>
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<mods:number id="967F938AF51677EBA84288BB3F487FE2">67</mods:number>
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<mods:url id="0A8CF98BC16FFA2A8CD25F58CB9C9533">http://dx.doi.org/10.4202/app.00915.2021</mods:url>
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<mods:identifier id="F13D9E88DC7E8CBBE2D075A6D0C4237A" type="DOI">10.4202/app.00915.2021</mods:identifier>
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<mods:identifier id="05ADE53D3315D2A5C4EB6216D3A38068" type="ISSN">1732-2421</mods:identifier>
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<treatment id="03F787E94F28FFB7FC9BFF4564EBCF74" LSID="urn:lsid:plazi:treatment:03F787E94F28FFB7FC9BFF4564EBCF74" httpUri="http://treatment.plazi.org/id/03F787E94F28FFB7FC9BFF4564EBCF74" lastPageNumber="54" pageId="3" pageNumber="54">
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<subSubSection id="C34465744F28FFB7FC9BFF4564D0CDA2" box="[808,1249,159,188]" pageId="3" pageNumber="54" type="nomenclature">
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<paragraph id="8BE136FF4F28FFB7FC9BFF4564D0CDA2" blockId="3.[808,1249,159,188]" box="[808,1249,159,188]" pageId="3" pageNumber="54">
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<heading id="D0A981934F28FFB7FC9BFF4564D0CDA2" box="[808,1249,159,188]" fontSize="12" level="2" pageId="3" pageNumber="54" reason="2">
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Genus
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<taxonomicName id="4C5E4D7C4F28FFB7FC31FF4564D0CDA2" authority="Merriam, 1910" authorityName="Merriam" authorityYear="1910" box="[898,1249,159,188]" family="Mixosauridae" genus="Phalarodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ichthyosauria" pageId="3" pageNumber="54" phylum="Chordata" rank="genus">
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<emphasis id="B92AEAED4F28FFB7FC31FF45642BCDA2" box="[898,1050,159,188]" italics="true" pageId="3" pageNumber="54">Phalarodon</emphasis>
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<bibRefCitation id="EFCF4B0E4F28FFB7FB91FF4564D0CDA2" author="Merriam, J. C." box="[1058,1249,159,188]" pageId="3" pageNumber="54" pagination="381 - 390" refId="ref9625" refString="Merriam, J. C. 1910. The skull and dentition of a primitive ichthyosaurian from the Middle Triassic. University of California Publications, Bulletin of the Department of Geology 5: 381 - 390." type="journal article" year="1910">Merriam, 1910</bibRefCitation>
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</taxonomicName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C34465744F28FFB7FC9BFF1664EBCF74" pageId="3" pageNumber="54" type="materials_examined">
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<paragraph id="8BE136FF4F28FFB7FC9BFF166466CDE3" blockId="3.[808,1481,203,253]" pageId="3" pageNumber="54">
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<materialsCitation id="3B363CA24F28FFB7FC9BFF166462CDE3" country="United States of America" location="West Humbolt Range" municipality="Middle Triassic" pageId="3" pageNumber="54" specimenCount="1" stateProvince="Nevada" typeStatus="holotype">
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<emphasis id="B92AEAED4F28FFB7FC9BFF166391CDFF" box="[808,928,204,225]" italics="true" pageId="3" pageNumber="54">
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<typeStatus id="54E5885D4F28FFB7FC9BFF166364CDFF" box="[808,853,204,225]" pageId="3" pageNumber="54">Type</typeStatus>
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species
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</emphasis>
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:
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<taxonomicName id="4C5E4D7C4F28FFB7FC1FFF1164DDCDFE" authority="Merriam, 1910" authorityName="Merriam" authorityYear="1910" box="[940,1260,203,225]" family="Mixosauridae" genus="Phalaodon" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="3" pageNumber="54" phylum="Chordata" rank="species" species="fraasi">
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<emphasis id="B92AEAED4F28FFB7FC1FFF116465CDFE" box="[940,1108,203,224]" italics="true" pageId="3" pageNumber="54">Phalaodon fraasi</emphasis>
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<bibRefCitation id="EFCF4B0E4F28FFB7FBEAFF1164DDCDFE" author="Merriam, J. C." box="[1113,1260,203,225]" pageId="3" pageNumber="54" pagination="381 - 390" refId="ref9625" refString="Merriam, J. C. 1910. The skull and dentition of a primitive ichthyosaurian from the Middle Triassic. University of California Publications, Bulletin of the Department of Geology 5: 381 - 390." type="journal article" year="1910">Merriam, 1910</bibRefCitation>
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</taxonomicName>
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;
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<location id="8E8160244F28FFB7FB46FF1665F7CDFF" LSID="urn:lsid:plazi:treatment:03F787E94F28FFB7FC9BFF4564EBCF74:8E8160244F28FFB7FB46FF1665F7CDFF" box="[1269,1478,203,225]" country="United States of America" municipality="Middle Triassic" name="West Humbolt Range" pageId="3" pageNumber="54" stateProvince="Nevada">West Humbolt Range</location>
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,
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<collectingRegion id="499AF81D4F28FFB7FC9BFF3D6345CDE3" box="[808,884,231,253]" country="United States of America" name="Nevada" pageId="3" pageNumber="54">Nevada</collectingRegion>
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,
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<collectingCountry id="F349766F4F28FFB7FCCEFF326381CDE3" box="[893,944,232,253]" name="United States of America" pageId="3" pageNumber="54">USA</collectingCountry>
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;
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<collectingMunicipality id="6B85AC854F28FFB7FC09FF3D6462CDE3" box="[954,1107,231,253]" pageId="3" pageNumber="54">Middle Triassic</collectingMunicipality>
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</materialsCitation>
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.
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</paragraph>
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<paragraph id="8BE136FF4F28FFB7FC9BFED564EBCF74" blockId="3.[808,1481,270,618]" pageId="3" pageNumber="54">
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<emphasis id="B92AEAED4F28FFB7FC9BFED563ABCC36" box="[808,922,271,296]" italics="true" pageId="3" pageNumber="54">Diagnosis</emphasis>
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.—Modified from
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<bibRefCitation id="EFCF4B0E4F28FFB7FBDFFED46539CC37" author="Ji, C. & Jiang, D. - Y. & Motani, R. & Rieppel, O. & Hao, W. - C. & Sun, Z. - Y." box="[1132,1288,270,297]" pageId="3" pageNumber="54" pagination="1025956" refId="ref8796" refString="Ji, C., Jiang, D. - Y., Motani, R., Rieppel, O., Hao, W. - C., and Sun, Z. - Y. 2015. Phylogeny of the Ichthyopterygia incorporating recent discoveries from South China. Journal of Vertebrate Paleontology 36: e 1025956." type="journal article" year="2015">Ji et al. (2015)</bibRefCitation>
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and discussed in
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<bibRefCitation id="EFCF4B0E4F28FFB7FC9BFEEA643ECC57" author="Okland, I. H. & Delsett, L. L. & Roberts, A. J. & Hurum, J. H." box="[808,1039,303,331]" pageId="3" pageNumber="54" pagination="267 - 288" refId="ref10128" refString="Okland, I. H., Delsett, L. L., Roberts, A. J., and Hurum, J. H. 2018. A Phalarodon fraasi (Ichthyosauria: Mixosauridae) from the Middle Triassic of Svalbard. Norwegian Journal of Geology 98: 267 - 288." type="journal article" year="2018">Økland et al. (2018)</bibRefCitation>
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. Premaxilla forms the anterior margin of external naris (also present in
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<taxonomicName id="4C5E4D7C4F28FFB7FB16FE8A64E3CC94" authority="Jiang, Schmitz, Hao, and Sun, 2006" authorityName="Jiang, Schmitz, Hao, and Sun" authorityYear="2006" family="Mixosauridae" genus="Mixosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="3" pageNumber="54" phylum="Chordata" rank="species" species="panxianensis">
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<emphasis id="B92AEAED4F28FFB7FB16FE8A65F8CC77" box="[1189,1481,336,361]" italics="true" pageId="3" pageNumber="54">Mixosaurus panxianensis</emphasis>
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<bibRefCitation id="EFCF4B0E4F28FFB7FC9BFEB564E3CC94" author="Jiang, D. - Y. & Schmitz, L. & Hao, W. - C. & Sun, Y. - L." box="[808,1234,367,394]" pageId="3" pageNumber="54" pagination="60 - 69" refId="ref8961" refString="Jiang, D. - Y., Schmitz, L., Hao, W. - C., and Sun, Y. - L. 2006. A new mixosaurid ichthyosaur from the Middle Triassic of China. Journal of Vertebrate Paleontology 26: 60 - 69." type="journal article" year="2006">Jiang, Schmitz, Hao, and Sun, 2006</bibRefCitation>
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</taxonomicName>
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); nasal region with a pronounced narial shelf; maxillary tooth implantation with sockets, dental groove absent posteriorly (completely absent in
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<taxonomicName id="4C5E4D7C4F28FFB7FCCAFE156476CCF7" authorityName="PMO" baseAuthorityName="Merriam" baseAuthorityYear="1910" box="[889,1095,463,489]" family="Mixosauridae" genus="Phalarodon" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="3" pageNumber="54" phylum="Chordata" rank="species" species="fraasi">
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<emphasis id="B92AEAED4F28FFB7FCCAFE156476CCF7" box="[889,1095,463,489]" italics="true" pageId="3" pageNumber="54">Phalarodon fraasi</emphasis>
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</taxonomicName>
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); significant heterodonty between anterior and posterior teeth in the maxilla (not extreme in
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<taxonomicName id="4C5E4D7C4F28FFB7FC9BFDD56433CF37" box="[808,1026,527,553]" family="Mixosauridae" genus="Phalarodon" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="3" pageNumber="54" phylum="Chordata" rank="species" species="atavus">
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<emphasis id="B92AEAED4F28FFB7FC9BFDD56433CF37" box="[808,1026,527,553]" italics="true" pageId="3" pageNumber="54">Phalarodon atavus</emphasis>
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</taxonomicName>
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); teeth with laterally compressed horizontal section (circular in
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<taxonomicName id="4C5E4D7C4F28FFB7FBE2FDF5657DCF57" box="[1105,1356,559,585]" family="Mixosauridae" genus="Phalarodon" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="3" pageNumber="54" phylum="Chordata" rank="species" species="callawayi">
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<emphasis id="B92AEAED4F28FFB7FBE2FDF5657DCF57" box="[1105,1356,559,585]" italics="true" pageId="3" pageNumber="54">Phalarodon callawayi</emphasis>
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</taxonomicName>
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); posterior tooth crown flat (conical in
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<taxonomicName id="4C5E4D7C4F28FFB7FBD0FD8A64FBCF77" box="[1123,1226,592,617]" family="Mixosauridae" genus="Phalarodon" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="3" pageNumber="54" phylum="Chordata" rank="species" species="atavus">
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<emphasis id="B92AEAED4F28FFB7FBD0FD8A64FBCF77" box="[1123,1226,592,617]" italics="true" pageId="3" pageNumber="54">P. atavus</emphasis>
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</taxonomicName>
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).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |