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<document id="441B681B96885AFA0AAA5CA1B0524629" ID-DOI="10.5252/geodiversitas2024v46a6" ID-ISSN="1638-9395" ID-Zenodo-Dep="11106598" ID-ZooBank="urn:lsid:zoobank.org:pub:6ACF6A79-9149-4781-808D-478668673EB6" IM.bibliography_approvedBy="juliana" IM.illustrations_approvedBy="juliana" IM.materialsCitations_approvedBy="juliana" IM.metadata_approvedBy="juliana" IM.tables_approvedBy="juliana" IM.taxonomicNames_approvedBy="juliana" IM.treatments_approvedBy="juliana" checkinTime="1714640714399" checkinUser="plazi" docAuthor="Scavezzoni, Isaure, Fischer, Valentin, Johnson, Michela M. & Jouve, Stéphane" docDate="2024" docId="038A56761D5DFF92FC8F9797FB365380" docLanguage="en" docName="geodiversitas.2024.46.6.pdf" docOrigin="Geodiversitas 46 (6)" docSource="https://sciencepress.mnhn.fr/sites/default/files/articles/pdf/g2024v46a6.pdf" docStyle="DocumentStyle:F830B10FF475E64C1F1601E3B32DDC00.4:Geodiversitas.2018-.journal_article" docStyleId="F830B10FF475E64C1F1601E3B32DDC00" docStyleName="Geodiversitas.2018-.journal_article" docStyleVersion="4" docTitle="Proexochokefalos bouchardi" docType="treatment" docVersion="4" lastPageNumber="234" masterDocId="FFB32E0E1D3CFFF7FFA29243FFC5576E" masterDocTitle="Form and function of the pelvic girdle of Thalattosuchia and Dyrosauridae (Crocodyliformes)" masterLastPageNumber="326" masterPageNumber="135" pageNumber="230" updateTime="1714681770497" updateUser="ExternalLinkService" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0">
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<mods:title id="018764F72B3C793EE5FD9E78CB674CC3">Form and function of the pelvic girdle of Thalattosuchia and Dyrosauridae (Crocodyliformes)</mods:title>
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<mods:namePart id="D0D5C11B34F5DE659C136C59D77AEB70">Scavezzoni, Isaure</mods:namePart>
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<mods:affiliation id="D8869DF1F10A251859227FC44CCF8454">Universite de Liège, Evolution and Diversity Dynamics Lab, All. du Six Août 14, 4000 Liège (Belgique) isaure. scavezzoni @ gmail. com v. fischer @ uliege. be</mods:affiliation>
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<mods:nameIdentifier id="E4A0EE9158C4BAB7F21B3E2AD974D7A1" type="email">isaure.scavezzoni@gmail.com</mods:nameIdentifier>
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<mods:namePart id="1A8C8572EEBD25AB14102FA95A46BDF0">Fischer, Valentin</mods:namePart>
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<mods:affiliation id="201035CBF8E524FEF13F5525BE68BA27">Universite de Liège, Evolution and Diversity Dynamics Lab, All. du Six Août 14, 4000 Liège (Belgique) isaure. scavezzoni @ gmail. com v. fischer @ uliege. be</mods:affiliation>
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<mods:nameIdentifier id="052C74DC6EC7F5960F6562C6EC2ABC1F" type="email">v.fischer@uliege.be</mods:nameIdentifier>
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<mods:namePart id="3B9E9BCAD6536FFDDB45ECC654D06151">Johnson, Michela M.</mods:namePart>
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<mods:affiliation id="6601A18E573EA270AA05DCBD31009375">Department of Palaeontology, Staatliches Museum für Naturkunde Stuttgart, Museum am LÖwentor, Rosenstein 1, 70191 Stuttgart (Germany) michela. johnson @ smns-bw. de</mods:affiliation>
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<mods:nameIdentifier id="E8EDBA3B51F4E885ABFFC0F87592D36A" type="email">michela.johnson@smns-bw.de</mods:nameIdentifier>
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<mods:namePart id="24933C67AEE79EF28DA367D262FFCF00">Jouve, Stéphane</mods:namePart>
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<mods:affiliation id="4F140B113E9854BEB866609AE1E569AC">Sorbonne Universite, BUPMC - Pôle Collections, Tour Zamansky, 15 étage, bureau 1513, 4 place Jussieu, 75252 Paris Cedex 05 (France) stephane. jouve @ sorbonne-universite. fr</mods:affiliation>
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<mods:nameIdentifier id="55554C55DDB7E5DDA3BCBD8752167122" type="email">stephane.jouve@sorbonne-universite.fr</mods:nameIdentifier>
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<mods:title id="29097DF99A85B3BC06CADBCC946161AF">Geodiversitas</mods:title>
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<mods:date id="FFFA9BDAC5F757000E5FFCDBA6DE506F">2024</mods:date>
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<mods:number id="06ACF1292F04E2A1CB2333613DD9A161">2024-05-02</mods:number>
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<mods:number id="9E9BC67E7B09CD638E3E5CA7853F12C3">46</mods:number>
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<mods:classification id="9A22C9B9448A1E059780EA50AC8C9A8E">journal article</mods:classification>
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<mods:identifier id="78CD751F075647582E0DC3C1D4433BFE" type="DOI">10.5252/geodiversitas2024v46a6</mods:identifier>
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<mods:identifier id="D7ADA921537D6271BC8057A97318ECE4" type="ISSN">1638-9395</mods:identifier>
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<treatment id="038A56761D5DFF92FC8F9797FB365380" ID-DOI="http://doi.org/10.5281/zenodo.11106287" ID-Zenodo-Dep="11106287" LSID="urn:lsid:plazi:treatment:038A56761D5DFF92FC8F9797FB365380" httpUri="http://treatment.plazi.org/id/038A56761D5DFF92FC8F9797FB365380" lastPageId="101" lastPageNumber="234" pageId="97" pageNumber="230">
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<subSubSection id="C339B4EB1D5DFF96FC8F9797FAAD5283" box="[813,1384,1491,1517]" pageId="97" pageNumber="230" type="nomenclature">
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<paragraph id="8B9CE7601D5DFF96FC8F9797FAAD5283" blockId="97.[811,1457,1491,1804]" box="[813,1384,1491,1517]" pageId="97" pageNumber="230">
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<taxonomicName id="4C239CE31D5DFF96FC8F9797FAAD5283" authority="(SAUVAGE, 1872)" box="[813,1384,1491,1517]" genus="Proexochokefalos" kingdom="Animalia" order="Crocodylia" pageId="97" pageNumber="230" rank="species" species="bouchardi">
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<smallCapsWord id="8D7A71BC1D5DFF96FC8F9797FBC45285" baselines="1511,1510" box="[813,1025,1492,1517]" lowerCaseFontSize="8" mainFontSize="11" normCase="title" normString="Proexochokefalos" pageId="97" pageNumber="230">
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<emphasis id="B9573B721D5DFF96FC8F9797FBC45285" box="[813,1025,1492,1517]" italics="true" pageId="97" pageNumber="230">PROEXOCHOKEFALOS</emphasis>
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</smallCapsWord>
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<smallCapsWord id="8D7A71BC1D5DFF96FBAA979BFBE75285" baselines="1510" box="[1032,1058,1496,1515]" lowerCaseFontSize="8" mainFontSize="11" normCase="lower" normString="cf" pageId="97" pageNumber="230">CF</smallCapsWord>
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.
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<smallCapsWord id="8D7A71BC1D5DFF96FB92979BFB6D5285" baselines="1510" box="[1072,1192,1496,1515]" lowerCaseFontSize="8" mainFontSize="11" normCase="lower" normString="bouchardi" pageId="97" pageNumber="230">
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<emphasis id="B9573B721D5DFF96FB92979BFB6D5285" box="[1072,1192,1496,1515]" italics="true" pageId="97" pageNumber="230">BOUCHARDI</emphasis>
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</smallCapsWord>
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(
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<bibRefCitation id="EFB29A911D5DFF96FB159790FAA55283" author="SAUVAGE H. E." box="[1207,1376,1491,1517]" pageId="97" pageNumber="230" pagination="178 - 180" refId="ref115921" refString="SAUVAGE H. E. 1872. - Sur quelques especes de Steneosaures provenant des assises jurassiques superieures de Boulogne-sur-mer. Bulletin de la Societe philomathique de Paris, serie 6, IX: 178 - 180. https: // www. biodiversitylibrary. org / page / 31641254" type="journal article" year="1872">
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<smallCapsWord id="8D7A71BC1D5DFF96FB159790FADC5285" baselines="1510,1510" box="[1207,1305,1491,1517]" lowerCaseFontSize="8" mainFontSize="11" normCase="title" normString="Sauvage" pageId="97" pageNumber="230">SAUVAGE</smallCapsWord>
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, 1872
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</bibRefCitation>
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)
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</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection id="C339B4EB1D5DFF92FC8F97B0FB365380" lastPageId="101" lastPageNumber="234" pageId="97" pageNumber="230" type="description">
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<paragraph id="8B9CE7601D5DFF96FC8F97B0FB595163" blockId="97.[811,1457,1491,1804]" box="[813,1180,1523,1549]" pageId="97" pageNumber="230">
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For measurements, see
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<tableCitation id="C6A1D2DB1D5DFF96FB8797B0FB505163" box="[1061,1173,1523,1549]" captionStart-0="TABLE" captionStart-1="TABLE" captionStart-2="TABLE" captionStartId-0="19.[61,72,462,479]" captionStartId-1="25.[61,72,457,474]" captionStartId-2="29.[61,72,511,528]" captionTargetPageId-0="19" captionTargetPageId-1="25" captionTargetPageId-2="29" captionText-0="TABLE 7. — List of measurements in mm of crocodyliformes ilia. Abbreviations: Ha, anterior height; Hv, ventral length; Hd, dorsal length; PST.l, postacetabular process anteroposterior length; PST.h, postacetabular process dorsoventral height; PRE.l, preacetabular process anteroposterior length; PRE.h, preacetabular process dorsoventral height; ACE.h, acetabulum dorsoventral height; ACE.w, acetabulum width at mid-height; GAP.w, base length of acetabular perforation; GAP.h, max height of acetabular perforation; PUB.l, pubic peduncle anteroposterior length; PUB.h, pubic peduncle dorsoventral height; ISC.l, ischial peduncle anteroposterior length; ISC.h, Ischial peduncle dorsoventral height." captionText-1="TABLE 8. — List of measurements in mm of crocodyliformes ischia. When measurements are missing on the first ischium, it takes measurements from next ischium. NHMUK PV R 4763 shaft reconstructed.Abbreviations: Hd, total height from posterior peduncle to tip of posterior process; PP.h, height of posterior process tip; AP.h, base height of anterior process; AP.w, total length of anterior process; BL.l, total length of ischial blade; GAP.w, base length of acetabular perforation; GAP.h, max height of acetabular perforation;PPed.Ll, anteroposterior length of posterior peduncle taken laterally;PPed.Wa, mediolateral width of posterior peduncle taken anteriorly; BR.l, total length of peduncle bridge; APed.w, mediolateral width of anterior peduncle; APed.h, dorsoventral height of anterior peduncle; Arch.l, anterior arch length from anterior peduncle to anterior process; Arch.h, maximal depth between base arch and bone margin; S, length from proximal extremity to maximal constriction; C, anteroposterior width of constriction." captionText-2="TABLE 9. — List of measurements in mm of crocodyliformes pubes. When measurements are missing on the first bone, it takes measurements from the next one. SMNS 81608 has been reconstructed. Abbreviations: H, total proximodistal height; Wh, mediolateral width at mid length; Ldia, length of diaphysis; Lbl, freehand length of distal blade up to diaphysis; Dbl, distance between both medial and lateral extremities of distal blade; Wprox, anteroposterior width of proximal peduncle; Lprox, mediolateral length of proximal peduncle; Shaft, proximodistal length of shaft; Neck, proximodistal length of neck; C, anteroposterior width of constriction; Arch.l, anterior arch length from peduncle to pubic diaphysis; Arch.h, maximal depth between base arch and bone margin; Arch.d, distance between proximal base of arch and position of max depth along the arch." httpUri-0="http://table.plazi.org/id/DF5CB7E81D2FFFE4FF9F938DFDDF554D" httpUri-1="http://table.plazi.org/id/DF5CB7E81D25FFEEFF9F938AFAB1555A" httpUri-2="http://table.plazi.org/id/DF5CB7E81D21FFEAFF9F93BCF8FE553A" pageId="97" pageNumber="230" tableUuid-0="DF5CB7E81D2FFFE4FF9F938DFDDF554D" tableUuid-1="DF5CB7E81D25FFEEFF9F938AFAB1555A" tableUuid-2="DF5CB7E81D21FFEAFF9F93BCF8FE553A">Tables 7-9</tableCitation>
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.
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</paragraph>
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<paragraph id="8B9CE7601D5DFF96FC8F9451FB925062" blockId="97.[811,1457,1491,1804]" pageId="97" pageNumber="230">
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The bone referred to the pubis of
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<taxonomicName id="4C239CE31D5DFF96FB229451FA6A5142" box="[1152,1455,1554,1580]" pageId="97" pageNumber="230">
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<emphasis id="B9573B721D5DFF96FB229451FAE05142" box="[1152,1317,1554,1580]" italics="true" pageId="97" pageNumber="230">Proexochokefalos</emphasis>
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cf.
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<emphasis id="B9573B721D5DFF96FAE89451FA6A5142" box="[1354,1455,1554,1580]" italics="true" pageId="97" pageNumber="230">bouchardi</emphasis>
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</taxonomicName>
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<collectionCode id="ED327FA51D5DFF96FC8F9470FCB15123" box="[813,884,1587,1613]" pageId="97" pageNumber="230">MJSN</collectionCode>
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SCR010-
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<quantity id="4CDB4A851D5DFF96FC429470FBE05122" box="[992,1061,1586,1613]" metricMagnitude="0" metricUnit="m" metricValue="9.4996" pageId="97" pageNumber="230" unit="in" value="374.0">374 in</quantity>
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<bibRefCitation id="EFB29A911D5DFF96FB8B9471FACE5123" author="SCHAEFER K. & PUNTENER C. & BILLON-BRUYAT J. - P." box="[1065,1291,1586,1613]" pageId="97" pageNumber="230" refId="ref116051" refString="SCHAEFER K., PUNTENER C. & BILLON-BRUYAT J. - P. 2018. - Vertebres mesozoIques: crocodiliens. Office de la culture - Paleontologie A 16, Porrentruy, 184 p." type="book" year="2018">
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Schaefer
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<emphasis id="B9573B721D5DFF96FB289470FB795122" box="[1162,1212,1586,1612]" italics="true" pageId="97" pageNumber="230">et al.</emphasis>
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(2018)
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</bibRefCitation>
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is not included in our description. Indeed, the bone displays all the characteristics of a derived teleosauroid humerus: shortening of humeral shaft; posterior deflection of the articular proximal head; distal torsion of the condyles in relation to the coronal plane; continuous surface between the deltopectoral crest and the proximal articular head.
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</paragraph>
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<paragraph id="8B9CE7601D5DFF96FC8F9572FCA25025" blockId="97.[813,871,1841,1867]" box="[813,871,1841,1867]" pageId="97" pageNumber="230">
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<heading id="D0D4500C1D5DFF96FC8F9572FCA25025" box="[813,871,1841,1867]" fontSize="11" level="2" pageId="97" pageNumber="230" reason="8">
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<emphasis id="B9573B721D5DFF96FC8F9572FCA25025" box="[813,871,1841,1867]" italics="true" pageId="97" pageNumber="230">Ilium</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8B9CE7601D5DFF94FC8F9512FE2F55DE" blockId="97.[811,1456,1873,2028]" lastBlockId="99.[130,777,215,2027]" lastPageId="99" lastPageNumber="232" pageId="97" pageNumber="230">
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The ilium of
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<taxonomicName id="4C239CE31D5DFF96FC129512FB255005" box="[944,1248,1873,1899]" pageId="97" pageNumber="230">
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<emphasis id="B9573B721D5DFF96FC129512FB935005" box="[944,1110,1873,1899]" italics="true" pageId="97" pageNumber="230">Proexochokefalos</emphasis>
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cf.
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<emphasis id="B9573B721D5DFF96FBD99512FB255005" box="[1147,1248,1873,1899]" italics="true" pageId="97" pageNumber="230">bouchardi</emphasis>
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</taxonomicName>
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(
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<figureCitation id="1318FBE51D5DFF96FB4C9512FAFD5002" box="[1262,1336,1873,1900]" captionStart="FIG" captionStartId="100.[132,143,1963,1980]" captionTargetBox="[143,1443,216,1860]" captionTargetId="figure-17@100.[154,1444,263,1861]" captionTargetPageId="100" captionText="FIG. 50. — Pelvic girdle elements of Proexochokefalos cf. bouchardi (Sauvage, 1872), MJSN SCR010-374: A, left ilium in lateral view; B, left ilium in medial view; C, right ischium in medial view; D, right ischium in lateral view. Arrow points anteriorly. Original models courtesy of Dr Jeremy Anquetin (Jurassica Museum- MJSN). Scale bar: 1 cm." figureDoi="http://doi.org/10.5281/zenodo.11106706" httpUri="https://zenodo.org/record/11106706/files/figure.png" pageId="97" pageNumber="230">Figs 50</figureCitation>
|
|||
|
|
;
|
|||
|
|
<figureCitation id="1318FBE51D5DFF96FAE69512FA9A5002" box="[1348,1375,1873,1900]" captionStart="FIG" captionStartId="102.[132,143,1714,1731]" captionTargetBox="[132,1456,204,1702]" captionTargetId="figure-128@102.[121,1466,256,1691]" captionTargetPageId="102" captionText="FIG. 51. — Pelvic reconstruction of Proexochokefalos cf. bouchardi (Sauvage,1872),MJSN SCR010-374: A, lateral view;B, anterior view;C, ventral view;D, dor- sal view. Arrow points anteriorly. Target indicates anterior. The right ilium and left ischium mirrored. Original models courtesy of Dr Jeremy Anquetin (Jurassica Museum-MJSN). Scale bar: 5 cm." figureDoi="http://doi.org/10.5281/zenodo.11106708" httpUri="https://zenodo.org/record/11106708/files/figure.png" pageId="97" pageNumber="230">51</figureCitation>
|
|||
|
|
) stands out from that of other teleosauroids with the bulged shape of its preacetabular process and dorsal margin as a whole. Indeed, the dorsal margin of the ilium of
|
|||
|
|
<emphasis id="B9573B721D5DFF96FAA095F2FA7550A5" box="[1282,1456,1969,1995]" italics="true" pageId="97" pageNumber="230">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D5DFF96FCEF9592FC735085" box="[845,950,2001,2027]" italics="true" pageId="97" pageNumber="230">bouchardi</emphasis>
|
|||
|
|
is almost entirely convex, with a shallow recess located at 2/3 of its length posteriorly rather than at the base of the preacetabular process as in other teleosauroids (e.g.
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FF269354FE1D565F" baseAuthorityName="Berckhemer" baseAuthorityYear="1929" box="[132,472,279,305]" class="Reptilia" family="Teleosauridae" genus="Platysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="multiscrobiculatus">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FF269354FE1D565F" box="[132,472,279,305]" italics="true" pageId="99" pageNumber="232">Platysuchus multiscrobiculatus</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FE489354FD3A565F" authority="(Jager, 1828)" authorityName="(Jager)" baseAuthorityName="Jager" baseAuthorityYear="1828" box="[490,767,279,305]" class="Reptilia" family="Teleosauridae" genus="Macrospondylus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="bollensis">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FE489354FD3A565F" box="[490,767,279,305]" italics="true" pageId="99" pageNumber="232">Macrospondylus bollensis</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FF269374FE5D563F" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[132,408,311,337]" genus="Charitomenosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="leedsi">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FF269374FE5D563F" box="[132,408,311,337]" italics="true" pageId="99" pageNumber="232">Charitomenosuchus leedsi</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FE0B937BFD7B563F" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" box="[425,702,311,337]" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="edwardsi">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FE0B937BFD7B563F" box="[425,702,311,337]" italics="true" pageId="99" pageNumber="232">Neosteneosaurus edwardsi</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FD6D937BFE9F561F" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="obtusidens">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FD6D937BFE9F561F" italics="true" pageId="99" pageNumber="232">Lemmysuchus obtusidens</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
). As a result, the preacetabular process of
|
|||
|
|
<emphasis id="B9573B721D5FFF94FF029334FE8856FF" box="[160,333,375,401]" italics="true" pageId="99" pageNumber="232">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D5FFF94FED19334FE1956FF" box="[371,476,375,401]" italics="true" pageId="99" pageNumber="232">bouchardi</emphasis>
|
|||
|
|
is dorsoventrally thick, and the area of the ilium extending from the supraacetabular crest to the dorsal margin is enlarged compared to other teleosauroids. Still, the preacetabular process of
|
|||
|
|
<emphasis id="B9573B721D5FFF94FDDD9395FF77557E" italics="true" pageId="99" pageNumber="232">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D5FFF94FF7C93B5FE8D557E" box="[222,328,502,528]" italics="true" pageId="99" pageNumber="232">bouchardi</emphasis>
|
|||
|
|
rapidly slims down anteriorly to form a sharp apex, thanks to its strongly concave ventral margin. Like in
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FF759075FE21553E" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[215,484,566,592]" genus="Charitomenosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="leedsi">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FF759075FE21553E" box="[215,484,566,592]" italics="true" pageId="99" pageNumber="232">Charitomenosuchus leedsi</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FE509074FD3A553E" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" box="[498,767,566,592]" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="edwardsi">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FE509074FD3A553E" box="[498,767,566,592]" italics="true" pageId="99" pageNumber="232">Neosteneosaurus edwardsi</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
, and
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FF159015FE7B551E" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[183,446,598,624]" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="obtusidens">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FF159015FE7B551E" box="[183,446,598,624]" italics="true" pageId="99" pageNumber="232">Lemmysuchus obtusidens</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
, the preacetabular process of
|
|||
|
|
<emphasis id="B9573B721D5FFF94FF249035FEF155FE" box="[134,308,630,656]" italics="true" pageId="99" pageNumber="232">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D5FFF94FEFF9035FE0255FE" box="[349,455,630,656]" italics="true" pageId="99" pageNumber="232">bouchardi</emphasis>
|
|||
|
|
is, in general, oriented anteriorly and is mediolaterally thin.
|
|||
|
|
</paragraph>
|
|||
|
|
<caption id="DF5CB7E81D5EFF95FF269581FBA25087" ID-DOI="http://doi.org/10.5281/zenodo.11106704" ID-Zenodo-Dep="11106704" httpUri="https://zenodo.org/record/11106704/files/figure.png" pageId="98" pageNumber="231" startId="98.[132,143,1986,2003]" targetBox="[150,1456,185,1906]" targetPageId="98" targetType="figure">
|
|||
|
|
<paragraph id="8B9CE7601D5EFF95FF269581FBA25087" blockId="98.[132,1456,1986,2025]" pageId="98" pageNumber="231">
|
|||
|
|
<smallCapsWord id="8D7A71BC1D5EFF95FF269581FF5850BC" baselines="1999,1999" box="[132,157,1986,2003]" lowerCaseFontSize="5" mainFontSize="7" normCase="title" normString="Fig" pageId="98" pageNumber="231">FIG</smallCapsWord>
|
|||
|
|
. 49. — Pelvic reconstruction of
|
|||
|
|
<taxonomicName id="4C239CE31D5EFF95FE099581FCDD50BD" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[427,792,1986,2003]" genus="Charitomenosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="98" pageNumber="231" phylum="Chordata" rank="species" species="leedsi">
|
|||
|
|
<emphasis id="B9573B721D5EFF95FE099581FD4250BD" box="[427,647,1986,2003]" italics="true" pageId="98" pageNumber="231">Charitomenosuchus leedsi</emphasis>
|
|||
|
|
(
|
|||
|
|
<bibRefCitation id="EFB29A911D5EFF95FD309581FCD150BD" author="ANDREWS C. W." box="[658,788,1986,2003]" pageId="98" pageNumber="231" pagination="299 - 308" refId="ref108338" refString="ANDREWS C. W. 1909. - XXXVIII - On some new Steneosaurs from the Oxford Clay of Peterborough. Annals and Magazine of Natural History 3: 299 - 308. https: // doi. org / 10.1080 / 00222930908692579" type="journal article" year="1909">Andrews, 1909</bibRefCitation>
|
|||
|
|
)
|
|||
|
|
</taxonomicName>
|
|||
|
|
, NHMUK PV R 3806:
|
|||
|
|
<emphasis id="B9573B721D5EFF95FC6C9581FC1E50BD" bold="true" box="[974,987,1986,2003]" pageId="98" pageNumber="231">A</emphasis>
|
|||
|
|
, lateral view;
|
|||
|
|
<emphasis id="B9573B721D5EFF95FBEC9581FB9E50BD" bold="true" box="[1102,1115,1986,2003]" pageId="98" pageNumber="231">B</emphasis>
|
|||
|
|
, anterior view;
|
|||
|
|
<emphasis id="B9573B721D5EFF95FB7E9581FB2F50BD" bold="true" box="[1244,1258,1986,2003]" pageId="98" pageNumber="231">C</emphasis>
|
|||
|
|
, ventral view;
|
|||
|
|
<emphasis id="B9573B721D5EFF95FAC19581FAB450BD" bold="true" box="[1379,1393,1986,2003]" pageId="98" pageNumber="231">D</emphasis>
|
|||
|
|
, dorsal view. Arrow points anteriorly. Target indicates anterior. The right ilium, ischium and pubis are mirrored. Scale bar: 5 cm.
|
|||
|
|
</paragraph>
|
|||
|
|
</caption>
|
|||
|
|
<paragraph id="8B9CE7601D5FFF94FF3990F5FDBF5263" blockId="99.[130,777,215,2027]" pageId="99" pageNumber="232">
|
|||
|
|
In comparison, the postacetabular process of
|
|||
|
|
<emphasis id="B9573B721D5FFF94FDC090F6FCC355A1" box="[610,774,693,719]" italics="true" pageId="99" pageNumber="232">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D5FFF94FF069096FEC95581" box="[164,268,725,751]" italics="true" pageId="99" pageNumber="232">bouchardi</emphasis>
|
|||
|
|
possesses a dorsal component in its orientation, so that its apex is oriented dorsoventrally as in
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FDFB90B6FD3B5461" authority="Von Meyer, 1845" authorityName="Von Meyer" authorityYear="1845" box="[601,766,757,783]" genus="Sericodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="jugleri">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FDFB90B6FD3B5461" box="[601,766,757,783]" italics="true" pageId="99" pageNumber="232">Sericodon jugleri</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FF269156FE4E5441" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[132,395,789,815]" genus="Charitomenosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="leedsi">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FF269156FE4E5441" box="[132,395,789,815]" italics="true" pageId="99" pageNumber="232">Charitomenosuchus leedsi</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
, and
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FE6A9155FD155441" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" box="[456,720,789,815]" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="edwardsi">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FE6A9155FD155441" box="[456,720,789,815]" italics="true" pageId="99" pageNumber="232">Neosteneosaurus edwardsi</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
. The postacetabular process of
|
|||
|
|
<emphasis id="B9573B721D5FFF94FE319176FDF85421" box="[403,573,821,847]" italics="true" pageId="99" pageNumber="232">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D5FFF94FDC69176FD095421" box="[612,716,821,847]" italics="true" pageId="99" pageNumber="232">bouchardi</emphasis>
|
|||
|
|
takes the shape of a Lancet arch as in most teleosauroids (except
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FF249136FE4354E1" authority="(Jager, 1828)" authorityName="(Jager)" baseAuthorityName="Jager" baseAuthorityYear="1828" box="[134,390,885,911]" class="Reptilia" family="Teleosauridae" genus="Macrospondylus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="bollensis">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FF249136FE4354E1" box="[134,390,885,911]" italics="true" pageId="99" pageNumber="232">Macrospondylus bollensis</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
and
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FE1F9136FD3254E1" baseAuthorityName="Berckhemer" baseAuthorityYear="1929" box="[445,759,885,911]" class="Reptilia" family="Teleosauridae" genus="Platysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="multiscrobiculatus">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FE1F9136FD3254E1" box="[445,759,885,911]" italics="true" pageId="99" pageNumber="232">Platysuchus multiscrobiculatus</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
), despite possessing a slightly concave dorsal margin. The posterior margin of the ilium of
|
|||
|
|
<emphasis id="B9573B721D5FFF94FE6991F6FDB054A1" box="[459,629,949,975]" italics="true" pageId="99" pageNumber="232">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D5FFF94FD3D91F6FCC254A1" box="[671,775,949,975]" italics="true" pageId="99" pageNumber="232">bouchardi</emphasis>
|
|||
|
|
forms a symmetrical sine curve, with a convex portion dorsally switching to a more concave shape ventrally at about its mid length. The inflexion point marks the base of the postacetabular process of
|
|||
|
|
<emphasis id="B9573B721D5FFF94FEC19677FDC85320" box="[355,525,1076,1102]" italics="true" pageId="99" pageNumber="232">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D5FFF94FD949677FD5B5320" box="[566,670,1076,1102]" italics="true" pageId="99" pageNumber="232">bouchardi</emphasis>
|
|||
|
|
, which is proportionally short as it only reaches about 36% of the total dorsal length (anteroposteriorly) of the ilium. The concave portion of the posterior margin of the ilium may have presented a short spike around its centre as in
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FDC196F6FF1A5380" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="edwardsi">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FDC196F6FF1A5380" italics="true" pageId="99" pageNumber="232">Neosteneosaurus edwardsi</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
. Indeed, the centre presents a broken portion whose sides constitute two slightly emerging surfaces.
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph id="8B9CE7601D5FFF94FF399750FE735085" blockId="99.[130,777,215,2027]" pageId="99" pageNumber="232">
|
|||
|
|
The anterior margin of the ilium of
|
|||
|
|
<emphasis id="B9573B721D5FFF94FD959750FD205243" box="[567,741,1299,1325]" italics="true" pageId="99" pageNumber="232">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D5FFF94FF269770FF295223" box="[132,236,1331,1357]" italics="true" pageId="99" pageNumber="232">bouchardi</emphasis>
|
|||
|
|
underneath the preacetabular process is relatively straight throughout its length. Still, the rim of the supraacetabular crest of
|
|||
|
|
<emphasis id="B9573B721D5FFF94FE929730FE1F52E3" box="[304,474,1395,1421]" italics="true" pageId="99" pageNumber="232">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D5FFF94FDA29730FDAD52E3" box="[512,616,1395,1421]" italics="true" pageId="99" pageNumber="232">bouchardi</emphasis>
|
|||
|
|
, although broken, hangs over the edge of the anterior margin, making it slightly convex as in
|
|||
|
|
<emphasis id="B9573B721D5FFF94FEF497F0FDC852A3" box="[342,525,1459,1485]" italics="true" pageId="99" pageNumber="232">
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FEF497F0FE1352A3" box="[342,470,1459,1485]" class="Reptilia" family="Metriorhynchidae" genus="Pelagosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="genus">Pelagosaurus</taxonomicName>
|
|||
|
|
typus
|
|||
|
|
</emphasis>
|
|||
|
|
and
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FDE397F0FF7E5283" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" genus="Charitomenosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="leedsi">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FDE397F0FF7E5283" italics="true" pageId="99" pageNumber="232">Charitomenosuchus leedsi</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
. In
|
|||
|
|
<emphasis id="B9573B721D5FFF94FF499790FE505283" box="[235,405,1491,1517]" italics="true" pageId="99" pageNumber="232">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D5FFF94FE1C9790FDE35283" box="[446,550,1491,1517]" italics="true" pageId="99" pageNumber="232">bouchardi</emphasis>
|
|||
|
|
, the supraacetabular crest forms a thin and convex ridge, which strongly protrudes laterally which contrasts with
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FE709451FD455142" authority="Von Meyer, 1845" authorityName="Von Meyer" authorityYear="1845" box="[466,640,1554,1580]" genus="Sericodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="jugleri">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FE709451FD455142" box="[466,640,1554,1580]" italics="true" pageId="99" pageNumber="232">Sericodon jugleri</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FD329451FE855122" baseAuthorityName="Berckhemer" baseAuthorityYear="1929" class="Reptilia" family="Teleosauridae" genus="Platysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="multiscrobiculatus">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FD329451FE855122" italics="true" pageId="99" pageNumber="232">Platysuchus multiscrobiculatus</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FEF29471FD945122" authority="(Jager, 1828)" authorityName="(Jager)" baseAuthorityName="Jager" baseAuthorityYear="1828" box="[336,593,1586,1612]" class="Reptilia" family="Teleosauridae" genus="Macrospondylus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="bollensis">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FEF29471FD945122" box="[336,593,1586,1612]" italics="true" pageId="99" pageNumber="232">Macrospondylus bollensis</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FDC39470FF1A5102" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="edwardsi">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FDC39470FF1A5102" italics="true" pageId="99" pageNumber="232">Neosteneosaurus edwardsi</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
and
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FEB09411FDC85102" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[274,525,1618,1644]" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="obtusidens">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FEB09411FDC85102" box="[274,525,1618,1644]" italics="true" pageId="99" pageNumber="232">Lemmysuchus obtusidens</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
. In comparison,
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FD1D9411FE8251E2" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" genus="Charitomenosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="leedsi">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FD1D9411FE8251E2" italics="true" pageId="99" pageNumber="232">Charitomenosuchus leedsi</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
also has a markedly convex supraacetabular crest, but instead of laterally protruding, the later is noticeable due to the deep indentation of the acetabulum directly underneath it. The bony acetabulum of
|
|||
|
|
<emphasis id="B9573B721D5FFF94FD9E9491FD235182" box="[572,742,1746,1772]" italics="true" pageId="99" pageNumber="232">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D5FFF94FF2694B1FF2B5062" box="[132,238,1778,1804]" italics="true" pageId="99" pageNumber="232">bouchardi</emphasis>
|
|||
|
|
is large (i.e. both dorsoventrally tall and anteroposteriorly long) as in other teleosauroids, but only forms a relatively shallow indentation as in
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FDAB9572FCCC5025" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[521,777,1841,1867]" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="obtusidens">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FDAB9572FCCC5025" box="[521,777,1841,1867]" italics="true" pageId="99" pageNumber="232">Lemmysuchus obtusidens</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
(as opposed to
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FE939512FE245005" authority="Von Meyer, 1845" authorityName="Von Meyer" authorityYear="1845" box="[305,481,1873,1899]" genus="Sericodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="jugleri">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FE939512FE245005" box="[305,481,1873,1899]" italics="true" pageId="99" pageNumber="232">Sericodon jugleri</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FE509512FCC55005" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[498,768,1873,1899]" genus="Charitomenosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="leedsi">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FE509512FCC55005" box="[498,768,1873,1899]" italics="true" pageId="99" pageNumber="232">Charitomenosuchus leedsi</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FF269531FE5550E5" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" box="[132,400,1905,1931]" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="edwardsi">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FF269531FE5550E5" box="[132,400,1905,1931]" italics="true" pageId="99" pageNumber="232">Neosteneosaurus edwardsi</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
, and possibly
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FD909532FF7C50C5" authority="(Jager, 1828)" authorityName="(Jager)" baseAuthorityName="Jager" baseAuthorityYear="1828" class="Reptilia" family="Teleosauridae" genus="Macrospondylus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="bollensis">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FD909532FF7C50C5" italics="true" pageId="99" pageNumber="232">Macrospondylus bollensis</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
). This is partly due to the relatively thin mediolateral thickness, and subsequent small lateral protrusion, of both pubic and ischial peduncles.
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph id="8B9CE7601D5FFF94FCE19294FB3754C1" blockId="99.[810,1458,215,2028]" pageId="99" pageNumber="232">
|
|||
|
|
The pubic peduncle of
|
|||
|
|
<emphasis id="B9573B721D5FFF94FB9D9294FB2C579F" box="[1087,1257,215,241]" italics="true" pageId="99" pageNumber="232">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D5FFF94FAB39294FABC579F" box="[1297,1401,215,241]" italics="true" pageId="99" pageNumber="232">bouchardi</emphasis>
|
|||
|
|
only forms a subtle bulge along the anterior margin of the ilium, as in
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FCFC9354FBC3565F" authority="Von Meyer, 1845" authorityName="Von Meyer" authorityYear="1845" box="[862,1030,279,305]" genus="Sericodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="jugleri">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FCFC9354FBC3565F" box="[862,1030,279,305]" italics="true" pageId="99" pageNumber="232">Sericodon jugleri</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FBB19354FC71563F" authority="(Martin et al. 2019 a)" baseAuthorityName="Martin" baseAuthorityYear="2019" family="Teleosauridae" genus="Indosinosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="potamosiamensis">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FBB19354FA93565F" box="[1043,1366,279,305]" italics="true" pageId="99" pageNumber="232">Indosinosuchus potamosiamensis</emphasis>
|
|||
|
|
(
|
|||
|
|
<bibRefCitation id="EFB29A911D5FFF94FAC69354FC69563F" author="MARTIN J. E. & SUTEETHORN S. & LAUPRASERT K. & TONG H. & BUFFETAUT E. & LIARD R. & SALAVIALE C. & DEESRI U. & SUTEETHORN V. & CLAUDE J." pageId="99" pageNumber="232" pagination="1549059" refId="ref114053" refString="MARTIN J. E., SUTEETHORN S., LAUPRASERT K., TONG H., BUFFETAUT E., LIARD R., SALAVIALE C., DEESRI U., SUTEETHORN V. & CLAUDE J. 2019 a. - A new freshwater teleosaurid from the Jurassic of northeastern Thailand. Journal of Vertebrate Paleontology 38 (6): e 1549059. https: // doi. org / 10.1080 / 02724634.2018. 1549059" type="journal article" year="2019">
|
|||
|
|
Martin
|
|||
|
|
<emphasis id="B9573B721D5FFF94FC8F937BFCA4563F" box="[813,865,311,337]" italics="true" pageId="99" pageNumber="232">et al.</emphasis>
|
|||
|
|
2019a
|
|||
|
|
</bibRefCitation>
|
|||
|
|
)
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FC609374FB3E563F" baseAuthorityName="Berckhemer" baseAuthorityYear="1929" box="[962,1275,311,337]" class="Reptilia" family="Teleosauridae" genus="Platysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="multiscrobiculatus">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FC609374FB3E563F" box="[962,1275,311,337]" italics="true" pageId="99" pageNumber="232">Platysuchus multiscrobiculatus</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FAA8937BFC42561F" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="edwardsi">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FAA8937BFC42561F" italics="true" pageId="99" pageNumber="232">Neosteneosaurus edwardsi</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
, and
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FC1C9314FB7D561F" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[958,1208,343,369]" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="obtusidens">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FC1C9314FB7D561F" box="[958,1208,343,369]" italics="true" pageId="99" pageNumber="232">Lemmysuchus obtusidens</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
. Like in other teleosauroids, the pubic peduncle of
|
|||
|
|
<emphasis id="B9573B721D5FFF94FBD39334FAD856FF" box="[1137,1309,375,401]" italics="true" pageId="99" pageNumber="232">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D5FFF94FAE59334FA6A56FF" box="[1351,1455,375,401]" italics="true" pageId="99" pageNumber="232">bouchardi</emphasis>
|
|||
|
|
is more ventrally located than the ischial peduncle, which gives an undulating aspect to the ventral margin of the ilium. In ventral view, the pubic peduncle of
|
|||
|
|
<emphasis id="B9573B721D5FFF94FB439395FA4B569E" box="[1249,1422,470,496]" italics="true" pageId="99" pageNumber="232">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D5FFF94FC8F93B5FC53557E" box="[813,918,502,528]" italics="true" pageId="99" pageNumber="232">bouchardi</emphasis>
|
|||
|
|
shows an overall constant thickness throughout its length, and displays the typical lunate or wedge-shaped outline found in other teleosauroids but with a smaller concavity. Like in
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FC759015FB4D551E" authority="Von Meyer, 1845" authorityName="Von Meyer" authorityYear="1845" box="[983,1160,598,624]" genus="Sericodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="jugleri">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FC759015FB4D551E" box="[983,1160,598,624]" italics="true" pageId="99" pageNumber="232">Sericodon jugleri</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
, the posterior edge of the pubic peduncle of
|
|||
|
|
<emphasis id="B9573B721D5FFF94FC5F9035FB6255FE" box="[1021,1191,630,656]" italics="true" pageId="99" pageNumber="232">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D5FFF94FB739035FAFC55FE" box="[1233,1337,630,656]" italics="true" pageId="99" pageNumber="232">bouchardi</emphasis>
|
|||
|
|
is concave where is transitions to the acetabular perforation. On the lateral side of the ilium, the outline of the pubic peduncle of
|
|||
|
|
<emphasis id="B9573B721D5FFF94FC8E9096FC135581" box="[812,982,725,751]" italics="true" pageId="99" pageNumber="232">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D5FFF94FC5D9096FBA25581" box="[1023,1127,725,751]" italics="true" pageId="99" pageNumber="232">bouchardi</emphasis>
|
|||
|
|
draws two adjacent triangular shapes with the posterior one being the greatest, as in other teleosauroids. However, unlike in
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FB029155FA6D5441" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" box="[1184,1448,789,815]" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="edwardsi">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FB029155FA6D5441" box="[1184,1448,789,815]" italics="true" pageId="99" pageNumber="232">Neosteneosaurus edwardsi</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FC8F9176FBF15421" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[813,1076,821,847]" genus="Charitomenosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="leedsi">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FC8F9176FBF15421" box="[813,1076,821,847]" italics="true" pageId="99" pageNumber="232">Charitomenosuchus leedsi</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
and
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FBC99176FADD5421" authority="Von Meyer, 1845" authorityName="Von Meyer" authorityYear="1845" box="[1131,1304,821,847]" genus="Sericodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="jugleri">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FBC99176FADD5421" box="[1131,1304,821,847]" italics="true" pageId="99" pageNumber="232">Sericodon jugleri</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
, the posterior triangular shape of the pubic peduncle of
|
|||
|
|
<emphasis id="B9573B721D5FFF94FAA79116FA745401" box="[1285,1457,853,879]" italics="true" pageId="99" pageNumber="232">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D5FFF94FCED9136FC7254E1" box="[847,951,885,911]" italics="true" pageId="99" pageNumber="232">bouchardi</emphasis>
|
|||
|
|
is comparatively dorsoventrally squashed, and hence is shorter than the ischial peduncle.
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph id="8B9CE7601D5FFF94FCE191F6FBC05142" blockId="99.[810,1458,215,2028]" pageId="99" pageNumber="232">
|
|||
|
|
Laterally, the ischial peduncle of
|
|||
|
|
<emphasis id="B9573B721D5FFF94FB3191F6FAFC54A1" box="[1171,1337,949,975]" italics="true" pageId="99" pageNumber="232">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D5FFF94FAFC91F6FC8E5480" italics="true" pageId="99" pageNumber="232">bouchardi</emphasis>
|
|||
|
|
displays an overall triangular outline, with the dorsal apex posteriorly shifted as in other teleosauroids (
|
|||
|
|
<emphasis id="B9573B721D5FFF94FA8691B6FCAA5340" italics="true" pageId="99" pageNumber="232">
|
|||
|
|
e.g
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FAEB91B7FCAA5340" authority="Von Meyer, 1845" authorityName="Von Meyer" authorityYear="1845" genus="Sericodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="jugleri">Sericodon jugleri</taxonomicName>
|
|||
|
|
</emphasis>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FCD99657FA6C5340" authority="(Martin et al. 2019 a)" baseAuthorityName="Martin" baseAuthorityYear="2019" box="[891,1449,1044,1070]" family="Teleosauridae" genus="Indosinosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="potamosiamensis">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FCD99657FB015340" box="[891,1220,1044,1070]" italics="true" pageId="99" pageNumber="232">Indosinosuchus potamosiamensis</emphasis>
|
|||
|
|
(
|
|||
|
|
<bibRefCitation id="EFB29A911D5FFF94FB719657FA645340" author="MARTIN J. E. & SUTEETHORN S. & LAUPRASERT K. & TONG H. & BUFFETAUT E. & LIARD R. & SALAVIALE C. & DEESRI U. & SUTEETHORN V. & CLAUDE J." box="[1235,1441,1044,1070]" pageId="99" pageNumber="232" pagination="1549059" refId="ref114053" refString="MARTIN J. E., SUTEETHORN S., LAUPRASERT K., TONG H., BUFFETAUT E., LIARD R., SALAVIALE C., DEESRI U., SUTEETHORN V. & CLAUDE J. 2019 a. - A new freshwater teleosaurid from the Jurassic of northeastern Thailand. Journal of Vertebrate Paleontology 38 (6): e 1549059. https: // doi. org / 10.1080 / 02724634.2018. 1549059" type="journal article" year="2019">
|
|||
|
|
Martin
|
|||
|
|
<emphasis id="B9573B721D5FFF94FA879656FA925340" box="[1317,1367,1044,1070]" italics="true" pageId="99" pageNumber="232">et al.</emphasis>
|
|||
|
|
2019a
|
|||
|
|
</bibRefCitation>
|
|||
|
|
)
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FC8F9677FBE25320" authority="(Jager, 1828)" authorityName="(Jager)" baseAuthorityName="Jager" baseAuthorityYear="1828" box="[813,1063,1076,1102]" class="Reptilia" family="Teleosauridae" genus="Macrospondylus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="bollensis">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FC8F9677FBE25320" box="[813,1063,1076,1102]" italics="true" pageId="99" pageNumber="232">Macrospondylus bollensis</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FB969677FAF35320" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[1076,1334,1076,1102]" genus="Charitomenosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="leedsi">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FB969677FAF35320" box="[1076,1334,1076,1102]" italics="true" pageId="99" pageNumber="232">Charitomenosuchus leedsi</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FAE09676FC135300" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="edwardsi">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FAE09676FC135300" italics="true" pageId="99" pageNumber="232">Neosteneosaurus edwardsi</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FC459617FB2B5300" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[999,1262,1108,1134]" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="obtusidens">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FC459617FB2B5300" box="[999,1262,1108,1134]" italics="true" pageId="99" pageNumber="232">Lemmysuchus obtusidens</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
). Posteriorly, the ischial peduncle gradually protrudes laterally from the rest of the ilium, forming the posterior barrier of the acetabulum. The ventral surface of the ischial peduncle of
|
|||
|
|
<emphasis id="B9573B721D5FFF94FAA696F7FA6853A0" box="[1284,1453,1204,1230]" italics="true" pageId="99" pageNumber="232">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D5FFF94FCEF9697FC705380" box="[845,949,1236,1262]" italics="true" pageId="99" pageNumber="232">bouchardi</emphasis>
|
|||
|
|
forms a sinusoidal shape which dealigns it with the ventral margin of the pubic peduncle and gives the ventral margin of the ilium its undulating aspect. In ventral view, the ischial peduncle of
|
|||
|
|
<emphasis id="B9573B721D5FFF94FC5C9770FB6D5223" box="[1022,1192,1331,1357]" italics="true" pageId="99" pageNumber="232">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D5FFF94FB729770FAFD5223" box="[1232,1336,1331,1357]" italics="true" pageId="99" pageNumber="232">bouchardi</emphasis>
|
|||
|
|
also shows a subtly lunate outline like the pubic peduncle. Its mediolateral thickness is overall constant for the first anterior 2/3 of its lengths, then it gradually increases posteriorly to reach 150% of its anterior thickness at its peak. The maximum mediolateral thickness and anteroposterior length of the ischial peduncle of
|
|||
|
|
<emphasis id="B9573B721D5FFF94FCEE97B0FC3C5163" box="[844,1017,1523,1549]" italics="true" pageId="99" pageNumber="232">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D5FFF94FB8797B0FB4B5163" box="[1061,1166,1523,1549]" italics="true" pageId="99" pageNumber="232">bouchardi</emphasis>
|
|||
|
|
exceed the dimensions of the pubic peduncle.
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph id="8B9CE7601D5FFF94FCE19471FA755005" blockId="99.[810,1458,215,2028]" pageId="99" pageNumber="232">
|
|||
|
|
The acetabular perforation of
|
|||
|
|
<emphasis id="B9573B721D5FFF94FBD89471FAE65122" box="[1146,1315,1586,1612]" italics="true" pageId="99" pageNumber="232">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D5FFF94FAEA9471FA6A5122" box="[1352,1455,1586,1612]" italics="true" pageId="99" pageNumber="232">bouchardi</emphasis>
|
|||
|
|
forms a shallow notch (about five times longer anteroposteriorly than deep) separating the pubic and ischial peduncles, similarly to most teleosauroids (except
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FB3D94D1FA8F51C2" authority="Von Meyer, 1845" authorityName="Von Meyer" authorityYear="1845" box="[1183,1354,1682,1708]" genus="Sericodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="jugleri">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FB3D94D1FA8F51C2" box="[1183,1354,1682,1708]" italics="true" pageId="99" pageNumber="232">Sericodon jugleri</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
in which it is enlarged). The acetabular perforation of
|
|||
|
|
<emphasis id="B9573B721D5FFF94FAA694F1FA6B51A2" box="[1284,1454,1714,1740]" italics="true" pageId="99" pageNumber="232">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D5FFF94FCED9491FC725182" box="[847,951,1746,1772]" italics="true" pageId="99" pageNumber="232">bouchardi</emphasis>
|
|||
|
|
is most similar to
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FB2B9491FA575182" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[1161,1426,1746,1772]" genus="Charitomenosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="leedsi">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FB2B9491FA575182" box="[1161,1426,1746,1772]" italics="true" pageId="99" pageNumber="232">Charitomenosuchus leedsi</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
in terms of size (and possibly
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FB9F94B1FAF15062" authority="(Jager, 1828)" authorityName="(Jager)" baseAuthorityName="Jager" baseAuthorityYear="1828" box="[1085,1332,1778,1804]" class="Reptilia" family="Teleosauridae" genus="Macrospondylus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="bollensis">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FB9F94B1FAF15062" box="[1085,1332,1778,1804]" italics="true" pageId="99" pageNumber="232">Macrospondylus bollensis</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
). However, it contrasts with
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FC419551FB2E5042" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" box="[995,1259,1810,1836]" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="edwardsi">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FC419551FB2E5042" box="[995,1259,1810,1836]" italics="true" pageId="99" pageNumber="232">Neosteneosaurus edwardsi</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
and
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FA809551FC5F5025" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="obtusidens">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FA809551FC5F5025" italics="true" pageId="99" pageNumber="232">Lemmysuchus obtusidens</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
in being less extented anteroposteriorly, which brings the pubic and ischial peduncles close to one another.
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph id="8B9CE7601D5FFF92FCE19532FE25551E" blockId="99.[810,1458,215,2028]" lastBlockId="101.[130,777,215,624]" lastPageId="101" lastPageNumber="234" pageId="99" pageNumber="232">
|
|||
|
|
The attachment sites for the sacral ribs form two distinct impressions on the medial side of the ilium of
|
|||
|
|
<emphasis id="B9573B721D5FFF94FAA495D2FA6850C5" box="[1286,1453,1937,1963]" italics="true" pageId="99" pageNumber="232">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D5FFF94FCEC95F2FC7350A5" box="[846,950,1969,1995]" italics="true" pageId="99" pageNumber="232">bouchardi</emphasis>
|
|||
|
|
, as in most teleosauroids (except
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FA8095F2FC505085" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="species" species="obtusidens">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FA8095F2FC505085" italics="true" pageId="99" pageNumber="232">Lemmysuchus obtusidens</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
and
|
|||
|
|
<taxonomicName id="4C239CE31D5FFF94FC659592FBAC5085" authorityName="SPP. VON MEYER" authorityYear="1837" box="[967,1129,2001,2027]" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="99" pageNumber="232" phylum="Chordata" rank="genus">
|
|||
|
|
<emphasis id="B9573B721D5FFF94FC659592FBAC5085" box="[967,1129,2001,2027]" italics="true" pageId="99" pageNumber="232">Machimosaurus</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
in which there are three). Their shape is also similar to what is observed in most teleosauroids; the attachment sites for the sacral ribs are bell-shaped (i.e. their dorsal and ventral margins are convex) with their apex meeting around the centre of the ilium and their greatest axis oriented anteroposteriorly. Each print possesses a strongly protruding excrescence near its apex, which was inserted in the hollow tip of the sacral rib. The dorsal margin of the attachment site of the second sacral rib reaches the apex of the postacetabular process and divides it in half, whereas the dorsal margin of the attachment site of the first sacral rib is in line with the ventral margin of the preacetabular process. In comparison, the ventral margin both attachment sites reach each ventral corner of the ilium.
|
|||
|
|
</paragraph>
|
|||
|
|
<caption id="DF5CB7E81D58FF93FF2695E8FE945087" ID-DOI="http://doi.org/10.5281/zenodo.11106706" ID-Zenodo-Dep="11106706" httpUri="https://zenodo.org/record/11106706/files/figure.png" pageId="100" pageNumber="233" startId="100.[132,143,1963,1980]" targetBox="[143,1443,216,1860]" targetPageId="100" targetType="figure">
|
|||
|
|
<paragraph id="8B9CE7601D58FF93FF2695E8FE945087" blockId="100.[132,1457,1963,2025]" pageId="100" pageNumber="233">
|
|||
|
|
<smallCapsWord id="8D7A71BC1D58FF93FF2695E8FF5850D5" baselines="1976,1976" box="[132,157,1963,1980]" lowerCaseFontSize="5" mainFontSize="7" normCase="title" normString="Fig" pageId="100" pageNumber="233">FIG</smallCapsWord>
|
|||
|
|
. 50. — Pelvic girdle elements of
|
|||
|
|
<emphasis id="B9573B721D58FF93FE0C95E8FD8750D2" box="[430,578,1963,1980]" italics="true" pageId="100" pageNumber="233">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D58FF93FDC295E8FD7150D2" box="[608,692,1963,1980]" italics="true" pageId="100" pageNumber="233">bouchardi</emphasis>
|
|||
|
|
(
|
|||
|
|
<bibRefCitation id="EFB29A911D58FF93FD1F95E8FCFB50D2" author="SAUVAGE H. E." box="[701,830,1963,1980]" pageId="100" pageNumber="233" pagination="178 - 180" refId="ref115921" refString="SAUVAGE H. E. 1872. - Sur quelques especes de Steneosaures provenant des assises jurassiques superieures de Boulogne-sur-mer. Bulletin de la Societe philomathique de Paris, serie 6, IX: 178 - 180. https: // www. biodiversitylibrary. org / page / 31641254" type="journal article" year="1872">Sauvage, 1872</bibRefCitation>
|
|||
|
|
),
|
|||
|
|
<collectionCode id="ED327FA51D58FF93FCEB95E8FCB850D2" box="[841,893,1963,1980]" pageId="100" pageNumber="233">MJSN</collectionCode>
|
|||
|
|
SCR010-374:
|
|||
|
|
<emphasis id="B9573B721D58FF93FC5595E8FBC150D2" bold="true" box="[1015,1028,1963,1980]" pageId="100" pageNumber="233">A</emphasis>
|
|||
|
|
, left ilium in lateral view;
|
|||
|
|
<emphasis id="B9573B721D58FF93FB7195E8FB2550D2" bold="true" box="[1235,1248,1963,1980]" pageId="100" pageNumber="233">B</emphasis>
|
|||
|
|
, left ilium in medial view;
|
|||
|
|
<emphasis id="B9573B721D58FF93FF269581FF5750BD" bold="true" box="[132,146,1986,2003]" pageId="100" pageNumber="233">C</emphasis>
|
|||
|
|
, right ischium in medial view;
|
|||
|
|
<emphasis id="B9573B721D58FF93FE369581FE6750BD" bold="true" box="[404,418,1986,2003]" pageId="100" pageNumber="233">D</emphasis>
|
|||
|
|
, right ischium in lateral view. Arrow points anteriorly. Original models courtesy of Dr Jeremy Anquetin (Jurassica MuseumMJSN). Scale bar: 1 cm.
|
|||
|
|
</paragraph>
|
|||
|
|
</caption>
|
|||
|
|
<paragraph id="8B9CE7601D59FF92FF2690D5FF1055DE" blockId="101.[132,213,662,688]" box="[132,213,662,688]" pageId="101" pageNumber="234">
|
|||
|
|
<heading id="D0D4500C1D59FF92FF2690D5FF1055DE" box="[132,213,662,688]" fontSize="11" level="2" pageId="101" pageNumber="234" reason="8">
|
|||
|
|
<emphasis id="B9573B721D59FF92FF2690D5FF1055DE" box="[132,213,662,688]" italics="true" pageId="101" pageNumber="234">Ischium</emphasis>
|
|||
|
|
</heading>
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph id="8B9CE7601D59FF92FF2690F6FD06547E" blockId="101.[130,777,693,2028]" pageId="101" pageNumber="234">
|
|||
|
|
The ischium of
|
|||
|
|
<emphasis id="B9573B721D59FF92FE9790F6FE1A55A1" box="[309,479,693,719]" italics="true" pageId="101" pageNumber="234">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D59FF92FDAB90F6FDB455A1" box="[521,625,693,719]" italics="true" pageId="101" pageNumber="234">bouchardi</emphasis>
|
|||
|
|
(
|
|||
|
|
<figureCitation id="1318FBE51D59FF92FD2090F6FD1755BE" box="[642,722,693,720]" captionStart="FIG" captionStartId="100.[132,143,1963,1980]" captionTargetBox="[143,1443,216,1860]" captionTargetId="figure-17@100.[154,1444,263,1861]" captionTargetPageId="100" captionText="FIG. 50. — Pelvic girdle elements of Proexochokefalos cf. bouchardi (Sauvage, 1872), MJSN SCR010-374: A, left ilium in lateral view; B, left ilium in medial view; C, right ischium in medial view; D, right ischium in lateral view. Arrow points anteriorly. Original models courtesy of Dr Jeremy Anquetin (Jurassica Museum- MJSN). Scale bar: 1 cm." figureDoi="http://doi.org/10.5281/zenodo.11106706" httpUri="https://zenodo.org/record/11106706/files/figure.png" pageId="101" pageNumber="234">Figs 50</figureCitation>
|
|||
|
|
;
|
|||
|
|
<figureCitation id="1318FBE51D59FF92FD4090F6FD3B55BE" box="[738,766,693,720]" captionStart="FIG" captionStartId="102.[132,143,1714,1731]" captionTargetBox="[132,1456,204,1702]" captionTargetId="figure-128@102.[121,1466,256,1691]" captionTargetPageId="102" captionText="FIG. 51. — Pelvic reconstruction of Proexochokefalos cf. bouchardi (Sauvage,1872),MJSN SCR010-374: A, lateral view;B, anterior view;C, ventral view;D, dor- sal view. Arrow points anteriorly. Target indicates anterior. The right ilium and left ischium mirrored. Original models courtesy of Dr Jeremy Anquetin (Jurassica Museum-MJSN). Scale bar: 5 cm." figureDoi="http://doi.org/10.5281/zenodo.11106708" httpUri="https://zenodo.org/record/11106708/files/figure.png" pageId="101" pageNumber="234">51</figureCitation>
|
|||
|
|
) displays a relatively slender shaft, similar to
|
|||
|
|
<taxonomicName id="4C239CE31D59FF92FDD19096FF145461" authority="(Andrews, 1909)" authorityName="(Andrews)" authorityYear="1909" baseAuthorityName="Andrews" baseAuthorityYear="1909" family="Teleosauridae" genus="Mycterosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="101" pageNumber="234" phylum="Chordata" rank="species" species="nasutus">
|
|||
|
|
<emphasis id="B9573B721D59FF92FDD19096FF145461" italics="true" pageId="101" pageNumber="234">Mycterosuchus nasutus</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D59FF92FF7D90B6FEBE547E" box="[223,379,757,784]" class="Reptilia" family="Teleosauridae" genus="Teleosaurus" kingdom="Animalia" order="Crocodylia" pageId="101" pageNumber="234" phylum="Chordata" rank="species" species="undetermined">
|
|||
|
|
<emphasis id="B9573B721D59FF92FF7D90B6FE965461" box="[223,339,757,783]" italics="true" pageId="101" pageNumber="234">Teleosaurus</emphasis>
|
|||
|
|
sp.
|
|||
|
|
</taxonomicName>
|
|||
|
|
, and
|
|||
|
|
<taxonomicName id="4C239CE31D59FF92FE1490B6FD785461" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[438,701,757,783]" genus="Charitomenosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="101" pageNumber="234" phylum="Chordata" rank="species" species="leedsi">
|
|||
|
|
<emphasis id="B9573B721D59FF92FE1490B6FD785461" box="[438,701,757,783]" italics="true" pageId="101" pageNumber="234">Charitomenosuchus leedsi</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
.
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph id="8B9CE7601D59FF92FF399155FCC45240" blockId="101.[130,777,693,2028]" pageId="101" pageNumber="234">
|
|||
|
|
However, the ischium of
|
|||
|
|
<emphasis id="B9573B721D59FF92FE1D9156FDB55441" box="[447,624,789,815]" italics="true" pageId="101" pageNumber="234">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D59FF92FD399156FCC35441" box="[667,774,789,815]" italics="true" pageId="101" pageNumber="234">bouchardi</emphasis>
|
|||
|
|
drastically differs from these taxa (and other teleosauroids) in displaying a rather gracile outline. The anterior and posterior margins of the ischium of
|
|||
|
|
<emphasis id="B9573B721D59FF92FE0A9136FD9554E1" box="[424,592,885,911]" italics="true" pageId="101" pageNumber="234">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D59FF92FDDB9136FD1A54E1" box="[633,735,885,911]" italics="true" pageId="101" pageNumber="234">bouchardi</emphasis>
|
|||
|
|
are both concave with a relatively great amplitude, resulting in a more ventrally stretched ischium. Furthermore, both anterior and posterior margins have their apex located around their mid-length which contributes to their symmetrically concave aspect throughout their length and overall stretched look. The anterior margin of other teleosauroids is often symmetrically concave (i.e. the apex is located at the mid-length of the margin; e.g.
|
|||
|
|
<taxonomicName id="4C239CE31D59FF92FF269637FEE053E0" box="[132,293,1140,1166]" class="Reptilia" family="Teleosauridae" genus="Aeolodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="101" pageNumber="234" phylum="Chordata" rank="species" species="priscus">
|
|||
|
|
<emphasis id="B9573B721D59FF92FF269637FEE053E0" box="[132,293,1140,1166]" italics="true" pageId="101" pageNumber="234">Aeolodon priscus</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D59FF92FE939637FD9953E0" baseAuthorityName="Berckhemer" baseAuthorityYear="1929" box="[305,604,1140,1166]" class="Reptilia" family="Teleosauridae" genus="Platysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="101" pageNumber="234" phylum="Chordata" rank="species" species="multiscrobiculatus">
|
|||
|
|
<emphasis id="B9573B721D59FF92FE939637FD9953E0" box="[305,604,1140,1166]" italics="true" pageId="101" pageNumber="234">Platysuchus multiscrobiculatus</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D59FF92FDCA9637FF1253C0" authority="(Jager, 1828)" authorityName="(Jager)" baseAuthorityName="Jager" baseAuthorityYear="1828" class="Reptilia" family="Teleosauridae" genus="Macrospondylus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="101" pageNumber="234" phylum="Chordata" rank="species" species="bollensis">
|
|||
|
|
<emphasis id="B9573B721D59FF92FDCA9637FF1253C0" italics="true" pageId="101" pageNumber="234">Macrospondylus bollensis</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D59FF92FF4496D7FE2E53C0" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[230,491,1172,1198]" genus="Charitomenosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="101" pageNumber="234" phylum="Chordata" rank="species" species="leedsi">
|
|||
|
|
<emphasis id="B9573B721D59FF92FF4496D7FE2E53C0" box="[230,491,1172,1198]" italics="true" pageId="101" pageNumber="234">Charitomenosuchus leedsi</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D59FF92FE5896D6FCC553C0" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" box="[506,768,1172,1198]" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="101" pageNumber="234" phylum="Chordata" rank="species" species="edwardsi">
|
|||
|
|
<emphasis id="B9573B721D59FF92FE5896D6FCC553C0" box="[506,768,1172,1198]" italics="true" pageId="101" pageNumber="234">Neosteneosaurus edwardsi</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D59FF92FF2696F7FEBA53A0" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[132,383,1204,1230]" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="101" pageNumber="234" phylum="Chordata" rank="species" species="obtusidens">
|
|||
|
|
<emphasis id="B9573B721D59FF92FF2696F7FEBA53A0" box="[132,383,1204,1230]" italics="true" pageId="101" pageNumber="234">Lemmysuchus obtusidens</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
), but it is not always the case for the posterior margin. Comparatively,
|
|||
|
|
<taxonomicName id="4C239CE31D59FF92FE449697FF645263" baseAuthorityName="Berckhemer" baseAuthorityYear="1929" class="Reptilia" family="Teleosauridae" genus="Platysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="101" pageNumber="234" phylum="Chordata" rank="species" species="multiscrobiculatus">
|
|||
|
|
<emphasis id="B9573B721D59FF92FE449697FF645263" italics="true" pageId="101" pageNumber="234">Platysuchus multiscrobiculatus</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
and
|
|||
|
|
<taxonomicName id="4C239CE31D59FF92FF7B96B0FE105263" authority="(Jager, 1828)" authorityName="(Jager)" baseAuthorityName="Jager" baseAuthorityYear="1828" box="[217,469,1267,1293]" class="Reptilia" family="Teleosauridae" genus="Macrospondylus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="101" pageNumber="234" phylum="Chordata" rank="species" species="bollensis">
|
|||
|
|
<emphasis id="B9573B721D59FF92FF7B96B0FE105263" box="[217,469,1267,1293]" italics="true" pageId="101" pageNumber="234">Macrospondylus bollensis</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
also display a symmetrically concave posterior margin like
|
|||
|
|
<emphasis id="B9573B721D59FF92FE679750FDA85243" box="[453,621,1299,1325]" italics="true" pageId="101" pageNumber="234">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D59FF92FD369750FD3F5243" box="[660,762,1299,1325]" italics="true" pageId="101" pageNumber="234">bouchardi</emphasis>
|
|||
|
|
.
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph id="8B9CE7601D59FF92FF399770FE295062" blockId="101.[130,777,693,2028]" pageId="101" pageNumber="234">
|
|||
|
|
Proximally, the shaft of
|
|||
|
|
<emphasis id="B9573B721D59FF92FE289770FDEA5223" box="[394,559,1331,1357]" italics="true" pageId="101" pageNumber="234">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D59FF92FDF69770FD7C5223" box="[596,697,1331,1357]" italics="true" pageId="101" pageNumber="234">bouchardi</emphasis>
|
|||
|
|
widens to form the anterior and posterior peduncles. The latter has an overall circular outline and has a bulged rim around its lateral edge whereas the rim becomes thinner medially. The dorsal surface of the posterior peduncle is separated into a wedgeshaped surface medially and a trapezoid-shaped surface laterally through a faintly protruding ridge. The lateral surface – which is involved in the hip acetabulum– is dorsally facing, which is similar to the Machimosaurinae members
|
|||
|
|
<taxonomicName id="4C239CE31D59FF92FF249410FE465102" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" box="[134,387,1618,1644]" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="101" pageNumber="234" phylum="Chordata" rank="species" species="edwardsi">
|
|||
|
|
<emphasis id="B9573B721D59FF92FF249410FE465102" box="[134,387,1618,1644]" italics="true" pageId="101" pageNumber="234">Neosteneosaurus edwardsi</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
and
|
|||
|
|
<taxonomicName id="4C239CE31D59FF92FE139411FD605102" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[433,677,1618,1644]" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="101" pageNumber="234" phylum="Chordata" rank="species" species="obtusidens">
|
|||
|
|
<emphasis id="B9573B721D59FF92FE139411FD605102" box="[433,677,1618,1644]" italics="true" pageId="101" pageNumber="234">Lemmysuchus obtusidens</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
. Another common trait between
|
|||
|
|
<emphasis id="B9573B721D59FF92FE2D9431FDFB51E2" box="[399,574,1650,1676]" italics="true" pageId="101" pageNumber="234">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D59FF92FDC89431FD1051E2" box="[618,725,1650,1676]" italics="true" pageId="101" pageNumber="234">bouchardi</emphasis>
|
|||
|
|
and
|
|||
|
|
<taxonomicName id="4C239CE31D59FF92FF2694D0FE4851C2" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" box="[132,397,1682,1708]" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="101" pageNumber="234" phylum="Chordata" rank="species" species="edwardsi">
|
|||
|
|
<emphasis id="B9573B721D59FF92FF2694D0FE4851C2" box="[132,397,1682,1708]" italics="true" pageId="101" pageNumber="234">Neosteneosaurus edwardsi</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
and
|
|||
|
|
<taxonomicName id="4C239CE31D59FF92FE6794D1FD0051C2" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[453,709,1682,1708]" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="101" pageNumber="234" phylum="Chordata" rank="species" species="obtusidens">
|
|||
|
|
<emphasis id="B9573B721D59FF92FE6794D1FD0051C2" box="[453,709,1682,1708]" italics="true" pageId="101" pageNumber="234">Lemmysuchus obtusidens</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
is the relative size of each dorsal surface of the posterior peduncle: both surfaces appear to have similar dimensions, although the medial one is slightly smaller.
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph id="8B9CE7601D59FF92FF399551FAE8569F" blockId="101.[130,777,693,2028]" lastBlockId="101.[811,1457,215,1262]" pageId="101" pageNumber="234">
|
|||
|
|
The anterior peduncle of
|
|||
|
|
<emphasis id="B9573B721D59FF92FE629551FDB55042" box="[448,624,1810,1836]" italics="true" pageId="101" pageNumber="234">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D59FF92FD3E9551FCC25042" box="[668,775,1810,1836]" italics="true" pageId="101" pageNumber="234">bouchardi</emphasis>
|
|||
|
|
strongly differs from that of other teleosauroids as it presents a sharp extremity pointing strictly anteriorly, which resembles an isosceles triangle in lateral and dorsal views. Furthermore, the articular facet of the anterior peduncle of
|
|||
|
|
<emphasis id="B9573B721D59FF92FDFE95D2FCC050C5" box="[604,773,1937,1963]" italics="true" pageId="101" pageNumber="234">Proexochokefalos</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<emphasis id="B9573B721D59FF92FF0495F2FECB50A5" box="[166,270,1969,1995]" italics="true" pageId="101" pageNumber="234">bouchardi</emphasis>
|
|||
|
|
is mainly oriented dorsally, with an additional small surface present on the underside, laterally, which presumably met with the peduncle of the pubis. This strongly contrasts with the slightly convex articular surface mainly anteriorly facing found in other teleosauroids (e.g.
|
|||
|
|
<taxonomicName id="4C239CE31D59FF92FAF39354FCB4563F" class="Reptilia" family="Teleosauridae" genus="Aeolodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="101" pageNumber="234" phylum="Chordata" rank="species" species="priscus">
|
|||
|
|
<emphasis id="B9573B721D59FF92FAF39354FCB4563F" italics="true" pageId="101" pageNumber="234">Aeolodon priscus</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D59FF92FCDF9374FBD2563F" box="[893,1047,311,337]" class="Reptilia" family="Teleosauridae" genus="Teleosaurus" kingdom="Animalia" order="Crocodylia" pageId="101" pageNumber="234" phylum="Chordata" rank="species" species="undetermined">
|
|||
|
|
<emphasis id="B9573B721D59FF92FCDF9374FC34563F" box="[893,1009,311,337]" italics="true" pageId="101" pageNumber="234">Teleosaurus</emphasis>
|
|||
|
|
sp.
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D59FF92FB839374FC17561F" authority="(Martin et al. 2019 a)" baseAuthorityName="Martin" baseAuthorityYear="2019" family="Teleosauridae" genus="Indosinosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="101" pageNumber="234" phylum="Chordata" rank="species" species="potamosiamensis">
|
|||
|
|
<emphasis id="B9573B721D59FF92FB839374FAAF563F" box="[1057,1386,311,337]" italics="true" pageId="101" pageNumber="234">Indosinosuchus potamosiamensis</emphasis>
|
|||
|
|
(
|
|||
|
|
<bibRefCitation id="EFB29A911D59FF92FADA9374FC0E561F" author="MARTIN J. E. & SUTEETHORN S. & LAUPRASERT K. & TONG H. & BUFFETAUT E. & LIARD R. & SALAVIALE C. & DEESRI U. & SUTEETHORN V. & CLAUDE J." pageId="101" pageNumber="234" pagination="1549059" refId="ref114053" refString="MARTIN J. E., SUTEETHORN S., LAUPRASERT K., TONG H., BUFFETAUT E., LIARD R., SALAVIALE C., DEESRI U., SUTEETHORN V. & CLAUDE J. 2019 a. - A new freshwater teleosaurid from the Jurassic of northeastern Thailand. Journal of Vertebrate Paleontology 38 (6): e 1549059. https: // doi. org / 10.1080 / 02724634.2018. 1549059" type="journal article" year="2019">
|
|||
|
|
Martin
|
|||
|
|
<emphasis id="B9573B721D59FF92FCF2931BFC47561F" box="[848,898,343,369]" italics="true" pageId="101" pageNumber="234">et al.</emphasis>
|
|||
|
|
2019a
|
|||
|
|
</bibRefCitation>
|
|||
|
|
)
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D59FF92FC7C9314FB1E561F" authority="(Jager, 1828)" authorityName="(Jager)" baseAuthorityName="Jager" baseAuthorityYear="1828" box="[990,1243,343,369]" class="Reptilia" family="Teleosauridae" genus="Macrospondylus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="101" pageNumber="234" phylum="Chordata" rank="species" species="bollensis">
|
|||
|
|
<emphasis id="B9573B721D59FF92FC7C9314FB1E561F" box="[990,1243,343,369]" italics="true" pageId="101" pageNumber="234">Macrospondylus bollensis</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D59FF92FB459314FCA656FF" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" genus="Charitomenosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="101" pageNumber="234" phylum="Chordata" rank="species" species="leedsi">
|
|||
|
|
<emphasis id="B9573B721D59FF92FB459314FCA656FF" italics="true" pageId="101" pageNumber="234">Charitomenosuchus leedsi</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName id="4C239CE31D59FF92FCCD9334FBB656FF" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" box="[879,1139,375,401]" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="101" pageNumber="234" phylum="Chordata" rank="species" species="edwardsi">
|
|||
|
|
<emphasis id="B9573B721D59FF92FCCD9334FBB656FF" box="[879,1139,375,401]" italics="true" pageId="101" pageNumber="234">Neosteneosaurus edwardsi</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
and
|
|||
|
|
<taxonomicName id="4C239CE31D59FF92FB079334FA6556FF" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[1189,1440,375,401]" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="101" pageNumber="234" phylum="Chordata" rank="species" species="obtusidens">
|
|||
|
|
<emphasis id="B9573B721D59FF92FB079334FA6556FF" box="[1189,1440,375,401]" italics="true" pageId="101" pageNumber="234">Lemmysuchus obtusidens</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
). Such a sharp anterior peduncle was found in some metriorhynchoids, like ‘
|
|||
|
|
<taxonomicName id="4C239CE31D59FF92FC4993F5FCF7569F" authority="LEICT G." authorityName="LEICT G." class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="101" pageNumber="234" phylum="Chordata" rank="species" species="brachyrhynchus">
|
|||
|
|
<emphasis id="B9573B721D59FF92FC4993F5FB4956BE" box="[1003,1164,438,464]" italics="true" pageId="101" pageNumber="234">Metriorhynchus</emphasis>
|
|||
|
|
’
|
|||
|
|
<emphasis id="B9573B721D59FF92FB3993F5FAFC56BE" box="[1179,1337,438,464]" italics="true" pageId="101" pageNumber="234">brachyrhynchus</emphasis>
|
|||
|
|
LEICT G.
|
|||
|
|
</taxonomicName>
|
|||
|
|
418.1956.13.5 and
|
|||
|
|
<taxonomicName id="4C239CE31D59FF92FBA99395FAE2569E" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" box="[1035,1319,470,496]" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="101" pageNumber="234" phylum="Chordata" rank="species" species="superciliosus">
|
|||
|
|
<emphasis id="B9573B721D59FF92FBA99395FAE2569E" box="[1035,1319,470,496]" italics="true" pageId="101" pageNumber="234">Thalattosuchus superciliosus</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
.
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph id="8B9CE7601D59FF92FCE193B5FB435441" blockId="101.[811,1457,215,1262]" pageId="101" pageNumber="234">
|
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The anterior and posterior peduncles are separated by the acetabular perforation.Like in most teleosauroids, the acetabular perforation of
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<emphasis id="B9573B721D59FF92FC579075FB64553E" box="[1013,1185,566,592]" italics="true" pageId="101" pageNumber="234">Proexochokefalos</emphasis>
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cf.
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<emphasis id="B9573B721D59FF92FB699075FAF1553E" box="[1227,1332,566,592]" italics="true" pageId="101" pageNumber="234">bouchardi</emphasis>
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is partially obstructed laterally by the peduncle bridge and, as a result, it is medially tilted. The dorsal margin of the peduncle bridge is markedly concave as it forms the base of the acetabular perforation. In comparison, the ventral margin of the peduncle bridge is straight. Laterally and medially, the peduncle bridge gradually widens and reaches its maximum width at its junction with the anterior peduncle.
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</paragraph>
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<paragraph id="8B9CE7601D59FF92FCE19176FB365380" blockId="101.[811,1457,215,1262]" pageId="101" pageNumber="234">
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Like
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<taxonomicName id="4C239CE31D59FF92FCDB9176FB745421" baseAuthorityName="Berckhemer" baseAuthorityYear="1929" box="[889,1201,821,847]" class="Reptilia" family="Teleosauridae" genus="Platysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="101" pageNumber="234" phylum="Chordata" rank="species" species="multiscrobiculatus">
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<emphasis id="B9573B721D59FF92FCDB9176FB745421" box="[889,1201,821,847]" italics="true" pageId="101" pageNumber="234">Platysuchus multiscrobiculatus</emphasis>
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</taxonomicName>
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and
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<taxonomicName id="4C239CE31D59FF92FB459176FA47543E" box="[1255,1410,821,848]" class="Reptilia" family="Teleosauridae" genus="Teleosaurus" kingdom="Animalia" order="Crocodylia" pageId="101" pageNumber="234" phylum="Chordata" rank="species" species="undetermined">
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<emphasis id="B9573B721D59FF92FB459176FA9E5421" box="[1255,1371,821,847]" italics="true" pageId="101" pageNumber="234">Teleosaurus</emphasis>
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sp.
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</taxonomicName>
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, the posterior process of
|
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<emphasis id="B9573B721D59FF92FBA59116FB745401" box="[1031,1201,853,879]" italics="true" pageId="101" pageNumber="234">Proexochokefalos</emphasis>
|
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cf.
|
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<emphasis id="B9573B721D59FF92FB7B9116FA845401" box="[1241,1345,853,879]" italics="true" pageId="101" pageNumber="234">bouchardi</emphasis>
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displays a tubular to subquadrangular shape, yet less slender. The posterior process of
|
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<emphasis id="B9573B721D59FF92FC4591D6FB5454C1" box="[999,1169,917,943]" italics="true" pageId="101" pageNumber="234">Proexochokefalos</emphasis>
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cf.
|
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<emphasis id="B9573B721D59FF92FB1991D6FAE654C1" box="[1211,1315,917,943]" italics="true" pageId="101" pageNumber="234">bouchardi</emphasis>
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is dorsoventrally thick throughout its length and its apex is rectangular with rounded corners and a subtly convex posterior edge. The ventral margin of the ischium of
|
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<emphasis id="B9573B721D59FF92FB7F91B7FA485360" box="[1245,1421,1012,1038]" italics="true" pageId="101" pageNumber="234">Proexochokefalos</emphasis>
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cf.
|
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<emphasis id="B9573B721D59FF92FC8F9657FC505340" box="[813,917,1044,1070]" italics="true" pageId="101" pageNumber="234">bouchardi</emphasis>
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appears to have been relatively straight but is not entirely preserved. The anterior process of
|
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<emphasis id="B9573B721D59FF92FB449677FA4A5320" box="[1254,1423,1076,1102]" italics="true" pageId="101" pageNumber="234">Proexochokefalos</emphasis>
|
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|
|
cf.
|
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|
|
<emphasis id="B9573B721D59FF92FC8F9617FC505300" box="[813,917,1108,1134]" italics="true" pageId="101" pageNumber="234">bouchardi</emphasis>
|
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|
|
is relatively short and extends as far anteriorly as the anterior peduncle as in other teleosauroids. The anterior process of
|
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<emphasis id="B9573B721D59FF92FC3F96D7FB8253C0" box="[925,1095,1172,1198]" italics="true" pageId="101" pageNumber="234">Proexochokefalos</emphasis>
|
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|
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cf.
|
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|
<emphasis id="B9573B721D59FF92FBCD96D7FB1253C0" box="[1135,1239,1172,1198]" italics="true" pageId="101" pageNumber="234">bouchardi</emphasis>
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points mainly anteriorly and forms an isosceles triangle with its slightly concave dorsal margin and straight ventral margin.
|
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</paragraph>
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</subSubSection>
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</treatment>
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</document>
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