711 lines
99 KiB
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711 lines
99 KiB
XML
<document id="DF93268812FC23C2459019CA85ACBC28" 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="038A56761D49FF8CFC8F91D5FE9C553F" 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="Machimosaurus SPP. VON MEYER 1837" docType="treatment" docVersion="4" lastPageNumber="254" masterDocId="FFB32E0E1D3CFFF7FFA29243FFC5576E" masterDocTitle="Form and function of the pelvic girdle of Thalattosuchia and Dyrosauridae (Crocodyliformes)" masterLastPageNumber="326" masterPageNumber="135" pageNumber="250" updateTime="1714681770497" updateUser="ExternalLinkService" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0">
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<mods:title id="FC9C6BF6AF8BF1C6E3DC9F920C65C66D">Form and function of the pelvic girdle of Thalattosuchia and Dyrosauridae (Crocodyliformes)</mods:title>
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<mods:namePart id="2A7315D90A015C0EF7DC7E84D89F399C">Scavezzoni, Isaure</mods:namePart>
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<mods:affiliation id="343CA0B8BE52CC8681F622487F358FBC">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="B7DB263623E6B432F4E2A9CCF04CD0DA" type="email">isaure.scavezzoni@gmail.com</mods:nameIdentifier>
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<mods:namePart id="592E631B151CDD05657D4A41DA08618E">Fischer, Valentin</mods:namePart>
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<mods:affiliation id="7A2773CAF338E9EEC2DE0DDC70EE8A2B">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="B19A0383B3A9F9C4689ABF0716E0B58A" type="email">v.fischer@uliege.be</mods:nameIdentifier>
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<mods:namePart id="372B4955DDED15853BA8232D4B938AD9">Johnson, Michela M.</mods:namePart>
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<mods:affiliation id="94081BE6D0A3A300BCCD5CC5134AC1AE">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="AA3B0177A96485F0816AFD2CC6478847" type="email">michela.johnson@smns-bw.de</mods:nameIdentifier>
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<mods:namePart id="2B48B94921FA193E3C2110EA974BE894">Jouve, Stéphane</mods:namePart>
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<mods:affiliation id="4979AAF8BA5655337867A1C390EE0735">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="38A76C82979D67BC338893C8B91E204B" type="email">stephane.jouve@sorbonne-universite.fr</mods:nameIdentifier>
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<mods:title id="276F905714F9EF052F958819AD1B8DB3">Geodiversitas</mods:title>
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<mods:date id="FA7575A079B2848DBDDFC080FF0413BD">2024</mods:date>
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<mods:url id="82E70B7F7A765BC164188D80DAEB8EB8">https://sciencepress.mnhn.fr/sites/default/files/articles/pdf/g2024v46a6.pdf</mods:url>
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<mods:identifier id="9FA8F91F1054E729ADBD114D314285B7" type="DOI">10.5252/geodiversitas2024v46a6</mods:identifier>
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<treatment id="038A56761D49FF8CFC8F91D5FE9C553F" ID-DOI="http://doi.org/10.5281/zenodo.11106293" ID-Zenodo-Dep="11106293" LSID="urn:lsid:plazi:treatment:038A56761D49FF8CFC8F91D5FE9C553F" httpUri="http://treatment.plazi.org/id/038A56761D49FF8CFC8F91D5FE9C553F" lastPageId="123" lastPageNumber="254" pageId="117" pageNumber="250">
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<subSubSection id="C339B4EB1D49FF82FC8F91D5FB2354C1" box="[813,1254,917,943]" pageId="117" pageNumber="250" type="nomenclature">
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<taxonomicName id="4C239CE31D49FF82FC8F91D5FB2354C1" authority="SPP. VON MEYER, 1837" authorityName="SPP. VON MEYER" authorityYear="1837" box="[813,1254,917,943]" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="117" pageNumber="250" phylum="Chordata" rank="genus">
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<emphasis id="B9573B721D49FF82FC8F91D5FC2654C3" box="[813,995,918,943]" italics="true" pageId="117" pageNumber="250">MACHIMOSAURUS</emphasis>
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.
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<bibRefCitation id="EFB29A911D49FF82FBBB91D6FB2354C1" author="VON MEYER H." box="[1049,1254,917,943]" pageId="117" pageNumber="250" pagination="557 - 562" refId="ref117146" refString="VON MEYER H. 1837. - Mittheilungen, an Professor Bronn gerichtet. Neues Jahrbuch fur Mineralogie, Geognosie, Geologie und Petrefaktenkunde 1837: 557 - 562. https: // www. biodiversitylibrary. org / page / 12137166" type="journal article" year="1837">
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<smallCapsWord id="8D7A71BC1D49FF82FBBB91D6FB8854C3" baselines="936,936" box="[1049,1101,917,943]" lowerCaseFontSize="8" mainFontSize="11" normCase="title" normString="Von" pageId="117" pageNumber="250">VON</smallCapsWord>
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, 1837
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</taxonomicName>
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<paragraph id="8B9CE7601D49FF82FC8F91F6FB5954A1" blockId="117.[811,1457,917,1517]" box="[813,1180,949,975]" pageId="117" pageNumber="250">
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For measurements, see
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<tableCitation id="C6A1D2DB1D49FF82FB8791F6FB5054A1" box="[1061,1173,949,975]" 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="117" pageNumber="250" 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="8B9CE7601D49FF82FCE19197FB815380" blockId="117.[811,1457,917,1517]" pageId="117" pageNumber="250">
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The number of species constituting the genus
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<taxonomicName id="4C239CE31D49FF82FAE69197FBEE5361" authority="Von Meyer 1837" authorityName="SPP. VON MEYER" authorityYear="1837" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="117" pageNumber="250" phylum="Chordata" rank="genus">
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<emphasis id="B9573B721D49FF82FAE69197FCAB5360" italics="true" pageId="117" pageNumber="250">Machimosaurus</emphasis>
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<bibRefCitation id="EFB29A911D49FF82FCD691B6FBEE5361" author="VON MEYER H." box="[884,1067,1013,1039]" pageId="117" pageNumber="250" pagination="557 - 562" refId="ref117146" refString="VON MEYER H. 1837. - Mittheilungen, an Professor Bronn gerichtet. Neues Jahrbuch fur Mineralogie, Geognosie, Geologie und Petrefaktenkunde 1837: 557 - 562. https: // www. biodiversitylibrary. org / page / 12137166" type="journal article" year="1837">Von Meyer 1837</bibRefCitation>
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</taxonomicName>
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is still debated (e.g. compare
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<bibRefCitation id="EFB29A911D49FF82FAC991B6FC6E5340" author="YOUNG M. T. & HUA S. & STEEL L. & FOFFA D. & BRUSATTE S. L. & THURING S. & MATEUS O. & RUIZ-OMENACA J. I. & HAVLIK P. & LEPAGE Y. & DE ANDRADE M. B." pageId="117" pageNumber="250" pagination="140222" refId="ref118638" refString="YOUNG M. T., HUA S., STEEL L., FOFFA D., BRUSATTE S. L., THURING S., MATEUS O., RUIZ-OMENACA J. I., HAVLIK P., LEPAGE Y. & DE ANDRADE M. B. 2014. - Revision of the Late Jurassic teleosaurid genus Machimosaurus (Crocodylomorpha, Thalattosuchia). Royal Society Open Science 1 (2): 140222. https: // doi. org / 10.1098 / rsos. 140222" type="journal article" year="2014">
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||
Young
|
||
<emphasis id="B9573B721D49FF82FC8F9656FCA45340" box="[813,865,1044,1070]" italics="true" pageId="117" pageNumber="250">et al.</emphasis>
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||
(2014
|
||
</bibRefCitation>
|
||
b);
|
||
<bibRefCitation id="EFB29A911D49FF82FC729657FB535341" author="FANTI F. & MIYASHITA T. & CANTELLI L. & MNASRI F. & DRIDI J. & CONTESSI M. & CAU A." box="[976,1174,1044,1071]" pageId="117" pageNumber="250" pagination="263 - 274" refId="ref110325" refString="FANTI F., MIYASHITA T., CANTELLI L., MNASRI F., DRIDI J., CONTESSI M. & CAU A. 2015. - The largest thalattosuchian (Crocodylomorpha) supports teleosaurid survival across the Jurassic-Cretaceous boundary. Cretaceous Research 61: 263 - 274. https: // doi. org / 10.1016 / j. cretres. 2015.11.011" type="journal article" year="2015">
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Fanti
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<emphasis id="B9573B721D49FF82FBAD9656FB815340" box="[1039,1092,1044,1070]" italics="true" pageId="117" pageNumber="250">et al.</emphasis>
|
||
(2015)
|
||
</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFB29A911D49FF82FB079657FA4E5341" author="MARTIN J. E. & VINCENT P. & FALCONNET J." box="[1189,1419,1044,1071]" pageId="117" pageNumber="250" pagination="305 - 310" refId="ref113998" refString="MARTIN J. E., VINCENT P. & FALCONNET J. 2015. - The taxonomic content of Machimosaurus (Crocodylomorpha, Thalattosuchia). Comptes Rendus Palevol 14 (4): 305 - 310. https: // doi. org / 10.1016 / j. crpv. 2015.03. 006" type="journal article" year="2015">
|
||
Martin
|
||
<emphasis id="B9573B721D49FF82FB5B9656FAEB5340" box="[1273,1326,1044,1070]" italics="true" pageId="117" pageNumber="250">et al.</emphasis>
|
||
(2015))
|
||
</bibRefCitation>
|
||
. In parallel, the pelvic girdle elements associated with either species of
|
||
<taxonomicName id="4C239CE31D49FF82FCD39617FBD15300" authorityName="SPP. VON MEYER" authorityYear="1837" box="[881,1044,1108,1134]" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="117" pageNumber="250" phylum="Chordata" rank="genus">
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||
<emphasis id="B9573B721D49FF82FCD39617FBD15300" box="[881,1044,1108,1134]" italics="true" pageId="117" pageNumber="250">Machimosaurus</emphasis>
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||
</taxonomicName>
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||
do not match with one another (i.e. an isolated pubis in one case, and a partial ilium and ischium in the other), preventing further comparisons. For these reasons, we chose to describe the pelvic girdle elements of
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<taxonomicName id="4C239CE31D49FF82FAE196F7FCAB5383" authorityName="SPP. VON MEYER" authorityYear="1837" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="117" pageNumber="250" phylum="Chordata" rank="genus">
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||
<emphasis id="B9573B721D49FF82FAE196F7FCAB5383" italics="true" pageId="117" pageNumber="250">Machimosaurus</emphasis>
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||
</taxonomicName>
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at the generic level.
|
||
</paragraph>
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<paragraph id="8B9CE7601D49FF82FCE196B0FB925283" blockId="117.[811,1457,917,1517]" pageId="117" pageNumber="250">
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||
The bone referred to the pubis of
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<taxonomicName id="4C239CE31D49FF82FB1596B0FA9E5263" authorityName="SPP. VON MEYER" authorityYear="1837" box="[1207,1371,1267,1293]" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="117" pageNumber="250" phylum="Chordata" rank="genus">
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<emphasis id="B9573B721D49FF82FB1596B0FA9E5263" box="[1207,1371,1267,1293]" italics="true" pageId="117" pageNumber="250">Machimosaurus</emphasis>
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</taxonomicName>
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||
in
|
||
<bibRefCitation id="EFB29A911D49FF82FA2296B7FC6F5240" author="HUA S. & VASSE D. & BUFFETAUT E. & MARTIN M. & MAZIN J. - M. & VADET A." pageId="117" pageNumber="250" pagination="851 - 856" refId="ref112284" refString="HUA S., VASSE D., BUFFETAUT E., MARTIN M., MAZIN J. - M. & VADET A. 1993. - Un squelette de Machimosaurus mosae Sauvage et Lienard, 1879 (Crocodylia, Thalattosuchia) dans le Kimmeridgien du Boulonnais. Comptes rendus de l ' Academie des Sciences, serie 2, Mecanique, Physique, Chimie, Sciences de l ' Univers, Sciences de la Terre 317: 851 - 856. https: // gallica. bnf. fr / ark: / 12148 / bpt 6 k 63435139" type="journal article" year="1993">
|
||
Hua
|
||
<emphasis id="B9573B721D49FF82FC8F9757FC985243" box="[813,861,1299,1325]" italics="true" pageId="117" pageNumber="250">et al.</emphasis>
|
||
(1993)
|
||
</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFB29A911D49FF82FC149757FBF75240" author="HUA S." box="[950,1074,1300,1326]" pageId="117" pageNumber="250" pagination="141 - 170" refId="ref112102" refString="HUA S. 1999. - Le Crocodilien Machimosaurus mosae (Thalattosuchia, Teleosauridae) du Kimmeridgien du Boulonnais (Pas-de-Calais, France). Palaeontographica Abteilung A Band 252 Lieferung 4 - 6: 141 - 170. https: // doi. org / 10.1127 / pala / 252 / 1999 / 141" type="journal article" year="1999">Hua (1999)</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFB29A911D49FF82FB9F9757FB3E5243" author="YOUNG M. T. & HUA S. & STEEL L. & FOFFA D. & BRUSATTE S. L. & THURING S. & MATEUS O. & RUIZ-OMENACA J. I. & HAVLIK P. & LEPAGE Y. & DE ANDRADE M. B." box="[1085,1275,1299,1326]" pageId="117" pageNumber="250" pagination="140222" refId="ref118638" refString="YOUNG M. T., HUA S., STEEL L., FOFFA D., BRUSATTE S. L., THURING S., MATEUS O., RUIZ-OMENACA J. I., HAVLIK P., LEPAGE Y. & DE ANDRADE M. B. 2014. - Revision of the Late Jurassic teleosaurid genus Machimosaurus (Crocodylomorpha, Thalattosuchia). Royal Society Open Science 1 (2): 140222. https: // doi. org / 10.1098 / rsos. 140222" type="journal article" year="2014">
|
||
Young
|
||
<emphasis id="B9573B721D49FF82FB279757FB735243" box="[1157,1206,1299,1325]" italics="true" pageId="117" pageNumber="250">et al.</emphasis>
|
||
(2014
|
||
</bibRefCitation>
|
||
b) 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.
|
||
</paragraph>
|
||
<paragraph id="8B9CE7601D49FF82FC8F9451FCA25142" blockId="117.[813,871,1554,1580]" box="[813,871,1554,1580]" pageId="117" pageNumber="250">
|
||
<heading id="D0D4500C1D49FF82FC8F9451FCA25142" box="[813,871,1554,1580]" fontSize="11" level="2" pageId="117" pageNumber="250" reason="8">
|
||
<emphasis id="B9573B721D49FF82FC8F9451FCA25142" box="[813,871,1554,1580]" italics="true" pageId="117" pageNumber="250">Ilium</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="8B9CE7601D49FF80FC8F9471FE655421" blockId="117.[811,1457,1586,2028]" lastBlockId="119.[130,777,215,1326]" lastPageId="119" lastPageNumber="252" pageId="117" pageNumber="250">
|
||
The ilium of
|
||
<taxonomicName id="4C239CE31D49FF82FC679471FBA85122" authorityName="SPP. VON MEYER" authorityYear="1837" box="[965,1133,1586,1612]" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="117" pageNumber="250" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9573B721D49FF82FC679471FBA85122" box="[965,1133,1586,1612]" italics="true" pageId="117" pageNumber="250">Machimosaurus</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<figureCitation id="1318FBE51D49FF82FBDF9471FB095122" box="[1149,1228,1586,1612]" captionStart="FIG" captionStartId="120.[132,143,1963,1980]" captionTargetBox="[147,1456,181,1908]" captionTargetId="figure-19@120.[332,1349,196,1878]" captionTargetPageId="120" captionText="FIG. 61. — Left ilium and ischium of the lost neotype of Machimosaurus mosae Sauvage & Liénard, 1879: A, left ilium in lateral view; B, hypothetical reconstruction of left ischium in lateral view; C, pelvic girdle in lateral view as it appears in Hua et al. (1993). Arrow point anteriorly. Picture in A modified from Young et al. (2014). Pictures in C modified from Hua et al. (1993). Scale bars: 5 cm." figureDoi="http://doi.org/10.5281/zenodo.11106734" httpUri="https://zenodo.org/record/11106734/files/figure.png" pageId="117" pageNumber="250">Fig. 61</figureCitation>
|
||
) corresponds to the posterior half of a left ilium. The posterior extension of the postacetabular process only reaches about half of the total dorsoventral height of the bone resulting in a relatively short posteacetabular process, which is similar to chat is observed in
|
||
<taxonomicName id="4C239CE31D49FF82FCEB9491FC305182" authority="Von Meyer, 1845" authorityName="Von Meyer" authorityYear="1845" box="[841,1013,1746,1772]" genus="Sericodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="117" pageNumber="250" phylum="Chordata" rank="species" species="jugleri">
|
||
<emphasis id="B9573B721D49FF82FCEB9491FC305182" box="[841,1013,1746,1772]" italics="true" pageId="117" pageNumber="250">Sericodon jugleri</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<taxonomicName id="4C239CE31D49FF82FBA19490FACF5182" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" box="[1027,1290,1746,1772]" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="117" pageNumber="250" phylum="Chordata" rank="species" species="edwardsi">
|
||
<emphasis id="B9573B721D49FF82FBA19490FACF5182" box="[1027,1290,1746,1772]" italics="true" pageId="117" pageNumber="250">Neosteneosaurus edwardsi</emphasis>
|
||
</taxonomicName>
|
||
(i.e. NHMUK PV R 3701, NHMUK PV R 2076, NHMUK PV R 3898) also displays a relatively short postacetabular process compared to
|
||
<taxonomicName id="4C239CE31D49FF82FCEA9572FB805025" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[840,1093,1841,1867]" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="117" pageNumber="250" phylum="Chordata" rank="species" species="obtusidens">
|
||
<emphasis id="B9573B721D49FF82FCEA9572FB805025" box="[840,1093,1841,1867]" italics="true" pageId="117" pageNumber="250">Lemmysuchus obtusidens</emphasis>
|
||
</taxonomicName>
|
||
, but it is not as short as
|
||
<taxonomicName id="4C239CE31D49FF82FAE09572FCAB5005" authorityName="SPP. VON MEYER" authorityYear="1837" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="117" pageNumber="250" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9573B721D49FF82FAE09572FCAB5005" italics="true" pageId="117" pageNumber="250">Machimosaurus</emphasis>
|
||
</taxonomicName>
|
||
. Similar to
|
||
<taxonomicName id="4C239CE31D49FF82FC459511FB285005" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" box="[999,1261,1873,1899]" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="117" pageNumber="250" phylum="Chordata" rank="species" species="edwardsi">
|
||
<emphasis id="B9573B721D49FF82FC459511FB285005" box="[999,1261,1873,1899]" italics="true" pageId="117" pageNumber="250">Neosteneosaurus edwardsi</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C239CE31D49FF82FA809512FC5850E5" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="117" pageNumber="250" phylum="Chordata" rank="species" species="obtusidens">
|
||
<emphasis id="B9573B721D49FF82FA809512FC5850E5" italics="true" pageId="117" pageNumber="250">Lemmysuchus obtusidens</emphasis>
|
||
</taxonomicName>
|
||
, the postacetabular process of
|
||
<taxonomicName id="4C239CE31D49FF82FAA79532FA7550E5" authorityName="SPP. VON MEYER" authorityYear="1837" box="[1285,1456,1905,1931]" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="117" pageNumber="250" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9573B721D49FF82FAA79532FA7550E5" box="[1285,1456,1905,1931]" italics="true" pageId="117" pageNumber="250">Machimosaurus</emphasis>
|
||
</taxonomicName>
|
||
takes the overall shape of a Lancet arch whose apex points dorsoposteriorly. Indeed, the dorsal and ventral margins of the postacetabular process are both convex, with the dorsal one – the iliac crest – displaying a stronger curvature (which differs from
|
||
<taxonomicName id="4C239CE31D4BFF80FEA592B4FE76567F" authority="Von Meyer, 1845" authorityName="Von Meyer" authorityYear="1845" box="[263,435,247,273]" genus="Sericodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="jugleri">
|
||
<emphasis id="B9573B721D4BFF80FEA592B4FE76567F" box="[263,435,247,273]" italics="true" pageId="119" pageNumber="252">Sericodon jugleri</emphasis>
|
||
</taxonomicName>
|
||
). The entirety of the lateral surface bordering the margins of the postacetabular process up to the base of the preacetabular process is strongly rugged: it shows a series of densely packed shallow ridges and sulci indicating the presence of a cartilage cap
|
||
<taxonomicName id="4C239CE31D4BFF80FD9C9334FD4356FE" baseAuthorityName="Tsai & Holliday" baseAuthorityYear="2015" box="[574,646,375,400]" family="Teleosauridae" genus="Indosinosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="119" pageNumber="264" phylum="Chordata" rank="species" species="vivo">
|
||
<emphasis id="B9573B721D4BFF80FD9C9334FD4356FE" box="[574,646,375,400]" italics="true" pageId="119" pageNumber="252">in vivo</emphasis>
|
||
</taxonomicName>
|
||
. Anteriorly, the transition from the postacetabular to the preacetabular process is marked by a dorsoventrally shallow but anteroposteriorly elongated notch as in
|
||
<taxonomicName id="4C239CE31D4BFF80FE6E9395FD16569E" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[460,723,470,496]" genus="Charitomenosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="leedsi">
|
||
<emphasis id="B9573B721D4BFF80FE6E9395FD16569E" box="[460,723,470,496]" italics="true" pageId="119" pageNumber="252">Charitomenosuchus leedsi</emphasis>
|
||
</taxonomicName>
|
||
, but contracts with
|
||
<taxonomicName id="4C239CE31D4BFF80FEBA93B5FDCF557E" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[280,522,502,528]" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="obtusidens">
|
||
<emphasis id="B9573B721D4BFF80FEBA93B5FDCF557E" box="[280,522,502,528]" italics="true" pageId="119" pageNumber="252">Lemmysuchus obtusidens</emphasis>
|
||
</taxonomicName>
|
||
and also
|
||
<taxonomicName id="4C239CE31D4BFF80FDC493B4FF1A555E" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="edwardsi">
|
||
<emphasis id="B9573B721D4BFF80FDC493B4FF1A555E" italics="true" pageId="119" pageNumber="252">Neosteneosaurus edwardsi</emphasis>
|
||
</taxonomicName>
|
||
(i.e. NHMUK PV R 3701, NHMUK PV R 2076, NHMUK PV R 3898). Around its mid-length, the ventral margin of the postacetabular process inverts its concavity and becomes concave. This point corresponds to the transition between the postacetabular process and the posterior margin of the ilium, which culminates ventrally to form the posterior corner of the ischial peduncle. Unfortunately, it is not certain if a small crest or tubercle was present around the concavity inversion as in
|
||
<taxonomicName id="4C239CE31D4BFF80FE299155FD545441" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" box="[395,657,789,815]" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="edwardsi">
|
||
<emphasis id="B9573B721D4BFF80FE299155FD545441" box="[395,657,789,815]" italics="true" pageId="119" pageNumber="252">Neosteneosaurus edwardsi</emphasis>
|
||
</taxonomicName>
|
||
(preserved in NHMUK PV R 2076).
|
||
</paragraph>
|
||
<caption id="DF5CB7E81D4AFF81FF269581FB335087" ID-DOI="http://doi.org/10.5281/zenodo.11106732" ID-Zenodo-Dep="11106732" httpUri="https://zenodo.org/record/11106732/files/figure.png" pageId="118" pageNumber="251" startId="118.[132,143,1986,2003]" targetBox="[138,1456,210,1913]" targetPageId="118" targetType="figure">
|
||
<paragraph id="8B9CE7601D4AFF81FF269581FB335087" blockId="118.[132,1457,1986,2025]" pageId="118" pageNumber="251">
|
||
<smallCapsWord id="8D7A71BC1D4AFF81FF269581FF5850BC" baselines="1999,1999" box="[132,157,1986,2003]" lowerCaseFontSize="5" mainFontSize="7" normCase="title" normString="Fig" pageId="118" pageNumber="251">FIG</smallCapsWord>
|
||
. 60. — Pelvic reconstruction of
|
||
<taxonomicName id="4C239CE31D4AFF81FE089581FCD150BD" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[426,788,1986,2003]" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="118" pageNumber="251" phylum="Chordata" rank="species" species="obtusidens">
|
||
<emphasis id="B9573B721D4AFF81FE089581FD4150BD" box="[426,644,1986,2003]" italics="true" pageId="118" pageNumber="251">Lemmysuchus obtusidens</emphasis>
|
||
(
|
||
<bibRefCitation id="EFB29A911D4AFF81FD2C9581FCCA50BD" author="ANDREWS C. W." box="[654,783,1986,2003]" pageId="118" pageNumber="251" 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 3168 (holotype):
|
||
<emphasis id="B9573B721D4AFF81FB839581FBEB50BD" bold="true" box="[1057,1070,1986,2003]" pageId="118" pageNumber="251">A</emphasis>
|
||
, lateral view;
|
||
<emphasis id="B9573B721D4AFF81FB039581FB6B50BD" bold="true" box="[1185,1198,1986,2003]" pageId="118" pageNumber="251">B</emphasis>
|
||
, anterior view;
|
||
<emphasis id="B9573B721D4AFF81FA8C9581FAF950BD" bold="true" box="[1326,1340,1986,2003]" pageId="118" pageNumber="251">C</emphasis>
|
||
, ventral view;
|
||
<emphasis id="B9573B721D4AFF81FF26959BFF575087" bold="true" box="[132,146,2008,2025]" pageId="118" pageNumber="251">D</emphasis>
|
||
, dorsal view. Arrow points anteriorly. Target indicates anterior. The left ischium and right ilium and pubis are mirrored. Scale bar: 5 cm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8B9CE7601D4BFF80FF399116FD0153A0" blockId="119.[130,777,215,1326]" pageId="119" pageNumber="252">
|
||
The ischial peduncle of
|
||
<taxonomicName id="4C239CE31D4BFF80FE299116FDEE5401" authorityName="SPP. VON MEYER" authorityYear="1837" box="[395,555,853,879]" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9573B721D4BFF80FE299116FDEE5401" box="[395,555,853,879]" italics="true" pageId="119" pageNumber="252">Machimosaurus</emphasis>
|
||
</taxonomicName>
|
||
forms a shallow crescent as in
|
||
<taxonomicName id="4C239CE31D4BFF80FF509136FE3554E1" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[242,496,885,911]" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="obtusidens">
|
||
<emphasis id="B9573B721D4BFF80FF509136FE3554E1" box="[242,496,885,911]" italics="true" pageId="119" pageNumber="252">Lemmysuchus obtusidens</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D4BFF80FE5D9135FCC254E1" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" box="[511,775,885,911]" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="edwardsi">
|
||
<emphasis id="B9573B721D4BFF80FE5D9135FCC254E1" box="[511,775,885,911]" italics="true" pageId="119" pageNumber="252">Neosteneosaurus edwardsi</emphasis>
|
||
</taxonomicName>
|
||
(i.e. NHMUK PV R 3701, NHMUK PV R 2076, NHMUK PV R 3898), and also
|
||
<taxonomicName id="4C239CE31D4BFF80FEDC91F6FD4154A1" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[382,644,949,975]" genus="Charitomenosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="leedsi">
|
||
<emphasis id="B9573B721D4BFF80FEDC91F6FD4154A1" box="[382,644,949,975]" italics="true" pageId="119" pageNumber="252">Charitomenosuchus leedsi</emphasis>
|
||
</taxonomicName>
|
||
. Indeed, its dorsal and ventral margins are both strongly arched without forming an angled peak. It is possible that the pubic peduncle towered the ischial peduncle as in
|
||
<taxonomicName id="4C239CE31D4BFF80FE5A9656FCC55340" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" box="[504,768,1044,1070]" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="edwardsi">
|
||
<emphasis id="B9573B721D4BFF80FE5A9656FCC55340" box="[504,768,1044,1070]" italics="true" pageId="119" pageNumber="252">Neosteneosaurus edwardsi</emphasis>
|
||
</taxonomicName>
|
||
, but it is not preserved. The bony acetabulum was presumably anteroposteriorly wide as seen in other teleosauroids (e.g.
|
||
<taxonomicName id="4C239CE31D4BFF80FF269637FE4E53E0" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[132,395,1140,1166]" genus="Charitomenosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="leedsi">
|
||
<emphasis id="B9573B721D4BFF80FF269637FE4E53E0" box="[132,395,1140,1166]" italics="true" pageId="119" pageNumber="252">Charitomenosuchus leedsi</emphasis>
|
||
</taxonomicName>
|
||
;
|
||
<taxonomicName id="4C239CE31D4BFF80FE3A9636FF5C53C0" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="edwardsi">
|
||
<emphasis id="B9573B721D4BFF80FE3A9636FD6553E0" box="[408,672,1140,1166]" italics="true" pageId="119" pageNumber="252">Neosteneosaurus edwardsi</emphasis>
|
||
PETMG R
|
||
</taxonomicName>
|
||
178, NHMUK PV R 3701, NHMUK PV R 2076, and NHMUK PV R 3898;
|
||
<taxonomicName id="4C239CE31D4BFF80FE2396F7FD4553A0" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[385,640,1204,1230]" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="obtusidens">
|
||
<emphasis id="B9573B721D4BFF80FE2396F7FD4553A0" box="[385,640,1204,1230]" italics="true" pageId="119" pageNumber="252">Lemmysuchus obtusidens</emphasis>
|
||
</taxonomicName>
|
||
; etc.).
|
||
</paragraph>
|
||
<paragraph id="8B9CE7601D4BFF80FF399697FD5B5243" blockId="119.[130,777,215,1326]" pageId="119" pageNumber="252">The posterior half of the supraacetabular crest stops around the apex of the bony acetabulum as in other teleosauroids, and its surface appears to have be similarly pitted.</paragraph>
|
||
<paragraph id="8B9CE7601D4BFF80FF269710FF105203" blockId="119.[132,213,1363,1389]" box="[132,213,1363,1389]" pageId="119" pageNumber="252">
|
||
<heading id="D0D4500C1D4BFF80FF269710FF105203" box="[132,213,1363,1389]" fontSize="11" level="2" pageId="119" pageNumber="252" reason="8">
|
||
<emphasis id="B9573B721D4BFF80FF269710FF105203" box="[132,213,1363,1389]" italics="true" pageId="119" pageNumber="252">Ischium</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="8B9CE7601D4BFF80FF269730FBF7561F" blockId="119.[130,776,1395,2028]" lastBlockId="119.[811,1456,215,369]" pageId="119" pageNumber="252">
|
||
The posterior half of the ischium of
|
||
<taxonomicName id="4C239CE31D4BFF80FE509730FD5752E3" authorityName="SPP. VON MEYER" authorityYear="1837" box="[498,658,1395,1421]" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9573B721D4BFF80FE509730FD5752E3" box="[498,658,1395,1421]" italics="true" pageId="119" pageNumber="252">Machimosaurus</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<figureCitation id="1318FBE51D4BFF80FD039730FD2C52E3" box="[673,745,1395,1421]" captionStart="FIG" captionStartId="120.[132,143,1963,1980]" captionTargetBox="[147,1456,181,1908]" captionTargetId="figure-19@120.[332,1349,196,1878]" captionTargetPageId="120" captionText="FIG. 61. — Left ilium and ischium of the lost neotype of Machimosaurus mosae Sauvage & Liénard, 1879: A, left ilium in lateral view; B, hypothetical reconstruction of left ischium in lateral view; C, pelvic girdle in lateral view as it appears in Hua et al. (1993). Arrow point anteriorly. Picture in A modified from Young et al. (2014). Pictures in C modified from Hua et al. (1993). Scale bars: 5 cm." figureDoi="http://doi.org/10.5281/zenodo.11106734" httpUri="https://zenodo.org/record/11106734/files/figure.png" pageId="119" pageNumber="252">Fig. 61</figureCitation>
|
||
) is preserved, which shows the presence of a dorsoventrally thick posterior process. Indeed, the posterior margin of the ischium forms a strong sinusoidal shape: it is markedly concave dorsally and convex ventrally, with the inflection point located around the mid-length of the margin. The surface of the posterior margin surrounding the inflection point is almost parallel to the ventral margin of the ischium (corresponding to the ischial blade). This is mainly due to the strong concavity of the dorsal portion of the posterior margin which forms a marked bent. Similarly, the strong convexity of the ventral portion of the posterior margin almost forms an obtuse corner. As a result, the posterior process of the ischium appears relatively tubular whereas being dorsoventrally thick throughout its length as in
|
||
<taxonomicName id="4C239CE31D4BFF80FF009572FE8A5025" authority="Von Meyer, 1845" authorityName="Von Meyer" authorityYear="1845" box="[162,335,1841,1867]" genus="Sericodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="jugleri">
|
||
<emphasis id="B9573B721D4BFF80FF009572FE8A5025" box="[162,335,1841,1867]" italics="true" pageId="119" pageNumber="252">Sericodon jugleri</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<taxonomicName id="4C239CE31D4BFF80FEFC9572FD995025" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[350,604,1841,1867]" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="obtusidens">
|
||
<emphasis id="B9573B721D4BFF80FEFC9572FD995025" box="[350,604,1841,1867]" italics="true" pageId="119" pageNumber="252">Lemmysuchus obtusidens</emphasis>
|
||
</taxonomicName>
|
||
also possesses a dorsoventrally thick posterior process although not tubular, and the overall shape of its posterior margin is smoother without any marked bent like
|
||
<taxonomicName id="4C239CE31D4BFF80FE7295D2FDB650C5" authorityName="SPP. VON MEYER" authorityYear="1837" box="[464,627,1937,1963]" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9573B721D4BFF80FE7295D2FDB650C5" box="[464,627,1937,1963]" italics="true" pageId="119" pageNumber="252">Machimosaurus</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<emphasis id="B9573B721D4BFF80FD2395D2FF7750A5" italics="true" pageId="119" pageNumber="252">Proexochokefalos</emphasis>
|
||
cf.
|
||
<emphasis id="B9573B721D4BFF80FF7D95F2FE8D50A5" box="[223,328,1969,1995]" italics="true" pageId="119" pageNumber="252">bouchardi</emphasis>
|
||
also shows a relatively tubular posterior process, but relatively more slender than
|
||
<taxonomicName id="4C239CE31D4BFF80FD8F9592FD155085" authorityName="SPP. VON MEYER" authorityYear="1837" box="[557,720,2001,2027]" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9573B721D4BFF80FD8F9592FD155085" box="[557,720,2001,2027]" italics="true" pageId="119" pageNumber="252">Machimosaurus</emphasis>
|
||
</taxonomicName>
|
||
. The extremity of the posterior process of
|
||
<taxonomicName id="4C239CE31D4BFF80FB169294FA9D579F" authorityName="SPP. VON MEYER" authorityYear="1837" box="[1204,1368,215,241]" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9573B721D4BFF80FB169294FA9D579F" box="[1204,1368,215,241]" italics="true" pageId="119" pageNumber="252">Machimosaurus</emphasis>
|
||
</taxonomicName>
|
||
appears to form a ventroposteriorly oriented peak, rather than a flat to slightly convex surface as in
|
||
<taxonomicName id="4C239CE31D4BFF80FB349354FC12563F" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" genus="Charitomenosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="leedsi">
|
||
<emphasis id="B9573B721D4BFF80FB349354FA6D565F" box="[1174,1448,279,305]" italics="true" pageId="119" pageNumber="252">Charitomenosuchus leedsi</emphasis>
|
||
,
|
||
<emphasis id="B9573B721D4BFF80FC8F9374FC12563F" box="[813,983,311,337]" italics="true" pageId="119" pageNumber="252">Proexochokefalos</emphasis>
|
||
</taxonomicName>
|
||
cf.
|
||
<emphasis id="B9573B721D4BFF80FC5F9374FBA0563F" box="[1021,1125,311,337]" italics="true" pageId="119" pageNumber="252">bouchardi</emphasis>
|
||
,
|
||
<taxonomicName id="4C239CE31D4BFF80FBD0937BFABC563F" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" box="[1138,1401,311,337]" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="edwardsi">
|
||
<emphasis id="B9573B721D4BFF80FBD0937BFABC563F" box="[1138,1401,311,337]" italics="true" pageId="119" pageNumber="252">Neosteneosaurus edwardsi</emphasis>
|
||
</taxonomicName>
|
||
, and
|
||
<taxonomicName id="4C239CE31D4BFF80FC8E9314FBEF561F" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[812,1066,343,369]" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="obtusidens">
|
||
<emphasis id="B9573B721D4BFF80FC8E9314FBEF561F" box="[812,1066,343,369]" italics="true" pageId="119" pageNumber="252">Lemmysuchus obtusidens</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8B9CE7601D4BFF80FC8F93D5FCA356DE" blockId="119.[813,870,406,432]" box="[813,870,406,432]" pageId="119" pageNumber="252">
|
||
<heading id="D0D4500C1D4BFF80FC8F93D5FCA356DE" box="[813,870,406,432]" fontSize="11" level="2" pageId="119" pageNumber="252" reason="8">
|
||
<emphasis id="B9573B721D4BFF80FC8F93D5FCA356DE" box="[813,870,406,432]" italics="true" pageId="119" pageNumber="252">Pubis</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="8B9CE7601D4BFF80FC8F93F5FBE5547E" blockId="119.[810,1457,438,2028]" pageId="119" pageNumber="252">
|
||
The pubis of
|
||
<taxonomicName id="4C239CE31D4BFF80FC1493F5FB9F56BE" authorityName="SPP. VON MEYER" authorityYear="1837" box="[950,1114,438,464]" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9573B721D4BFF80FC1493F5FB9F56BE" box="[950,1114,438,464]" italics="true" pageId="119" pageNumber="252">Machimosaurus</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<figureCitation id="1318FBE51D4BFF80FBC893F5FB7256BE" box="[1130,1207,438,464]" captionStart="FIG" captionStartId="121.[132,143,1620,1637]" captionTargetBox="[139,1450,216,1578]" captionTargetId="figure-205@121.[168,1689,207,1624]" captionTargetPageId="121" captionText="FIG. 62. — Right and left pubes of Machimosaurus sp., SMNS 81608: A, right pubis in anterior view; B, left pubis in anterior view. Target indicates anterior. Scale bar: 1 cm." figureDoi="http://doi.org/10.5281/zenodo.11106738" httpUri="https://zenodo.org/record/11106738/files/figure.png" pageId="119" pageNumber="252">Figs 62</figureCitation>
|
||
;
|
||
<figureCitation id="1318FBE51D4BFF80FB6693F5FB2556BE" box="[1220,1248,438,464]" captionStart="FIG" captionStartId="122.[132,143,1940,1957]" captionTargetBox="[153,1441,216,1859]" captionTargetId="figure-17@122.[126,1391,203,1859]" captionTargetPageId="122" captionText="FIG. 63. — Reconstruction of the pelvic girdle of Machimosaurus sp. (SMNS 81608, A-F) and Lemmysuchus obtusidens (Andrews, 1909) (NHMUK PV R 3168, D-F): A, right lateral view; B, anterior view; C, ventral view; D, right lateral views; E, anterior views; F, ventral views. Target indicates anterior. Arrow points anteriorly. The right pubis of SMNS 81608 is mirrored, the left pubis is rapaired. 3D models of SMNS 81608 courtesy of Roland Sookias. Reconstructed bones only serve as a qualitative representation of the pelvic girdle of Machimosaurus sp. Scale bars: 5 cm." figureDoi="http://doi.org/10.5281/zenodo.11106740" httpUri="https://zenodo.org/record/11106740/files/figure.png" pageId="119" pageNumber="252">63</figureCitation>
|
||
) displays an overall slender shape due to a long shaft and narrow pubic apron similar to that of
|
||
<taxonomicName id="4C239CE31D4BFF80FC5693B5FB23557E" authorityName="Lydekker" authorityYear="1890" box="[1012,1254,502,528]" class="Reptilia" family="Metriorhynchidae" genus="Suchodus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="durobrivensis">
|
||
<emphasis id="B9573B721D4BFF80FC5693B5FB23557E" box="[1012,1254,502,528]" italics="true" pageId="119" pageNumber="252">Suchodus durobrivensis</emphasis>
|
||
</taxonomicName>
|
||
. Other crocodyliforms like
|
||
<taxonomicName id="4C239CE31D4BFF80FC0A9054FBB2555E" box="[936,1143,535,560]" class="Reptilia" family="Dyrosauridae" genus="Hyposaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="natator">
|
||
<emphasis id="B9573B721D4BFF80FC0A9054FBB2555E" box="[936,1143,535,560]" italics="true" pageId="119" pageNumber="252">Hyposaurus natator</emphasis>
|
||
</taxonomicName>
|
||
or
|
||
<taxonomicName id="4C239CE31D4BFF80FB3D9055FB8E553F" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="superciliosus">
|
||
<emphasis id="B9573B721D4BFF80FB3D9055FC8F553E" italics="true" pageId="119" pageNumber="252">Thalattosuchus superciliosus</emphasis>
|
||
NHMUK PV R 2054
|
||
</taxonomicName>
|
||
display relatively slender pubis, but those are slightly less similar to that of
|
||
<taxonomicName id="4C239CE31D4BFF80FAAF9015FA74551E" authorityName="SPP. VON MEYER" authorityYear="1837" box="[1293,1457,598,624]" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9573B721D4BFF80FAAF9015FA74551E" box="[1293,1457,598,624]" italics="true" pageId="119" pageNumber="252">Machimosaurus</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<figureCitation id="1318FBE51D4BFF80FC949035FC4455FE" box="[822,897,630,656]" captionStart="FIG" captionStartId="121.[132,143,1620,1637]" captionTargetBox="[139,1450,216,1578]" captionTargetId="figure-205@121.[168,1689,207,1624]" captionTargetPageId="121" captionText="FIG. 62. — Right and left pubes of Machimosaurus sp., SMNS 81608: A, right pubis in anterior view; B, left pubis in anterior view. Target indicates anterior. Scale bar: 1 cm." figureDoi="http://doi.org/10.5281/zenodo.11106738" httpUri="https://zenodo.org/record/11106738/files/figure.png" pageId="119" pageNumber="252">Fig. 62</figureCitation>
|
||
). Hence, the pubis of
|
||
<taxonomicName id="4C239CE31D4BFF80FBCC9035FAD755FE" authorityName="SPP. VON MEYER" authorityYear="1837" box="[1134,1298,630,656]" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9573B721D4BFF80FBCC9035FAD755FE" box="[1134,1298,630,656]" italics="true" pageId="119" pageNumber="252">Machimosaurus</emphasis>
|
||
</taxonomicName>
|
||
contrasts with those of rhacheosaurines (i.e.
|
||
<taxonomicName id="4C239CE31D4BFF80FBC290D5FAE955C1" baseAuthorityName="Fraas" baseAuthorityYear="1901" box="[1120,1324,662,688]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="suevicus">
|
||
<emphasis id="B9573B721D4BFF80FBC290D5FAE955C1" box="[1120,1324,662,688]" italics="true" pageId="119" pageNumber="252">Cricosaurus suevicus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D4BFF80FA9A90D5FC7355A1" authorityName="Sachs et al." authorityYear="2021" baseAuthorityName="Sachs, Young, Abel & Mallison" baseAuthorityYear="2021" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="albersdoerferi">
|
||
<emphasis id="B9573B721D4BFF80FA9A90D5FC7355A1" italics="true" pageId="119" pageNumber="252">Cricosaurus albersdoerferi</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D4BFF80FC6190F5FB0D55A1" authorityName="Sachs et al." authorityYear="2019" baseAuthorityName="Sachs, Young, Abel & Mallison" baseAuthorityYear="2019" box="[963,1224,693,720]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="bambergensis">
|
||
<emphasis id="B9573B721D4BFF80FC6190F5FB0D55A1" box="[963,1224,693,720]" italics="true" pageId="119" pageNumber="252">Cricosaurus bambergensis</emphasis>
|
||
</taxonomicName>
|
||
) and geosaurines (i.e.
|
||
<taxonomicName id="4C239CE31D4BFF80FC8F9095FC3F5581" box="[813,1018,726,752]" class="Reptilia" family="Metriorhynchidae" genus="Geosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="giganteus">
|
||
<emphasis id="B9573B721D4BFF80FC8F9095FC3F5581" box="[813,1018,726,752]" italics="true" pageId="119" pageNumber="252">Geosaurus giganteus</emphasis>
|
||
</taxonomicName>
|
||
) which possess reduced pubic symphysis and wide pubic apron.
|
||
</paragraph>
|
||
<paragraph id="8B9CE7601D4BFF8EFCE19155FDAA5002" blockId="119.[810,1457,438,2028]" lastBlockId="121.[130,776,1714,2028]" lastPageId="121" lastPageNumber="254" pageId="119" pageNumber="252">
|
||
In
|
||
<taxonomicName id="4C239CE31D4BFF80FCC29156FBC65441" authorityName="SPP. VON MEYER" authorityYear="1837" box="[864,1027,789,815]" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9573B721D4BFF80FCC29156FBC65441" box="[864,1027,789,815]" italics="true" pageId="119" pageNumber="252">Machimosaurus</emphasis>
|
||
</taxonomicName>
|
||
, the medial margin forms a marked bent around the level of the pubic symphysis (like in
|
||
<taxonomicName id="4C239CE31D4BFF80FA9E9176FC8E5401" class="Reptilia" family="Teleosauridae" genus="Teleosaurus" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="undetermined">
|
||
<emphasis id="B9573B721D4BFF80FA9E9176FA755421" box="[1340,1456,821,847]" italics="true" pageId="119" pageNumber="252">Teleosaurus</emphasis>
|
||
sp.
|
||
</taxonomicName>
|
||
) which creates an external obtuse angle of approximately 135°. As a result, the area surrounding the pubic symphysis strongly protrudes from the main body of the pubic apron. Such an abrupt transition is seen in few other thalattosuchians, namely
|
||
<taxonomicName id="4C239CE31D4BFF80FCDC9196FBBA5480" authorityName="Sachs et al." authorityYear="2021" baseAuthorityName="Sachs, Young, Abel & Mallison" baseAuthorityYear="2021" box="[894,1151,980,1007]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="albersdoerferi">
|
||
<emphasis id="B9573B721D4BFF80FCDC9196FBBA5480" box="[894,1151,980,1007]" italics="true" pageId="119" pageNumber="252">Cricosaurus albersdoerferi</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C239CE31D4BFF80FB139197FA6D5480" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[1201,1448,980,1006]" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="obtusidens">
|
||
<emphasis id="B9573B721D4BFF80FB139197FA6D5480" box="[1201,1448,980,1006]" italics="true" pageId="119" pageNumber="252">Lemmysuchus obtusidens</emphasis>
|
||
</taxonomicName>
|
||
. The pubic symphysis of
|
||
<taxonomicName id="4C239CE31D4BFF80FB8591B7FB0F5360" authorityName="SPP. VON MEYER" authorityYear="1837" box="[1063,1226,1012,1038]" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9573B721D4BFF80FB8591B7FB0F5360" box="[1063,1226,1012,1038]" italics="true" pageId="119" pageNumber="252">Machimosaurus</emphasis>
|
||
</taxonomicName>
|
||
corresponds to about 35% of the total length of the bone (reconstructed based on both pubes;
|
||
<figureCitation id="1318FBE51D4BFF80FC149677FBC75320" box="[950,1026,1076,1102]" captionStart="FIG" captionStartId="121.[132,143,1620,1637]" captionTargetBox="[139,1450,216,1578]" captionTargetId="figure-205@121.[168,1689,207,1624]" captionTargetPageId="121" captionText="FIG. 62. — Right and left pubes of Machimosaurus sp., SMNS 81608: A, right pubis in anterior view; B, left pubis in anterior view. Target indicates anterior. Scale bar: 1 cm." figureDoi="http://doi.org/10.5281/zenodo.11106738" httpUri="https://zenodo.org/record/11106738/files/figure.png" pageId="119" pageNumber="252">Fig. 62</figureCitation>
|
||
), which is slightly longer than in other teleosauroids (i.e.
|
||
<taxonomicName id="4C239CE31D4BFF80FC459617FB1B5300" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[999,1246,1108,1134]" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="obtusidens">
|
||
<emphasis id="B9573B721D4BFF80FC459617FB1B5300" box="[999,1246,1108,1134]" italics="true" pageId="119" pageNumber="252">Lemmysuchus obtusidens</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D4BFF80FB489617FCA453E0" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" genus="Charitomenosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="leedsi">
|
||
<emphasis id="B9573B721D4BFF80FB489617FCA453E0" italics="true" pageId="119" pageNumber="252">Charitomenosuchus leedsi</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D4BFF80FCCE9636FBAD53E0" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" box="[876,1128,1140,1166]" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="edwardsi">
|
||
<emphasis id="B9573B721D4BFF80FCCE9636FBAD53E0" box="[876,1128,1140,1166]" italics="true" pageId="119" pageNumber="252">Neosteneosaurus edwardsi</emphasis>
|
||
</taxonomicName>
|
||
) except
|
||
<taxonomicName id="4C239CE31D4BFF80FB189637FA6853E0" authority="(Jager, 1828)" authorityName="(Jager)" baseAuthorityName="Jager" baseAuthorityYear="1828" box="[1210,1453,1140,1166]" class="Reptilia" family="Teleosauridae" genus="Macrospondylus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="bollensis">
|
||
<emphasis id="B9573B721D4BFF80FB189637FA6853E0" box="[1210,1453,1140,1166]" italics="true" pageId="119" pageNumber="252">Macrospondylus bollensis</emphasis>
|
||
</taxonomicName>
|
||
for which the pubic symphysis of
|
||
<taxonomicName id="4C239CE31D4BFF80FB0696D7FA8D53C0" authorityName="SPP. VON MEYER" authorityYear="1837" box="[1188,1352,1172,1198]" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9573B721D4BFF80FB0696D7FA8D53C0" box="[1188,1352,1172,1198]" italics="true" pageId="119" pageNumber="252">Machimosaurus</emphasis>
|
||
</taxonomicName>
|
||
is greatly larger. The length of the shaft of
|
||
<taxonomicName id="4C239CE31D4BFF80FB3F96F7FA8453A0" authorityName="SPP. VON MEYER" authorityYear="1837" box="[1181,1345,1204,1230]" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9573B721D4BFF80FB3F96F7FA8453A0" box="[1181,1345,1204,1230]" italics="true" pageId="119" pageNumber="252">Machimosaurus</emphasis>
|
||
</taxonomicName>
|
||
is slightly shorter than that of the pubic symphysis as it reaches about 30% of the the total reconstructed length of the bone. Comparatively, in
|
||
<taxonomicName id="4C239CE31D4BFF80FC169750FB5E5243" authorityName="Lydekker" authorityYear="1890" box="[948,1179,1299,1325]" class="Reptilia" family="Metriorhynchidae" genus="Suchodus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="durobrivensis">
|
||
<emphasis id="B9573B721D4BFF80FC169750FB5E5243" box="[948,1179,1299,1325]" italics="true" pageId="119" pageNumber="252">Suchodus durobrivensis</emphasis>
|
||
</taxonomicName>
|
||
, the pubic shaft and pubic symphysis display similar lengths, and those reach around 36% of the total length of the bone. In
|
||
<taxonomicName id="4C239CE31D4BFF80FB369710FBDF52E0" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="superciliosus">
|
||
<emphasis id="B9573B721D4BFF80FB369710FA6B5203" box="[1172,1454,1363,1389]" italics="true" pageId="119" pageNumber="252">Thalattosuchus superciliosus</emphasis>
|
||
NHMUK PV R 2054
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C239CE31D4BFF80FBF29737FADF52E3" box="[1104,1306,1396,1421]" class="Reptilia" family="Dyrosauridae" genus="Hyposaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="natator">
|
||
<emphasis id="B9573B721D4BFF80FBF29737FADF52E3" box="[1104,1306,1396,1421]" italics="true" pageId="119" pageNumber="252">Hyposaurus natator</emphasis>
|
||
</taxonomicName>
|
||
, however, the pubic symphysis is shorter than the shaft, and reaches between 18 – 24% of the total length of the pubis. Another similarity between
|
||
<taxonomicName id="4C239CE31D4BFF80FC289790FBB15283" authorityName="Lydekker" authorityYear="1890" box="[906,1140,1491,1517]" class="Reptilia" family="Metriorhynchidae" genus="Suchodus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="durobrivensis">
|
||
<emphasis id="B9573B721D4BFF80FC289790FBB15283" box="[906,1140,1491,1517]" italics="true" pageId="119" pageNumber="252">Suchodus durobrivensis</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C239CE31D4BFF80FB049790FA8D5283" authorityName="SPP. VON MEYER" authorityYear="1837" box="[1190,1352,1491,1517]" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9573B721D4BFF80FB049790FA8D5283" box="[1190,1352,1491,1517]" italics="true" pageId="119" pageNumber="252">Machimosaurus</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<figureCitation id="1318FBE51D4BFF80FAF49790FA655283" box="[1366,1440,1491,1517]" captionStart="FIG" captionStartId="121.[132,143,1620,1637]" captionTargetBox="[139,1450,216,1578]" captionTargetId="figure-205@121.[168,1689,207,1624]" captionTargetPageId="121" captionText="FIG. 62. — Right and left pubes of Machimosaurus sp., SMNS 81608: A, right pubis in anterior view; B, left pubis in anterior view. Target indicates anterior. Scale bar: 1 cm." figureDoi="http://doi.org/10.5281/zenodo.11106738" httpUri="https://zenodo.org/record/11106738/files/figure.png" pageId="119" pageNumber="252">Fig. 62</figureCitation>
|
||
), which is also shared with
|
||
<taxonomicName id="4C239CE31D4BFF80FB9197B0FAE85163" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[1075,1325,1523,1549]" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="obtusidens">
|
||
<emphasis id="B9573B721D4BFF80FB9197B0FAE85163" box="[1075,1325,1523,1549]" italics="true" pageId="119" pageNumber="252">Lemmysuchus obtusidens</emphasis>
|
||
</taxonomicName>
|
||
, is the acute angle formed between the pubic symphysis and the median of the shaft: about 22° for
|
||
<taxonomicName id="4C239CE31D4BFF80FB879471FB0C5122" authorityName="SPP. VON MEYER" authorityYear="1837" box="[1061,1225,1586,1612]" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9573B721D4BFF80FB879471FB0C5122" box="[1061,1225,1586,1612]" italics="true" pageId="119" pageNumber="252">Machimosaurus</emphasis>
|
||
</taxonomicName>
|
||
, and 28°for
|
||
<taxonomicName id="4C239CE31D4BFF80FAF29471FC705102" authorityName="Lydekker" authorityYear="1890" class="Reptilia" family="Metriorhynchidae" genus="Suchodus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="durobrivensis">
|
||
<emphasis id="B9573B721D4BFF80FAF29471FC705102" italics="true" pageId="119" pageNumber="252">Suchodus durobrivensis</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C239CE31D4BFF80FC4B9411FB355102" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[1001,1264,1618,1644]" genus="Charitomenosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="leedsi">
|
||
<emphasis id="B9573B721D4BFF80FC4B9411FB355102" box="[1001,1264,1618,1644]" italics="true" pageId="119" pageNumber="252">Charitomenosuchus leedsi</emphasis>
|
||
</taxonomicName>
|
||
, and 30° for
|
||
<taxonomicName id="4C239CE31D4BFF80FADB9410FC3751E2" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="obtusidens">
|
||
<emphasis id="B9573B721D4BFF80FADB9410FC3751E2" italics="true" pageId="119" pageNumber="252">Lemmysuchus obtusidens</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C239CE31D4BFF80FB809430FAD951E2" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" box="[1058,1308,1650,1676]" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="edwardsi">
|
||
<emphasis id="B9573B721D4BFF80FB809430FAD951E2" box="[1058,1308,1650,1676]" italics="true" pageId="119" pageNumber="252">Neosteneosaurus edwardsi</emphasis>
|
||
</taxonomicName>
|
||
. Nevertheless, the other teleosauroids appear dissimilar to
|
||
<taxonomicName id="4C239CE31D4BFF80FAAF94D1FA7451C2" authorityName="SPP. VON MEYER" authorityYear="1837" box="[1293,1457,1682,1708]" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9573B721D4BFF80FAAF94D1FA7451C2" box="[1293,1457,1682,1708]" italics="true" pageId="119" pageNumber="252">Machimosaurus</emphasis>
|
||
</taxonomicName>
|
||
due to a larger pubic plate laterally to the median of the shaft. Indeed, in
|
||
<taxonomicName id="4C239CE31D4BFF80FC529491FB535182" authorityName="SPP. VON MEYER" authorityYear="1837" box="[1008,1174,1746,1772]" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9573B721D4BFF80FC529491FB535182" box="[1008,1174,1746,1772]" italics="true" pageId="119" pageNumber="252">Machimosaurus</emphasis>
|
||
</taxonomicName>
|
||
, the distal margin of the bone connecting the pubic symphysis with the lateral margin of the pubis is relatively short (less than the length of the pubic symphysis unlike in
|
||
<taxonomicName id="4C239CE31D4BFF80FBE09572FAF95025" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[1090,1340,1841,1867]" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="obtusidens">
|
||
<emphasis id="B9573B721D4BFF80FBE09572FAF95025" box="[1090,1340,1841,1867]" italics="true" pageId="119" pageNumber="252">Lemmysuchus obtusidens</emphasis>
|
||
</taxonomicName>
|
||
). Also, the junction between the pubic symphysis and the distal blade of
|
||
<taxonomicName id="4C239CE31D4BFF80FC899532FC0E50E5" authorityName="SPP. VON MEYER" authorityYear="1837" box="[811,971,1905,1931]" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9573B721D4BFF80FC899532FC0E50E5" box="[811,971,1905,1931]" italics="true" pageId="119" pageNumber="252">Machimosaurus</emphasis>
|
||
</taxonomicName>
|
||
forms a relatively small angle of approximately 127° which contributes to the shortness of the distal blade, as in
|
||
<taxonomicName id="4C239CE31D4BFF80FCC595F1FBB550A5" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" box="[871,1136,1969,1995]" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="edwardsi">
|
||
<emphasis id="B9573B721D4BFF80FCC595F1FBB550A5" box="[871,1136,1969,1995]" italics="true" pageId="119" pageNumber="252">Neosteneosaurus edwardsi</emphasis>
|
||
</taxonomicName>
|
||
compared with
|
||
<taxonomicName id="4C239CE31D4BFF80FA8195F2FC535085" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="obtusidens">
|
||
<emphasis id="B9573B721D4BFF80FA8195F2FC535085" italics="true" pageId="119" pageNumber="252">Lemmysuchus obtusidens</emphasis>
|
||
</taxonomicName>
|
||
or
|
||
<taxonomicName id="4C239CE31D4BFF80FC159592FB7E5085" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[951,1211,2001,2027]" genus="Charitomenosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="119" pageNumber="252" phylum="Chordata" rank="species" species="leedsi">
|
||
<emphasis id="B9573B721D4BFF80FC159592FB7E5085" box="[951,1211,2001,2027]" italics="true" pageId="119" pageNumber="252">Charitomenosuchus leedsi</emphasis>
|
||
</taxonomicName>
|
||
. The exact shape of the distal margin of
|
||
<taxonomicName id="4C239CE31D45FF8EFE8994F1FE0951A2" authorityName="SPP. VON MEYER" authorityYear="1837" box="[299,460,1714,1740]" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="121" pageNumber="254" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9573B721D45FF8EFE8994F1FE0951A2" box="[299,460,1714,1740]" italics="true" pageId="121" pageNumber="254">Machimosaurus</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<figureCitation id="1318FBE51D45FF8EFE7E94F1FDE251A2" box="[476,551,1714,1740]" captionStart="FIG" captionStartId="121.[132,143,1620,1637]" captionTargetBox="[139,1450,216,1578]" captionTargetId="figure-205@121.[168,1689,207,1624]" captionTargetPageId="121" captionText="FIG. 62. — Right and left pubes of Machimosaurus sp., SMNS 81608: A, right pubis in anterior view; B, left pubis in anterior view. Target indicates anterior. Scale bar: 1 cm." figureDoi="http://doi.org/10.5281/zenodo.11106738" httpUri="https://zenodo.org/record/11106738/files/figure.png" pageId="121" pageNumber="254">Figs 62</figureCitation>
|
||
;
|
||
<figureCitation id="1318FBE51D45FF8EFD9194F1FD8A51A2" box="[563,591,1714,1740]" captionStart="FIG" captionStartId="122.[132,143,1940,1957]" captionTargetBox="[153,1441,216,1859]" captionTargetId="figure-17@122.[126,1391,203,1859]" captionTargetPageId="122" captionText="FIG. 63. — Reconstruction of the pelvic girdle of Machimosaurus sp. (SMNS 81608, A-F) and Lemmysuchus obtusidens (Andrews, 1909) (NHMUK PV R 3168, D-F): A, right lateral view; B, anterior view; C, ventral view; D, right lateral views; E, anterior views; F, ventral views. Target indicates anterior. Arrow points anteriorly. The right pubis of SMNS 81608 is mirrored, the left pubis is rapaired. 3D models of SMNS 81608 courtesy of Roland Sookias. Reconstructed bones only serve as a qualitative representation of the pelvic girdle of Machimosaurus sp. Scale bars: 5 cm." figureDoi="http://doi.org/10.5281/zenodo.11106740" httpUri="https://zenodo.org/record/11106740/files/figure.png" pageId="121" pageNumber="254">63</figureCitation>
|
||
) is uncertain, but was presumably slightly arched as in other thalattosuchians (i.e. ‘
|
||
<taxonomicName id="4C239CE31D45FF8EFF1994B1FD045062" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" box="[187,705,1778,1804]" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="121" pageNumber="254" phylum="Chordata" rank="species" species="brachyrhynchus">
|
||
<emphasis id="B9573B721D45FF8EFF1994B1FE995062" box="[187,348,1778,1804]" italics="true" pageId="121" pageNumber="254">Metriorhynchus</emphasis>
|
||
’
|
||
<emphasis id="B9573B721D45FF8EFEC894B1FDCD5062" box="[362,520,1778,1804]" italics="true" pageId="121" pageNumber="254">brachyrhynchus</emphasis>
|
||
NHMUK PV R
|
||
</taxonomicName>
|
||
3804,
|
||
<taxonomicName id="4C239CE31D45FF8EFF269551FEAA5042" authorityName="Lydekker" authorityYear="1890" box="[132,367,1810,1836]" class="Reptilia" family="Metriorhynchidae" genus="Suchodus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="121" pageNumber="254" phylum="Chordata" rank="species" species="durobrivensis">
|
||
<emphasis id="B9573B721D45FF8EFF269551FEAA5042" box="[132,367,1810,1836]" italics="true" pageId="121" pageNumber="254">Suchodus durobrivensis</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D45FF8EFEDE9551FEC75022" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="121" pageNumber="254" phylum="Chordata" rank="species" species="superciliosus">
|
||
<emphasis id="B9573B721D45FF8EFEDE9551FD515042" box="[380,660,1810,1836]" italics="true" pageId="121" pageNumber="254">Thalattosuchus superciliosus</emphasis>
|
||
NHMUK PV R 2054
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D45FF8EFEB09571FE205025" baseAuthorityName="Fraas" baseAuthorityYear="1901" box="[274,485,1842,1868]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="121" pageNumber="254" phylum="Chordata" rank="species" species="suevicus">
|
||
<emphasis id="B9573B721D45FF8EFEB09571FE205025" box="[274,485,1842,1868]" italics="true" pageId="121" pageNumber="254">Cricosaurus suevicus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D45FF8EFE579571FCC55025" authorityName="Sachs et al." authorityYear="2021" baseAuthorityName="Sachs, Young, Abel & Mallison" baseAuthorityYear="2021" box="[501,768,1841,1868]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="121" pageNumber="254" phylum="Chordata" rank="species" species="albersdoerferi">
|
||
<emphasis id="B9573B721D45FF8EFE579571FCC55025" box="[501,768,1841,1868]" italics="true" pageId="121" pageNumber="254">Cricosaurus albersdoerferi</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D45FF8EFF269511FE975005" box="[132,338,1874,1900]" class="Reptilia" family="Metriorhynchidae" genus="Geosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="121" pageNumber="254" phylum="Chordata" rank="species" species="giganteus">
|
||
<emphasis id="B9573B721D45FF8EFF269511FE975005" box="[132,338,1874,1900]" italics="true" pageId="121" pageNumber="254">Geosaurus giganteus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D45FF8EFEC29512FD9A5005" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[352,607,1873,1899]" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="121" pageNumber="254" phylum="Chordata" rank="species" species="obtusidens">
|
||
<emphasis id="B9573B721D45FF8EFEC29512FD9A5005" box="[352,607,1873,1899]" italics="true" pageId="121" pageNumber="254">Lemmysuchus obtusidens</emphasis>
|
||
</taxonomicName>
|
||
).
|
||
</paragraph>
|
||
<caption id="DF5CB7E81D44FF8FFF2695E8FD155087" ID-DOI="http://doi.org/10.5281/zenodo.11106734" ID-Zenodo-Dep="11106734" httpUri="https://zenodo.org/record/11106734/files/figure.png" pageId="120" pageNumber="253" startId="120.[132,143,1963,1980]" targetBox="[147,1456,181,1908]" targetPageId="120" targetType="figure">
|
||
<paragraph id="8B9CE7601D44FF8FFF2695E8FD155087" blockId="120.[132,1457,1963,2025]" pageId="120" pageNumber="253">
|
||
<smallCapsWord id="8D7A71BC1D44FF8FFF2695E8FF5850D5" baselines="1976,1976" box="[132,157,1963,1980]" lowerCaseFontSize="5" mainFontSize="7" normCase="title" normString="Fig" pageId="120" pageNumber="253">FIG</smallCapsWord>
|
||
. 61. — Left ilium and ischium of the lost neotype of
|
||
<taxonomicName id="4C239CE31D44FF8FFDED95E8FC2D50D2" authority="Sauvage & Lienard, 1879" authorityName="Sauvage & Lienard" authorityYear="1879" box="[591,1000,1963,1980]" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="120" pageNumber="253" phylum="Chordata" rank="species" species="mosae">
|
||
<emphasis id="B9573B721D44FF8FFDED95E8FCCA50D2" box="[591,783,1963,1980]" italics="true" pageId="120" pageNumber="253">Machimosaurus mosae</emphasis>
|
||
<bibRefCitation id="EFB29A911D44FF8FFCB695E8FC2D50D2" author="SAUVAGE H. E. & LIENARD F." box="[788,1000,1963,1980]" pageId="120" pageNumber="253" refId="ref115971" refString="SAUVAGE H. E. & LIENARD F. 1879. - Memoire sur le genre Machimosaurus. Memoires de la Societe geologique de France, 3 eme serie 4, 32 p." type="book" year="1879">Sauvage & Liénard, 1879</bibRefCitation>
|
||
</taxonomicName>
|
||
:
|
||
<emphasis id="B9573B721D44FF8FFC4D95E8FC3950D2" bold="true" box="[1007,1020,1963,1980]" pageId="120" pageNumber="253">A</emphasis>
|
||
, left ilium in lateral view;
|
||
<emphasis id="B9573B721D44FF8FFB6E95E8FB1C50D2" bold="true" box="[1228,1241,1963,1980]" pageId="120" pageNumber="253">B</emphasis>
|
||
, hypothetical reconstruction of left ischium in lateral view;
|
||
<emphasis id="B9573B721D44FF8FFE3C9581FE6950BD" bold="true" box="[414,428,1986,2003]" pageId="120" pageNumber="253">C</emphasis>
|
||
, pelvic girdle in lateral view as it appears in
|
||
<bibRefCitation id="EFB29A911D44FF8FFCBE9581FC6650BD" author="HUA S. & VASSE D. & BUFFETAUT E. & MARTIN M. & MAZIN J. - M. & VADET A." box="[796,931,1986,2003]" pageId="120" pageNumber="253" pagination="851 - 856" refId="ref112284" refString="HUA S., VASSE D., BUFFETAUT E., MARTIN M., MAZIN J. - M. & VADET A. 1993. - Un squelette de Machimosaurus mosae Sauvage et Lienard, 1879 (Crocodylia, Thalattosuchia) dans le Kimmeridgien du Boulonnais. Comptes rendus de l ' Academie des Sciences, serie 2, Mecanique, Physique, Chimie, Sciences de l ' Univers, Sciences de la Terre 317: 851 - 856. https: // gallica. bnf. fr / ark: / 12148 / bpt 6 k 63435139" type="journal article" year="1993">
|
||
Hua
|
||
<emphasis id="B9573B721D44FF8FFCE19581FCA850BD" box="[835,877,1986,2003]" italics="true" pageId="120" pageNumber="253">et al.</emphasis>
|
||
(1993)
|
||
</bibRefCitation>
|
||
. Arrow point anteriorly. Picture in
|
||
<emphasis id="B9573B721D44FF8FFB629581FB0850BD" bold="true" box="[1216,1229,1986,2003]" pageId="120" pageNumber="253">A</emphasis>
|
||
modified from
|
||
<bibRefCitation id="EFB29A911D44FF8FFAE99581FF725087" author="YOUNG M. T. & HUA S. & STEEL L. & FOFFA D. & BRUSATTE S. L. & THURING S. & MATEUS O. & RUIZ-OMENACA J. I. & HAVLIK P. & LEPAGE Y. & DE ANDRADE M. B." pageId="120" pageNumber="253" pagination="140222" refId="ref118638" refString="YOUNG M. T., HUA S., STEEL L., FOFFA D., BRUSATTE S. L., THURING S., MATEUS O., RUIZ-OMENACA J. I., HAVLIK P., LEPAGE Y. & DE ANDRADE M. B. 2014. - Revision of the Late Jurassic teleosaurid genus Machimosaurus (Crocodylomorpha, Thalattosuchia). Royal Society Open Science 1 (2): 140222. https: // doi. org / 10.1098 / rsos. 140222" type="journal article" year="2014">
|
||
Young
|
||
<emphasis id="B9573B721D44FF8FFA259581FA7450BD" box="[1415,1457,1986,2003]" italics="true" pageId="120" pageNumber="253">et al.</emphasis>
|
||
(2014)
|
||
</bibRefCitation>
|
||
. Pictures in
|
||
<emphasis id="B9573B721D44FF8FFEBD959BFEE85087" bold="true" box="[287,301,2008,2025]" pageId="120" pageNumber="253">C</emphasis>
|
||
modified from
|
||
<bibRefCitation id="EFB29A911D44FF8FFE09959BFDF75087" author="HUA S. & VASSE D. & BUFFETAUT E. & MARTIN M. & MAZIN J. - M. & VADET A." box="[427,562,2008,2025]" pageId="120" pageNumber="253" pagination="851 - 856" refId="ref112284" refString="HUA S., VASSE D., BUFFETAUT E., MARTIN M., MAZIN J. - M. & VADET A. 1993. - Un squelette de Machimosaurus mosae Sauvage et Lienard, 1879 (Crocodylia, Thalattosuchia) dans le Kimmeridgien du Boulonnais. Comptes rendus de l ' Academie des Sciences, serie 2, Mecanique, Physique, Chimie, Sciences de l ' Univers, Sciences de la Terre 317: 851 - 856. https: // gallica. bnf. fr / ark: / 12148 / bpt 6 k 63435139" type="journal article" year="1993">
|
||
Hua
|
||
<emphasis id="B9573B721D44FF8FFE70959BFE395087" box="[466,508,2008,2025]" italics="true" pageId="120" pageNumber="253">et al.</emphasis>
|
||
(1993)
|
||
</bibRefCitation>
|
||
. Scale bars: 5 cm.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF5CB7E81D45FF8EFF269417FF1F5112" ID-DOI="http://doi.org/10.5281/zenodo.11106738" ID-Zenodo-Dep="11106738" httpUri="https://zenodo.org/record/11106738/files/figure.png" pageId="121" pageNumber="254" startId="121.[132,143,1620,1637]" targetBox="[139,1450,216,1578]" targetPageId="121" targetType="figure">
|
||
<paragraph id="8B9CE7601D45FF8EFF269417FF1F5112" blockId="121.[132,1455,1620,1660]" pageId="121" pageNumber="254">
|
||
<smallCapsWord id="8D7A71BC1D45FF8EFF269417FF58510A" baselines="1633,1633" box="[132,157,1620,1637]" lowerCaseFontSize="5" mainFontSize="7" normCase="title" normString="Fig" pageId="121" pageNumber="254">FIG</smallCapsWord>
|
||
. 62. — Right and left pubes of
|
||
<taxonomicName id="4C239CE31D45FF8EFE3D9417FD81510B" box="[415,580,1620,1637]" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" kingdom="Animalia" order="Crocodylia" pageId="121" pageNumber="254" phylum="Chordata" rank="species" species="undetermined">
|
||
<emphasis id="B9573B721D45FF8EFE3D9417FDE6510B" box="[415,547,1620,1637]" italics="true" pageId="121" pageNumber="254">Machimosaurus</emphasis>
|
||
sp.
|
||
</taxonomicName>
|
||
, SMNS 81608:
|
||
<emphasis id="B9573B721D45FF8EFD619417FD15510B" bold="true" box="[707,720,1620,1637]" pageId="121" pageNumber="254">A</emphasis>
|
||
, right pubis in anterior view;
|
||
<emphasis id="B9573B721D45FF8EFC1C9417FC0E510B" bold="true" box="[958,971,1620,1637]" pageId="121" pageNumber="254">B</emphasis>
|
||
, left pubis in anterior view. Target indicates anterior. Scale bar: 1 cm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8B9CE7601D45FF8CFF399531FE9C553F" blockId="121.[130,776,1714,2028]" lastBlockId="123.[132,776,215,593]" lastPageId="123" lastPageNumber="256" pageId="121" pageNumber="254">
|
||
In
|
||
<taxonomicName id="4C239CE31D45FF8EFF1A9532FE9950E5" authorityName="SPP. VON MEYER" authorityYear="1837" box="[184,348,1905,1931]" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="121" pageNumber="254" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9573B721D45FF8EFF1A9532FE9950E5" box="[184,348,1905,1931]" italics="true" pageId="121" pageNumber="254">Machimosaurus</emphasis>
|
||
</taxonomicName>
|
||
, the junction between the distal and the lateral margins is achieved through a blunt right-angle corner which does not appear to protrude laterally, as in
|
||
<taxonomicName id="4C239CE31D45FF8EFD0B95F2FEC05085" authorityName="Lydekker" authorityYear="1890" class="Reptilia" family="Metriorhynchidae" genus="Suchodus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="121" pageNumber="254" phylum="Chordata" rank="species" species="durobrivensis">
|
||
<emphasis id="B9573B721D45FF8EFD0B95F2FEC05085" italics="true" pageId="121" pageNumber="254">Suchodus durobrivensis</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D45FF8EFEB29592FD3B5082" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" box="[272,766,2001,2028]" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="121" pageNumber="254" phylum="Chordata" rank="species" species="superciliosus">
|
||
<emphasis id="B9573B721D45FF8EFEB29592FDD95085" box="[272,540,2001,2027]" italics="true" pageId="121" pageNumber="254">Thalattosuchus superciliosus</emphasis>
|
||
NHMUK PV R 2054
|
||
</taxonomicName>
|
||
, and
|
||
<taxonomicName id="4C239CE31D45FF8EFCF994F1FB9D51A2" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[859,1112,1714,1740]" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="121" pageNumber="254" phylum="Chordata" rank="species" species="obtusidens">
|
||
<emphasis id="B9573B721D45FF8EFCF994F1FB9D51A2" box="[859,1112,1714,1740]" italics="true" pageId="121" pageNumber="254">Lemmysuchus obtusidens</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<emphasis id="B9573B721D45FF8EFBC694F0FB6151A2" box="[1124,1188,1715,1740]" italics="true" pageId="121" pageNumber="254">contra</emphasis>
|
||
(
|
||
<taxonomicName id="4C239CE31D45FF8EFB0F94F1FA5651A2" authority="(Andrews, 1909)" authorityName="(Andrews)" authorityYear="1909" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[1197,1427,1714,1740]" family="Teleosauridae" genus="Mycterosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="121" pageNumber="254" phylum="Chordata" rank="species" species="nasutus">
|
||
<emphasis id="B9573B721D45FF8EFB0F94F1FA5651A2" box="[1197,1427,1714,1740]" italics="true" pageId="121" pageNumber="254">Mycterosuchus nasutus</emphasis>
|
||
</taxonomicName>
|
||
or ‘
|
||
<taxonomicName id="4C239CE31D45FF8EFC919491FAFB5182" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" box="[819,1342,1746,1772]" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="121" pageNumber="254" phylum="Chordata" rank="species" species="brachyrhynchus">
|
||
<emphasis id="B9573B721D45FF8EFC919491FC115182" box="[819,980,1746,1772]" italics="true" pageId="121" pageNumber="254">Metriorhynchus</emphasis>
|
||
’
|
||
<emphasis id="B9573B721D45FF8EFC419491FB445182" box="[995,1153,1746,1772]" italics="true" pageId="121" pageNumber="254">brachyrhynchus</emphasis>
|
||
NHMUK PV R
|
||
</taxonomicName>
|
||
3804 to a lesser extent. The lateral margin of the pubis of
|
||
<taxonomicName id="4C239CE31D45FF8EFA8294B1FC895045" authorityName="SPP. VON MEYER" authorityYear="1837" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="121" pageNumber="254" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9573B721D45FF8EFA8294B1FC895045" italics="true" pageId="121" pageNumber="254">Machimosaurus</emphasis>
|
||
</taxonomicName>
|
||
forms a tenuous sinusoid, with the portion bordering the pubic apron being convex and gradually switching to concave as it climbs back up towards the peduncle. The undulation of the lateral margin of the pubis is even less perceptible in
|
||
<taxonomicName id="4C239CE31D45FF8EFC8C95D2FBE050C5" authorityName="Lydekker" authorityYear="1890" box="[814,1061,1937,1963]" class="Reptilia" family="Metriorhynchidae" genus="Suchodus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="121" pageNumber="254" phylum="Chordata" rank="species" species="durobrivensis">
|
||
<emphasis id="B9573B721D45FF8EFC8C95D2FBE050C5" box="[814,1061,1937,1963]" italics="true" pageId="121" pageNumber="254">Suchodus durobrivensis</emphasis>
|
||
</taxonomicName>
|
||
, but is more clear in
|
||
<taxonomicName id="4C239CE31D45FF8EFA8295D2FC5250A5" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="121" pageNumber="254" phylum="Chordata" rank="species" species="obtusidens">
|
||
<emphasis id="B9573B721D45FF8EFA8295D2FC5250A5" italics="true" pageId="121" pageNumber="254">Lemmysuchus obtusidens</emphasis>
|
||
</taxonomicName>
|
||
. Comparatively, the medial margin of the pubis of
|
||
<taxonomicName id="4C239CE31D45FF8EFC899592FC0A5085" authorityName="SPP. VON MEYER" authorityYear="1837" box="[811,975,2001,2027]" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="121" pageNumber="254" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9573B721D45FF8EFC899592FC0A5085" box="[811,975,2001,2027]" italics="true" pageId="121" pageNumber="254">Machimosaurus</emphasis>
|
||
</taxonomicName>
|
||
appears almost straight with a slight undulation around the junction between the shaft and the distal blade. This shape is not present in other thalattosuchians (i.e. ‘
|
||
<taxonomicName id="4C239CE31D47FF8CFF199354FD04565C" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" box="[187,705,279,306]" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="123" pageNumber="256" phylum="Chordata" rank="species" species="brachyrhynchus">
|
||
<emphasis id="B9573B721D47FF8CFF199354FE99565F" box="[187,348,279,305]" italics="true" pageId="123" pageNumber="256">Metriorhynchus</emphasis>
|
||
’
|
||
<emphasis id="B9573B721D47FF8CFEC89354FDCD565F" box="[362,520,279,305]" italics="true" pageId="123" pageNumber="256">brachyrhynchus</emphasis>
|
||
NHMUK PV R
|
||
</taxonomicName>
|
||
3804,
|
||
<taxonomicName id="4C239CE31D47FF8CFF269374FEAA563F" authorityName="Lydekker" authorityYear="1890" box="[132,367,311,337]" class="Reptilia" family="Metriorhynchidae" genus="Suchodus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="123" pageNumber="256" phylum="Chordata" rank="species" species="durobrivensis">
|
||
<emphasis id="B9573B721D47FF8CFF269374FEAA563F" box="[132,367,311,337]" italics="true" pageId="123" pageNumber="256">Suchodus durobrivensis</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D47FF8CFEDE9374FEC7561C" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="123" pageNumber="256" phylum="Chordata" rank="species" species="superciliosus">
|
||
<emphasis id="B9573B721D47FF8CFEDE9374FD51563F" box="[380,660,311,337]" italics="true" pageId="123" pageNumber="256">Thalattosuchus superciliosus</emphasis>
|
||
NHMUK PV R 2054
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D47FF8CFEB09314FE20561F" baseAuthorityName="Fraas" baseAuthorityYear="1901" box="[274,485,343,369]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="123" pageNumber="256" phylum="Chordata" rank="species" species="suevicus">
|
||
<emphasis id="B9573B721D47FF8CFEB09314FE20561F" box="[274,485,343,369]" italics="true" pageId="123" pageNumber="256">Cricosaurus suevicus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D47FF8CFE579314FCC5561F" authorityName="Sachs et al." authorityYear="2021" baseAuthorityName="Sachs, Young, Abel & Mallison" baseAuthorityYear="2021" box="[501,768,343,369]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="123" pageNumber="256" phylum="Chordata" rank="species" species="albersdoerferi">
|
||
<emphasis id="B9573B721D47FF8CFE579314FCC5561F" box="[501,768,343,369]" italics="true" pageId="123" pageNumber="256">Cricosaurus albersdoerferi</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D47FF8CFF269334FE9B56FE" box="[132,350,375,401]" class="Reptilia" family="Metriorhynchidae" genus="Geosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="123" pageNumber="256" phylum="Chordata" rank="species" species="giganteus">
|
||
<emphasis id="B9573B721D47FF8CFF269334FE9B56FE" box="[132,350,375,401]" italics="true" pageId="123" pageNumber="256">Geosaurus giganteus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D47FF8CFECD9334FDBC56FF" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[367,633,375,401]" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="123" pageNumber="256" phylum="Chordata" rank="species" species="obtusidens">
|
||
<emphasis id="B9573B721D47FF8CFECD9334FDBC56FF" box="[367,633,375,401]" italics="true" pageId="123" pageNumber="256">Lemmysuchus obtusidens</emphasis>
|
||
</taxonomicName>
|
||
). The pubic peduncle of
|
||
<taxonomicName id="4C239CE31D47FF8CFEAC93D5FE7756DE" authorityName="SPP. VON MEYER" authorityYear="1837" box="[270,434,406,432]" class="Reptilia" family="Teleosauridae" genus="Machimosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="123" pageNumber="256" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9573B721D47FF8CFEAC93D5FE7756DE" box="[270,434,406,432]" italics="true" pageId="123" pageNumber="256">Machimosaurus</emphasis>
|
||
</taxonomicName>
|
||
flares out from the shaft but is only slightly larger mediolaterally than the thinnest portion of the shaft similar to
|
||
<taxonomicName id="4C239CE31D47FF8CFE209395FDA1569E" authorityName="Von Quenstedt" authorityYear="1856" baseAuthorityName="Plieninger" baseAuthorityYear="1846" box="[386,612,470,496]" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="123" pageNumber="256" phylum="Chordata" rank="species" species="maximus">
|
||
<emphasis id="B9573B721D47FF8CFE209395FDA1569E" box="[386,612,470,496]" italics="true" pageId="123" pageNumber="256">Dakosaurus maximus</emphasis>
|
||
</taxonomicName>
|
||
, but unlike in
|
||
<taxonomicName id="4C239CE31D47FF8CFF2493B5FEB5557E" authorityName="Lydekker" authorityYear="1890" box="[134,368,502,528]" class="Reptilia" family="Metriorhynchidae" genus="Suchodus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="123" pageNumber="256" phylum="Chordata" rank="species" species="durobrivensis">
|
||
<emphasis id="B9573B721D47FF8CFF2493B5FEB5557E" box="[134,368,502,528]" italics="true" pageId="123" pageNumber="256">Suchodus durobrivensis</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D47FF8CFEDE93B5FEC7555F" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="123" pageNumber="256" phylum="Chordata" rank="species" species="superciliosus">
|
||
<emphasis id="B9573B721D47FF8CFEDE93B5FD51557E" box="[380,660,502,528]" italics="true" pageId="123" pageNumber="256">Thalattosuchus superciliosus</emphasis>
|
||
NHMUK PV R 2054
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D47FF8CFEB19054FE22555E" baseAuthorityName="Fraas" baseAuthorityYear="1901" box="[275,487,535,561]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="123" pageNumber="256" phylum="Chordata" rank="species" species="suevicus">
|
||
<emphasis id="B9573B721D47FF8CFEB19054FE22555E" box="[275,487,535,561]" italics="true" pageId="123" pageNumber="256">Cricosaurus suevicus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D47FF8CFE549054FCC5555E" authorityName="Sachs et al." authorityYear="2019" baseAuthorityName="Sachs, Young, Abel & Mallison" baseAuthorityYear="2019" box="[502,768,534,561]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="123" pageNumber="256" phylum="Chordata" rank="species" species="bambergensis">
|
||
<emphasis id="B9573B721D47FF8CFE549054FCC5555E" box="[502,768,534,561]" italics="true" pageId="123" pageNumber="256">Cricosaurus bambergensis</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D47FF8CFF269075FE97553E" box="[132,338,566,592]" class="Reptilia" family="Metriorhynchidae" genus="Geosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="123" pageNumber="256" phylum="Chordata" rank="species" species="giganteus">
|
||
<emphasis id="B9573B721D47FF8CFF269075FE97553E" box="[132,338,566,592]" italics="true" pageId="123" pageNumber="256">Geosaurus giganteus</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |