treatments-xml/data/03/8A/56/038A56761D03FFB2FC8F9757FEA653A0.xml
2024-06-21 12:22:17 +02:00

749 lines
97 KiB
XML
Raw Permalink Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<document id="535981731E87D0DAEE710BF0FBBA85C4" 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. &amp; Jouve, Stéphane" docDate="2024" docId="038A56761D03FFB2FC8F9757FEA653A0" 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="Dakosaurus maximus SMNS" docType="treatment" docVersion="4" lastPageNumber="202" masterDocId="FFB32E0E1D3CFFF7FFA29243FFC5576E" masterDocTitle="Form and function of the pelvic girdle of Thalattosuchia and Dyrosauridae (Crocodyliformes)" masterLastPageNumber="326" masterPageNumber="135" pageNumber="196" updateTime="1714680973700" updateUser="ExternalLinkService" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0">
<mods:mods id="D9B6C6E01E0C007617EA2C456584224B" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="981C94BC5699997D95A514C5238C4697">
<mods:title id="CA435F5297704775D94744103D205459">Form and function of the pelvic girdle of Thalattosuchia and Dyrosauridae (Crocodyliformes)</mods:title>
</mods:titleInfo>
<mods:name id="A363C5108C931F33EB013A1B7EF2C9F0" type="personal">
<mods:role id="828F182B911DF83825E50D5353E58A43">
<mods:roleTerm id="AF6B8D5144CF6325F5BF4539D050537B">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="C0F355474B37146CBC058B6B12D24BD9">Scavezzoni, Isaure</mods:namePart>
<mods:affiliation id="71900F893E1D9C95767A3043B4F87235">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>
<mods:nameIdentifier id="2CBBF42CA82351BE9F99348C453A2DE0" type="email">isaure.scavezzoni@gmail.com</mods:nameIdentifier>
</mods:name>
<mods:name id="13D1CBA6CFB6603A05EE85EEAB272FE5" type="personal">
<mods:role id="90F74B4635D3127604E76014E5BB55FF">
<mods:roleTerm id="D021B56FEF2582719EC950B1CB3445AF">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="9F97ACE6698E118874CB30E050E90444">Fischer, Valentin</mods:namePart>
<mods:affiliation id="4A9402CAC32435597F92828568F2E6D1">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>
<mods:nameIdentifier id="F9DAE704932362FBB78104ACB2A7D353" type="email">v.fischer@uliege.be</mods:nameIdentifier>
</mods:name>
<mods:name id="07554B40E87023D391A0FE1B1244F288" type="personal">
<mods:role id="7B1D78C74C99A9BE530CB170C337A03B">
<mods:roleTerm id="9981D1C4CD8B8A64C22CAAA49FE99E0C">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="02ED76CE6B4AA3DDAA2C19C129024AE7">Johnson, Michela M.</mods:namePart>
<mods:affiliation id="67C211C0CA798F00FA6D3B134D7CE7BE">Department of Palaeontology, Staatliches Museum für Naturkunde Stuttgart, Museum am LÖwentor, Rosenstein 1, 70191 Stuttgart (Germany) michela. johnson @ smns-bw. de</mods:affiliation>
<mods:nameIdentifier id="3B7D573DB7786E1608ECE13E140CC03C" type="email">michela.johnson@smns-bw.de</mods:nameIdentifier>
</mods:name>
<mods:name id="23CDE865D96858AFA3D591E90DA46474" type="personal">
<mods:role id="19651E96EF551FDC2BC149F8E824FED6">
<mods:roleTerm id="51AFF3431558A81FE554EA7F8F7937E3">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="11B8A646DA7DA0B30E3C83E30AC00769">Jouve, Stéphane</mods:namePart>
<mods:affiliation id="7BEAFD1D63AAF21806BC30DBAA24493D">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>
<mods:nameIdentifier id="4372F60972E5D7F80E54F7472997E9C9" type="email">stephane.jouve@sorbonne-universite.fr</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource id="F16F9207EDAD3CD2A72C310423A504DE">text</mods:typeOfResource>
<mods:relatedItem id="1137E90168439808B142533C8EE45F93" type="host">
<mods:titleInfo id="2A6213C84F1C4130B39C86DC07DE3C32">
<mods:title id="E860979F82DDE5D096EE69235866A57A">Geodiversitas</mods:title>
</mods:titleInfo>
<mods:part id="30BBE77E9E8B90E04A74777D04C2F4AE">
<mods:date id="32683F44AADB7DBB68F71E22A60E843C">2024</mods:date>
<mods:detail id="A9B39586B4D0C25BF93A1D1C80C536F8" type="pubDate">
<mods:number id="ADA6A0AF9906B708D246FBB11564BA33">2024-05-02</mods:number>
</mods:detail>
<mods:detail id="5D0BF4A7585EE3D201538E6B60772F2C" type="volume">
<mods:number id="AA580E2B75F62685CC3F28171EA03697">46</mods:number>
</mods:detail>
<mods:detail id="5726B988318BB5F190DBEA88B0562F4C" type="issue">
<mods:number id="E90BA27EECBEA1A9CE7BCFFD2875D752">6</mods:number>
</mods:detail>
<mods:extent id="02F2035DACD96F971C8C7267A7D764CD" unit="page">
<mods:start id="174B59A876088316AE2249FA67939A8C">135</mods:start>
<mods:end id="D8ACBEE530290B6147BF18C2BA9D524B">326</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location id="27B80453E0A1518139CD7D27DEDA74CA">
<mods:url id="7E74F8A647E16026077C3194ACEB5E63">https://sciencepress.mnhn.fr/sites/default/files/articles/pdf/g2024v46a6.pdf</mods:url>
</mods:location>
<mods:classification id="02584F1A5C7D29F6DF0853B815433CBB">journal article</mods:classification>
<mods:identifier id="77B6776BB10D8551ED9F2A0CE04408AE" type="DOI">10.5252/geodiversitas2024v46a6</mods:identifier>
<mods:identifier id="4A5656888D308E8AE65B4296567C5DA5" type="ISSN">1638-9395</mods:identifier>
<mods:identifier id="C065380C6570441FC91372114D4095E2" type="Zenodo-Dep">11106598</mods:identifier>
<mods:identifier id="360180DD68D97A6812F42EFF9337417A" type="ZooBank">urn:lsid:zoobank.org:pub:6ACF6A79-9149-4781-808D-478668673EB6</mods:identifier>
</mods:mods>
<treatment id="038A56761D03FFB2FC8F9757FEA653A0" ID-DOI="http://doi.org/10.5281/zenodo.11105990" ID-Zenodo-Dep="11105990" LSID="urn:lsid:plazi:treatment:038A56761D03FFB2FC8F9757FEA653A0" httpUri="http://treatment.plazi.org/id/038A56761D03FFB2FC8F9757FEA653A0" lastPageId="69" lastPageNumber="202" pageId="63" pageNumber="196">
<subSubSection id="C339B4EB1D03FFC8FC8F9757FB3C5243" box="[813,1273,1299,1326]" pageId="63" pageNumber="196" type="nomenclature">
<paragraph id="8B9CE7601D03FFC8FC8F9757FB3C5243" blockId="63.[811,1455,1299,1389]" box="[813,1273,1299,1326]" pageId="63" pageNumber="196">
<taxonomicName id="4C239CE31D03FFC8FC8F9757FB3C5243" authority="(PLIENINGER, 1846)" authorityName="SMNS" baseAuthorityName="Plieninger" baseAuthorityYear="1846" box="[813,1273,1299,1326]" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="313" phylum="Chordata" rank="species" species="maximus">
<emphasis id="B9573B721D03FFC8FC8F9757FBDF5242" box="[813,1050,1300,1325]" italics="true" pageId="63" pageNumber="196">
<smallCapsWord id="8D7A71BC1D03FFC8FC8F9757FC705242" baselines="1319,1319" box="[813,949,1300,1325]" lowerCaseFontSize="8" mainFontSize="11" normCase="title" normString="Dakosaurus" pageId="63" pageNumber="196">DAKOSAURUS</smallCapsWord>
<smallCapsWord id="8D7A71BC1D03FFC8FC1E975AFBDF5242" baselines="1319" box="[956,1050,1305,1324]" lowerCaseFontSize="8" mainFontSize="11" normCase="lower" normString="maximus" pageId="63" pageNumber="196">MAXIMUS</smallCapsWord>
</emphasis>
(
<bibRefCitation id="EFB29A911D03FFC8FB889757FB345243" author="PLIENINGER T." box="[1066,1265,1299,1326]" pageId="63" pageNumber="196" pagination="129 - 183" refId="ref115024" refString="PLIENINGER T. 1846. - Prof. Dr. Th. Plieninger hielt nachstehenden vortrag uber ein neues Sauriergenus und die Einreihung der Saurier mit flachen, schneidenden Zahnen in eine Familie. Pp. 148 - 154, in Zweite Generalversammlung am 1. Mai 1846 zu Tubingen, Wurttembergische naturwissenschaftliche Jahreshefte 2: 129 - 183." type="journal article" year="1846">
<smallCapsWord id="8D7A71BC1D03FFC8FB889757FB6F5242" baselines="1319,1319" box="[1066,1194,1300,1326]" lowerCaseFontSize="8" mainFontSize="11" normCase="title" normString="Plieninger" pageId="63" pageNumber="196">PLIENINGER</smallCapsWord>
, 1846
</bibRefCitation>
)
</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection id="C339B4EB1D03FFC8FC8F9777FA6B5203" pageId="63" pageNumber="196" type="materials_examined">
<paragraph id="8B9CE7601D03FFC8FC8F9777FA6B5203" blockId="63.[811,1455,1299,1389]" pageId="63" pageNumber="196">For measurements, seeTables 7-9. The specimen SMNS 8203 is fragmentary and hence includes potential reconstructions.</paragraph>
</subSubSection>
<subSubSection id="C339B4EB1D03FFB2FC8F97D0FEA653A0" lastPageId="69" lastPageNumber="202" pageId="63" pageNumber="196" type="description">
<paragraph id="8B9CE7601D03FFC8FC8F97D0FCA252C3" blockId="63.[813,871,1427,1453]" box="[813,871,1427,1453]" pageId="63" pageNumber="196">
<heading id="D0D4500C1D03FFC8FC8F97D0FCA252C3" box="[813,871,1427,1453]" fontSize="11" level="2" pageId="63" pageNumber="196" reason="8">
<emphasis id="B9573B721D03FFC8FC8F97D0FCA252C3" box="[813,871,1427,1453]" italics="true" pageId="63" pageNumber="196">Ilium</emphasis>
</heading>
</paragraph>
<paragraph id="8B9CE7601D03FFC8FC8F97F0FB945103" blockId="63.[811,1457,1459,2028]" pageId="63" pageNumber="196">
The ilium of
<taxonomicName id="4C239CE31D03FFC8FC6497F0FB6952A3" authorityName="SMNS" baseAuthorityName="Plieninger" baseAuthorityYear="1846" box="[966,1196,1459,1485]" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="maximus">
<emphasis id="B9573B721D03FFC8FC6497F0FB6952A3" box="[966,1196,1459,1485]" italics="true" pageId="63" pageNumber="196">Dakosaurus maximus</emphasis>
</taxonomicName>
(
<figureCitation id="1318FBE51D03FFC8FB1F97F0FAD552A3" box="[1213,1296,1459,1485]" captionStart="FIG" captionStartId="66.[132,143,1986,2003]" captionTargetBox="[137,1456,178,1934]" captionTargetId="figure-17@66.[145,1377,230,1875]" captionTargetPageId="66" captionText="FIG. 32. — Left and right ilia of Dakosaurus maximus (Plieninger, 1846) Von Quenstedt, 1856, SMNS 8203: A, left ilium in lateral view; B, left ilium in medial view; C, left ischium in lateral view; D, left pubis in lateral view; E, left pubis in anterior view. Target indicates anterior. Arrow points anteriorly. Scale bar: 1 cm." figureDoi="http://doi.org/10.5281/zenodo.11106666" httpUri="https://zenodo.org/record/11106666/files/figure.png" pageId="63" pageNumber="196">Figs 32</figureCitation>
;
<figureCitation id="1318FBE51D03FFC8FA8297F0FAF852A3" box="[1312,1341,1459,1485]" captionStart="FIG" captionStartId="68.[132,143,1986,2003]" captionTargetBox="[139,1456,186,1913]" captionTargetId="figure-17@68.[139,1436,205,1855]" captionTargetPageId="68" captionText="FIG. 33. — Pelvic reconstruction of Dakosaurus maximus (Plieninger, 1846), SMNS 8203: A, lateral view; B, anterior view; C, ventral view; D, dorsal view. Arrow points anteriorly. Target indicates anterior. The right pubis is mirrored. Scale bar: 5 cm." figureDoi="http://doi.org/10.5281/zenodo.11106668" httpUri="https://zenodo.org/record/11106668/files/figure.png" pageId="63" pageNumber="196">33</figureCitation>
) seems to display the typical triangular silhouette of metriorhynchoids (e.g.
<taxonomicName id="4C239CE31D03FFC8FCCA97B0FAAC5163" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" box="[872,1385,1523,1549]" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="brachyrhynchus">
<emphasis id="B9573B721D03FFC8FCCA97B0FBCC5163" box="[872,1033,1523,1549]" italics="true" pageId="63" pageNumber="196">Metriorhynchus</emphasis>
<emphasis id="B9573B721D03FFC8FBB497B0FB715163" box="[1046,1204,1523,1549]" italics="true" pageId="63" pageNumber="196">brachyrhynchus</emphasis>
NHMUK PV R
</taxonomicName>
4763,
<taxonomicName id="4C239CE31D03FFC8FC8F9451FBD75142" authorityName="Lydekker" authorityYear="1890" box="[813,1042,1554,1580]" class="Reptilia" family="Metriorhynchidae" genus="Suchodus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="durobrivensis">
<emphasis id="B9573B721D03FFC8FC8F9451FBD75142" box="[813,1042,1554,1580]" italics="true" pageId="63" pageNumber="196">Suchodus durobrivensis</emphasis>
</taxonomicName>
,
<taxonomicName id="4C239CE31D03FFC8FBBC9451FAEB5142" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" box="[1054,1326,1554,1580]" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="superciliosus">
<emphasis id="B9573B721D03FFC8FBBC9451FAEB5142" box="[1054,1326,1554,1580]" italics="true" pageId="63" pageNumber="196">Thalattosuchus superciliosus</emphasis>
</taxonomicName>
,
<taxonomicName id="4C239CE31D03FFC8FA989450FCB95122" baseAuthorityName="Fraas" baseAuthorityYear="1901" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="suevicus">
<emphasis id="B9573B721D03FFC8FA989450FCB95122" italics="true" pageId="63" pageNumber="196">Cricosaurus suevicus</emphasis>
</taxonomicName>
,
<taxonomicName id="4C239CE31D03FFC8FC259470FB405122" authorityName="Sachs et al." authorityYear="2021" baseAuthorityName="Sachs, Young, Abel &amp; Mallison" baseAuthorityYear="2021" box="[903,1157,1586,1613]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="albersdoerferi">
<emphasis id="B9573B721D03FFC8FC259470FB405122" box="[903,1157,1586,1613]" italics="true" pageId="63" pageNumber="196">Cricosaurus albersdoerferi</emphasis>
</taxonomicName>
, etc.), conveying the absence of a postacetabular process.
</paragraph>
<paragraph id="8B9CE7601D03FFB4FCE19431FEBB555E" blockId="63.[811,1457,1459,2028]" lastBlockId="67.[130,777,215,1198]" lastPageId="67" lastPageNumber="200" pageId="63" pageNumber="196">
The anterior margin of the ilium underneath the preacetabular process is straight as in
<taxonomicName id="4C239CE31D03FFC8FB2D94D0FA9A51C2" baseAuthorityName="Fraas" baseAuthorityYear="1901" box="[1167,1375,1683,1709]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="suevicus">
<emphasis id="B9573B721D03FFC8FB2D94D0FA9A51C2" box="[1167,1375,1683,1709]" italics="true" pageId="63" pageNumber="196">Cricosaurus suevicus</emphasis>
</taxonomicName>
,
<taxonomicName id="4C239CE31D03FFC8FACC94D0FBC751A2" authorityName="Sachs et al." authorityYear="2021" baseAuthorityName="Sachs, Young, Abel &amp; Mallison" baseAuthorityYear="2021" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="albersdoerferi">
<emphasis id="B9573B721D03FFC8FACC94D0FBC751A2" italics="true" pageId="63" pageNumber="196">Cricosaurus albersdoerferi</emphasis>
</taxonomicName>
,
<taxonomicName id="4C239CE31D03FFC8FBB094F1FAC051A2" authorityName="Lydekker" authorityYear="1890" box="[1042,1285,1714,1740]" class="Reptilia" family="Metriorhynchidae" genus="Suchodus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="durobrivensis">
<emphasis id="B9573B721D03FFC8FBB094F1FAC051A2" box="[1042,1285,1714,1740]" italics="true" pageId="63" pageNumber="196">Suchodus durobrivensis</emphasis>
</taxonomicName>
, and
<taxonomicName id="4C239CE31D03FFC8FAE594F1FC555182" authorityName="NHMUK PV R" authorityYear="1230" class="Reptilia" family="Metriorhynchidae" genus="Geosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="giganteus">
<emphasis id="B9573B721D03FFC8FAE594F1FC555182" italics="true" pageId="63" pageNumber="196">Geosaurus giganteus</emphasis>
</taxonomicName>
. The bony acetabulum of
<taxonomicName id="4C239CE31D03FFC8FB649491FA745182" authorityName="SMNS" baseAuthorityName="Plieninger" baseAuthorityYear="1846" box="[1222,1457,1746,1772]" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="maximus">
<emphasis id="B9573B721D03FFC8FB649491FA745182" box="[1222,1457,1746,1772]" italics="true" pageId="63" pageNumber="196">Dakosaurus maximus</emphasis>
</taxonomicName>
forms a relatively marked hollow, extending up until about half the height of the ilium dorsoventrally as in other metriorhynchoids (e.g.
<taxonomicName id="4C239CE31D03FFC8FC499572FCAC5002" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="brachyrhynchus">
<emphasis id="B9573B721D03FFC8FC499572FB495025" box="[1003,1164,1841,1867]" italics="true" pageId="63" pageNumber="196">Metriorhynchus</emphasis>
<emphasis id="B9573B721D03FFC8FB399572FAFC5025" box="[1179,1337,1841,1867]" italics="true" pageId="63" pageNumber="196">brachyrhynchus</emphasis>
NHMUK PV R
</taxonomicName>
3804,
<taxonomicName id="4C239CE31D03FFC8FC1B9512FB6C5005" authorityName="Lydekker" authorityYear="1890" box="[953,1193,1873,1899]" class="Reptilia" family="Metriorhynchidae" genus="Suchodus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="durobrivensis">
<emphasis id="B9573B721D03FFC8FC1B9512FB6C5005" box="[953,1193,1873,1899]" italics="true" pageId="63" pageNumber="196">Suchodus durobrivensis</emphasis>
</taxonomicName>
,
<taxonomicName id="4C239CE31D03FFC8FB1B9512FC9850E5" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="superciliosus">
<emphasis id="B9573B721D03FFC8FB1B9512FC9850E5" italics="true" pageId="63" pageNumber="196">Thalattosuchus superciliosus</emphasis>
</taxonomicName>
,
<taxonomicName id="4C239CE31D03FFC8FCCF9531FB8450E5" baseAuthorityName="Fraas" baseAuthorityYear="1901" box="[877,1089,1906,1932]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="suevicus">
<emphasis id="B9573B721D03FFC8FCCF9531FB8450E5" box="[877,1089,1906,1932]" italics="true" pageId="63" pageNumber="196">Cricosaurus suevicus</emphasis>
</taxonomicName>
, etc.). Moreover, the acetabulum of
<taxonomicName id="4C239CE31D03FFC8FCEE95D2FBF450C5" authorityName="SMNS" baseAuthorityName="Plieninger" baseAuthorityYear="1846" box="[844,1073,1937,1963]" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="maximus">
<emphasis id="B9573B721D03FFC8FCEE95D2FBF450C5" box="[844,1073,1937,1963]" italics="true" pageId="63" pageNumber="196">Dakosaurus maximus</emphasis>
</taxonomicName>
appears to be bordered anteriorly by a laterally prominent pubic peduncle-supraacetabular complex acting here as a physical barrier. Such a structure is also observed
<taxonomicName id="4C239CE31D7FFFB4FEBD9294FF50567C" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="brachyrhynchus">
<emphasis id="B9573B721D7FFFB4FEBD9294FE05579F" box="[287,448,215,241]" italics="true" pageId="67" pageNumber="200">Metriorhynchus</emphasis>
<emphasis id="B9573B721D7FFFB4FE6E9294FDAF579F" box="[460,618,215,241]" italics="true" pageId="67" pageNumber="200">brachyrhynchus</emphasis>
NHMUK PV R
</taxonomicName>
3804,
<taxonomicName id="4C239CE31D7FFFB4FF5292B4FCCC567C" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" box="[240,777,247,274]" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="brachyrhynchus">
<emphasis id="B9573B721D7FFFB4FF5292B4FE50567F" box="[240,405,247,273]" italics="true" pageId="67" pageNumber="200">Metriorhynchus</emphasis>
<emphasis id="B9573B721D7FFFB4FE0792B4FD82567F" box="[421,583,247,273]" italics="true" pageId="67" pageNumber="200">brachyrhynchus</emphasis>
NHMUK PV R
</taxonomicName>
4763,
<taxonomicName id="4C239CE31D7FFFB4FF6F935BFE3B565F" authority="YOUNG, DE ANDRADE, BRUSATTE, SAKAMOTO &amp; LISTON, 2012" authorityName="Young, Andrade, Brusatte, Sakamoto &amp; Liston" authorityYear="2012" box="[205,510,279,305]" family="Metriorhynchidae" genus="Tyrannoneustes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="lythrodectikos">
<emphasis id="B9573B721D7FFFB4FF6F935BFE3B565F" box="[205,510,279,305]" italics="true" pageId="67" pageNumber="200">Tyrannoneustes lythrodectikos</emphasis>
</taxonomicName>
,
<taxonomicName id="4C239CE31D7FFFB4FDAC9354FD3A565F" authorityName="Lydekker" authorityYear="1890" box="[526,767,279,305]" class="Reptilia" family="Metriorhynchidae" genus="Suchodus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="durobrivensis">
<emphasis id="B9573B721D7FFFB4FDAC9354FD3A565F" box="[526,767,279,305]" italics="true" pageId="67" pageNumber="200">Suchodus durobrivensis</emphasis>
</taxonomicName>
, and maybe
<taxonomicName id="4C239CE31D7FFFB4FEA59374FE1D563F" baseAuthorityName="Fraas" baseAuthorityYear="1901" box="[263,472,311,337]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="suevicus">
<emphasis id="B9573B721D7FFFB4FEA59374FE1D563F" box="[263,472,311,337]" italics="true" pageId="67" pageNumber="200">Cricosaurus suevicus</emphasis>
</taxonomicName>
, but does not seem present in
<taxonomicName id="4C239CE31D7FFFB4FF069314FE15561F" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" box="[164,464,343,369]" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="superciliosus">
<emphasis id="B9573B721D7FFFB4FF069314FE15561F" box="[164,464,343,369]" italics="true" pageId="67" pageNumber="200">Thalattosuchus superciliosus</emphasis>
</taxonomicName>
. Comparatively, this pubic peduncle supraacetabular complex is still less protruding laterally than the ischial peduncle is, which is a common relation found in all other crocodyliforms. The acetabular perforation of
<taxonomicName id="4C239CE31D7FFFB4FEB99395FE3D569E" authorityName="Von Quenstedt" authorityYear="1856" baseAuthorityName="Plieninger" baseAuthorityYear="1846" box="[283,504,470,496]" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="maximus">
<emphasis id="B9573B721D7FFFB4FEB99395FE3D569E" box="[283,504,470,496]" italics="true" pageId="67" pageNumber="200">Dakosaurus maximus</emphasis>
</taxonomicName>
forms a shallow notch on the ventral margin of the ilium, and also marks the position of the ischial peduncle.
</paragraph>
<caption id="DF5CB7E81D7CFFB7FF269581FBA65087" ID-DOI="http://doi.org/10.5281/zenodo.11106662" ID-Zenodo-Dep="11106662" httpUri="https://zenodo.org/record/11106662/files/figure.png" pageId="64" pageNumber="197" startId="64.[132,143,1986,2003]" targetBox="[160,1425,216,1867]" targetPageId="64" targetType="figure">
<paragraph id="8B9CE7601D7CFFB7FF269581FBA65087" blockId="64.[132,1455,1986,2025]" pageId="64" pageNumber="197">
<smallCapsWord id="8D7A71BC1D7CFFB7FF269581FF5850BC" baselines="1999,1999" box="[132,157,1986,2003]" lowerCaseFontSize="5" mainFontSize="7" normCase="title" normString="Fig" pageId="64" pageNumber="197">FIG</smallCapsWord>
. 30. — Pelvic girdle elements of
<taxonomicName id="4C239CE31D7CFFB7FE0E9581FCEF50BD" authority="(Von SOmmerring, 1816)" authorityName="sensu Von Quenstedt" authorityYear="1852" baseAuthorityName="Von Sommerring" baseAuthorityYear="1816" box="[428,810,1986,2003]" class="Reptilia" family="Metriorhynchidae" genus="Geosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="64" pageNumber="157" phylum="Chordata" rank="species" species="giganteus">
<emphasis id="B9573B721D7CFFB7FE0E9581FD9E50BD" box="[428,603,1986,2003]" italics="true" pageId="64" pageNumber="197">Geosaurus giganteus</emphasis>
(
<bibRefCitation id="EFB29A911D7CFFB7FDC19581FCE350BD" author="VON SOMMERRING S. T." box="[611,806,1986,2003]" pageId="64" pageNumber="197" pagination="37 - 59" refId="ref117379" refString="VON SOMMERRING S. T. 1816. - Ueber die Lacerta gigantea der Vorwelt. Denkschriften der Koniglichen Akademie der Wisseschaften zu Munchen. Classe der Mathematik und Naturwissenschaften 6: 37 - 59. https: // www. biodiversitylibrary. org / page / 11479843" type="journal article" year="1816">Von SÖmmerring, 1816</bibRefCitation>
)
</taxonomicName>
, NHMUK PV R 1230:
<emphasis id="B9573B721D7CFFB7FC7E9581FC2C50BD" bold="true" box="[988,1001,1986,2003]" pageId="64" pageNumber="197">A</emphasis>
, right pubis anterior;
<emphasis id="B9573B721D7CFFB7FB3A9581FB6050BD" bold="true" box="[1176,1189,1986,2003]" pageId="64" pageNumber="197">B</emphasis>
, left ilium in lateral view;
<emphasis id="B9573B721D7CFFB7FAD09581FA4550BD" bold="true" box="[1394,1408,1986,2003]" pageId="64" pageNumber="197">C</emphasis>
, right femur in ventral view;
<emphasis id="B9573B721D7CFFB7FE98959BFE8D5087" bold="true" box="[314,328,2008,2025]" pageId="64" pageNumber="197">D</emphasis>
, right ischium in lateral view. Arrow points anteriorly. Target indicates anterior. Scale bar: 1 cm.
</paragraph>
</caption>
<caption id="DF5CB7E81D7DFFB6FF2695E8FD5E5087" ID-DOI="http://doi.org/10.5281/zenodo.11106664" ID-Zenodo-Dep="11106664" httpUri="https://zenodo.org/record/11106664/files/figure.png" pageId="65" pageNumber="198" startId="65.[132,143,1963,1980]" targetBox="[132,1456,182,1878]" targetPageId="65">
<paragraph id="8B9CE7601D7DFFB6FF2695E8FD5E5087" blockId="65.[132,1457,1963,2025]" pageId="65" pageNumber="198">
<smallCapsWord id="8D7A71BC1D7DFFB6FF2695E8FF5850D5" baselines="1976,1976" box="[132,157,1963,1980]" lowerCaseFontSize="5" mainFontSize="7" normCase="title" normString="Fig" pageId="65" pageNumber="198">FIG</smallCapsWord>
. 31. — Pelvic reconstruction of
<taxonomicName id="4C239CE31D7DFFB6FE0995E8FCEA50D2" authority="(Von SOmmerring, 1816)" authorityName="sensu Von Quenstedt" authorityYear="1852" baseAuthorityName="Von Sommerring" baseAuthorityYear="1816" box="[427,815,1963,1980]" class="Reptilia" family="Metriorhynchidae" genus="Geosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="65" pageNumber="157" phylum="Chordata" rank="species" species="giganteus">
<emphasis id="B9573B721D7DFFB6FE0995E8FD9E50D2" box="[427,603,1963,1980]" italics="true" pageId="65" pageNumber="198">Geosaurus giganteus</emphasis>
(
<bibRefCitation id="EFB29A911D7DFFB6FDC495E8FCEE50D2" author="VON SOMMERRING S. T." box="[614,811,1963,1980]" pageId="65" pageNumber="198" pagination="37 - 59" refId="ref117379" refString="VON SOMMERRING S. T. 1816. - Ueber die Lacerta gigantea der Vorwelt. Denkschriften der Koniglichen Akademie der Wisseschaften zu Munchen. Classe der Mathematik und Naturwissenschaften 6: 37 - 59. https: // www. biodiversitylibrary. org / page / 11479843" type="journal article" year="1816">Von SÖmmerring, 1816</bibRefCitation>
)
</taxonomicName>
, NHMUK PV R 1230; iIlium and pubis have been repaired; ischium has been reconstructed based on NHMUK PV R 4763:
<emphasis id="B9573B721D7DFFB6FDA29581FDC850BD" bold="true" box="[512,525,1986,2003]" pageId="65" pageNumber="198">A</emphasis>
, lateral view;
<emphasis id="B9573B721D7DFFB6FD229581FD4850BD" bold="true" box="[640,653,1986,2003]" pageId="65" pageNumber="198">B</emphasis>
, anterior view;
<emphasis id="B9573B721D7DFFB6FCAC9581FCD950BD" bold="true" box="[782,796,1986,2003]" pageId="65" pageNumber="198">C</emphasis>
, ventral view;
<emphasis id="B9573B721D7DFFB6FC369581FC6750BD" bold="true" box="[916,930,1986,2003]" pageId="65" pageNumber="198">D</emphasis>
, dorsal view. Arrow points anteriorly. Target indicates anterior. The right ilium, ischium and pubis are mirrored. Scale bar:
<quantity id="4CDB4A851D7DFFB6FDC9959BFD5D5087" box="[619,664,2008,2025]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="65" pageNumber="198" unit="cm" value="1.0">1 cm</quantity>
.
</paragraph>
</caption>
<caption id="DF5CB7E81D7EFFB5FF269581FABD5087" ID-DOI="http://doi.org/10.5281/zenodo.11106666" ID-Zenodo-Dep="11106666" httpUri="https://zenodo.org/record/11106666/files/figure.png" pageId="66" pageNumber="199" startId="66.[132,143,1986,2003]" targetBox="[137,1456,178,1934]" targetPageId="66" targetType="figure">
<paragraph id="8B9CE7601D7EFFB5FF269581FABD5087" blockId="66.[132,1457,1986,2025]" pageId="66" pageNumber="199">
<smallCapsWord id="8D7A71BC1D7EFFB5FF269581FF5850BC" baselines="1999,1999" box="[132,157,1986,2003]" lowerCaseFontSize="5" mainFontSize="7" normCase="title" normString="Fig" pageId="66" pageNumber="199">FIG</smallCapsWord>
. 32. — Left and right ilia of
<taxonomicName id="4C239CE31D7EFFB5FE219581FC4550BD" authority="(Plieninger, 1846) Von Quenstedt, 1856" authorityName="Von Quenstedt" authorityYear="1856" baseAuthorityName="Plieninger" baseAuthorityYear="1846" box="[387,896,1986,2003]" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="66" pageNumber="199" phylum="Chordata" rank="species" species="maximus">
<emphasis id="B9573B721D7EFFB5FE219581FDF650BD" box="[387,563,1986,2003]" italics="true" pageId="66" pageNumber="199">Dakosaurus maximus</emphasis>
(
<bibRefCitation id="EFB29A911D7EFFB5FD9E9581FD0650BD" author="PLIENINGER T." box="[572,707,1986,2003]" pageId="66" pageNumber="199" pagination="129 - 183" refId="ref115024" refString="PLIENINGER T. 1846. - Prof. Dr. Th. Plieninger hielt nachstehenden vortrag uber ein neues Sauriergenus und die Einreihung der Saurier mit flachen, schneidenden Zahnen in eine Familie. Pp. 148 - 154, in Zweite Generalversammlung am 1. Mai 1846 zu Tubingen, Wurttembergische naturwissenschaftliche Jahreshefte 2: 129 - 183." type="journal article" year="1846">Plieninger, 1846</bibRefCitation>
)
<bibRefCitation id="EFB29A911D7EFFB5FD6F9581FC4550BD" author="VON QUENSTEDT F. A." box="[717,896,1986,2003]" pageId="66" pageNumber="199" refId="ref117285" refString="VON QUENSTEDT F. A. 1856. - Sonst und Jetzt: Populare Vortage uber Geologie. Laupp, Tubingen, 288 p. https: // mdz-nbn-resolving. de / details: bsb 10284413" type="book" year="1856">Von Quenstedt, 1856</bibRefCitation>
</taxonomicName>
, SMNS 8203:
<emphasis id="B9573B721D7EFFB5FC549581FBC650BD" bold="true" box="[1014,1027,1986,2003]" pageId="66" pageNumber="199">A</emphasis>
, left ilium in lateral view;
<emphasis id="B9573B721D7EFFB5FB719581FB2550BD" bold="true" box="[1235,1248,1986,2003]" pageId="66" pageNumber="199">B</emphasis>
, left ilium in medial view;
<emphasis id="B9573B721D7EFFB5FF26959BFF575087" bold="true" box="[132,146,2008,2025]" pageId="66" pageNumber="199">C</emphasis>
, left ischium in lateral view;
<emphasis id="B9573B721D7EFFB5FEDE959BFE4F5087" bold="true" box="[380,394,2008,2025]" pageId="66" pageNumber="199">D</emphasis>
, left pubis in lateral view;
<emphasis id="B9573B721D7EFFB5FDC0959BFDAB5087" bold="true" box="[610,622,2008,2025]" pageId="66" pageNumber="199">E</emphasis>
, left pubis in anterior view. Target indicates anterior. Arrow points anteriorly. Scale bar: 1 cm.
</paragraph>
</caption>
<paragraph id="8B9CE7601D7FFFB4FF399075FD1053C0" blockId="67.[130,777,215,1198]" pageId="67" pageNumber="200">
The sacral rib attachment sites on the medial side of the ilium are set in a way indicating that the position of the ilium
<taxonomicName id="4C239CE31D7FFFB4FF219034FF0855FE" baseAuthorityName="Tsai &amp; Holliday" baseAuthorityYear="2015" box="[131,205,631,656]" family="Teleosauridae" genus="Indosinosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="67" pageNumber="264" phylum="Chordata" rank="species" species="vivo">
<emphasis id="B9573B721D7FFFB4FF219034FF0855FE" box="[131,205,631,656]" italics="true" pageId="67" pageNumber="200">in vivo</emphasis>
</taxonomicName>
was anteriorly tilted (i.e. the ventral margin of the ilium was not placed horizontally) similar to several thalattosuchians (e.g.
<taxonomicName id="4C239CE31D7FFFB4FE9C90F6FF04559E" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="brachyrhynchus">
<emphasis id="B9573B721D7FFFB4FE9C90F6FE2555A1" box="[318,480,693,719]" italics="true" pageId="67" pageNumber="200">Metriorhynchus</emphasis>
<emphasis id="B9573B721D7FFFB4FE5290F6FD4A55A1" box="[496,655,693,719]" italics="true" pageId="67" pageNumber="200">brachyrhynchus</emphasis>
NHMUK PV R
</taxonomicName>
3804,
<taxonomicName id="4C239CE31D7FFFB4FEB59096FF5D547E" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="brachyrhynchus">
<emphasis id="B9573B721D7FFFB4FEB59096FE7D5581" box="[279,440,725,751]" italics="true" pageId="67" pageNumber="200">Metriorhynchus</emphasis>
<emphasis id="B9573B721D7FFFB4FE6A9096FDA35581" box="[456,614,725,751]" italics="true" pageId="67" pageNumber="200">brachyrhynchus</emphasis>
NHMUK PV R
</taxonomicName>
4763,
<taxonomicName id="4C239CE31D7FFFB4FF7D90B6FE0F5461" authorityName="Lydekker" authorityYear="1890" box="[223,458,757,783]" class="Reptilia" family="Metriorhynchidae" genus="Suchodus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="durobrivensis">
<emphasis id="B9573B721D7FFFB4FF7D90B6FE0F5461" box="[223,458,757,783]" italics="true" pageId="67" pageNumber="200">Suchodus durobrivensis</emphasis>
</taxonomicName>
,
<taxonomicName id="4C239CE31D7FFFB4FE7590B5FCC55461" authority="YOUNG, DE ANDRADE, BRUSATTE, SAKAMOTO &amp; LISTON, 2012" authorityName="Young, Andrade, Brusatte, Sakamoto &amp; Liston" authorityYear="2012" box="[471,768,757,783]" family="Metriorhynchidae" genus="Tyrannoneustes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="lythrodectikos">
<emphasis id="B9573B721D7FFFB4FE7590B5FCC55461" box="[471,768,757,783]" italics="true" pageId="67" pageNumber="200">Tyrannoneustes lythrodectikos</emphasis>
</taxonomicName>
,
<taxonomicName id="4C239CE31D7FFFB4FF269156FE675441" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" box="[132,418,789,815]" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="superciliosus">
<emphasis id="B9573B721D7FFFB4FF269156FE675441" box="[132,418,789,815]" italics="true" pageId="67" pageNumber="200">Thalattosuchus superciliosus</emphasis>
</taxonomicName>
,
<taxonomicName id="4C239CE31D7FFFB4FE139156FD745441" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[433,689,789,815]" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="obtusidens">
<emphasis id="B9573B721D7FFFB4FE139156FD745441" box="[433,689,789,815]" italics="true" pageId="67" pageNumber="200">Lemmysuchus obtusidens</emphasis>
</taxonomicName>
,
<taxonomicName id="4C239CE31D7FFFB4FD639156FE8E5421" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" genus="Charitomenosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="leedsi">
<emphasis id="B9573B721D7FFFB4FD639156FE8E5421" italics="true" pageId="67" pageNumber="200">Charitomenosuchus leedsi</emphasis>
</taxonomicName>
, etc.), but unlike extant crocodylians (e.g.
<taxonomicName id="4C239CE31D7FFFB4FF269116FE815401" box="[132,324,853,879]" class="Crocodylia" family="Alligatoridae" genus="Caiman" kingdom="Animalia" order="Eusuchia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="crocodilus">
<emphasis id="B9573B721D7FFFB4FF269116FE815401" box="[132,324,853,879]" italics="true" pageId="67" pageNumber="200">Caiman crocodilus</emphasis>
</taxonomicName>
[
<figureCitation id="1318FBE51D7FFFB4FEF69116FE575401" box="[340,402,853,879]" captionStart="FIG" captionStartId="21.[132,143,1986,2003]" captionTargetBox="[132,1441,166,1905]" captionTargetId="figure-15@21.[-252,1479,167,1865]" captionTargetPageId="21" captionText="FIG. 9. — Left pelvic girdle of Caiman crocodilus (Linnaeus, 1758), NHMW 30900: A, ilium in medial view; B, ilium in lateral view; C, ischium in medial view; D, ischium in lateral view; E, pubis in posterior view. Target indicates anterior. Arrow points anteriorly. Scale bar: 1 cm." figureDoi="http://doi.org/10.5281/zenodo.11106620" httpUri="https://zenodo.org/record/11106620/files/figure.png" pageId="67" pageNumber="200">Fig. 9</figureCitation>
] or
<taxonomicName id="4C239CE31D7FFFB4FE1D9115FD6D5401" box="[447,680,853,879]" class="Crocodylia" family="Crocodylidae" genus="Mecistops" kingdom="Animalia" order="Eusuchia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="cataphractus">
<emphasis id="B9573B721D7FFFB4FE1D9115FD6D5401" box="[447,680,853,879]" italics="true" pageId="67" pageNumber="200">Mecistops cataphractus</emphasis>
</taxonomicName>
[
<figureCitation id="1318FBE51D7FFFB4FD159116FD305401" box="[695,757,853,879]" captionStart="FIG" captionStartId="20.[132,143,1986,2003]" captionTargetBox="[149,1433,219,1874]" captionTargetId="figure-17@20.[226,1462,231,1900]" captionTargetPageId="20" captionText="FIG. 8. — Right pelvic girdle of Mecistops cataphractus Cuvier, 1825, RBINS 18374: A, ilium in lateral view; B, ischium in lateral view; C, pubis in ventral view; D, ilium in medial view. Cross indicates posterior. Arrow points anteriorly. Scale bar: 1 cm." figureDoi="http://doi.org/10.5281/zenodo.11106616" httpUri="https://zenodo.org/record/11106616/files/figure.png" pageId="67" pageNumber="200">Fig. 8</figureCitation>
]) and dyrosaurids (e.g.
<taxonomicName id="4C239CE31D7FFFB4FEC19136FD8C54E1" authorityName="MRAC" authorityYear="1806" box="[355,585,885,911]" class="Reptilia" family="Dyrosauridae" genus="Congosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="bequaerti">
<emphasis id="B9573B721D7FFFB4FEC19136FD8C54E1" box="[355,585,885,911]" italics="true" pageId="67" pageNumber="200">Congosaurus bequaerti</emphasis>
</taxonomicName>
,
<taxonomicName id="4C239CE31D7FFFB4FDF79135FF6554C1" class="Reptilia" family="Dyrosauridae" genus="Hyposaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="natator">
<emphasis id="B9573B721D7FFFB4FDF79135FF6554C1" italics="true" pageId="67" pageNumber="200">Hyposaurus natator</emphasis>
</taxonomicName>
,
<taxonomicName id="4C239CE31D7FFFB4FF0E91D5FE6054C1" box="[172,421,917,943]" class="Reptilia" family="Dyrosauridae" genus="Dyrosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="maghribensis">
<emphasis id="B9573B721D7FFFB4FF0E91D5FE6054C1" box="[172,421,917,943]" italics="true" pageId="67" pageNumber="200">Dyrosaurus maghribensis</emphasis>
</taxonomicName>
,
<taxonomicName id="4C239CE31D7FFFB4FE1391D6FD0F54C1" authority="Hastings, Bloch &amp; Jaramillo, 2011" authorityName="Hastings, Bloch &amp; Jaramillo" authorityYear="2011" box="[433,714,917,943]" family="Dyrosauridae" genus="Acherontisuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="guajiraensis">
<emphasis id="B9573B721D7FFFB4FE1391D6FD0F54C1" box="[433,714,917,943]" italics="true" pageId="67" pageNumber="200">Acherontisuchus guajiraensis</emphasis>
</taxonomicName>
). The exact shape of the sacral rib attachment sites is uncertain, but they seem to have been distinct bilobate structures (at least along their ventral margins). The sacral rib attachment sites form deep imprints on the ilium of
<taxonomicName id="4C239CE31D7FFFB4FDBF9657FCC55340" authorityName="Von Quenstedt" authorityYear="1856" baseAuthorityName="Plieninger" baseAuthorityYear="1846" box="[541,768,1044,1070]" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="maximus">
<emphasis id="B9573B721D7FFFB4FDBF9657FCC55340" box="[541,768,1044,1070]" italics="true" pageId="67" pageNumber="200">Dakosaurus maximus</emphasis>
</taxonomicName>
, similar to
<taxonomicName id="4C239CE31D7FFFB4FF5A9677FDDC5320" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" box="[248,537,1076,1102]" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="superciliosus">
<emphasis id="B9573B721D7FFFB4FF5A9677FDDC5320" box="[248,537,1076,1102]" italics="true" pageId="67" pageNumber="200">Thalattosuchus superciliosus</emphasis>
</taxonomicName>
but unlike the raised ones of
<taxonomicName id="4C239CE31D7FFFB4FF759617FE005300" authorityName="Lydekker" authorityYear="1890" box="[215,453,1108,1134]" class="Reptilia" family="Metriorhynchidae" genus="Suchodus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="durobrivensis">
<emphasis id="B9573B721D7FFFB4FF759617FE005300" box="[215,453,1108,1134]" italics="true" pageId="67" pageNumber="200">Suchodus durobrivensis</emphasis>
</taxonomicName>
,
<taxonomicName id="4C239CE31D7FFFB4FE719616FCC55300" authority="YOUNG, DE ANDRADE, BRUSATTE, SAKAMOTO &amp; LISTON, 2012" authorityName="Young, Andrade, Brusatte, Sakamoto &amp; Liston" authorityYear="2012" box="[467,768,1108,1134]" family="Metriorhynchidae" genus="Tyrannoneustes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="lythrodectikos">
<emphasis id="B9573B721D7FFFB4FE719616FCC55300" box="[467,768,1108,1134]" italics="true" pageId="67" pageNumber="200">Tyrannoneustes lythrodectikos</emphasis>
</taxonomicName>
,
<taxonomicName id="4C239CE31D7FFFB4FF299637FD5253E1" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" box="[139,663,1140,1167]" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="brachyrhynchus">
<emphasis id="B9573B721D7FFFB4FF299637FEE953E0" box="[139,300,1140,1166]" italics="true" pageId="67" pageNumber="200">Metriorhynchus</emphasis>
<emphasis id="B9573B721D7FFFB4FE999637FE1C53E0" box="[315,473,1140,1166]" italics="true" pageId="67" pageNumber="200">brachyrhynchus</emphasis>
NHMUK PV R
</taxonomicName>
3804 and
<taxonomicName id="4C239CE31D7FFFB4FF2996D7FD4A53C0" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" box="[139,655,1172,1198]" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="brachyrhynchus">
<emphasis id="B9573B721D7FFFB4FF2996D7FEE953C0" box="[139,300,1172,1198]" italics="true" pageId="67" pageNumber="200">Metriorhynchus</emphasis>
<emphasis id="B9573B721D7FFFB4FE9896D7FE1D53C0" box="[314,472,1172,1198]" italics="true" pageId="67" pageNumber="200">brachyrhynchus</emphasis>
NHMUK PV R
</taxonomicName>
4763.
</paragraph>
<paragraph id="8B9CE7601D7FFFB4FF269697FF105380" blockId="67.[132,213,1236,1262]" box="[132,213,1236,1262]" pageId="67" pageNumber="200">
<heading id="D0D4500C1D7FFFB4FF269697FF105380" box="[132,213,1236,1262]" fontSize="11" level="2" pageId="67" pageNumber="200" reason="8">
<emphasis id="B9573B721D7FFFB4FF269697FF105380" box="[132,213,1236,1262]" italics="true" pageId="67" pageNumber="200">Ischium</emphasis>
</heading>
</paragraph>
<paragraph id="8B9CE7601D7FFFB4FF2696B0FD2252C3" blockId="67.[130,777,1267,2028]" pageId="67" pageNumber="200">
The ischium of
<taxonomicName id="4C239CE31D7FFFB4FE8A96B0FDC35263" authorityName="Von Quenstedt" authorityYear="1856" baseAuthorityName="Plieninger" baseAuthorityYear="1846" box="[296,518,1267,1293]" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="maximus">
<emphasis id="B9573B721D7FFFB4FE8A96B0FDC35263" box="[296,518,1267,1293]" italics="true" pageId="67" pageNumber="200">Dakosaurus maximus</emphasis>
</taxonomicName>
(
<figureCitation id="1318FBE51D7FFFB4FDB496B0FDA75260" box="[534,610,1267,1294]" captionStart="FIG" captionStartId="66.[132,143,1986,2003]" captionTargetBox="[137,1456,178,1934]" captionTargetId="figure-17@66.[145,1377,230,1875]" captionTargetPageId="66" captionText="FIG. 32. — Left and right ilia of Dakosaurus maximus (Plieninger, 1846) Von Quenstedt, 1856, SMNS 8203: A, left ilium in lateral view; B, left ilium in medial view; C, left ischium in lateral view; D, left pubis in lateral view; E, left pubis in anterior view. Target indicates anterior. Arrow points anteriorly. Scale bar: 1 cm." figureDoi="http://doi.org/10.5281/zenodo.11106666" httpUri="https://zenodo.org/record/11106666/files/figure.png" pageId="67" pageNumber="200">Figs 32</figureCitation>
;
<figureCitation id="1318FBE51D7FFFB4FDCD96B7FD4E5260" box="[623,651,1268,1294]" captionStart="FIG" captionStartId="68.[132,143,1986,2003]" captionTargetBox="[139,1456,186,1913]" captionTargetId="figure-17@68.[139,1436,205,1855]" captionTargetPageId="68" captionText="FIG. 33. — Pelvic reconstruction of Dakosaurus maximus (Plieninger, 1846), SMNS 8203: A, lateral view; B, anterior view; C, ventral view; D, dorsal view. Arrow points anteriorly. Target indicates anterior. The right pubis is mirrored. Scale bar: 5 cm." figureDoi="http://doi.org/10.5281/zenodo.11106668" httpUri="https://zenodo.org/record/11106668/files/figure.png" pageId="67" pageNumber="200">33</figureCitation>
) stands out from that of most thalattosuchians in displaying the combination of a short and thick shaft and a short anterior process along with a dorsoventrally thick posterior process.
<taxonomicName id="4C239CE31D7FFFB4FD3E9717FED752E3" baseAuthorityName="Wilkinson, Young &amp; Benton" baseAuthorityYear="2008" class="Reptilia" family="Metriorhynchidae" genus="Torvoneustes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="carpenteri">
<emphasis id="B9573B721D7FFFB4FD3E9717FED752E3" italics="true" pageId="67" pageNumber="200">Torvoneustes carpenteri</emphasis>
</taxonomicName>
also displays a short anterior process and thick posterior process, but its shaft is slightly more elongated.
</paragraph>
<paragraph id="8B9CE7601D7FFFB4FF3997F0FB0E557E" blockId="67.[130,777,1267,2028]" lastBlockId="67.[811,1457,215,2028]" pageId="67" pageNumber="200">
The posterior peduncle of
<taxonomicName id="4C239CE31D7FFFB4FE1897F0FD5C52A3" authorityName="Von Quenstedt" authorityYear="1856" baseAuthorityName="Plieninger" baseAuthorityYear="1846" box="[442,665,1459,1485]" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="maximus">
<emphasis id="B9573B721D7FFFB4FE1897F0FD5C52A3" box="[442,665,1459,1485]" italics="true" pageId="67" pageNumber="200">Dakosaurus maximus</emphasis>
</taxonomicName>
is large as its anteroposterior width almost reaches that of the shaft at its thinnest portion or constriction. Unfortunately, the posterior peduncle is partially trapped with sediments so the exact shape of its articular surfaces is unclear. In parallel, the posterior peduncle of
<taxonomicName id="4C239CE31D7FFFB4FEAB9411FE225102" authorityName="Von Quenstedt" authorityYear="1856" baseAuthorityName="Plieninger" baseAuthorityYear="1846" box="[265,487,1618,1644]" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="maximus">
<emphasis id="B9573B721D7FFFB4FEAB9411FE225102" box="[265,487,1618,1644]" italics="true" pageId="67" pageNumber="200">Dakosaurus maximus</emphasis>
</taxonomicName>
does not significantly protrude dorsally from the shaft as in most thalattosuchians (e.g.
<emphasis id="B9573B721D7FFFB4FF2694D1FEF951C2" box="[132,316,1682,1708]" italics="true" pageId="67" pageNumber="200">
<taxonomicName id="4C239CE31D7FFFB4FF2694D1FEC151C2" box="[132,260,1682,1708]" class="Reptilia" family="Metriorhynchidae" genus="Pelagosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="genus">Pelagosaurus</taxonomicName>
typus
</emphasis>
,
<taxonomicName id="4C239CE31D7FFFB4FEED94D1FF0451A3" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="brachyrhynchus">
<emphasis id="B9573B721D7FFFB4FEED94D1FE2B51C2" box="[335,494,1682,1708]" italics="true" pageId="67" pageNumber="200">Metriorhynchus</emphasis>
<emphasis id="B9573B721D7FFFB4FE5B94D1FD5051C2" box="[505,661,1682,1708]" italics="true" pageId="67" pageNumber="200">brachyrhynchus</emphasis>
NHMUK PV R
</taxonomicName>
4763,
<taxonomicName id="4C239CE31D7FFFB4FEB594F1FF5D5182" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="brachyrhynchus">
<emphasis id="B9573B721D7FFFB4FEB594F1FE7D51A2" box="[279,440,1714,1740]" italics="true" pageId="67" pageNumber="200">Metriorhynchus</emphasis>
<emphasis id="B9573B721D7FFFB4FE6A94F1FDA351A2" box="[456,614,1714,1740]" italics="true" pageId="67" pageNumber="200">brachyrhynchus</emphasis>
NHMUK PV R
</taxonomicName>
3804,
<taxonomicName id="4C239CE31D7FFFB4FF449491FD3A5183" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" box="[230,767,1746,1773]" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="superciliosus">
<emphasis id="B9573B721D7FFFB4FF449491FDC15182" box="[230,516,1746,1772]" italics="true" pageId="67" pageNumber="200">Thalattosuchus superciliosus</emphasis>
NHMUK PV R 2054
</taxonomicName>
,
<taxonomicName id="4C239CE31D7FFFB4FF2694B1FE975062" baseAuthorityName="Fraas" baseAuthorityYear="1901" box="[132,338,1778,1804]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="suevicus">
<emphasis id="B9573B721D7FFFB4FF2694B1FE975062" box="[132,338,1778,1804]" italics="true" pageId="67" pageNumber="200">Cricosaurus suevicus</emphasis>
</taxonomicName>
,
<taxonomicName id="4C239CE31D7FFFB4FEFC94B1FDEC5062" authorityName="sensu Von Quenstedt" authorityYear="1852" baseAuthorityName="Von Sommerring" baseAuthorityYear="1816" box="[350,553,1778,1804]" class="Reptilia" family="Metriorhynchidae" genus="Geosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="giganteus">
<emphasis id="B9573B721D7FFFB4FEFC94B1FDEC5062" box="[350,553,1778,1804]" italics="true" pageId="67" pageNumber="200">Geosaurus giganteus</emphasis>
</taxonomicName>
,
<taxonomicName id="4C239CE31D7FFFB4FD9794B0FF625045" baseAuthorityName="Wilkinson, Young &amp; Benton" baseAuthorityYear="2008" class="Reptilia" family="Metriorhynchidae" genus="Torvoneustes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="carpenteri">
<emphasis id="B9573B721D7FFFB4FD9794B0FF625045" italics="true" pageId="67" pageNumber="200">Torvoneustes carpenteri</emphasis>
</taxonomicName>
,
<taxonomicName id="4C239CE31D7FFFB4FF119551FE185042" authority="YOUNG, DE ANDRADE, BRUSATTE, SAKAMOTO &amp; LISTON, 2012" authorityName="Young, Andrade, Brusatte, Sakamoto &amp; Liston" authorityYear="2012" box="[179,477,1810,1836]" family="Metriorhynchidae" genus="Tyrannoneustes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="lythrodectikos">
<emphasis id="B9573B721D7FFFB4FF119551FE185042" box="[179,477,1810,1836]" italics="true" pageId="67" pageNumber="200">Tyrannoneustes lythrodectikos</emphasis>
</taxonomicName>
,
<taxonomicName id="4C239CE31D7FFFB4FE489551FD545045" authorityName="NHMUK PV R" authorityYear="1086" box="[490,657,1810,1836]" class="Reptilia" family="Teleosauridae" genus="Aeolodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="priscus">
<emphasis id="B9573B721D7FFFB4FE489551FD545045" box="[490,657,1810,1836]" italics="true" pageId="67" pageNumber="200">Aeolodon priscus</emphasis>
</taxonomicName>
,
<taxonomicName id="4C239CE31D7FFFB4FD3F9551FEE55025" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="obtusidens">
<emphasis id="B9573B721D7FFFB4FD3F9551FEE55025" italics="true" pageId="67" pageNumber="200">Lemmysuchus obtusidens</emphasis>
</taxonomicName>
,
<taxonomicName id="4C239CE31D7FFFB4FE899571FD2D5025" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" box="[299,744,1841,1868]" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="edwardsi">
<emphasis id="B9573B721D7FFFB4FE899571FDF45025" box="[299,561,1841,1867]" italics="true" pageId="67" pageNumber="200">Neosteneosaurus edwardsi</emphasis>
,
<emphasis id="B9573B721D7FFFB4FD9C9572FD2D5025" box="[574,744,1841,1867]" italics="true" pageId="67" pageNumber="200">Proexochokefalos</emphasis>
</taxonomicName>
cf.
<emphasis id="B9573B721D7FFFB4FF269512FF295005" box="[132,236,1873,1899]" italics="true" pageId="67" pageNumber="200">bouchardi</emphasis>
). This effect is due to the relative position of the base of the peduncle bridge, which is located near the base of the posterior peduncle in
<taxonomicName id="4C239CE31D7FFFB4FE3C95D2FDB950C5" authorityName="Von Quenstedt" authorityYear="1856" baseAuthorityName="Plieninger" baseAuthorityYear="1846" box="[414,636,1937,1963]" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="maximus">
<emphasis id="B9573B721D7FFFB4FE3C95D2FDB950C5" box="[414,636,1937,1963]" italics="true" pageId="67" pageNumber="200">Dakosaurus maximus</emphasis>
</taxonomicName>
. Indeed, the peduncle bridge stems from the proximal edge of the ischium. Another consequence of this situation is the impression of an almost non-existent or reduced acetabular perforation on the lateral side of the bone, unlike in
<taxonomicName id="4C239CE31D7FFFB4FB2792B4FA44567F" authority="(Jager, 1828)" authorityName="(Jager)" baseAuthorityName="Jager" baseAuthorityYear="1828" box="[1157,1409,247,273]" class="Reptilia" family="Teleosauridae" genus="Macrospondylus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="bollensis">
<emphasis id="B9573B721D7FFFB4FB2792B4FA44567F" box="[1157,1409,247,273]" italics="true" pageId="67" pageNumber="200">Macrospondylus bollensis</emphasis>
</taxonomicName>
and
<taxonomicName id="4C239CE31D7FFFB4FC8F9354FBF3565F" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[813,1078,279,305]" genus="Charitomenosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="leedsi">
<emphasis id="B9573B721D7FFFB4FC8F9354FBF3565F" box="[813,1078,279,305]" italics="true" pageId="67" pageNumber="200">Charitomenosuchus leedsi</emphasis>
</taxonomicName>
which display a deeper acetabular perforation laterally. Presumably, the acetabular perforation of
<taxonomicName id="4C239CE31D7FFFB4FCE59314FBE1561F" authorityName="Von Quenstedt" authorityYear="1856" baseAuthorityName="Plieninger" baseAuthorityYear="1846" box="[839,1060,343,369]" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="maximus">
<emphasis id="B9573B721D7FFFB4FCE59314FBE1561F" box="[839,1060,343,369]" italics="true" pageId="67" pageNumber="200">Dakosaurus maximus</emphasis>
</taxonomicName>
formed a titled burrow on the medial side of the bone like all other thalattosuchians displaying the same configuration (especially methriorhynchoids). The acetabular perforation is borne by the dorsal surface of the peduncle bridge, which is unfortunately ruptured shortly after the start of its anterior slimming.
</paragraph>
<paragraph id="8B9CE7601D7FFFB4FCE19055FA9A5380" blockId="67.[811,1457,215,2028]" pageId="67" pageNumber="200">
The shaft as a whole is thick (anteroposteriorly longer than dorsoventrally high) similar to
<taxonomicName id="4C239CE31D7FFFB4FB269075FBCE551E" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="brachyrhynchus">
<emphasis id="B9573B721D7FFFB4FB269075FAE0553E" box="[1156,1317,566,592]" italics="true" pageId="67" pageNumber="200">Metriorhynchus</emphasis>
<emphasis id="B9573B721D7FFFB4FA969075FC9C551E" italics="true" pageId="67" pageNumber="200">brachyrhynchus</emphasis>
NHMUK PV R
</taxonomicName>
3804 and
<taxonomicName id="4C239CE31D7FFFB4FBD99014FA62551E" authority="YOUNG, DE ANDRADE, BRUSATTE, SAKAMOTO &amp; LISTON, 2012" authorityName="Young, Andrade, Brusatte, Sakamoto &amp; Liston" authorityYear="2012" box="[1147,1447,598,624]" family="Metriorhynchidae" genus="Tyrannoneustes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="lythrodectikos">
<emphasis id="B9573B721D7FFFB4FBD99014FA62551E" box="[1147,1447,598,624]" italics="true" pageId="67" pageNumber="200">Tyrannoneustes lythrodectikos</emphasis>
</taxonomicName>
, but unlike the more slender ones of
<taxonomicName id="4C239CE31D7FFFB4FB1D9035FA5455FE" baseAuthorityName="Fraas" baseAuthorityYear="1901" box="[1215,1425,630,656]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="suevicus">
<emphasis id="B9573B721D7FFFB4FB1D9035FA5455FE" box="[1215,1425,630,656]" italics="true" pageId="67" pageNumber="200">Cricosaurus suevicus</emphasis>
</taxonomicName>
or
<taxonomicName id="4C239CE31D7FFFB4FC8F90D5FBF155DE" authorityName="Sachs et al." authorityYear="2021" baseAuthorityName="Sachs, Young, Abel &amp; Mallison" baseAuthorityYear="2021" box="[813,1076,662,688]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="albersdoerferi">
<emphasis id="B9573B721D7FFFB4FC8F90D5FBF155DE" box="[813,1076,662,688]" italics="true" pageId="67" pageNumber="200">Cricosaurus albersdoerferi</emphasis>
</taxonomicName>
.
<taxonomicName id="4C239CE31D7FFFB4FBE390D5FAEA55C1" baseAuthorityName="Wilkinson, Young &amp; Benton" baseAuthorityYear="2008" box="[1089,1327,662,687]" class="Reptilia" family="Metriorhynchidae" genus="Torvoneustes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="carpenteri">
<emphasis id="B9573B721D7FFFB4FBE390D5FAEA55C1" box="[1089,1327,662,687]" italics="true" pageId="67" pageNumber="200">Torvoneustes carpenteri</emphasis>
</taxonomicName>
and
<taxonomicName id="4C239CE31D7FFFB4FAC190D5FB3255BE" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="superciliosus">
<emphasis id="B9573B721D7FFFB4FAC190D5FBC055A1" italics="true" pageId="67" pageNumber="200">Thalattosuchus superciliosus</emphasis>
NHMUK PV R 2054
</taxonomicName>
possess a slightly slender shaft than that of
<taxonomicName id="4C239CE31D7FFFB4FBE89096FAEF5581" authorityName="Von Quenstedt" authorityYear="1856" baseAuthorityName="Plieninger" baseAuthorityYear="1846" box="[1098,1322,725,751]" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="maximus">
<emphasis id="B9573B721D7FFFB4FBE89096FAEF5581" box="[1098,1322,725,751]" italics="true" pageId="67" pageNumber="200">Dakosaurus maximus</emphasis>
</taxonomicName>
but not too markedly. The posterior and anterior margins of the ischium, constituting notably the shaft, are both concave with the anterior margin displaying the greatest intensity. However, the posterior margin of the shaft appears to become straight or slightly convex shortly after transitioning from the shaft to the posterior process. Hence, the ischium gradually widens ventrally to form the distal blade, which possesses a sharp anterior process and a relatively large one posteriorly. The distal blade of
<taxonomicName id="4C239CE31D7FFFB4FCE591B7FBDB5360" authorityName="Von Quenstedt" authorityYear="1856" baseAuthorityName="Plieninger" baseAuthorityYear="1846" box="[839,1054,1012,1038]" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="maximus">
<emphasis id="B9573B721D7FFFB4FCE591B7FBDB5360" box="[839,1054,1012,1038]" italics="true" pageId="67" pageNumber="200">Dakosaurus maximus</emphasis>
</taxonomicName>
is incomplete but appears to have been relatively straight throughout. The margin of the distal blade forms an angle of approximately 58° with the median of the shaft like that of
<taxonomicName id="4C239CE31D7FFFB4FC4E9617FCAC53E1" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="brachyrhynchus">
<emphasis id="B9573B721D7FFFB4FC4E9617FB485300" box="[1004,1165,1108,1134]" italics="true" pageId="67" pageNumber="200">Metriorhynchus</emphasis>
<emphasis id="B9573B721D7FFFB4FB3E9617FAFF5300" box="[1180,1338,1108,1134]" italics="true" pageId="67" pageNumber="200">brachyrhynchus</emphasis>
NHMUK PV R
</taxonomicName>
3804, but which differs from the more erect ones of
<emphasis id="B9573B721D7FFFB4FC8C96D7FC2053C0" box="[814,997,1172,1198]" italics="true" pageId="67" pageNumber="200">
<taxonomicName id="4C239CE31D7FFFB4FC8C96D7FC6B53C0" box="[814,942,1172,1198]" class="Reptilia" family="Metriorhynchidae" genus="Pelagosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="genus">Pelagosaurus</taxonomicName>
typus
</emphasis>
,
<taxonomicName id="4C239CE31D7FFFB4FC5596D7FCA053A0" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="brachyrhynchus">
<emphasis id="B9573B721D7FFFB4FC5596D7FB5353C0" box="[1015,1174,1172,1198]" italics="true" pageId="67" pageNumber="200">Metriorhynchus</emphasis>
<emphasis id="B9573B721D7FFFB4FB0396D7FAF853C0" box="[1185,1341,1172,1198]" italics="true" pageId="67" pageNumber="200">brachyrhynchus</emphasis>
NHMUK PV R
</taxonomicName>
4763,
<taxonomicName id="4C239CE31D7FFFB4FC0E96F7FA6353A1" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" box="[940,1446,1204,1231]" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="superciliosus">
<emphasis id="B9573B721D7FFFB4FC0E96F7FB7B53A0" box="[940,1214,1204,1230]" italics="true" pageId="67" pageNumber="200">Thalattosuchus superciliosus</emphasis>
NHMUK PV R 2054
</taxonomicName>
,
<taxonomicName id="4C239CE31D7FFFB4FC8F9697FBF65380" authorityName="Sachs et al." authorityYear="2019" baseAuthorityName="Sachs, Young, Abel &amp; Mallison" baseAuthorityYear="2019" box="[813,1075,1236,1262]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="bambergensis">
<emphasis id="B9573B721D7FFFB4FC8F9697FBF65380" box="[813,1075,1236,1262]" italics="true" pageId="67" pageNumber="200">Cricosaurus bambergensis</emphasis>
</taxonomicName>
and
<taxonomicName id="4C239CE31D7FFFB4FBCB9697FA9D5383" baseAuthorityName="Wilkinson, Young &amp; Benton" baseAuthorityYear="2008" box="[1129,1368,1236,1261]" class="Reptilia" family="Metriorhynchidae" genus="Torvoneustes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="carpenteri">
<emphasis id="B9573B721D7FFFB4FBCB9697FA9D5383" box="[1129,1368,1236,1261]" italics="true" pageId="67" pageNumber="200">Torvoneustes carpenteri</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="8B9CE7601D7FFFB4FCE196B0FAF65062" blockId="67.[811,1457,215,2028]" pageId="67" pageNumber="200">
The anterior process of the ischium of
<taxonomicName id="4C239CE31D7FFFB4FB7096B0FA6B5263" authorityName="Von Quenstedt" authorityYear="1856" baseAuthorityName="Plieninger" baseAuthorityYear="1846" box="[1234,1454,1267,1293]" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="maximus">
<emphasis id="B9573B721D7FFFB4FB7096B0FA6B5263" box="[1234,1454,1267,1293]" italics="true" pageId="67" pageNumber="200">Dakosaurus maximus</emphasis>
</taxonomicName>
is in line with the rest of the ventral margin of the distal blade which contrasts with
<taxonomicName id="4C239CE31D7FFFB4FBB99770FC615200" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="superciliosus">
<emphasis id="B9573B721D7FFFB4FBB99770FAFF5223" box="[1051,1338,1331,1357]" italics="true" pageId="67" pageNumber="200">Thalattosuchus superciliosus</emphasis>
NHMUK PV R 2054
</taxonomicName>
and
<emphasis id="B9573B721D7FFFB4FC749710FB545203" box="[982,1169,1363,1389]" italics="true" pageId="67" pageNumber="200">
<taxonomicName id="4C239CE31D7FFFB4FC749710FB9D5203" box="[982,1112,1363,1389]" class="Reptilia" family="Metriorhynchidae" genus="Pelagosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="genus">Pelagosaurus</taxonomicName>
typus
</emphasis>
among metriorhynchoids. Compared to the posterior process, the anterior process of
<taxonomicName id="4C239CE31D7FFFB4FC8C97D0FBD452C3" authorityName="Von Quenstedt" authorityYear="1856" baseAuthorityName="Plieninger" baseAuthorityYear="1846" box="[814,1041,1427,1453]" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="maximus">
<emphasis id="B9573B721D7FFFB4FC8C97D0FBD452C3" box="[814,1041,1427,1453]" italics="true" pageId="67" pageNumber="200">Dakosaurus maximus</emphasis>
</taxonomicName>
appears strongly reduced (
<figureCitation id="1318FBE51D7FFFB4FA9897D0FA4D52C3" box="[1338,1416,1427,1453]" captionStart="FIG" captionStartId="66.[132,143,1986,2003]" captionTargetBox="[137,1456,178,1934]" captionTargetId="figure-17@66.[145,1377,230,1875]" captionTargetPageId="66" captionText="FIG. 32. — Left and right ilia of Dakosaurus maximus (Plieninger, 1846) Von Quenstedt, 1856, SMNS 8203: A, left ilium in lateral view; B, left ilium in medial view; C, left ischium in lateral view; D, left pubis in lateral view; E, left pubis in anterior view. Target indicates anterior. Arrow points anteriorly. Scale bar: 1 cm." figureDoi="http://doi.org/10.5281/zenodo.11106666" httpUri="https://zenodo.org/record/11106666/files/figure.png" pageId="67" pageNumber="200">Fig. 32</figureCitation>
) as in
<taxonomicName id="4C239CE31D7FFFB4FCEB97F7FBFD52A3" baseAuthorityName="Wilkinson, Young &amp; Benton" baseAuthorityYear="2008" box="[841,1080,1460,1485]" class="Reptilia" family="Metriorhynchidae" genus="Torvoneustes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="carpenteri">
<emphasis id="B9573B721D7FFFB4FCEB97F7FBFD52A3" box="[841,1080,1460,1485]" italics="true" pageId="67" pageNumber="200">Torvoneustes carpenteri</emphasis>
</taxonomicName>
,
<taxonomicName id="4C239CE31D7FFFB4FBE797F0FA8352A3" baseAuthorityName="Gasparini &amp; Dellape" baseAuthorityYear="1976" box="[1093,1350,1459,1485]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="araucanensis">
<emphasis id="B9573B721D7FFFB4FBE797F0FA8352A3" box="[1093,1350,1459,1485]" italics="true" pageId="67" pageNumber="200">Cricosaurus araucanensis</emphasis>
</taxonomicName>
; both the anteroposterior length and dorsoventral height (at its base) of the anterior process are markedly inferior to those of the posterior process (even partially incomplete). Whereas the anterior process is always anteroposteriorly shorter than the posterior process, the difference in dorsoventral height is usually less marked in most metriorhynchoids (e.g.
<emphasis id="B9573B721D7FFFB4FA8F9431FC9A51C2" italics="true" pageId="67" pageNumber="200">
<taxonomicName id="4C239CE31D7FFFB4FA8F9431FA6A51E2" box="[1325,1455,1650,1676]" class="Reptilia" family="Metriorhynchidae" genus="Pelagosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="genus">Pelagosaurus</taxonomicName>
typus
</emphasis>
,
<taxonomicName id="4C239CE31D7FFFB4FCD194D1FAAF51C3" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" box="[883,1386,1682,1709]" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="brachyrhynchus">
<emphasis id="B9573B721D7FFFB4FCD194D1FBD651C2" box="[883,1043,1682,1708]" italics="true" pageId="67" pageNumber="200">Metriorhynchus</emphasis>
<emphasis id="B9573B721D7FFFB4FBBC94D1FB7E51C2" box="[1054,1211,1682,1708]" italics="true" pageId="67" pageNumber="200">brachyrhynchus</emphasis>
NHMUK PV R
</taxonomicName>
4763,
<taxonomicName id="4C239CE31D7FFFB4FC8F94F1FAF951A3" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" box="[813,1340,1714,1741]" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="superciliosus">
<emphasis id="B9573B721D7FFFB4FC8F94F1FB8D51A2" box="[813,1096,1714,1740]" italics="true" pageId="67" pageNumber="200">Thalattosuchus superciliosus</emphasis>
NHMUK PV R 2054
</taxonomicName>
, etc.). It is possible that this dissimilarity in the shape of the ischium reflects a difference in the muscles arrangement.
</paragraph>
<paragraph id="8B9CE7601D7FFFB4FCE19551FBAD50C5" blockId="67.[811,1457,215,2028]" pageId="67" pageNumber="200">
Similar to
<taxonomicName id="4C239CE31D7FFFB4FC0F9551FA685042" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" box="[941,1453,1809,1836]" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="superciliosus">
<emphasis id="B9573B721D7FFFB4FC0F9551FB075042" box="[941,1218,1810,1836]" italics="true" pageId="67" pageNumber="200">Thalattosuchus superciliosus</emphasis>
NHMUK PV R 2054
</taxonomicName>
and
<taxonomicName id="4C239CE31D7FFFB4FCC19572FAAC5022" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" box="[867,1385,1841,1868]" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="brachyrhynchus">
<emphasis id="B9573B721D7FFFB4FCC19572FBC15025" box="[867,1028,1841,1867]" italics="true" pageId="67" pageNumber="200">Metriorhynchus</emphasis>
<emphasis id="B9573B721D7FFFB4FBB09572FB755025" box="[1042,1200,1841,1867]" italics="true" pageId="67" pageNumber="200">brachyrhynchus</emphasis>
NHMUK PV R
</taxonomicName>
3804, the anterior process of
<taxonomicName id="4C239CE31D7FFFB4FBBE9512FB3C5005" authorityName="Von Quenstedt" authorityYear="1856" baseAuthorityName="Plieninger" baseAuthorityYear="1846" box="[1052,1273,1873,1899]" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="maximus">
<emphasis id="B9573B721D7FFFB4FBBE9512FB3C5005" box="[1052,1273,1873,1899]" italics="true" pageId="67" pageNumber="200">Dakosaurus maximus</emphasis>
</taxonomicName>
is mediolaterally thicker than the rest of the distal blade and the junction of both ischia forms a platform.
</paragraph>
<paragraph id="8B9CE7601D7FFFB2FCE195F2FEBF553F" blockId="67.[811,1457,215,2028]" lastBlockId="69.[130,777,215,593]" lastPageId="69" lastPageNumber="202" pageId="67" pageNumber="200">
The posterior process of
<taxonomicName id="4C239CE31D7FFFB4FBEC95F2FAE850A5" authorityName="Von Quenstedt" authorityYear="1856" baseAuthorityName="Plieninger" baseAuthorityYear="1846" box="[1102,1325,1969,1995]" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="67" pageNumber="200" phylum="Chordata" rank="species" species="maximus">
<emphasis id="B9573B721D7FFFB4FBEC95F2FAE850A5" box="[1102,1325,1969,1995]" italics="true" pageId="67" pageNumber="200">Dakosaurus maximus</emphasis>
</taxonomicName>
is large and greatly exceeds the size of the anterior process, as in
<emphasis id="B9573B721D79FFB2FF26929BFE88579F" box="[132,333,216,241]" italics="true" pageId="69" pageNumber="202">
<emphasis id="B9573B721D7FFFB4FAD29592FA6A5085" box="[1392,1455,2001,2027]" italics="true" pageId="67" pageNumber="200">Cricosaurus</emphasis>
<taxonomicName id="4C239CE31D79FFB2FF69929BFE88579F" baseAuthorityName="Gasparini &amp; Dellape" baseAuthorityYear="1976" box="[203,333,216,241]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="69" pageNumber="202" phylum="Chordata" rank="species" species="araucanensis">araucanensis</taxonomicName>
</emphasis>
,
<taxonomicName id="4C239CE31D79FFB2FEFB929BFD83579F" baseAuthorityName="Wilkinson, Young &amp; Benton" baseAuthorityYear="2008" box="[345,582,216,241]" class="Reptilia" family="Metriorhynchidae" genus="Torvoneustes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="69" pageNumber="202" phylum="Chordata" rank="species" species="carpenteri">
<emphasis id="B9573B721D79FFB2FEFB929BFD83579F" box="[345,582,216,241]" italics="true" pageId="69" pageNumber="202">Torvoneustes carpenteri</emphasis>
</taxonomicName>
and
<taxonomicName id="4C239CE31D79FFB2FDD89294FF2B567F" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="69" pageNumber="202" phylum="Chordata" rank="species" species="obtusidens">
<emphasis id="B9573B721D79FFB2FDD89294FF2B567F" italics="true" pageId="69" pageNumber="202">Lemmysuchus obtusidens</emphasis>
</taxonomicName>
. Indeed, the dorsoventral height of the base of the posterior process can fit more than twice that of the anterior process. The exact shape of the apex of the posterior process of
<taxonomicName id="4C239CE31D79FFB2FF209314FE9B561F" authorityName="Von Quenstedt" authorityYear="1856" baseAuthorityName="Plieninger" baseAuthorityYear="1846" box="[130,350,343,369]" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="69" pageNumber="202" phylum="Chordata" rank="species" species="maximus">
<emphasis id="B9573B721D79FFB2FF209314FE9B561F" box="[130,350,343,369]" italics="true" pageId="69" pageNumber="202">Dakosaurus maximus</emphasis>
</taxonomicName>
is not preserved but presumably formed a blunt and rounded extremity similar to
<taxonomicName id="4C239CE31D79FFB2FD8C9334FF7456DE" baseAuthorityName="Gasparini &amp; Dellape" baseAuthorityYear="1976" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="69" pageNumber="202" phylum="Chordata" rank="species" species="araucanensis">
<emphasis id="B9573B721D79FFB2FD8C9334FF7456DE" italics="true" pageId="69" pageNumber="202">Cricosaurus araucanensis</emphasis>
</taxonomicName>
,
<taxonomicName id="4C239CE31D79FFB2FF1C93D4FE6256DE" baseAuthorityName="Wilkinson, Young &amp; Benton" baseAuthorityYear="2008" box="[190,423,407,432]" class="Reptilia" family="Metriorhynchidae" genus="Torvoneustes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="69" pageNumber="202" phylum="Chordata" rank="species" species="carpenteri">
<emphasis id="B9573B721D79FFB2FF1C93D4FE6256DE" box="[190,423,407,432]" italics="true" pageId="69" pageNumber="202">Torvoneustes carpenteri</emphasis>
</taxonomicName>
and
<taxonomicName id="4C239CE31D79FFB2FE7B93D5FD1756DE" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[473,722,406,432]" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="69" pageNumber="202" phylum="Chordata" rank="species" species="obtusidens">
<emphasis id="B9573B721D79FFB2FE7B93D5FD1756DE" box="[473,722,406,432]" italics="true" pageId="69" pageNumber="202">Lemmysuchus obtusidens</emphasis>
</taxonomicName>
. The shape of the posterior process is hypothetically reconstructed from the overall slope of the posterior margin of the ischium, which is more gentle than in
<taxonomicName id="4C239CE31D79FFB2FE7F93B5FE45555F" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="69" pageNumber="202" phylum="Chordata" rank="species" species="superciliosus">
<emphasis id="B9573B721D79FFB2FE7F93B5FCCC557E" box="[477,777,502,528]" italics="true" pageId="69" pageNumber="202">Thalattosuchus superciliosus</emphasis>
NHMUK PV R 2054
</taxonomicName>
or
<taxonomicName id="4C239CE31D79FFB2FE0D9055FEF3553F" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="69" pageNumber="202" phylum="Chordata" rank="species" species="brachyrhynchus">
<emphasis id="B9573B721D79FFB2FE0D9055FD90555E" box="[431,597,534,560]" italics="true" pageId="69" pageNumber="202">Metriorhynchus</emphasis>
<emphasis id="B9573B721D79FFB2FDC69055FCC3555E" box="[612,774,534,560]" italics="true" pageId="69" pageNumber="202">brachyrhynchus</emphasis>
NHMUK PV R
</taxonomicName>
4763.
</paragraph>
<caption id="DF5CB7E81D78FFB3FF269581FC9D5087" ID-DOI="http://doi.org/10.5281/zenodo.11106668" ID-Zenodo-Dep="11106668" httpUri="https://zenodo.org/record/11106668/files/figure.png" pageId="68" pageNumber="201" startId="68.[132,143,1986,2003]" targetBox="[139,1456,186,1913]" targetPageId="68" targetType="figure">
<paragraph id="8B9CE7601D78FFB3FF269581FC9D5087" blockId="68.[132,1455,1986,2025]" pageId="68" pageNumber="201">
<smallCapsWord id="8D7A71BC1D78FFB3FF269581FF5850BC" baselines="1999,1999" box="[132,157,1986,2003]" lowerCaseFontSize="5" mainFontSize="7" normCase="title" normString="Fig" pageId="68" pageNumber="201">FIG</smallCapsWord>
. 33. — Pelvic reconstruction of
<taxonomicName id="4C239CE31D78FFB3FE089581FD3650BD" authority="(Plieninger, 1846)" authorityName="Von Quenstedt" authorityYear="1856" baseAuthorityName="Plieninger" baseAuthorityYear="1846" box="[426,755,1986,2003]" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="68" pageNumber="201" phylum="Chordata" rank="species" species="maximus">
<emphasis id="B9573B721D78FFB3FE089581FD9F50BD" box="[426,602,1986,2003]" italics="true" pageId="68" pageNumber="201">Dakosaurus maximus</emphasis>
(
<bibRefCitation id="EFB29A911D78FFB3FDC69581FD2B50BD" author="PLIENINGER T." box="[612,750,1986,2003]" pageId="68" pageNumber="201" pagination="129 - 183" refId="ref115024" refString="PLIENINGER T. 1846. - Prof. Dr. Th. Plieninger hielt nachstehenden vortrag uber ein neues Sauriergenus und die Einreihung der Saurier mit flachen, schneidenden Zahnen in eine Familie. Pp. 148 - 154, in Zweite Generalversammlung am 1. Mai 1846 zu Tubingen, Wurttembergische naturwissenschaftliche Jahreshefte 2: 129 - 183." type="journal article" year="1846">Plieninger, 1846</bibRefCitation>
)
</taxonomicName>
, SMNS 8203:
<emphasis id="B9573B721D78FFB3FCC89581FCB250BD" bold="true" box="[874,887,1986,2003]" pageId="68" pageNumber="201">A</emphasis>
, lateral view;
<emphasis id="B9573B721D78FFB3FC4B9581FC3350BD" bold="true" box="[1001,1014,1986,2003]" pageId="68" pageNumber="201">B</emphasis>
, anterior view;
<emphasis id="B9573B721D78FFB3FBD49581FB4150BD" bold="true" box="[1142,1156,1986,2003]" pageId="68" pageNumber="201">C</emphasis>
, ventral view;
<emphasis id="B9573B721D78FFB3FB5E9581FACF50BD" bold="true" box="[1276,1290,1986,2003]" pageId="68" pageNumber="201">D</emphasis>
, dorsal view. Arrow points anteriorly. Target indicates anterior. The right pubis is mirrored. Scale bar: 5 cm.
</paragraph>
</caption>
<paragraph id="8B9CE7601D79FFB2FF269035FF7855FE" blockId="69.[132,189,630,656]" box="[132,189,630,656]" pageId="69" pageNumber="202">
<heading id="D0D4500C1D79FFB2FF269035FF7855FE" box="[132,189,630,656]" fontSize="11" level="2" pageId="69" pageNumber="202" reason="8">
<emphasis id="B9573B721D79FFB2FF269035FF7855FE" box="[132,189,630,656]" italics="true" pageId="69" pageNumber="202">Pubis</emphasis>
</heading>
</paragraph>
<paragraph id="8B9CE7601D79FFB2FF2690D5FEA653A0" blockId="69.[130,777,662,1230]" pageId="69" pageNumber="202">
The pubis of
<taxonomicName id="4C239CE31D79FFB2FEB890D5FE3E55C1" authorityName="Von Quenstedt" authorityYear="1856" baseAuthorityName="Plieninger" baseAuthorityYear="1846" box="[282,507,662,688]" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="69" pageNumber="202" phylum="Chordata" rank="species" species="maximus">
<emphasis id="B9573B721D79FFB2FEB890D5FE3E55C1" box="[282,507,662,688]" italics="true" pageId="69" pageNumber="202">Dakosaurus maximus</emphasis>
</taxonomicName>
(
<figureCitation id="1318FBE51D79FFB2FDA990D5FD9C55DE" box="[523,601,662,688]" captionStart="FIG" captionStartId="66.[132,143,1986,2003]" captionTargetBox="[137,1456,178,1934]" captionTargetId="figure-17@66.[145,1377,230,1875]" captionTargetPageId="66" captionText="FIG. 32. — Left and right ilia of Dakosaurus maximus (Plieninger, 1846) Von Quenstedt, 1856, SMNS 8203: A, left ilium in lateral view; B, left ilium in medial view; C, left ischium in lateral view; D, left pubis in lateral view; E, left pubis in anterior view. Target indicates anterior. Arrow points anteriorly. Scale bar: 1 cm." figureDoi="http://doi.org/10.5281/zenodo.11106666" httpUri="https://zenodo.org/record/11106666/files/figure.png" pageId="69" pageNumber="202">Fig. 32</figureCitation>
) is fragmentary and is missing most of its pubic plate. The extension of the pubic symphysis is therefore unknown and two distinct reconstructions are proposed on
<figureCitation id="1318FBE51D79FFB2FE3F90B6FE235461" box="[413,486,757,783]" captionStart="FIG" captionStartId="66.[132,143,1986,2003]" captionTargetBox="[137,1456,178,1934]" captionTargetId="figure-17@66.[145,1377,230,1875]" captionTargetPageId="66" captionText="FIG. 32. — Left and right ilia of Dakosaurus maximus (Plieninger, 1846) Von Quenstedt, 1856, SMNS 8203: A, left ilium in lateral view; B, left ilium in medial view; C, left ischium in lateral view; D, left pubis in lateral view; E, left pubis in anterior view. Target indicates anterior. Arrow points anteriorly. Scale bar: 1 cm." figureDoi="http://doi.org/10.5281/zenodo.11106666" httpUri="https://zenodo.org/record/11106666/files/figure.png" pageId="69" pageNumber="202">Fig. 32</figureCitation>
. Comparatively, the closest taxa to
<emphasis id="B9573B721D79FFB2FF799156FD105441" box="[219,725,789,816]" italics="true" pageId="69" pageNumber="202">
<taxonomicName id="4C239CE31D79FFB2FF799156FE045441" authorityName="Von Quenstedt" authorityYear="1856" baseAuthorityName="Plieninger" baseAuthorityYear="1846" box="[219,449,789,815]" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="69" pageNumber="202" phylum="Chordata" rank="species" species="maximus">Dakosaurus maximus</taxonomicName>
<taxonomicName id="4C239CE31D79FFB2FE7D9156FD105441" authorityName="Lydekker" authorityYear="1890" box="[479,725,789,815]" class="Reptilia" family="Metriorhynchidae" genus="Suchodus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="69" pageNumber="202" phylum="Chordata" rank="species" species="durobrivensis">Suchodus durobrivensis</taxonomicName>
</emphasis>
and
<taxonomicName id="4C239CE31D79FFB2FF269175FDF75421" authority="(Young et al. 2020 a)" baseAuthorityName="Young" baseAuthorityYear="2020" box="[132,562,821,848]" class="Reptilia" family="Metriorhynchidae" genus="Geosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="69" pageNumber="202" phylum="Chordata" rank="species" species="giganteus">
<emphasis id="B9573B721D79FFB2FF269175FE975421" box="[132,338,822,848]" italics="true" pageId="69" pageNumber="202">Geosaurus giganteus</emphasis>
(
<bibRefCitation id="EFB29A911D79FFB2FEC09175FDEE5421" author="YOUNG M. T. &amp; BRIGNON A. &amp; SACHS S. &amp; HORNUNG J. J. &amp; FOFFA D. &amp; KITSON J. J. N. &amp; JOHNSON M. M. &amp; STEEL L." box="[354,555,821,848]" pageId="69" pageNumber="202" pagination="510 - 553" refId="ref118807" refString="YOUNG M. T., BRIGNON A., SACHS S., HORNUNG J. J., FOFFA D., KITSON J. J. N., JOHNSON M. M. &amp; STEEL L. 2020 a. - Cutting the Gordian knot: a historical and taxonomic revision of the Jurassic crocodylomorph Metriorhynchus. Zoological Journal of the Linnean Society 192 (2): 510 - 553. https: // doi. org / 10.1093 / zoolinnean / zlaa 092" type="journal article" year="2020">
Young
<emphasis id="B9573B721D79FFB2FE0F9175FE255421" box="[429,480,821,847]" italics="true" pageId="69" pageNumber="202">et al.</emphasis>
2020a
</bibRefCitation>
)
</taxonomicName>
possess extremely distinct pubic shapes. The peduncle of the pubis of
<taxonomicName id="4C239CE31D79FFB2FD009116FEC254E1" authorityName="Von Quenstedt" authorityYear="1856" baseAuthorityName="Plieninger" baseAuthorityYear="1846" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="69" pageNumber="202" phylum="Chordata" rank="species" species="maximus">
<emphasis id="B9573B721D79FFB2FD009116FEC254E1" italics="true" pageId="69" pageNumber="202">Dakosaurus maximus</emphasis>
</taxonomicName>
is also poorly preserved, but appears to be larger than the thinnest portion of the shaft but not as markedly as in
<taxonomicName id="4C239CE31D79FFB2FF0291F6FEAB54A0" baseAuthorityName="Fraas" baseAuthorityYear="1901" box="[160,366,949,975]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="69" pageNumber="202" phylum="Chordata" rank="species" species="suevicus">
<emphasis id="B9573B721D79FFB2FF0291F6FEAB54A0" box="[160,366,949,975]" italics="true" pageId="69" pageNumber="202">Cricosaurus suevicus</emphasis>
</taxonomicName>
or
<taxonomicName id="4C239CE31D79FFB2FE3291F6FD9954A0" box="[400,604,949,975]" class="Reptilia" family="Metriorhynchidae" genus="Geosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="69" pageNumber="202" phylum="Chordata" rank="species" species="giganteus">
<emphasis id="B9573B721D79FFB2FE3291F6FD9954A0" box="[400,604,949,975]" italics="true" pageId="69" pageNumber="202">Geosaurus giganteus</emphasis>
</taxonomicName>
. Hence, the lateral and medial margins of the pubis of
<taxonomicName id="4C239CE31D79FFB2FD8A9197FCC35480" authorityName="Von Quenstedt" authorityYear="1856" baseAuthorityName="Plieninger" baseAuthorityYear="1846" box="[552,774,980,1006]" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="69" pageNumber="202" phylum="Chordata" rank="species" species="maximus">
<emphasis id="B9573B721D79FFB2FD8A9197FCC35480" box="[552,774,980,1006]" italics="true" pageId="69" pageNumber="202">Dakosaurus maximus</emphasis>
</taxonomicName>
are both concave, with the lateral margin showing a slightly greater intensity of curvature. The portion extending from the base of the peduncle until the thinnest portion of the bone corresponds to the shaft. The shaft of the pubis of
<taxonomicName id="4C239CE31D79FFB2FD2E9617FF2753E0" authorityName="Von Quenstedt" authorityYear="1856" baseAuthorityName="Plieninger" baseAuthorityYear="1846" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="69" pageNumber="202" phylum="Chordata" rank="species" species="maximus">
<emphasis id="B9573B721D79FFB2FD2E9617FF2753E0" italics="true" pageId="69" pageNumber="202">Dakosaurus maximus</emphasis>
</taxonomicName>
is strongly reduced in length and appears amongst the shortest of Thalattosuchia (e.g.
<taxonomicName id="4C239CE31D79FFB2FE5E96D7FD2C53C0" authorityName="Lydekker" authorityYear="1890" box="[508,745,1172,1198]" class="Reptilia" family="Metriorhynchidae" genus="Suchodus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="69" pageNumber="202" phylum="Chordata" rank="species" species="durobrivensis">
<emphasis id="B9573B721D79FFB2FE5E96D7FD2C53C0" box="[508,745,1172,1198]" italics="true" pageId="69" pageNumber="202">Suchodus durobrivensis</emphasis>
</taxonomicName>
&amp;
<taxonomicName id="4C239CE31D79FFB2FF2696F7FE9753A0" box="[132,338,1204,1230]" class="Reptilia" family="Metriorhynchidae" genus="Geosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="69" pageNumber="202" phylum="Chordata" rank="species" species="giganteus">
<emphasis id="B9573B721D79FFB2FF2696F7FE9753A0" box="[132,338,1204,1230]" italics="true" pageId="69" pageNumber="202">Geosaurus giganteus</emphasis>
</taxonomicName>
).
</paragraph>
</subSubSection>
</treatment>
</document>