311 lines
42 KiB
XML
311 lines
42 KiB
XML
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<mods:title id="B38F34DCA2BA4B9C7FBD3E1241B6E735">Vertebrate paleobiodiversity of the Early Cretaceous (Berriasian) Angeac-Charente Lagerstätte (southwestern France): implications for continental faunal turnover at the J / K boundary</mods:title>
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<mods:namePart id="2B718BC95A181ED78B44DE23BF78EC36">Allain, Ronan</mods:namePart>
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<mods:namePart id="A1FD40E965FF3FF4DA1449E7FD1613C2">Vullo, Romain</mods:namePart>
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<mods:namePart id="0BED7392BBE61A1142D7DC1A51E0DAD5">Bourgeais, Renaud</mods:namePart>
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<mods:namePart id="3DCE311F7B5E969BB0EA49CC67606CB8">Goedert, Jean</mods:namePart>
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<mods:namePart id="6DA80A40CBBDA07F9F8B8BCAC9AC3433">Fabrègues, Claire Peyre De</mods:namePart>
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<mods:namePart id="3A02FB6D3064831370ABB0B41A8292B9">Royo-Torres, Rafael</mods:namePart>
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<mods:namePart id="6D44360E9B1457AC1A488117067A3275">Bailly, Gilles</mods:namePart>
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<mods:title id="C47F5FF8DEC36EBE9181EF5EC9A3C48A">Geodiversitas</mods:title>
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<mods:part id="BC0F70896103B690ED16682E936DB0F5">
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<mods:date id="8C1F2DEFC5F61E42643AEFB40FBA57FB">2022</mods:date>
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<mods:number id="3BEDC302ED50FEECDED4B22B73F093A6">2022-07-21</mods:number>
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<mods:number id="5822729580C0CA858F23905760EC69F2">44</mods:number>
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<treatment id="03C887B9FFA8FFCB76C8A509FAFEFE61" ID-DOI="http://doi.org/10.5281/zenodo.6928908" ID-GBIF-Taxon="197866747" ID-Zenodo-Dep="6928908" LSID="urn:lsid:plazi:treatment:03C887B9FFA8FFCB76C8A509FAFEFE61" httpUri="http://treatment.plazi.org/id/03C887B9FFA8FFCB76C8A509FAFEFE61" lastPageId="32" lastPageNumber="713" pageId="30" pageNumber="711">
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<subSubSection id="C37B6524FFA8FFF576C8A509FB01F8FA" box="[1010,1258,1841,1867]" pageId="30" pageNumber="711" type="nomenclature">
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<paragraph id="8BDE36AFFFA8FFF576C8A509FB01F8FA" blockId="30.[1010,1258,1841,1900]" box="[1010,1258,1841,1867]" pageId="30" pageNumber="711">
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<taxonomicName id="4C614D2CFFA8FFF576C8A509FB48F8FA" authorityName="Marsh" authorityYear="1885" box="[1010,1187,1841,1867]" class="Reptilia" family="Camptosauridae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ornithischia" pageId="30" pageNumber="711" phylum="Chordata" rank="family">Camptosauridae</taxonomicName>
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indet.
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</paragraph>
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</subSubSection>
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<subSubSection id="C37B6524FFA8FFCB7105A56AFAFEFE61" lastPageId="32" lastPageNumber="713" pageId="30" pageNumber="711" type="description">
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<paragraph id="8BDE36AFFFA8FFF57105A56AFB76F8DD" blockId="30.[1010,1258,1841,1900]" box="[1087,1181,1873,1900]" pageId="30" pageNumber="711">
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(
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<figureCitation id="135A2A2AFFA8FFF57172A569FB7FF8DD" box="[1096,1172,1873,1900]" captionStart="FIG" captionStartId="31.[132,143,1067,1084]" captionTargetBox="[131,1457,213,1026]" captionTargetId="figure-539@31.[698,1267,213,755]" captionTargetPageId="31" captionText="FIG. 22. — Camptosaur remains from Angeac-Charente: A, dentary tooth of Camptosauridae indet. (ANG11-1120) in lingual view; B-E, left femur of Camptosau- ridae indet. (ANG14-R563) in anterior (B), medial (C), posterior (D) and lateral (E) views. Scale bar: A-D, 5 cm; E, 1 cm." figureDoi="http://doi.org/10.5281/zenodo.6902087" httpUri="https://zenodo.org/record/6902087/files/figure.png" pageId="30" pageNumber="711">Fig. 22</figureCitation>
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)
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</paragraph>
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<paragraph id="8BDE36AFFFA8FFF57617A5AAFC53F81D" blockId="30.[813,1456,1938,2028]" box="[813,952,1938,1964]" pageId="30" pageNumber="711">DESCRIPTION</paragraph>
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<paragraph id="8BDE36AFFFA8FFF47617A589FCECFA1F" blockId="30.[813,1456,1938,2028]" lastBlockId="31.[130,777,1172,1454]" lastPageId="31" lastPageNumber="712" pageId="30" pageNumber="711">
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Several diagnostic features allow the referral of the material described below to
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<taxonomicName id="4C614D2CFFA8FFF57138A5E9FB5DF85A" authorityName="Marsh" authorityYear="1885" box="[1026,1206,2001,2027]" class="Reptilia" family="Camptosauridae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ornithischia" pageId="30" pageNumber="711" phylum="Chordata" rank="family">Camptosauridae</taxonomicName>
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, including: 1) lozengeshaped teeth with prominent vertical keel more strongly developed on maxillary teeth than on dentary teeth, several secondary vertical ridges on sculptured surface of crown with anterior and posterior ridges bordering the non-denticulate half of maxillary tooth crown, posterior ridge on equivalent part of dentary teeth (
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<bibRefCitation id="EFF04B5EFFA9FFF4744AA70BFD8FFAFC" author="Galton & Powell" box="[368,612,1331,1357]" firstAuthor="Galton" pageId="31" pageNumber="712" pagination="411 - 443" refId="ref40158" refString="GALTON P. M. & POWELL H. P. 1980. - The ornithischian dinosaur Camptosaurus prestwichii from the Upper Jurassic of England. Palaeontology 23 (2): 411 - 443." type="journal article" year="1980">Galton & Powell 1980</bibRefCitation>
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); and 2) femur robust, with a dorsally arched shaft, a midshaft positioned and pendant fourth trochanter, and with a dorsally open, troughlike anterior intercondylar groove (
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<bibRefCitation id="EFF04B5EFFA9FFF474C9A7ACFD1CFA1C" author="Norman & Barrett" box="[499,759,1427,1454]" firstAuthor="Norman" pageId="31" pageNumber="712" pagination="161 - 190" refId="ref44832" refString="NORMAN D. B. & BARRETT P. M. 2002. - Ornithischian dinosaurs from the lower Cretaceous (Berriasian) of England. Special Papers in Palaeontology 68: 161 - 190." type="journal article" year="2002">Norman & Barrett 2002</bibRefCitation>
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).
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</paragraph>
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<caption id="DF1E6627FFA9FFF475BEA613FBB3FBE2" ID-DOI="http://doi.org/10.5281/zenodo.6902087" ID-Zenodo-Dep="6902087" httpUri="https://zenodo.org/record/6902087/files/figure.png" pageId="31" pageNumber="712" startId="31.[132,143,1067,1084]" targetBox="[131,1457,213,1026]" targetPageId="31">
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<paragraph id="8BDE36AFFFA9FFF475BEA613FBB3FBE2" blockId="31.[132,1455,1067,1107]" pageId="31" pageNumber="712">
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FIG. 22. — Camptosaur remains from Angeac-Charente:
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<emphasis id="B915EABDFFA9FFF47763A613FD8DFB8D" bold="true" box="[601,614,1067,1084]" pageId="31" pageNumber="712">A</emphasis>
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, dentary tooth of
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<taxonomicName id="4C614D2CFFA9FFF477C2A613FC69FB8D" authorityName="Marsh" authorityYear="1885" box="[760,898,1067,1084]" class="Reptilia" family="Camptosauridae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ornithischia" pageId="31" pageNumber="712" phylum="Chordata" rank="family">Camptosauridae</taxonomicName>
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indet. (ANG11-1120) in lingual view;
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<emphasis id="B915EABDFFA9FFF4718EA613FB3EFB8D" bold="true" box="[1204,1237,1067,1084]" pageId="31" pageNumber="712">B -E</emphasis>
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, left femur of Camptosau- ridae indet. (ANG14-R563) in anterior (
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<emphasis id="B915EABDFFA9FFF474F9A67AFE3BFBE2" bold="true" box="[451,464,1090,1107]" pageId="31" pageNumber="712">B</emphasis>
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), medial (
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<emphasis id="B915EABDFFA9FFF4771AA67AFDC5FBE2" bold="true" box="[544,558,1090,1107]" pageId="31" pageNumber="712">C</emphasis>
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), posterior (
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<emphasis id="B915EABDFFA9FFF477A8A67AFD4BFBE2" bold="true" box="[658,672,1090,1107]" pageId="31" pageNumber="712">D</emphasis>
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) and lateral (
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<emphasis id="B915EABDFFA9FFF47631A67AFCFCFBE2" bold="true" box="[779,791,1090,1107]" pageId="31" pageNumber="712">E</emphasis>
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) views. Scale bar: A-D, 5 cm; E, 1 cm.
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</paragraph>
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</caption>
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<paragraph id="8BDE36AFFFA9FFF475BEA7ECFEFFFA5C" blockId="31.[132,276,1491,1517]" box="[132,276,1491,1517]" pageId="31" pageNumber="712">
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<heading id="D09681C3FFA9FFF475BEA7ECFEFFFA5C" box="[132,276,1491,1517]" fontSize="11" level="2" pageId="31" pageNumber="712" reason="8">
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<emphasis id="B915EABDFFA9FFF475BEA7ECFEFFFA5C" box="[132,276,1491,1517]" italics="true" pageId="31" pageNumber="712">Dentary tooth</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8BDE36AFFFA9FFCB75BEA7CBFEAFFEE0" blockId="31.[132,777,1523,2028]" lastBlockId="32.[131,777,215,656]" lastPageId="32" lastPageNumber="713" pageId="31" pageNumber="712">
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One extremely well-preserved, isolated camptosaurid tooth (ANG11-1120) exhibits an almost complete crown and a root broken at approximately mid-length (
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<figureCitation id="135A2A2AFFA9FFF4775EA40AFD2CF9FC" box="[612,711,1586,1613]" captionStart="FIG" captionStartId="31.[132,143,1067,1084]" captionTargetBox="[131,1457,213,1026]" captionTargetId="figure-539@31.[698,1267,213,755]" captionTargetPageId="31" captionText="FIG. 22. — Camptosaur remains from Angeac-Charente: A, dentary tooth of Camptosauridae indet. (ANG11-1120) in lingual view; B-E, left femur of Camptosau- ridae indet. (ANG14-R563) in anterior (B), medial (C), posterior (D) and lateral (E) views. Scale bar: A-D, 5 cm; E, 1 cm." figureDoi="http://doi.org/10.5281/zenodo.6902087" httpUri="https://zenodo.org/record/6902087/files/figure.png" pageId="31" pageNumber="712">Fig. 22E</figureCitation>
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). The crown is straight folidont (
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<bibRefCitation id="EFF04B5EFFA9FFF4749DA46AFD4BF9DC" author="Hendrickx" box="[423,672,1618,1645]" etAl="et al." firstAuthor="Hendrickx" pageId="31" pageNumber="712" pagination="982797" refId="ref41131" refString="HENDRICKX C., MATEUS O. & ARAUJO R. 2015 a. - A proposed terminology of theropod teeth (Dinosauria, Saurischia). Journal of Vertebrate Paleontology 35: e 982797. https: // doi. org / 10.108 0 / 02724634.2015.982797." type="journal article" year="2015" yearSuffix="a">
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Hendrickx
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<emphasis id="B915EABDFFA9FFF47718A46BFDBDF9DD" box="[546,598,1618,1644]" italics="true" pageId="31" pageNumber="712">et al.</emphasis>
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2015a
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</bibRefCitation>
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), moderately elongated, and relatively robust. The mesiodistal basal length is
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<quantity id="4C999B4AFFA9FFF475DCA4ABFECCF91C" box="[230,295,1683,1709]" metricMagnitude="-3" metricUnit="m" metricValue="7.0" pageId="31" pageNumber="712" unit="mm" value="7.0">7 mm</quantity>
|
|
and the preserved crown height is
|
|
<quantity id="4C999B4AFFA9FFF477A1A4AAFD06F91C" box="[667,749,1682,1709]" metricMagnitude="-2" metricUnit="m" metricValue="1.7" pageId="31" pageNumber="712" unit="mm" value="17.0">17 mm</quantity>
|
|
. It appears very similar to dentary teeth from the Kimmeridgian of
|
|
<collectingCountry id="F376763FFFA9FFF475F4A4EAFEC2F95D" box="[206,297,1746,1772]" name="United Kingdom" pageId="31" pageNumber="712">England</collectingCountry>
|
|
described by
|
|
<bibRefCitation id="EFF04B5EFFA9FFF474FDA4EAFD3EF95D" author="Galton & Powell" box="[455,725,1746,1772]" firstAuthor="Galton" pageId="31" pageNumber="712" pagination="411 - 443" refId="ref40158" refString="GALTON P. M. & POWELL H. P. 1980. - The ornithischian dinosaur Camptosaurus prestwichii from the Upper Jurassic of England. Palaeontology 23 (2): 411 - 443." type="journal article" year="1980">Galton & Powell (1980)</bibRefCitation>
|
|
and to the
|
|
<taxonomicName id="4C614D2CFFA9FFF475EEA4CAFE84F8BD" box="[212,367,1778,1804]" class="Reptilia" genus="Owenodon" kingdom="Animalia" pageId="31" pageNumber="712" phylum="Chordata" rank="species" species="undetermined">
|
|
<emphasis id="B915EABDFFA9FFF475EEA4CAFEA3F8BD" box="[212,328,1778,1804]" italics="true" pageId="31" pageNumber="712">Owenodon</emphasis>
|
|
sp.
|
|
</taxonomicName>
|
|
material figured by
|
|
<bibRefCitation id="EFF04B5EFFA9FFF47766A4CAFCE9F8BD" author="Galton" box="[604,770,1778,1804]" firstAuthor="Galton" pageId="31" pageNumber="712" pagination="211 - 273" refId="ref40109" refString="GALTON P. M. 2009. - Notes on Neocomian (Lower Cretaceous) ornithopod dinosaurs from England - Hypsilophodon, Valdosaurus, " Camptosaurus ", " Iguanodon " - and referred specimens from Romania and elsewhere. Revue de Paleobiologie 28: 211 - 273." type="journal article" year="2009">Galton (2009)</bibRefCitation>
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|
. The crown is labiolingually compressed, flat lingually, and strongly convex labially, with a D-shaped cross-section at mid-height. In lingual view, the main axis of the crown is straight, with a crown apex that was most likely pointing strictly dorsally. Both the mesial and the distal margins are symmetrical, with a marked angle at mid-height, conferring to the crown a diamond-shaped aspect in lingual and labial views. On the distal border, the lower edge of the crown is flexed mesiolingually, forming a pseudo-cingulid, as seen in
|
|
<taxonomicName id="4C614D2CFFA9FFF47617A6ECFBD1FB5F" authorityName="Hulke" authorityYear="1880" box="[813,1082,1236,1262]" class="Reptilia" family="Camptosauridae" genus="Camptosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="31" pageNumber="712" phylum="Chordata" rank="species" species="prestwichii">
|
|
<emphasis id="B915EABDFFA9FFF47617A6ECFBD1FB5F" box="[813,1082,1236,1262]" italics="true" pageId="31" pageNumber="712">Camptosaurus prestwichii</emphasis>
|
|
</taxonomicName>
|
|
(
|
|
<bibRefCitation id="EFF04B5EFFA9FFF47171A6ECFAB6FB5F" author="Norman & Barrett" box="[1099,1373,1236,1262]" firstAuthor="Norman" pageId="31" pageNumber="712" pagination="161 - 190" refId="ref44832" refString="NORMAN D. B. & BARRETT P. M. 2002. - Ornithischian dinosaurs from the lower Cretaceous (Berriasian) of England. Special Papers in Palaeontology 68: 161 - 190." type="journal article" year="2002">Norman & Barrett 2002</bibRefCitation>
|
|
: fig. 5) and
|
|
<taxonomicName id="4C614D2CFFA9FFF47661A6CCFBD7FABC" authorityName="Marsh" authorityYear="1894" box="[859,1084,1267,1294]" class="Reptilia" family="Camptosauridae" genus="Camptosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="31" pageNumber="712" phylum="Chordata" rank="species" species="medius">
|
|
<emphasis id="B915EABDFFA9FFF47661A6CCFBD7FABC" box="[859,1084,1267,1294]" italics="true" pageId="31" pageNumber="712">Camptosaurus medius</emphasis>
|
|
</taxonomicName>
|
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(
|
|
<bibRefCitation id="EFF04B5EFFA9FFF47171A6CBFB3FFABF" author="Galton" box="[1099,1236,1267,1294]" firstAuthor="Galton" pageId="31" pageNumber="712" pagination="211 - 273" refId="ref40109" refString="GALTON P. M. 2009. - Notes on Neocomian (Lower Cretaceous) ornithopod dinosaurs from England - Hypsilophodon, Valdosaurus, " Camptosaurus ", " Iguanodon " - and referred specimens from Romania and elsewhere. Revue de Paleobiologie 28: 211 - 273." type="journal article" year="2009">Galton 2009</bibRefCitation>
|
|
: fig. 10D). The carinae extend from the apex to half of the length of the crown, until the mesial and distal angulations. They appear shorter than in some
|
|
<taxonomicName id="4C614D2CFFA9FFF47685A76CFBB9FADF" authorityName="Marsh" authorityYear="1885" box="[959,1106,1364,1390]" class="Reptilia" family="Camptosauridae" genus="Camptosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="31" pageNumber="712" phylum="Chordata" rank="genus">
|
|
<emphasis id="B915EABDFFA9FFF47685A76CFBB9FADF" box="[959,1106,1364,1390]" italics="true" pageId="31" pageNumber="712">Camptosaurus</emphasis>
|
|
</taxonomicName>
|
|
specimens, in which the carinae extend along almost two-thirds of the edges (
|
|
<bibRefCitation id="EFF04B5EFFA9FFF4703EA74CFC7AFA1C" author="Norman & Barrett" firstAuthor="Norman" pageId="31" pageNumber="712" pagination="161 - 190" refId="ref44832" refString="NORMAN D. B. & BARRETT P. M. 2002. - Ornithischian dinosaurs from the lower Cretaceous (Berriasian) of England. Special Papers in Palaeontology 68: 161 - 190." type="journal article" year="2002">Norman & Barrett 2002</bibRefCitation>
|
|
: fig. 5A;
|
|
<bibRefCitation id="EFF04B5EFFA9FFF476CFA7ABFB6BFA1C" author="Galton" box="[1013,1152,1427,1453]" firstAuthor="Galton" pageId="31" pageNumber="712" pagination="211 - 273" refId="ref40109" refString="GALTON P. M. 2009. - Notes on Neocomian (Lower Cretaceous) ornithopod dinosaurs from England - Hypsilophodon, Valdosaurus, " Camptosaurus ", " Iguanodon " - and referred specimens from Romania and elsewhere. Revue de Paleobiologie 28: 211 - 273." type="journal article" year="2009">Galton 2009</bibRefCitation>
|
|
: fig. 10D). Both carinae are straight and oblique. Denticles are visible on the entire length of the preserved carinae. The mesial carina is damaged, but it apparently exhibits the same density of denticles as the distal carina with 3 denticles per mm. The denticles are fine, slightly mesially and distally hooked, and apicobasally oriented. They present a marked increase in size, the largest being the most apical. Ventral to the denticles, small ridges extend from their base towards the crown base. Most are approximately
|
|
<quantity id="4C999B4AFFA9FFF4706FA4AAFA78F91C" box="[1365,1427,1682,1709]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="31" pageNumber="712" unit="mm" value="1.0">1 mm</quantity>
|
|
in length but the longest is almost
|
|
<quantity id="4C999B4AFFA9FFF471BAA48AFB2AF97C" box="[1152,1217,1714,1741]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="31" pageNumber="712" unit="mm" value="5.0">5 mm</quantity>
|
|
in length and extends from the third well-developed denticle. The longitudinally concave lingual crown surface bears two strongly developed central and apicobasally oriented ridges separated by a flute. In contrast to the condition observed in some dentary teeth of the
|
|
<typeStatus id="54DA880DFFA9FFF4764FA569FC3FF8DA" box="[885,980,1873,1899]" pageId="31" pageNumber="712" type="holotype">holotype</typeStatus>
|
|
of
|
|
<taxonomicName id="4C614D2CFFA9FFF476C0A56AFB61F8DA" authorityName="Hulke" authorityYear="1880" box="[1018,1162,1873,1900]" class="Reptilia" family="Camptosauridae" genus="Camptosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="31" pageNumber="712" phylum="Chordata" rank="species" species="prestwichii">
|
|
<emphasis id="B915EABDFFA9FFF476C0A56AFB61F8DA" box="[1018,1162,1873,1900]" italics="true" pageId="31" pageNumber="712">C. prestwichii</emphasis>
|
|
</taxonomicName>
|
|
(
|
|
<bibRefCitation id="EFF04B5EFFA9FFF471A0A56AFA43F8DD" author="Norman & Barrett" box="[1178,1448,1874,1900]" firstAuthor="Norman" pageId="31" pageNumber="712" pagination="161 - 190" refId="ref44832" refString="NORMAN D. B. & BARRETT P. M. 2002. - Ornithischian dinosaurs from the lower Cretaceous (Berriasian) of England. Special Papers in Palaeontology 68: 161 - 190." type="journal article" year="2002">Norman & Barrett 2002</bibRefCitation>
|
|
: fig. 5A;
|
|
<bibRefCitation id="EFF04B5EFFA9FFF476B9A549FBE5F83A" author="Galton" box="[899,1038,1905,1931]" firstAuthor="Galton" pageId="31" pageNumber="712" pagination="211 - 273" refId="ref40109" refString="GALTON P. M. 2009. - Notes on Neocomian (Lower Cretaceous) ornithopod dinosaurs from England - Hypsilophodon, Valdosaurus, " Camptosaurus ", " Iguanodon " - and referred specimens from Romania and elsewhere. Revue de Paleobiologie 28: 211 - 273." type="journal article" year="2009">Galton 2009</bibRefCitation>
|
|
: fig. 9K) and
|
|
<taxonomicName id="4C614D2CFFA9FFF4719FA54AFAE6F83A" authorityName="Marsh" authorityYear="1894" box="[1189,1293,1905,1932]" class="Reptilia" family="Camptosauridae" genus="Camptosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="31" pageNumber="712" phylum="Chordata" rank="species" species="medius">
|
|
<emphasis id="B915EABDFFA9FFF4719FA54AFAE6F83A" box="[1189,1293,1905,1932]" italics="true" pageId="31" pageNumber="712">C. medius</emphasis>
|
|
</taxonomicName>
|
|
(
|
|
<bibRefCitation id="EFF04B5EFFA9FFF47027A549FA43F83A" author="Galton" box="[1309,1448,1905,1931]" firstAuthor="Galton" pageId="31" pageNumber="712" pagination="211 - 273" refId="ref40109" refString="GALTON P. M. 2009. - Notes on Neocomian (Lower Cretaceous) ornithopod dinosaurs from England - Hypsilophodon, Valdosaurus, " Camptosaurus ", " Iguanodon " - and referred specimens from Romania and elsewhere. Revue de Paleobiologie 28: 211 - 273." type="journal article" year="2009">Galton 2009</bibRefCitation>
|
|
: fig. 10D), but as seen in
|
|
<taxonomicName id="4C614D2CFFA9FFF4717DA5A9FB36F81D" box="[1095,1245,1937,1964]" class="Reptilia" genus="Owenodon" kingdom="Animalia" pageId="31" pageNumber="712" phylum="Chordata" rank="species" species="undetermined">
|
|
<emphasis id="B915EABDFFA9FFF4717DA5A9FB53F81A" box="[1095,1208,1937,1963]" italics="true" pageId="31" pageNumber="712">Owenodon</emphasis>
|
|
sp.
|
|
</taxonomicName>
|
|
(
|
|
<bibRefCitation id="EFF04B5EFFA9FFF471D5A5A9FA97F81A" author="Galton" box="[1263,1404,1937,1963]" firstAuthor="Galton" pageId="31" pageNumber="712" pagination="211 - 273" refId="ref40109" refString="GALTON P. M. 2009. - Notes on Neocomian (Lower Cretaceous) ornithopod dinosaurs from England - Hypsilophodon, Valdosaurus, " Camptosaurus ", " Iguanodon " - and referred specimens from Romania and elsewhere. Revue de Paleobiologie 28: 211 - 273." type="journal article" year="2009">Galton 2009</bibRefCitation>
|
|
: fig. 18J), the ridges are parallel throughout their length. The crown enamel extends more basally in the mesiolingual part of the crown than in the distolingual part. The enamel has a smooth texture and its surface bears transverse undulations contacting both carinae. They are more marked on the basal half of the crown.
|
|
</paragraph>
|
|
<paragraph id="8BDE36AFFF96FFCB75A1A36FFE80FD21" blockId="32.[131,777,215,656]" pageId="32" pageNumber="713">A pronounced constriction occurs at the base of the crown forming a cervix. Breakage of the root renders it impossible to assess whether or not it was longer than the crown. It is, however, clearly narrower. The width of the root is the same throughout the preserved portion, and it is roughly equivalent to the mesiodistal basal length measured at the level of the cervix. The root is labiolingually narrow and exhibits subparallel mesial and distal borders. On its lingual surface, a shallow concavity is visible. At the fracture point, it has a suboval cross section.</paragraph>
|
|
<paragraph id="8BDE36AFFF96FFCB75BEA08EFF2CFD7E" blockId="32.[132,199,694,719]" box="[132,199,694,719]" pageId="32" pageNumber="713">
|
|
<heading id="D09681C3FF96FFCB75BEA08EFF2CFD7E" box="[132,199,694,719]" fontSize="11" level="2" pageId="32" pageNumber="713" reason="8">
|
|
<emphasis id="B915EABDFF96FFCB75BEA08EFF2CFD7E" box="[132,199,694,719]" italics="true" pageId="32" pageNumber="713">Femur</emphasis>
|
|
</heading>
|
|
</paragraph>
|
|
<paragraph id="8BDE36AFFF96FFCB75BEA0EEFD6FFC7E" blockId="32.[130,777,725,2028]" pageId="32" pageNumber="713">
|
|
One subcomplete left femur is part of the material from Angeac-Charente referred to
|
|
<taxonomicName id="4C614D2CFF96FFCB7454A0CDFDCEFCBE" authorityName="Marsh" authorityYear="1885" box="[366,549,757,783]" class="Reptilia" family="Camptosauridae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ornithischia" pageId="32" pageNumber="713" phylum="Chordata" rank="family">Camptosauridae</taxonomicName>
|
|
. It is well-preserved, but both ends are crushed and eroded, and a small part of the distal end is missing (
|
|
<figureCitation id="135A2A2AFF96FFCB74A2A10DFE0FFCFE" box="[408,484,821,847]" captionStart="FIG" captionStartId="31.[132,143,1067,1084]" captionTargetBox="[131,1457,213,1026]" captionTargetId="figure-539@31.[698,1267,213,755]" captionTargetPageId="31" captionText="FIG. 22. — Camptosaur remains from Angeac-Charente: A, dentary tooth of Camptosauridae indet. (ANG11-1120) in lingual view; B-E, left femur of Camptosau- ridae indet. (ANG14-R563) in anterior (B), medial (C), posterior (D) and lateral (E) views. Scale bar: A-D, 5 cm; E, 1 cm." figureDoi="http://doi.org/10.5281/zenodo.6902087" httpUri="https://zenodo.org/record/6902087/files/figure.png" pageId="32" pageNumber="713">Fig. 22</figureCitation>
|
|
B-E). The preserved length of the femur is
|
|
<quantity id="4C999B4AFF96FFCB7413A16DFE61FCC1" box="[297,394,853,880]" metricMagnitude="-1" metricUnit="m" metricValue="2.65" pageId="32" pageNumber="713" unit="mm" value="265.0">265 mm</quantity>
|
|
. The diaphysis is relatively stout. In anterior and posterior views, the femur is straight (
|
|
<figureCitation id="135A2A2AFF96FFCB779EA14DFF76FC1E" captionStart="FIG" captionStartId="31.[132,143,1067,1084]" captionTargetBox="[131,1457,213,1026]" captionTargetId="figure-539@31.[698,1267,213,755]" captionTargetPageId="31" captionText="FIG. 22. — Camptosaur remains from Angeac-Charente: A, dentary tooth of Camptosauridae indet. (ANG11-1120) in lingual view; B-E, left femur of Camptosau- ridae indet. (ANG14-R563) in anterior (B), medial (C), posterior (D) and lateral (E) views. Scale bar: A-D, 5 cm; E, 1 cm." figureDoi="http://doi.org/10.5281/zenodo.6902087" httpUri="https://zenodo.org/record/6902087/files/figure.png" pageId="32" pageNumber="713">Fig. 22B, D</figureCitation>
|
|
). In lateral and medial views, the femur is curved with convex anterior and concave posterior margins.
|
|
</paragraph>
|
|
<paragraph id="8BDE36AFFF96FFCB75A1A1ECFE78FB5F" blockId="32.[130,777,725,2028]" pageId="32" pageNumber="713">
|
|
The femoral head is positioned in the same plane relative to the transverse axis of the distal condyles. The femoral head is discrete, unlike that of
|
|
<taxonomicName id="4C614D2CFF96FFCB74A2A62DFE13FB9F" authorityName="Marsh" authorityYear="1879" box="[408,504,1044,1071]" class="Reptilia" family="Camptosauridae" genus="Camptosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="32" pageNumber="713" phylum="Chordata" rank="species" species="dispar">
|
|
<emphasis id="B915EABDFF96FFCB74A2A62DFE13FB9F" box="[408,504,1044,1071]" italics="true" pageId="32" pageNumber="713">C. dispar</emphasis>
|
|
</taxonomicName>
|
|
(
|
|
<bibRefCitation id="EFF04B5EFF96FFCB7732A62CFCEBFB9F" author="Galton & Powell" box="[520,768,1044,1070]" firstAuthor="Galton" pageId="32" pageNumber="713" pagination="411 - 443" refId="ref40158" refString="GALTON P. M. & POWELL H. P. 1980. - The ornithischian dinosaur Camptosaurus prestwichii from the Upper Jurassic of England. Palaeontology 23 (2): 411 - 443." type="journal article" year="1980">Galton & Powell 1980</bibRefCitation>
|
|
: fig.2F) and oval in anterior and posterior views. In those views, it is inclined at approximately 40° with respect to the main axis of the bone. The neck is large and it merges obliquely with the femoral shaft. In some
|
|
<taxonomicName id="4C614D2CFF96FFCB74EBA6ACFD8FFB1F" authorityName="Marsh" authorityYear="1885" box="[465,612,1172,1198]" class="Reptilia" family="Camptosauridae" genus="Camptosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="32" pageNumber="713" phylum="Chordata" rank="genus">
|
|
<emphasis id="B915EABDFF96FFCB74EBA6ACFD8FFB1F" box="[465,612,1172,1198]" italics="true" pageId="32" pageNumber="713">Camptosaurus</emphasis>
|
|
</taxonomicName>
|
|
specimens, the neck looks more constricted (
|
|
<bibRefCitation id="EFF04B5EFF96FFCB74F2A68CFD3DFB7F" author="Norman & Barrett" box="[456,726,1204,1230]" firstAuthor="Norman" pageId="32" pageNumber="713" pagination="161 - 190" refId="ref44832" refString="NORMAN D. B. & BARRETT P. M. 2002. - Ornithischian dinosaurs from the lower Cretaceous (Berriasian) of England. Special Papers in Palaeontology 68: 161 - 190." type="journal article" year="2002">Norman & Barrett 2002</bibRefCitation>
|
|
: fig. 6;
|
|
<bibRefCitation id="EFF04B5EFF96FFCB759AA6ECFEC0FB5F" author="Galton" box="[160,299,1236,1262]" firstAuthor="Galton" pageId="32" pageNumber="713" pagination="211 - 273" refId="ref40109" refString="GALTON P. M. 2009. - Notes on Neocomian (Lower Cretaceous) ornithopod dinosaurs from England - Hypsilophodon, Valdosaurus, " Camptosaurus ", " Iguanodon " - and referred specimens from Romania and elsewhere. Revue de Paleobiologie 28: 211 - 273." type="journal article" year="2009">Galton 2009</bibRefCitation>
|
|
: fig. 5T).
|
|
</paragraph>
|
|
<paragraph id="8BDE36AFFF96FFCB75A1A6CBFE25F93D" blockId="32.[130,777,725,2028]" pageId="32" pageNumber="713">
|
|
The lesser trochanter is located on the anterior surface of the femur, on the proximal extremity. It is eroded, but it still appears as a strong and high protrusion extending proximodistally in the anterolateral angle of the femur. Its proximal extremity is lower than the proximal margin of the femoral head, but it still appears more strongly developed than in most described
|
|
<taxonomicName id="4C614D2CFF96FFCB74ADA78BFD6FFA7C" box="[407,644,1459,1485]" pageId="32" pageNumber="713">
|
|
<emphasis id="B915EABDFF96FFCB74ADA78BFDDBFA7C" box="[407,560,1459,1485]" italics="true" pageId="32" pageNumber="713">Camptosaurus</emphasis>
|
|
species
|
|
</taxonomicName>
|
|
(
|
|
<bibRefCitation id="EFF04B5EFF96FFCB77ADA78BFEE2FA5C" author="Galton & Powell" firstAuthor="Galton" pageId="32" pageNumber="713" pagination="411 - 443" refId="ref40158" refString="GALTON P. M. & POWELL H. P. 1980. - The ornithischian dinosaur Camptosaurus prestwichii from the Upper Jurassic of England. Palaeontology 23 (2): 411 - 443." type="journal article" year="1980">Galton & Powell 1980</bibRefCitation>
|
|
;
|
|
<bibRefCitation id="EFF04B5EFF96FFCB742FA7EBFDF6FA5C" author="Norman & Barrett" box="[277,541,1491,1517]" firstAuthor="Norman" pageId="32" pageNumber="713" pagination="161 - 190" refId="ref44832" refString="NORMAN D. B. & BARRETT P. M. 2002. - Ornithischian dinosaurs from the lower Cretaceous (Berriasian) of England. Special Papers in Palaeontology 68: 161 - 190." type="journal article" year="2002">Norman & Barrett 2002</bibRefCitation>
|
|
;
|
|
<bibRefCitation id="EFF04B5EFF96FFCB7713A7EBFF50F9BC" author="Carpenter & Wilson" firstAuthor="Carpenter" pageId="32" pageNumber="713" pagination="227 - 264" refId="ref37427" refString="CARPENTER K. & WILSON Y. 2008. - A new species of Camptosaurus (Ornithopoda: Dinosauria) from the Morrison Formation (Upper Jurassic) of Dinosaur National Monument, Utah, and a biomechanical analysis of its forelimb. Annals of Carnegie Museum 76: 227 - 264. https: // doi. org / fkbwqj" type="journal article" year="2008">Carpenter & Wilson 2008</bibRefCitation>
|
|
;
|
|
<bibRefCitation id="EFF04B5EFF96FFCB75F1A7CBFEBCF9BC" author="Galton" box="[203,343,1523,1549]" firstAuthor="Galton" pageId="32" pageNumber="713" pagination="211 - 273" refId="ref40109" refString="GALTON P. M. 2009. - Notes on Neocomian (Lower Cretaceous) ornithopod dinosaurs from England - Hypsilophodon, Valdosaurus, " Camptosaurus ", " Iguanodon " - and referred specimens from Romania and elsewhere. Revue de Paleobiologie 28: 211 - 273." type="journal article" year="2009">Galton 2009</bibRefCitation>
|
|
). There is no deep cleft visible between the lesser trochanter and the greater trochanter, in contrast to the condition observed in
|
|
<taxonomicName id="4C614D2CFF96FFCB74FDA40BFEF6F9DC" authority="(Carpenter & Wilson 2008)" baseAuthorityName="Carpenter & Wilson" baseAuthorityYear="2008" class="Reptilia" family="Camptosauridae" genus="Camptosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="32" pageNumber="713" phylum="Chordata" rank="species" species="aphanoecetes">
|
|
<emphasis id="B915EABDFF96FFCB74FDA40BFD81F9FD" box="[455,618,1586,1613]" italics="true" pageId="32" pageNumber="713">C. aphanoecetes</emphasis>
|
|
(
|
|
<bibRefCitation id="EFF04B5EFF96FFCB7740A40BFEF9F9DD" author="Carpenter & Wilson" firstAuthor="Carpenter" pageId="32" pageNumber="713" pagination="227 - 264" refId="ref37427" refString="CARPENTER K. & WILSON Y. 2008. - A new species of Camptosaurus (Ornithopoda: Dinosauria) from the Morrison Formation (Upper Jurassic) of Dinosaur National Monument, Utah, and a biomechanical analysis of its forelimb. Annals of Carnegie Museum 76: 227 - 264. https: // doi. org / fkbwqj" type="journal article" year="2008">Carpenter & Wilson 2008</bibRefCitation>
|
|
)
|
|
</taxonomicName>
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. The greater trochanter is difficult to discern, probably as a result of erosion.
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</paragraph>
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<paragraph id="8BDE36AFFF96FFCB75A1A4AAFC44FE83" blockId="32.[130,777,725,2028]" lastBlockId="32.[811,1457,215,464]" pageId="32" pageNumber="713">
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The femur diaphysis has a quadrangular cross section. It is as robust as in other camptosaurids. Under the fourth trochanter, the diaphysis is slightly narrower transversely than anteroposteriorly. On the posterior surface of the diaphysis, the pendent fourth trochanter is located on the medial edge of the bone, just above midshaft (
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<figureCitation id="135A2A2AFF96FFCB74CAA509FDD7F8FD" box="[496,572,1841,1868]" captionStart="FIG" captionStartId="31.[132,143,1067,1084]" captionTargetBox="[131,1457,213,1026]" captionTargetId="figure-539@31.[698,1267,213,755]" captionTargetPageId="31" captionText="FIG. 22. — Camptosaur remains from Angeac-Charente: A, dentary tooth of Camptosauridae indet. (ANG11-1120) in lingual view; B-E, left femur of Camptosau- ridae indet. (ANG14-R563) in anterior (B), medial (C), posterior (D) and lateral (E) views. Scale bar: A-D, 5 cm; E, 1 cm." figureDoi="http://doi.org/10.5281/zenodo.6902087" httpUri="https://zenodo.org/record/6902087/files/figure.png" pageId="32" pageNumber="713">Fig. 22</figureCitation>
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C-E). It is strongly developed, as in most species of
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<taxonomicName id="4C614D2CFF96FFCB74E2A56AFD86F8DD" authorityName="Marsh" authorityYear="1885" box="[472,621,1874,1900]" class="Reptilia" family="Camptosauridae" genus="Camptosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="32" pageNumber="713" phylum="Chordata" rank="genus">
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<emphasis id="B915EABDFF96FFCB74E2A56AFD86F8DD" box="[472,621,1874,1900]" italics="true" pageId="32" pageNumber="713">Camptosaurus</emphasis>
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</taxonomicName>
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(
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<bibRefCitation id="EFF04B5EFF96FFCB7746A56AFEFBF83A" author="Carpenter & Wilson" firstAuthor="Carpenter" pageId="32" pageNumber="713" pagination="227 - 264" refId="ref37427" refString="CARPENTER K. & WILSON Y. 2008. - A new species of Camptosaurus (Ornithopoda: Dinosauria) from the Morrison Formation (Upper Jurassic) of Dinosaur National Monument, Utah, and a biomechanical analysis of its forelimb. Annals of Carnegie Museum 76: 227 - 264. https: // doi. org / fkbwqj" type="journal article" year="2008">Carpenter & Wilson 2008</bibRefCitation>
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;
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<bibRefCitation id="EFF04B5EFF96FFCB7427A549FE4CF83A" author="Galton" box="[285,423,1905,1931]" firstAuthor="Galton" pageId="32" pageNumber="713" pagination="211 - 273" refId="ref40109" refString="GALTON P. M. 2009. - Notes on Neocomian (Lower Cretaceous) ornithopod dinosaurs from England - Hypsilophodon, Valdosaurus, " Camptosaurus ", " Iguanodon " - and referred specimens from Romania and elsewhere. Revue de Paleobiologie 28: 211 - 273." type="journal article" year="2009">Galton 2009</bibRefCitation>
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), and it is blade-shaped in lateral view (
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<figureCitation id="135A2A2AFF96FFCB75FEA5A9FECFF81D" box="[196,292,1937,1964]" captionStart="FIG" captionStartId="31.[132,143,1067,1084]" captionTargetBox="[131,1457,213,1026]" captionTargetId="figure-539@31.[698,1267,213,755]" captionTargetPageId="31" captionText="FIG. 22. — Camptosaur remains from Angeac-Charente: A, dentary tooth of Camptosauridae indet. (ANG11-1120) in lingual view; B-E, left femur of Camptosau- ridae indet. (ANG14-R563) in anterior (B), medial (C), posterior (D) and lateral (E) views. Scale bar: A-D, 5 cm; E, 1 cm." figureDoi="http://doi.org/10.5281/zenodo.6902087" httpUri="https://zenodo.org/record/6902087/files/figure.png" pageId="32" pageNumber="713">Fig. 22E</figureCitation>
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). In posterior view, the base of the trochanter is straight (
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<figureCitation id="135A2A2AFF96FFCB75C3A589FEB0F87D" box="[249,347,1969,1996]" captionStart="FIG" captionStartId="31.[132,143,1067,1084]" captionTargetBox="[131,1457,213,1026]" captionTargetId="figure-539@31.[698,1267,213,755]" captionTargetPageId="31" captionText="FIG. 22. — Camptosaur remains from Angeac-Charente: A, dentary tooth of Camptosauridae indet. (ANG11-1120) in lingual view; B-E, left femur of Camptosau- ridae indet. (ANG14-R563) in anterior (B), medial (C), posterior (D) and lateral (E) views. Scale bar: A-D, 5 cm; E, 1 cm." figureDoi="http://doi.org/10.5281/zenodo.6902087" httpUri="https://zenodo.org/record/6902087/files/figure.png" pageId="32" pageNumber="713">Fig. 22D</figureCitation>
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). The proximal margin of the trochanter is elongated and gradually rises from the diaphysis, at an angle of approximately 115° relatively to the main axis of the shaft. The distal margin of the fourth trochanter is shorter and steeper.
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</paragraph>
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<paragraph id="8BDE36AFFF96FFCB7679A30FFAFEFE61" blockId="32.[811,1457,215,464]" pageId="32" pageNumber="713">The distal extremity of the femur is incomplete.A longitudinal bulge is visible above the distal condyles, but the condyles themselves are not preserved. On the anterior surface of the femur, a very shallow intercondylar groove is present. On the posterior surface, the popliteal fossa is visible.</paragraph>
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</subSubSection>
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</treatment>
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</document> |