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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Diapsida</span></h1>
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<div>Diapsida</div>
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<div class="legend">Diapsides de différents groupes : (de haut en bas et de gauche à droite) un <a href="Mocassin_%C3%A0_t%C3%AAte_cuivr%C3%A9e" class="mw-redirect" title="Mocassin à tête cuivrée">Mocassin à tête cuivrée</a> (<a href="Squamate" class="mw-redirect" title="Squamate">Squamate</a>), un <a href="Alecto_%C3%A0_t%C3%AAte_blanche" title="Alecto à tête blanche">Alecto à tête blanche</a> (<a href="Oiseau" title="Oiseau">Oiseau</a>), un <a href="Alligator_d'Am%C3%A9rique" title="Alligator d'Amérique">Alligator d'Amérique</a> (<a href="Crocodilien" class="mw-redirect" title="Crocodilien">Crocodilien</a>), <i><a href="Heterodontosaurus" title="Heterodontosaurus">Heterodontosaurus</a></i> (un <a href="Dinosaure" class="mw-redirect" title="Dinosaure">Dinosaure</a>), des <i><a href="Tupuxuara" title="Tupuxuara">Tupuxuara</a></i> (<a href="Pt%C3%A9rosaures" class="mw-redirect" title="Ptérosaures">Ptérosaures</a>) et des <i><a href="Platypterygius" title="Platypterygius">Platypterygius</a></i> (<a href="Ichthyosaures" class="mw-redirect" title="Ichthyosaures">Ichthyosaures</a>).</div><div class="center"><style data-mw-deduplicate="TemplateStyles:r216790686">
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</style><span style="display:inline-block;"></span><span style="display:inline-block;">306–0 <a href="Million_d'ann%C3%A9es" title="Million d'années">Ma</a></span> <span style="display:inline-block;"></span><div class="liens-sombres" id="Timeline-row" style="margin: 4px auto 0; clear:both; width:220px; padding:0px; height:18px; overflow:visible; border:1px #666; border-style:solid none; position:relative; z-index:0; font-size:13px;"><div style="position:absolute; height:18px; left:0px; width:208.07692307692px; padding-left:5px; text-align:left; background-color:; background-image: linear-gradient(to right, rgba(255,255,255,1), rgba(254,217,106,1) 15%, rgba(254,217,106,1));"><a href="Pr%C3%A9cambrien" title="Précambrien">PreꞒ</a></div>
<div style="position:absolute; height:18px; text-align:center; background-color:rgb(127,160,86); left:36.892307692308px; width:18.818461538462px;"><a href="Cambrien" title="Cambrien">Ꞓ</a></div>
<div style="position:absolute; height:18px; text-align:center; background-color:rgb(0,146,112); left:55.710769230769px; width:14.08px;"><a href="Ordovicien" title="Ordovicien">O</a></div>
<div style="position:absolute; height:18px; text-align:center; background-color:rgb(179,225,182); left:69.790769230769px; width:8.3261538461539px;"><a href="Silurien" title="Silurien">S</a></div>
<div style="position:absolute; height:18px; text-align:center; background-color:rgb(203,140,55); left:78.116923076923px; width:20.409230769231px;"><a href="D%C3%A9vonien" title="Dévonien">D</a></div>
<div style="position:absolute; height:18px; text-align:center; background-color:rgb(103,143,102); left:98.526153846154px; width:20.307692307692px;"><a href="Carbonif%C3%A8re" title="Carbonifère">C</a></div>
<div style="position:absolute; height:18px; text-align:center; background-color:rgb(240,64,40); left:118.83384615385px; width:15.907015384615px;"><a href="Permien" title="Permien">P</a></div>
<div style="position:absolute; height:18px; text-align:center; background-color:rgb(129,43,146); left:134.74086153846px; width:17.126830769231px;"><a href="Trias" title="Trias">T</a></div>
<div style="position:absolute; height:18px; text-align:center; background-color:rgb(52,178,201); left:151.86769230769px; width:19.055384615385px;"><a href="Jurassique" title="Jurassique">J</a></div>
<div style="position:absolute; height:18px; text-align:center; background-color:rgb(127,198,78); left:170.92307692308px; width:26.738461538462px;"><a href="Cr%C3%A9tac%C3%A9" title="Crétacé">K</a></div>
<div style="position:absolute; height:18px; text-align:center; background-color:rgb(253,154,82); left:197.66153846154px; width:14.543692307692px;"><a href="Pal%C3%A9og%C3%A8ne" title="Paléogène"><small><small>Pg</small></small></a></div>
<div style="position:absolute; height:18px; text-align:center; background-color:rgb(255,230,25); left:212.20523076923px; width:6.9215384615385px;"><a href="N%C3%A9og%C3%A8ne" title="Néogène"><small>N</small></a></div>
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<div style="position:absolute; height:6px; top:1px; left:117.43076923077px; width:101.56923076923px; background-color:#6c3;"></div>
</div>
</div> </div><div class="center">19 341 collections</div><div class="center"><a href="Missourien" class="mw-redirect" title="Missourien">Missourien</a> du <a href="Pennsylvanien" title="Pennsylvanien">Pennsylvanien</a> du <a href="Carbonif%C3%A8re_sup%C3%A9rieur" class="mw-redirect" title="Carbonifère supérieur">Carbonifère supérieur</a> au <a href="Holoc%C3%A8ne" title="Holocène">présent</a>.</div><table class="taxobox_classification"><caption style=""><a href="Classification_scientifique_des_esp%C3%A8ces" title="Classification scientifique des espèces">Classification</a></caption><tbody><tr>
<th scope="row" style="width:8em;"><a href="R%C3%A8gne_(biologie)" title="Règne (biologie)">Règne</a></th>
<td>
<span class="normal"><a href="Animal" title="Animal">Animalia</a></span></td>
</tr>
<tr>
<th scope="row" style="width:8em;"><a href="Sous-r%C3%A8gne" title="Sous-règne">Sous-règne</a></th>
<td>
<span class="normal"><a href="Eumetazoa" title="Eumetazoa">Eumetazoa</a></span></td>
</tr>
<tr>
<th scope="row" style="width:8em;"><a href="Embranchement_(biologie)" class="mw-redirect" title="Embranchement (biologie)">Embranchement</a></th>
<td>
<span class="normal"><a href="Chordata" title="Chordata">Chordata</a></span></td>
</tr>
<tr>
<th scope="row" style="width:8em;"><a href="Sous-embranchement" title="Sous-embranchement"><abbr class="abbr" title="Sous-embranchement">Sous-embr.</abbr></a></th>
<td>
<span class="normal"><a href="Vertebrata" class="mw-redirect" title="Vertebrata">Vertebrata</a></span></td>
</tr>
<tr>
<th scope="row" style="width:8em;"><a href="Infra-embranchement" title="Infra-embranchement"><abbr class="abbr" title="Infra-embranchement">Infra-embr.</abbr></a></th>
<td>
<span class="normal"><a href="Gnathostomata_(Vertebrata)" class="mw-redirect" title="Gnathostomata (Vertebrata)">Gnathostomata</a></span></td>
</tr>
<tr>
<th scope="row" style="width:8em;"><a href="Super-classe_(biologie)" title="Super-classe (biologie)">Super-classe</a></th>
<td>
<span class="normal"><a href="Tetrapoda" title="Tetrapoda">Tetrapoda</a></span></td>
</tr>
<tr>
<th scope="row" style="width:8em;"><a href="Classe_(biologie)" title="Classe (biologie)">Classe</a></th>
<td>
<span class="normal"><a href="Sauropsida" title="Sauropsida">Sauropsida</a></span></td>
</tr>
<tr>
<th scope="row" style="width:8em;"><a href="Clade" title="Clade">Clade</a></th>
<td>
<span class="normal"><a href="Eureptilia" title="Eureptilia">Eureptilia</a></span></td>
</tr>
<tr>
<th scope="row" style="width:8em;"><a href="Clade" title="Clade">Clade</a></th>
<td>
<span class="normal"><a href="Romeriida" title="Romeriida">Romeriida</a></span></td>
</tr>
</tbody></table>
<p class="bloc"><a href="Sous-classe_(biologie)" title="Sous-classe (biologie)">Sous-classe</a> ou <a href="Clade" title="Clade">Clade</a></p><div class="center taxobox_classification"><b><span class="normal"><span style="font-style: normal">Diapsida</span></span></b><br><span class="rnormal"><small><b><a href="Henry_Fairfield_Osborn" title="Henry Fairfield Osborn">Osborn</a>, <a href="1903" title="1903">1903</a></b></small></span></div>
<p class="bloc">Taxons de rang inférieur</p>
<div class="left">
<ul><li>† <a href="Araeoscelidia" title="Araeoscelidia">Araeoscelidia</a></li>
<li><a href="Neodiapsida" title="Neodiapsida">Neodiapsida</a>
<ul><li>† <i>Kenyasaurus</i></li>
<li>† <i>Lanthanolania</i></li>
<li>† <i>Orovenator</i></li>
<li>† <i>Palaeagama</i></li>
<li>† <i>Saurosternon</i></li>
<li>† <i><a href="Claudiosaurus" title="Claudiosaurus">Claudiosaurus</a></i></li>
<li>† Tangasauridae</li>
<li>† <a href="Ichthyosauromorpha" title="Ichthyosauromorpha">Ichthyosauromorpha</a></li>
<li>† Weigeltisauridae</li>
<li>† <a href="Younginiformes" title="Younginiformes">Younginiformes</a></li>
<li>† <a href="Thalattosauria" title="Thalattosauria">Thalattosauria</a></li>
<li><a href="Sauria" class="mw-redirect" title="Sauria">Sauria</a>
<ul><li><a href="Archosauromorpha" title="Archosauromorpha">Archosauromorpha</a></li>
<li><a href="Lepidosauromorpha" title="Lepidosauromorpha">Lepidosauromorpha</a></li></ul></li></ul></li></ul></div>
</div>
<p>Les <b>diapsides</b> (<b>Diapsida</b>) sont une <a href="Sous-classe_(biologie)" title="Sous-classe (biologie)">sous-classe</a> ainsi qu'un <a href="Clade" title="Clade">clade</a> de <a href="Tetrapoda" title="Tetrapoda">tétrapodes</a> <a href="Amniota" title="Amniota">amniotes</a> du clade des <a href="Sauropsida" title="Sauropsida">Sauropsides</a>, qui réunit tous les <a href="Oiseau" title="Oiseau">oiseaux</a> et <a href="Reptile" class="mw-redirect" title="Reptile">reptiles</a> actuels. Leur <a href="Cr%C3%A2ne" title="Crâne">crâne</a> possède, ou possédait dans leur <a href="%C3%89volution_du_vivant" class="mw-redirect" title="Évolution du vivant">évolution</a>, deux paires de <a href="Fosse_temporale_(biologie)" title="Fosse temporale (biologie)">fosses temporales</a>, c'est-à-dire deux ouvertures. Les os <a href="Os_temporal" title="Os temporal">temporal</a> et <a href="Os_postorbitaire" title="Os postorbitaire">postorbitaire</a> les séparent. Ces ouvertures permettent aux <a href="M%C3%A2choire" title="Mâchoire">mâchoires</a> de se bloquer en position fermée et ainsi d'avoir plus de force lors d'une morsure.
</p><p>La question de l'appartenance des tortues aux diapsides est discutée. Traditionnellement, elles en sont exclues, car elles ne portent pas de fosses temporales. Des études morphologiques (menées par différents auteurs<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>) s'accordent cependant pour dire que les tortues seraient des diapsides modifiés, ayant perdu leurs fosses temporales. Les tortues sont, d'un point de vue descriptif, des <a href="Anapside" class="mw-redirect" title="Anapside">anapsides</a> (au sens où elles ne possèdent pas ces fosses supérieures et inférieures). Mais, d'un point de vue <a href="Phylog%C3%A9nie" title="Phylogénie">phylogénétique</a>, on ne peut pas exclure leur appartenance aux diapsides<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>. Ceux-ci incluraient alors tous les « reptiles » actuels et les oiseaux, sans exception.
</p>
<div class="mw-heading mw-heading2"><h2 id="Évolution"><span id=".C3.89volution"></span>Évolution</h2></div>
<p>Les premiers fossiles de diapsides connus datent du <a href="Pennsylvanien" title="Pennsylvanien">Carbonifère supérieur</a>. Certaines espèces de diapsides ont perdu une fosse (<a href="L%C3%A9zard" title="Lézard">lézards</a>), les deux (<a href="Serpents" class="mw-redirect" title="Serpents">serpents</a>), ou ont subi une restructuration plus complète du crâne (oiseaux modernes). On a observé aussi sur les fossiles un <a href="Os_radius" class="mw-redirect" title="Os radius">radius</a> plus long que l'humérus sur la patte antérieure.
</p><p>C'est le cas de nombreux <a href="Dinosaure" class="mw-redirect" title="Dinosaure">Dinosaures</a>, <a href="Pt%C3%A9rosaure" class="mw-redirect" title="Ptérosaure">Ptérosaures</a>, <a href="Pl%C3%A9siosaure" class="mw-redirect" title="Plésiosaure">Plésiosaures</a>, <a href="Mosasaure" class="mw-redirect" title="Mosasaure">Mosasaures</a>… <a href="Squamate" class="mw-redirect" title="Squamate">Squamates</a>, <a href="Crocodilia" title="Crocodilia">Crocodilia</a> et <a href="Aves" class="mw-redirect" title="Aves">Oiseaux</a>. On dénombre encore environ 14 600 espèces vivantes dans ce groupe.
</p>
<div class="mw-heading mw-heading2"><h2 id="Taxonomie">Taxonomie</h2></div>
<p>Les <a href="Euryapsides" class="mw-redirect" title="Euryapsides">Euryapsides</a> dont le crâne diffère des diapsides par le nombre de <a href="Fosse_temporale_(biologie)" title="Fosse temporale (biologie)">fosses temporales</a> (ou fenêtres temporales) sont à présent classés dans ce taxon. La classification de la plupart des taxons supérieurs est controversée et sujette à modification.
</p>
<p>D'après Benton, 2005<sup id="cite_ref-benton2005_3-0" class="reference"><a href="#cite_note-benton2005-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup>.
</p>
<ul><li><b>Sous-classe des DIAPSIDA</b> :
<ul><li><a href="Ordre_(biologie)" title="Ordre (biologie)">Ordre</a> des †<a href="Araeoscelidia" title="Araeoscelidia">Araeoscelidia</a></li>
<li>Ordre des †<a href="Thalattosauria" title="Thalattosauria">Thalattosauria</a>, parfois placé dans <a href="Sauropterygia" title="Sauropterygia">Sauropterygia</a></li>
<li>Ordre des †<a href="Younginiformes" title="Younginiformes">Younginiformes</a></li>
<li><a href="Infra-classe" title="Infra-classe">Infra-classe</a> des †<a href="Ichthyosauromorpha" title="Ichthyosauromorpha">Ichthyosauromorpha</a> (avec les <a href="Ichthyosaure" class="mw-redirect" title="Ichthyosaure">ichthyosaures</a>)</li>
<li>Clade des <b>Sauria</b> (le groupe-couronne des diapsides actuels)
<ul><li>Infra-classe des <a href="Lepidosauromorpha" title="Lepidosauromorpha">Lepidosauromorpha</a>
<ul><li>Super-ordre des <a href="Lepidosauria" title="Lepidosauria">Lepidosauria</a> (<a href="Sph%C3%A9nodon" class="mw-redirect" title="Sphénodon">Sphénodon</a>, <a href="L%C3%A9zards" class="mw-redirect" title="Lézards">lézards</a>, <a href="Amphisbaenia" title="Amphisbaenia">amphisbaenia</a> et <a href="Serpent" class="mw-redirect" title="Serpent">serpents</a>)</li>
<li>Super-ordre des †<a href="Sauropterygia" title="Sauropterygia">Sauropterygia</a> (<a href="Pl%C3%A9siosaures" class="mw-redirect" title="Plésiosaures">plésiosaures</a> et apparentés)</li></ul></li>
<li>Infra-classe des <a href="Archosauromorpha" title="Archosauromorpha">Archosauromorpha</a>
<ul><li>Ordre des †<a href="Choristodera" title="Choristodera">Choristodera</a></li>
<li>Ordre des †<a href="Prolacertiformes" title="Prolacertiformes">Prolacertiformes</a></li>
<li>Ordre des †<a href="Rhynchosauria" title="Rhynchosauria">Rhynchosauria</a></li>
<li>Ordre des †<a href="Trilophosauria" title="Trilophosauria">Trilophosauria</a></li>
<li>Division des <a href="Archosauria" title="Archosauria">Archosauria</a>
<ul><li><a href="Sous-division" title="Sous-division">Sous-division</a> des <a href="Avemetatarsalia" title="Avemetatarsalia">Avemetatarsalia</a>
<ul><li>Ordre des †<a href="Pterosauria" title="Pterosauria">Pterosauria</a></li>
<li>Super-ordre des <a href="Dinosauria" title="Dinosauria">Dinosauria</a> (incluant les <a href="Oiseaux" class="mw-redirect" title="Oiseaux">oiseaux</a>)</li></ul></li>
<li>Sous-division des <a href="Pseudosuchia" title="Pseudosuchia">Pseudosuchia</a>
<ul><li>Ordre des †<a href="Aetosauria" title="Aetosauria">Aetosauria</a></li>
<li>Ordre des †<a href="Phytosauria" title="Phytosauria">Phytosauria</a></li>
<li>Super-ordre des <a href="Crocodylomorpha" title="Crocodylomorpha">Crocodylomorpha</a>
<ul><li>Ordre des <a href="Crocodylia" class="mw-redirect" title="Crocodylia">Crocodylia</a> (crocodiliens)</li></ul></li></ul></li></ul></li></ul></li></ul></li></ul></li></ul>
<div class="mw-heading mw-heading3"><h3 id="Phylogénie"><span id="Phylog.C3.A9nie"></span>Phylogénie</h3></div>
<p>Les <a href="Araeosc%C3%A9lidiens" class="mw-redirect" title="Araeoscélidiens">Araeoscélidiens</a> forment le groupe de diapsides le plus basal connu. Le clade des Neodiapsida inclut tous les diapsides plus proches du <a href="Groupe-couronne" title="Groupe-couronne">groupe-couronne</a> des Sauria que des <a href="Araeoscelidia" title="Araeoscelidia">Araeoscelidia</a>.<br>
Phylogénie des genres et groupes basaux de diapsides, d'après Bickelmann <i>et al.</i>, 2009<sup id="cite_ref-Bickelmann09_4-0" class="reference"><a href="#cite_note-Bickelmann09-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> et Reisz <i>et al.</i>, 2011<sup id="cite_ref-Orovenator_5-0" class="reference"><a href="#cite_note-Orovenator-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> :
</p>
<table class="clade" cellpadding="0" style="border-spacing:0; font-size:100%;line-height:90%">
<tbody><tr>
<td style="width:1.5em; border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"> <a class="mw-selflink selflink">Diapsida</a>
</td>
<td rowspan="2">
<table class="clade" cellpadding="0" style="border-spacing:0;">
<tbody><tr>
<td style="width:1.5em; border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"><br>
</td>
<td rowspan="2">
<p><abbr class="abbr" title="éteint">†</abbr><a href="Araeoscelidia" title="Araeoscelidia">Araeoscelidia</a>
</p>
</td></tr>
<tr>
<td style="border-left:1px solid var(--color-emphasized, black);"><br>
</td></tr>
<tr>
<td style="border-left:1px solid var(--color-emphasized, black); border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"> Neodiapsida
</td>
<td rowspan="2">
<table class="clade" cellpadding="0" style="border-spacing:0;">
<tbody><tr>
<td style="width:1.5em; border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"><br>
</td>
<td rowspan="2">
<p><abbr class="abbr" title="éteint">†</abbr><i>Orovenator</i>
</p>
</td></tr>
<tr>
<td style="border-left:1px solid var(--color-emphasized, black);"><br>
</td></tr>
<tr>
<td style="border-left:1px solid var(--color-emphasized, black); border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"><br>
</td>
<td rowspan="2">
<table class="clade" cellpadding="0" style="border-spacing:0;">
<tbody><tr>
<td style="width:1.5em; border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"><br>
</td>
<td rowspan="2">
<p><abbr class="abbr" title="éteint">†</abbr><i>Lanthanolania</i>
</p>
</td></tr>
<tr>
<td style="border-left:1px solid var(--color-emphasized, black);"><br>
</td></tr>
<tr>
<td style="border-left:1px solid var(--color-emphasized, black); border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"><br>
</td>
<td rowspan="2">
<table class="clade" cellpadding="0" style="border-spacing:0;">
<tbody><tr>
<td style="width:1.5em; border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"><br>
</td>
<td rowspan="2">
<p><abbr class="abbr" title="éteint">†</abbr>Tangasauridae
</p>
</td></tr>
<tr>
<td style="border-left:1px solid var(--color-emphasized, black);"><br>
</td></tr>
<tr>
<td style="border-left:1px solid var(--color-emphasized, black); border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"><br>
</td>
<td rowspan="2">
<table class="clade" cellpadding="0" style="border-spacing:0;">
<tbody><tr>
<td style="width:1.5em; border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"><br>
</td>
<td rowspan="2">
<p><abbr class="abbr" title="éteint">†</abbr>Younginidae
</p>
</td></tr>
<tr>
<td style="border-left:1px solid var(--color-emphasized, black);"><br>
</td></tr>
<tr>
<td style="border-left:1px solid var(--color-emphasized, black); border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"><br>
</td>
<td rowspan="2">
<table class="clade" cellpadding="0" style="border-spacing:0;">
<tbody><tr>
<td style="width:1.5em; border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"><br>
</td>
<td rowspan="2">
<p><abbr class="abbr" title="éteint">†</abbr><i><a href="Claudiosaurus" title="Claudiosaurus">Claudiosaurus</a></i>
</p>
</td></tr>
<tr>
<td style="border-left:1px solid var(--color-emphasized, black);"><br>
</td></tr>
<tr>
<td style="border-left:1px solid var(--color-emphasized, black); border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"><br>
</td>
<td rowspan="2">
<table class="clade" cellpadding="0" style="border-spacing:0;">
<tbody><tr>
<td style="width:1.5em; border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"><br>
</td>
<td rowspan="2">
<table class="clade" cellpadding="0" style="border-spacing:0;">
<tbody><tr>
<td style="width:1.5em; border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"><br>
</td>
<td rowspan="2">
<p><abbr class="abbr" title="éteint">†</abbr><i>Palaeagama</i>
</p>
</td></tr>
<tr>
<td style="border-left:1px solid var(--color-emphasized, black);"><br>
</td></tr>
<tr>
<td style="border-left:1px solid var(--color-emphasized, black); border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"><br>
</td>
<td rowspan="2">
<p><abbr class="abbr" title="éteint">†</abbr><i>Saurosternon</i>
</p>
</td></tr>
<tr>
<td><br>
</td></tr></tbody></table>
</td></tr>
<tr>
<td style="border-left:1px solid var(--color-emphasized, black);"><br>
</td></tr>
<tr>
<td style="border-left:1px solid var(--color-emphasized, black); border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"><br>
</td>
<td rowspan="2">
<table class="clade" cellpadding="0" style="border-spacing:0;">
<tbody><tr>
<td style="width:1.5em; border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"><br>
</td>
<td rowspan="2">
<p><abbr class="abbr" title="éteint">†</abbr><i><a href="Coelurosauravus" title="Coelurosauravus">Coelurosauravus</a></i>
</p>
</td></tr>
<tr>
<td style="border-left:1px solid var(--color-emphasized, black);"><br>
</td></tr>
<tr>
<td style="border-left:1px solid var(--color-emphasized, black); border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"><br>
</td>
<td rowspan="2">
<table class="clade" cellpadding="0" style="border-spacing:0;">
<tbody><tr>
<td style="width:1.5em; border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"><br>
</td>
<td rowspan="2">
<table class="clade" cellpadding="0" style="border-spacing:0;">
<tbody><tr>
<td style="width:1.5em; border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"><br>
</td>
<td rowspan="2">
<p><abbr class="abbr" title="éteint">†</abbr><a href="Thalattosauria" title="Thalattosauria">Thalattosauria</a>
</p>
</td></tr>
<tr>
<td style="border-left:1px solid var(--color-emphasized, black);"><br>
</td></tr>
<tr>
<td style="border-left:1px solid var(--color-emphasized, black); border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"><br>
</td>
<td rowspan="2">
<p><abbr class="abbr" title="éteint">†</abbr><a href="Ichthyosauria" title="Ichthyosauria">Ichthyosauria</a>
</p>
</td></tr>
<tr>
<td><br>
</td></tr></tbody></table>
</td></tr>
<tr>
<td style="border-left:1px solid var(--color-emphasized, black);"><br>
</td></tr>
<tr>
<td style="border-left:1px solid var(--color-emphasized, black); border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"> Sauria
</td>
<td rowspan="2">
<table class="clade" cellpadding="0" style="border-spacing:0;">
<tbody><tr>
<td style="width:1.5em; border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"> <a href="Archosauromorpha" title="Archosauromorpha">Archosauromorpha</a>
</td>
<td rowspan="2">
<p><a href="Archosauria" title="Archosauria">Archosauria</a> (avec les <a href="Crocodiliens" class="mw-redirect" title="Crocodiliens">crocodiliens</a> et les <a href="Oiseaux" class="mw-redirect" title="Oiseaux">oiseaux</a>)
</p>
</td></tr>
<tr>
<td style="border-left:1px solid var(--color-emphasized, black);"><br>
</td></tr>
<tr>
<td style="border-left:1px solid var(--color-emphasized, black); border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"> <a href="Lepidosauromorpha" title="Lepidosauromorpha">Lepidosauromorpha</a>
</td>
<td rowspan="2">
<p><a href="Lepidosauria" title="Lepidosauria">Lepidosauria</a> (avec les <a href="Squamates" class="mw-redirect" title="Squamates">squamates</a> et les <a href="Rhynchoc%C3%A9phales" class="mw-redirect" title="Rhynchocéphales">rhynchocéphales</a>)
</p>
</td></tr>
<tr>
<td><br>
</td></tr></tbody></table>
</td></tr>
<tr>
<td><br>
</td></tr></tbody></table>
</td></tr>
<tr>
<td><br>
</td></tr></tbody></table>
</td></tr>
<tr>
<td><br>
</td></tr></tbody></table>
</td></tr>
<tr>
<td><br>
</td></tr></tbody></table>
</td></tr>
<tr>
<td><br>
</td></tr></tbody></table>
</td></tr>
<tr>
<td><br>
</td></tr></tbody></table>
</td></tr>
<tr>
<td><br>
</td></tr></tbody></table>
</td></tr>
<tr>
<td><br>
</td></tr></tbody></table>
</td></tr>
<tr>
<td><br>
</td></tr></tbody></table>
</td></tr>
<tr>
<td><br>
</td></tr></tbody></table>
<p>Phylogénie des grands groupes de <a class="mw-selflink selflink">diapsides</a> actuels (à l'exception des <a href="Tortues" class="mw-redirect" title="Tortues">tortues</a> dont la position est incertaine) :
</p>
<table class="clade" cellpadding="0" style="border-spacing:0; font-size:100%; line-height:100%">
<tbody><tr>
<td style="width:1.5em; border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"> Sauria <span style="position:absolute; bottom:-11px; right:-8px; z-index:5;"><span class="mw-default-size" typeof="mw:File"></span></span>
</td>
<td rowspan="2">
<table class="clade" cellpadding="0" style="border-spacing:0;">
<tbody><tr>
<td style="width:1.5em; border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"> <a href="Archosauria" title="Archosauria">Archosauria</a> <span style="position:absolute; bottom:-11px; right:-8px; z-index:5;"><span class="mw-default-size" typeof="mw:File"></span></span>
</td>
<td rowspan="2">
<table class="clade" cellpadding="0" style="border-spacing:0;">
<tbody><tr>
<td style="width:1.5em; border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"><br>
</td>
<td rowspan="2">
<p><a href="Aves" class="mw-redirect" title="Aves">Aves</a> (les oiseaux)
</p>
</td></tr>
<tr>
<td style="border-left:1px solid var(--color-emphasized, black);"><br>
</td></tr>
<tr>
<td style="border-left:1px solid var(--color-emphasized, black); border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"><br>
</td>
<td rowspan="2">
<p><a href="Crocodilia" title="Crocodilia">Crocodilia</a>
</p>
</td></tr>
<tr>
<td><br>
</td></tr></tbody></table>
</td></tr>
<tr>
<td style="border-left:1px solid var(--color-emphasized, black);"><br>
</td></tr>
<tr>
<td style="border-left:1px solid var(--color-emphasized, black); border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"> <a href="Lepidosauria" title="Lepidosauria">Lepidosauria</a> <span style="position:absolute; bottom:-11px; right:-8px; z-index:5;"><span class="mw-default-size" typeof="mw:File"></span></span>
</td>
<td rowspan="2">
<table class="clade" cellpadding="0" style="border-spacing:0;">
<tbody><tr>
<td style="width:1.5em; border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"><br>
</td>
<td rowspan="2">
<p><a href="Rhynchocephalia" title="Rhynchocephalia">Rhynchocephalia</a>
</p>
</td></tr>
<tr>
<td style="border-left:1px solid var(--color-emphasized, black);"><br>
</td></tr>
<tr>
<td style="border-left:1px solid var(--color-emphasized, black); border-bottom:1px solid var(--color-emphasized, black); padding:0 0.2em; vertical-align:bottom; text-align:center; position:relative;"><br>
</td>
<td rowspan="2">
<p><a href="Squamata" title="Squamata">Squamata</a>
</p>
</td></tr>
<tr>
<td><br>
</td></tr></tbody></table>
</td></tr>
<tr>
<td><br>
</td></tr></tbody></table>
</td></tr>
<tr>
<td><br>
</td></tr></tbody></table>
<p>Note: Sauria est le <a href="Groupe-couronne" title="Groupe-couronne">groupe-couronne</a> des diapsides actuels.
</p>
<div class="mw-heading mw-heading2"><h2 id="Voir_aussi">Voir aussi</h2></div>
<div class="mw-heading mw-heading3"><h3 id="Articles_connexes">Articles connexes</h3></div>
<ul><li><a href="Anapsides" class="mw-redirect" title="Anapsides">Anapsides</a> (avec les tortues)</li>
<li><a href="Synapsides" class="mw-redirect" title="Synapsides">Synapsides</a> (avec les mammifères)</li></ul>
<div class="mw-heading mw-heading3"><h3 id="Liens_externes">Liens externes</h3></div>
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<ul><li><span class="ouvrage" id="Tolweb"><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> <i><span class="lang-en" lang="en"><a href="Tree_of_Life_Web_Project" title="Tree of Life Web Project">Tree of Life Web Project</a></span></i> : <a rel="nofollow" class="external text" href="http://tolweb.org/Diapsida"><i>Diapsida</i></a></span></li></ul>
<div class="mw-heading mw-heading2"><h2 id="Notes_et_références"><span id="Notes_et_r.C3.A9f.C3.A9rences"></span>Notes et références</h2></div>
<div class="references-small decimal" style=""><div class="mw-references-wrap"><ol class="references">
<li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a> </span><span class="reference-text"> <b>(en)</b> Michael de Braga, Olivier Rieppel - 1997 - <a rel="nofollow" class="external free" href="http://www.iucn-tftsg.org/wp-content/uploads/file/Articles/deBraga_and_Rieppel_1997.pdf">http://www.iucn-tftsg.org/wp-content/uploads/file/Articles/deBraga_and_Rieppel_1997.pdf</a> « <span class="lang-en" lang="en">Reptile phylogeny and the interrelationships of turtles</span> »</span>
</li>
<li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a> </span><span class="reference-text"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC24355/pdf/pq014226.pdf">Rafael Zardoya, Axel Meyer - 1998 - « <span class="lang-en" lang="en">Complete mitochondrial genome suggests diapsid affinities of turtles</span> »</a></span>
</li>
<li id="cite_note-benton2005-3"><span class="mw-cite-backlink"><a href="#cite_ref-benton2005_3-0">↑</a> </span><span class="reference-text"><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> <span class="ouvrage" id="Benton2005"><span class="ouvrage" id="Michael_J._Benton2005">Michael J. Benton, <cite class="italique">Vertebrate Palaeontology</cite>, Oxford, Blackwell Science Ltd., <time>2005</time>, <abbr class="abbr" title="troisième">3<sup>e</sup></abbr> <abbr class="abbr" title="édition">éd.</abbr> <small style="line-height:1em;">(<a href="International_Standard_Book_Number" title="International Standard Book Number">ISBN</a> <span class="nowrap">0632056371</span>)</small><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Vertebrate+Palaeontology&rft.place=Oxford&rft.pub=Blackwell+Science+Ltd.&rft.edition=3&rft.aulast=Benton&rft.aufirst=Michael+J.&rft.date=2005&rft.isbn=0632056371&rfr_id=info%3Asid%2Ffr.wikipedia.org%3ADiapsida"></span></span></span></span>
</li>
<li id="cite_note-Bickelmann09-4"><span class="mw-cite-backlink"><a href="#cite_ref-Bickelmann09_4-0">↑</a> </span><span class="reference-text"><span class="ouvrage" id="Bickelmann,_Johannes_Müller_and_Robert_R._Reisz2009"><span class="ouvrage" id="Constanze_Bickelmann,_Johannes_Müller_and_Robert_R._Reisz2009"><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> Constanze Bickelmann, Johannes Müller and Robert R. Reisz, « <cite style="font-style:normal" lang="en">The enigmatic diapsid <i>Acerosodontosaurus piveteaui</i> (Reptilia: Neodiapsida) from the Upper Permian of Madagascar and the paraphyly of <i>younginiform</i> reptiles</cite> », <i><span class="lang-en" lang="en">Canadian Journal of Earth Sciences</span></i>, <abbr class="abbr" title="volume">vol.</abbr> 49, <abbr class="abbr" title="numéro">n<sup>o</sup></abbr> 9, <time>2009</time>, <abbr class="abbr" title="pages">p.</abbr> <span class="nowrap">651–661</span> <small style="line-height:1em;">(<a href="Digital_Object_Identifier" title="Digital Object Identifier">DOI</a> <span class=" noarchive nowrap"><a rel="nofollow" class="external text" href="https://dx.doi.org/10.1139/E09-038">10.1139/E09-038</a></span>)</small><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=The+enigmatic+diapsid+%27%27Acerosodontosaurus+piveteaui%27%27+%28Reptilia%3A+Neodiapsida%29+from+the+Upper+Permian+of+Madagascar+and+the+paraphyly+of+%27%27younginiform%27%27+reptiles&rft.jtitle=Canadian+Journal+of+Earth+Sciences&rft.issue=9&rft.au=Constanze+Bickelmann%2C+Johannes+M%C3%BCller+and+Robert+R.+Reisz&rft.date=2009&rft.volume=49&rft.pages=651%E2%80%93661&rft_id=info%3Adoi%2F10.1139%2FE09-038&rfr_id=info%3Asid%2Ffr.wikipedia.org%3ADiapsida"></span></span></span></span>
</li>
<li id="cite_note-Orovenator-5"><span class="mw-cite-backlink"><a href="#cite_ref-Orovenator_5-0">↑</a> </span><span class="reference-text"><span class="ouvrage" id="Reisz,_Sean_P._Modesto_and_Diane_M._Scott2011"><span class="ouvrage" id="Robert_R._Reisz,_Sean_P._Modesto_and_Diane_M._Scott2011"><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> Robert R. Reisz, Sean P. Modesto and Diane M. Scott, « <cite style="font-style:normal" lang="en">A new Early Permian reptile and its significance in early diapsid evolution</cite> », <i><span class="lang-en" lang="en">Proceedings of the Royal Society B</span></i>, <abbr class="abbr" title="volume">vol.</abbr> 278, <abbr class="abbr" title="numéro">n<sup>o</sup></abbr> 1725, <time>2011</time>, <abbr class="abbr" title="pages">p.</abbr> <span class="nowrap">3731–7</span> <small style="line-height:1em;">(<a href="PubMed" title="PubMed">PMID</a> <span class=" noarchive nowrap"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pubmed/21525061">21525061</a></span>, <a href="PubMed_Central" title="PubMed Central">PMCID</a> <span class=" noarchive nowrap"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/3203498">3203498</a></span>, <a href="Digital_Object_Identifier" title="Digital Object Identifier">DOI</a> <span class=" noarchive nowrap"><a rel="nofollow" class="external text" href="https://dx.doi.org/10.1098/rspb.2011.0439">10.1098/rspb.2011.0439</a></span>, <a rel="nofollow" class="external text" href="http://rspb.royalsocietypublishing.org/content/early/2011/04/27/rspb.2011.0439.abstract">lire en ligne</a>)</small><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=A+new+Early+Permian+reptile+and+its+significance+in+early+diapsid+evolution&rft.jtitle=Proceedings+of+the+Royal+Society+B&rft.issue=1725&rft.aulast=Reisz%2C+Sean+P.+Modesto+and+Diane+M.+Scott&rft.aufirst=Robert+R.&rft.date=2011&rft.volume=278&rft.pages=3731%E2%80%937&rft_id=info%3Adoi%2F10.1098%2Frspb.2011.0439&rft_id=info%3Apmid%2F21525061&rft_id=http%3A%2F%2Frspb.royalsocietypublishing.org%2Fcontent%2Fearly%2F2011%2F04%2F27%2Frspb.2011.0439.abstract&rfr_id=info%3Asid%2Ffr.wikipedia.org%3ADiapsida"></span></span></span></span>
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