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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Ornithoscelida</span></h1>
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<div id="mw-content-text" class="mw-body-content mw-content-ltr" lang="de" dir="ltr"><div class="mw-content-ltr mw-parser-output" lang="de" dir="ltr"><p>Die <b>Ornithoscelida</b> (aus Griechisch <i>ornith-</i> = Vogel, <i>skelis</i> = Bein) sind nach einer neueren, 2017 von Matthew G. Baron, <a href="David_B._Norman" title="David B. Norman">David B. Norman</a> und <a href="Paul_M._Barrett" title="Paul M. Barrett">Paul M. Barrett</a> vorgeschlagenen <a href="Systematik_der_Dinosaurier" title="Systematik der Dinosaurier">Systematik der Dinosaurier</a><sup id="cite_ref-Padian2017_1-0" class="reference"><a href="#cite_note-Padian2017-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Baron2017_2-0" class="reference"><a href="#cite_note-Baron2017-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> eine der beiden Großgruppen der <a href="Dinosaurier" title="Dinosaurier">Dinosaurier</a>. Sie stehen neben den <a href="Sauropodomorpha" title="Sauropodomorpha">Sauropodomorpha</a> und umfassen die <a href="Ornithischia" class="mw-redirect" title="Ornithischia">Ornithischia</a> und die <a href="Theropoda" title="Theropoda">Theropoda</a>.
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<div class="mw-heading mw-heading2"><h2 id="Forschungsgeschichte">Forschungsgeschichte</h2></div>
<p>Die Name <i>Ornithoscelida</i> geht zurück auf <a href="Thomas_Henry_Huxley" title="Thomas Henry Huxley">Thomas Henry Huxley</a>, der ihn bereits 1880 eingeführt hatte.<sup id="cite_ref-Huxley1880_4-0" class="reference"><a href="#cite_note-Huxley1880-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup>
</p><p>Nach der 1887 durch <a href="Harry_Govier_Seeley" title="Harry Govier Seeley">Harry Govier Seeley</a><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> vom <a href="King%E2%80%99s_College_London" title="King’s College London">King’s College London</a> eingeführten und lange prägenden Systematik wurden Dinosaurier in die beiden <a href="Ordnung_(Biologie)" title="Ordnung (Biologie)">Ordnungen</a> beziehungsweise Entwicklungslinien <a href="Echsenbeckensaurier" title="Echsenbeckensaurier">Echsenbeckensaurier</a> (Saurischia) und <a href="Vogelbeckensaurier" title="Vogelbeckensaurier">Vogelbeckensaurier</a> (Ornithischia) unterteilt. In ihrer phylogenetischen Studie aus dem Jahr 2017, basierend auf der detaillierten Analyse von 74 Taxa und 457 Merkmalen, schlagen Baron, Norman und Barrett eine tiefgreifend veränderte Systematik vor:<sup id="cite_ref-Baron2017_2-1" class="reference"><a href="#cite_note-Baron2017-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> In der Klade Ornithoscelida werden die Ornithischia und die Theropoden als Schwestergruppen vereint. Die Klade Saurischia wird neu definiert und umfasst die beiden Schwestergruppen <a href="Sauropodomorpha" title="Sauropodomorpha">Sauropodomorpha</a> und <a href="Herrerasauridae" title="Herrerasauridae">Herrerasauridae</a>.
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<div class="mw-heading mw-heading2"><h2 id="Systematik">Systematik</h2></div>
<p>Kladogramm nach Baron, Norman und Barrett:<sup id="cite_ref-Baron2017_2-2" class="reference"><a href="#cite_note-Baron2017-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>
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<td style="min-width:1em; border-bottom:2px solid; vertical-align:bottom; text-align:center;"> Dinosauria
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<td style="min-width:1em; border-bottom:2px solid; vertical-align:bottom; text-align:center;"> Saurischia
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<p> Herrerasauridae
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<p> Sauropodomorpha
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<td style="border-left:2px solid; border-bottom:2px solid; vertical-align:bottom; text-align:center;"> Ornithoscelida
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<p> Ornithischia
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<p> Theropoda
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<div class="mw-heading mw-heading2"><h2 id="Einzelnachweise">Einzelnachweise</h2></div>
<ol class="references">
<li id="cite_note-Padian2017-1"><span class="mw-cite-backlink"><a href="#cite_ref-Padian2017_1-0">↑</a></span> <span class="reference-text">K Padian: <cite style="font-style:italic">Palaeontology: Dividing the dinosaurs</cite>. In: <cite style="font-style:italic">Nature</cite>. 543. Jahrgang, 2017, <span style="white-space:nowrap">S.<span style="display:inline-block;width:.2em"> </span>494–495</span>, <a class="external mw-magiclink-pmid" rel="nofollow" href="https://www.ncbi.nlm.nih.gov/pubmed/28332523?dopt=Abstract">PMID 28332523</a> (<a rel="nofollow" class="external text" href="https://www.nature.com/nature/journal/v543/n7646/full/543494a.html">nature.com</a>).<span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rfr_id=info:sid/de.wikipedia.org:Ornithoscelida&rft.atitle=Palaeontology%3A+Dividing+the+dinosaurs&rft.au=K%26%2332%3BPadian&rft.btitle=Nature&rft.date=2017&rft.genre=book&rft.pages=494-495&rft.pmid=28332523&rft.volume=543.+Jahrgang" style="display:none"> </span></span>
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<li id="cite_note-Baron2017-2"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-Baron2017_2-0">a</a></sup> <sup><a href="#cite_ref-Baron2017_2-1">b</a></sup> <sup><a href="#cite_ref-Baron2017_2-2">c</a></sup></span> <span class="reference-text">MG Baron, Norman DB, Barrett PM: <cite style="font-style:italic">A new hypothesis of dinosaur relationships and early dinosaur evolution</cite>. In: <cite style="font-style:italic">Nature</cite>. 543. Jahrgang, 2017, <span style="white-space:nowrap">S.<span style="display:inline-block;width:.2em"> </span>501–506</span>, <a class="external mw-magiclink-pmid" rel="nofollow" href="https://www.ncbi.nlm.nih.gov/pubmed/28332513?dopt=Abstract">PMID 28332513</a>.<span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rfr_id=info:sid/de.wikipedia.org:Ornithoscelida&rft.atitle=A+new+hypothesis+of+dinosaur+relationships+and+early+dinosaur+evolution&rft.au=MG%26%2332%3BBaron%2C%26%2332%3BNorman+DB%2C+Barrett+PM&rft.btitle=Nature&rft.date=2017&rft.genre=book&rft.pages=501-506&rft.pmid=28332513&rft.volume=543.+Jahrgang" style="display:none"> </span></span>
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<li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text"><span class="cite">Frank Patalong: <a rel="nofollow" class="external text" href="https://www.spiegel.de/wissenschaft/natur/dinosaurier-stammbaum-reformiert-neue-ahnentafel-fuer-echsen-a-1139643.html"><i>Neuordnung. Studie stellt Dinosaurier-Stammbaum in Frage.</i></a> Der Spiegel, 23. März 2017,<span class="Abrufdatum"> abgerufen am 7. April 2024</span>.</span><span style="display: none;" class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2Fde.wikipedia.org%3AOrnithoscelida&rft.title=Neuordnung.+Studie+stellt+Dinosaurier-Stammbaum+in+Frage&rft.description=Neuordnung.+Studie+stellt+Dinosaurier-Stammbaum+in+Frage&rft.identifier=https%3A%2F%2Fwww.spiegel.de%2Fwissenschaft%2Fnatur%2Fdinosaurier-stammbaum-reformiert-neue-ahnentafel-fuer-echsen-a-1139643.html&rft.creator=Frank+Patalong&rft.publisher=Der+Spiegel&rft.date=2017-03-23"> </span></span>
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<li id="cite_note-Huxley1880-4"><span class="mw-cite-backlink"><a href="#cite_ref-Huxley1880_4-0">↑</a></span> <span class="reference-text">TH Huxley: <cite style="font-style:italic">On the classification of the Dinosauria with observations on the Dinosauria of the Trias</cite>. In: <cite style="font-style:italic">Q J Geol Soc</cite>. 26. Jahrgang, 1880, <span style="white-space:nowrap">S.<span style="display:inline-block;width:.2em"> </span>32–51</span>.<span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rfr_id=info:sid/de.wikipedia.org:Ornithoscelida&rft.atitle=On+the+classification+of+the+Dinosauria+with+observations+on+the+Dinosauria+of+the+Trias&rft.au=TH%26%2332%3BHuxley&rft.btitle=Q+J+Geol+Soc&rft.date=1880&rft.genre=book&rft.pages=32-51&rft.volume=26.+Jahrgang" style="display:none"> </span></span>
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<li id="cite_note-5"><span class="mw-cite-backlink"><a href="#cite_ref-5">↑</a></span> <span class="reference-text"><a href="Harry_Govier_Seeley" title="Harry Govier Seeley">Harry G. Seeley</a>: <i>The classification of the Dinosauria.</i> In: <i>Report of the Fifty-Seventh Meeting of the British Association for the Advancement of Science held at Manchester in August and September 1887.</i> <span class="-print"><a href="Internationale_Standardnummer_f%C3%BCr_fortlaufende_Sammelwerke" title="Internationale Standardnummer für fortlaufende Sammelwerke">ISSN</a> <span style="white-space:nowrap"><a rel="nofollow" class="external text" href="https://zdb-katalog.de/list.xhtml?t=iss%3D%220262-690X%22&key=cql">0262-690X</a></span></span>, S. 698–699, <a rel="nofollow" class="external text" href="http://gallica.bnf.fr/ark:/12148/bpt6k781714/f818.image">Digitalisat</a>.</span>
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