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Voir la fiche1st row (early saurischians): Herrerasaurus ischigualastensis (herrerasaur), Eodromaeus murphi (basal theropod); 2nd row (theropods): Pelecanus occidentalis, Tyrannosaurus rex; 3rd row (sauropodomorphs): Apatosaurus louisae, Plateosaurus trossingensis.
1st row (early saurischians): Herrerasaurus ischigualastensis (herrerasaur), Eodromaeus murphi (basal theropod); 2nd row (theropods): Pelecanus occidentalis, Tyrannosaurus rex; 3rd row (sauropodomorphs): Apatosaurus louisae, Plateosaurus trossingensis.
1st row (early saurischians): Herrerasaurus ischigualastensis (herrerasaur), Eodromaeus murphi (basal theropod); 2nd row (theropods): Pelecanus occidentalis, Tyrannosaurus rex; 3rd row (sauropodomorphs): Apatosaurus louisae, Plateosaurus trossingensis.
Pectoral girdles and forelimbs of dinosaurs in left lateral view, depicting resting scapular and forelimb orientations in different dinosaurian groups as recommended according to the results of this study. In each case, solid horizontal line is parallel to long axis of sacrum. A. theropods without semilunate carpals (Dilophosaurus wetherilli, UCMP 37302). B. theropods with semilunate carpals other than Caudipteryx (Velociraptor mongoliensis, after reference [60]). C. Caudipteryx (C. sp., after reference [8]). D. ceratopsids (Styracosaurus albertensis, NMC 344). E. basal sauropodomorphs (Plateosaurus engelhardti, AMNH 6810). F. non-hadrosaurian ornithopods (Thescelosaurus neglectus, reference [62]). G. hadrosaurids (Parasaurolophus walkeri, after reference [48]). Angle labels: B = scapular orientation relative to long axis of sacrum. E = elbow angle. S = shoulder angle. W = wrist angle. See Materials and Methods section for descriptions of angles.
Plateosaurus engelhardti skeletons "Skelett 2" on exhibit at the museum of the Institute for Geosciences of the Eberhard-Karls-University Tübingen, Germany. "Skelett 2" is a composite from 2 individuals from Trossingen, Germany. Mounts created under the direction of Friedrich von Huene.
Apatosaurus louisae (CM 3018) mounted fossil skeleton on display at the Carnegie Museum of Natural History, Pittsburgh, PA
Apatosaurus louisae (CM 3018) mounted fossil skeleton on display at the Carnegie Museum of Natural History, Pittsburgh, PA
Apatosaurus louisae (CM 3018) mounted fossil skeleton on display at the Carnegie Museum of Natural History, Pittsburgh, PA
Apatosaurus louisae (CM 3018) mounted fossil skeleton on display at the Carnegie Museum of Natural History, Pittsburgh, PA
Apatosaurus louisae (CM 3018) mounted fossil skeleton on display at the Carnegie Museum of Natural History, Pittsburgh, PA
Apatosaurus louisae (CM 3018) mounted fossil skeleton on display at the Carnegie Museum of Natural History, Pittsburgh, PA
Apatosaurus louisae (CM 3018) mounted fossil skeleton on display at the Carnegie Museum of Natural History, Pittsburgh, PA
Apatosaurus louisae (CM 3018) mounted fossil skeleton on display at the Carnegie Museum of Natural History, Pittsburgh, PA
Apatosaurus louisae (CM 3018) mounted fossil skeleton on display at the Carnegie Museum of Natural History, Pittsburgh, PA
Apatosaurus louisae (CM 3018) mounted fossil skeleton on display at the Carnegie Museum of Natural History, Pittsburgh, PA