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FIG. 4 in Redescription de Streptospondylus altdorfensis, le dinosaure théropode de Cuvier, du Jurassique de Normandie

FIG. 4. — Streptospondylus altdorfensis Meyer, 1932; extrémité distale du pubis gauche, vue latérale (MNHN 8605). Échelle: 3 cm.

FIG. 3 in Redescription de Streptospondylus altdorfensis, le dinosaure théropode de Cuvier, du Jurassique de Normandie

FIG. 3. — Streptospondylus altdorfensis Meyer, 1932; A, vertèbres dorsales et sacrées (MNHN 8794), vue latérale droite; B, dernière vertèbre sacrée et première vertèbre caudale (MNHN 8788), vue latérale droite. Abréviations: C, côte; CA1, première vertèbre caudale; E.N., épine neurale; DP, diapophyse; IDP, fosse infradiapophysiale; IPO, fosse infrapostzygapophysiale; IPR, fosse infraprézygapophysiale; PP, parapophyses; PO, postzygapophyse; PR, prézygapophyse; S1, première vertèbre sacrée; S2, deuxième vertèbre sacrée; S.NC., suture neurocentrale. Échelle: 9 cm.

FIG. 7 in Redescription de Streptospondylus altdorfensis, le dinosaure théropode de Cuvier, du Jurassique de Normandie

FIG. 7. — Streptospondylus altdorfensis Meyer, 1932; extrémité distale d'un fémur gauche (MNHN 9645); A, vue postérieure; B, vue distale. Abréviations: C.L., condyle latéral; C.M., condyle médial; CR.TF., crista tibiofibularis; S.EX., sillon extenseur; S.FL., sillon fléchisseur. Échelle: 5 cm.

FIG. 2 in Redescription de Streptospondylus altdorfensis, le dinosaure théropode de Cuvier, du Jurassique de Normandie

FIG. 2. — Streptospondylus altdorfensis Meyer, 1932; A, vertèbres dorsales (MNHN 8907), vue latérale droite; B, vertèbre dorsale (MNHN 8789), vue latérale droite. Abréviations: C.D., côte dorsale; S.NC., suture neurocentrale. Échelle: 9 cm.

FIG. 5 in Redescription de Streptospondylus altdorfensis, le dinosaure théropode de Cuvier, du Jurassique de Normandie

FIG. 5. — Streptospondylus altdorfensis Meyer, 1932; extrémité distale du tibia droit et astragale droit (MNHN 8607, 8608); A, vue postérieure; B, vue antérieure. Abréviations: BO.M., bourrelet médian; C.L., condyle latéral; C.M., condyle médial; Co.Ca., aire de contact avec le calcanéum; Co.F., aire de contact avec la fibula; De, dépression basale; Fo, foramen; PR.A., processus ascendant de l'astragale; Si, sillon antérieur. Échelle: 5 cm.

Fig. 26 in The Braincase Anatomy Of The Late Cretaceous Dinosaur Alioramus (Theropoda: Tyrannosauroidea)

Fig. 26. The ventral portion of the left rostral tympanic recess in Alioramus altai (IGM 100/1844). This region is characterized by three large fenestrae: fenestra A (fA) opens into a pneumatic cavity that invests the basipterygoid process and is generally associated with the basisphenoid recess; fenestra B (fB) and fenestra C (fC) open directly into the rostral tympanic cavity. See appendix 1 for other anatomical abbreviations.

Fig. 25 in The Braincase Anatomy Of The Late Cretaceous Dinosaur Alioramus (Theropoda: Tyrannosauroidea)

Fig. 25. Stereopairs of the articulated braincase of Alioramus altai (IGM 100/1) showing the pneumatic sinuses of the neurocranium in dorsal (A), right lateral (B), and ventral views (C). The braincase itself is rendered transparent to reveal the enclosed sinus cavities, as well as the endocranial (ec) and inner ear cavities, that were digitally segmented and reconstructed. See appendix 1 for other anatomical abbreviations. Modified from Bever et al. (2011: fig. 2).

Fig. 22 in The Braincase Anatomy Of The Late Cretaceous Dinosaur Alioramus (Theropoda: Tyrannosauroidea)

Fig. 22. Horizontal slices through the braincase of Alioramus altai (IGM 100/1844). The slices expose the ventral portion of the endocranial cavity (ec) and inner ear. See appendix 1 for other anatomical abbreviations.

Fig. 20 in The Braincase Anatomy Of The Late Cretaceous Dinosaur Alioramus (Theropoda: Tyrannosauroidea)

Fig. 20. Lateral surface of the left prootic (pr) and articulated surrounding structures of Alioramus altai (IGM 100/1844). See appendix 1 for other anatomical abbreviations.

Fig. 30 in The Braincase Anatomy Of The Late Cretaceous Dinosaur Alioramus (Theropoda: Tyrannosauroidea)

Fig. 30. Horizontal slice through the basicranium of Alioramus altai (IGM 100/1844). Note the medial confluence of the subcondylar recess (scr) and its invasion of the occipital condyle (occ). See appendix 1 for other anatomical abbreviations.

Fig. 18 in The Braincase Anatomy Of The Late Cretaceous Dinosaur Alioramus (Theropoda: Tyrannosauroidea)

Fig. 18. CT slice along what is approximately the sagittal midline of the braincase of Alioramus altai (IGM 100/1844). The slice does not transect the cultriform process because distortion has shifted the process toward the left side of the specimen. See appendix 1 for anatomical abbreviations.

Fig. 16 in The Braincase Anatomy Of The Late Cretaceous Dinosaur Alioramus (Theropoda: Tyrannosauroidea)

Fig. 16. Coronal (A) and horizontal (B) slices through the respective caudal and ventral margins of the endocranial cavity in Alioramus altai (IGM 100/1844). See appendix 1 for anatomical abbreviations.

Fig. 21 in The Braincase Anatomy Of The Late Cretaceous Dinosaur Alioramus (Theropoda: Tyrannosauroidea)

Fig. 21. Horizontal slice through the middle ear of Alioramus altai (IGM 100/1844). The associated line drawing highlights the broken stapes (st) whose proximal end (including the preserved footplate) has been pushed through the fenestra vestibule (fv) and is now lying within the vestibule of the inner ear (ve). See appendix 1 for other anatomical abbreviations.

Fig. 15 in The Braincase Anatomy Of The Late Cretaceous Dinosaur Alioramus (Theropoda: Tyrannosauroidea)

Fig. 15. Caudal view of the braincase of Alioramus altai (IGM 100/1844) ventral to the foramen magnum. The paracondylar fossae are deep and house the external openings of the subcondylar recess, hypoglossal canal, and vagal canal. See appendix 1 for anatomical abbreviations.

Fig. 14 in The Braincase Anatomy Of The Late Cretaceous Dinosaur Alioramus (Theropoda: Tyrannosauroidea)

Fig. 14. Coronal slice through the occipital condyle and proximal ends of the paroccipital processes of Alioramus altai (IGM 100/1844). Note the highly complex pneumatic cavity within the paroccipital processes and how these processes taper to form a ventral flange.

Fig. 12 in The Braincase Anatomy Of The Late Cretaceous Dinosaur Alioramus (Theropoda: Tyrannosauroidea)

Fig. 12. Coronal slices through the braincase of Alioramus altai (IGM 100/1844). The slices transect the nuchal crest and inner ear region. See appendix 1 for anatomical abbreviations.

Fig. 9 in The Braincase Anatomy Of The Late Cretaceous Dinosaur Alioramus (Theropoda: Tyrannosauroidea)

Fig. 9. Ventral view of the olfactory region of the nasal cavity in Alioramus altai (IGM 100/1844). The circular ethmoid scar marks the articulation of the unpreserved ethmoid complex. It also delineates the lateral extent of the olfactory (I) bulbs. See appendix 1 for anatomical abbreviations.

Fig. 33 in The Braincase Anatomy Of The Late Cretaceous Dinosaur Alioramus (Theropoda: Tyrannosauroidea)

Fig. 33. Photograph (A) and line drawing (B) of the occlusal surface of the braincase of Guanlong wucaii (IVPP V14531). The line drawing was made with the rostrum angled downward relative to the photograph in order to more clearly show the basal tubera. Numbers refer to the character and character states listed in the Discussion. See appendix 1 for anatomical abbreviations.

Fig. 10 in The Braincase Anatomy Of The Late Cretaceous Dinosaur Alioramus (Theropoda: Tyrannosauroidea)

Fig. 10. Coronal slices through the braincase of Alioramus altai (IGM 100/1844). The slices expose the supratemporal fossa (A and B), caudal end of the cultriform process (A) and right basipterygoid process (B). See appendix 1 for anatomical abbreviations.

Fig. 8 in The Braincase Anatomy Of The Late Cretaceous Dinosaur Alioramus (Theropoda: Tyrannosauroidea)

Fig. 8. Coronal slices through the braincase of Alioramus altai (IGM 100/1844) showing the olfactory region of the nasal cavity (A) and the rostral portion of the endocranial cavity. See appendix 1 for anatomical abbreviations.