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133 results for “Tyrannosauridae”
Figure 2. A in Functional morphology of neck musculature in the Tyrannosauridae (Dinosauria, Theropoda) as determined via a hierarchical inferential approach
Figure 2. A, inference of muscle function for turning the head in extant animals. Axes represent levels of corroboration of muscle topological and kinematic morphology, physiology and observed behaviour. The volume subtended by these levels of certainty is the behavioural inference space for the muscle. The muscles m. transversospinalis capitis lateralis and m. complexus, homologous and present in crocodilians and birds, respectively, are depicted as examples with different levels of corroboration along the axes and more or less certain inference of function. Physiological activity is shown as confirmed by electromyography in birds, but only hypothesized in crocodilians. B, inferring the function of m. complexus for turning the head in tyrannosaurids. Axes represent levels of inference (Witmer, 1995) for morphology and physiology, and level of inference for kinematic action of the muscle based on its reconstructed morphology (see text for explanation). Because physiological muscle function during movements is corroborated in only one pole of the extant bracket, and the physiology does not leave osteological correlates, a Level II′ inference is the best possible for the extinct taxon.
Figure 1 in Functional morphology of neck musculature in the Tyrannosauridae (Dinosauria, Theropoda) as determined via a hierarchical inferential approach
Figure 1. Divisions of amniote neck and craniocervical musculature, superimposed on the cervical vertebrae of Caiman crocodylus. Different shades represent transversospinalis, longissimus, iliocostalis and longus/medial iliocostalis divisions.
Figure 16 in Diversity of late Maastrichtian Tyrannosauridae (Dinosauria: Theropoda) from western North America
Figure 16. Right otoccipital of LACM 23845 in lateral (A) and medial (B) views; quadrate process of the left pterygoid in lateral (C) and medial (D) views.
Figure 19 in Diversity of late Maastrichtian Tyrannosauridae (Dinosauria: Theropoda) from western North America
Figure 19. Diagram of the results of a quantitative reconstruction of a growth series of five Tyrannosaurus rex specimens.
Figure 15 in Diversity of late Maastrichtian Tyrannosauridae (Dinosauria: Theropoda) from western North America
Figure 15. Dorsal skull roof of LACM 23845. Left frontal in lateral (A), medial (B), dorsal (C), and ventral (E) views; right frontal in dorsal (D) view; parietals in rostral (F), left lateral (G), dorsal (H), and ventral (I) views; nuchal crest in right lateral (J), left lateral (K), caudal (L), and rostrodorsal (M) views.
Figure 11 in Diversity of late Maastrichtian Tyrannosauridae (Dinosauria: Theropoda) from western North America
Figure 11. Facial bones of LACM 23845. Left maxilla in lateral view (A); right lacrimal in dorsal (B), lateral (C), and ventral (D) views; left quadratojugal in lateral (E) and medial (F) views; squamosal process of right quadratojugal in lateral (G) and medial (H) views, and the jugal process of the right quadratojugal in lateral (I) and medial (J) views.
Figure 9 in Diversity of late Maastrichtian Tyrannosauridae (Dinosauria: Theropoda) from western North America
Figure 9. Nasals of LACM 23845 in right lateral (A), dorsal (B), left lateral (C), and ventral (D) views.
Figure 10 in Diversity of late Maastrichtian Tyrannosauridae (Dinosauria: Theropoda) from western North America
Figure 10. Comparison of the lacrimonasal articulation of LACM 23845 with other tyrannosaurids in left lateral view. AMNH 5027 modified after Osborn (1912), PIN 551–1 after Maleev (1974), and CMN 8506 after Russell (1970).
Figure 12 in Diversity of late Maastrichtian Tyrannosauridae (Dinosauria: Theropoda) from western North America
Figure 12. Comparison of the quadratojugal of LACM 23845 with other tyrannosaurids in left lateral view. AMNH 5027 modified after Osborn (1912) and PIN 551–2 after Maleev (1974).
Figure 8 in Diversity of late Maastrichtian Tyrannosauridae (Dinosauria: Theropoda) from western North America
Figure 8. Comparison of the dorsal skull roof of LACM 28345 with other tyrannosaurids. AMNH 5027 modified after Osborn (1912) and CMN 8506 modified after Russell (1970).
Figure 6 in Diversity of late Maastrichtian Tyrannosauridae (Dinosauria: Theropoda) from western North America
Figure 6. Comparison of the snouts of tyrannosaurids in left lateral view showing the contact of the antorbital fossa and nasal suture among tyrannosaurids. AMNH 5027 modified after Osborn (1912), CMN 8506 modified after Russell (1970).
Figure 5 in Diversity of late Maastrichtian Tyrannosauridae (Dinosauria: Theropoda) from western North America
Figure 5. Comparison of the right dentary (reversed) of LACM 28471 with those of other tyrannosaurid juveniles.
Figure 7 in Diversity of late Maastrichtian Tyrannosauridae (Dinosauria: Theropoda) from western North America
Figure 7. Comparison of tyrannosaurid snouts in dorsal view, showing the appressed state of the nasal processes of the premaxilla in Tyrannosaurus rex. AMNH 5027 modified after Osborn (1912), CMN 8506 modified after Russell (1970).
Figure 13 in Diversity of late Maastrichtian Tyrannosauridae (Dinosauria: Theropoda) from western North America
Figure 13. Comparison of the surangular of LACM 23845 with other tyrannosaurids in left lateral view. AMNH 5027 modified after Osborn (1912) and CMN 8506 after Russell (1970).
Figure 3 in Diversity of late Maastrichtian Tyrannosauridae (Dinosauria: Theropoda) from western North America
Figure 3. Mandibular bones of LACM 28471. Right surangular in lateral (A), dorsal (B), and ventral (C) views; left (D) and right (E) dentaries in lateral view with diagrammatic cross sections of teeth. Cross sections are not to scale.
Figure 1 in Diversity of late Maastrichtian Tyrannosauridae (Dinosauria: Theropoda) from western North America
Figure 1. Facial bones of LACM 28471. Snout in dorsal view (A); frontal process of nasals in dorsal (B) and ventral (C) views; snout in left lateral (D) and right lateral (E) views, and the nasal process of the right maxilla in lateral (F) and medial (G) views.
Figure 2 in Diversity of late Maastrichtian Tyrannosauridae (Dinosauria: Theropoda) from western North America
Figure 2. Dorsal skull roof of LACM 28471. Left frontal (A) and right frontal (B) in dorsal view; joint surface of the parietal in caudal view (C); joint surface of the postorbital in lateral view (D) and cross section of this contact (E); left frontal in ventral (F) and lateral (G) views and cross section through the orbit (H); parietals in left lateral (I), rostral (J), right lateral (K), dorsal (L), and ventral (M) views; nuchal crest fragment in rostral (N), dorsal (O), and caudal (P) views.
Figure 4 in Diversity of late Maastrichtian Tyrannosauridae (Dinosauria: Theropoda) from western North America
Figure 4. Diagrammatic sketches of cross sections of the dentition of LACM 28471 in comparison with that of another juvenile Tyrannosaurus rex (CMNH 7541). Numbers indicate alveolus position from mesial to distal.
Fig. 2 in A Reassessment Of The Taxonomic Validity Of Dynamoterror Dynastes (Theropoda, Tyrannosauridae)
Fig. 2. Frontal bones of tyrannosaurid theropods in right lateral view, scaled to same total length. A, the right frontal of Dynamoterror dynastes UMNH VP 28348 in lateral view. B, the right frontal of Teratophoneus curriei BYU 8120/9396 in lateral view. C, the braincase of Teratophoneus curriei UMNH VP 16690 (reversed) in lateral view. B and C are courtesy of Rod Scheetz and Mark Loewen. Abbreviations: cpos, caudal part of postorbital suture; dpos, depression between rostral and caudal parts of postorbital suture; gpos, groove between rostral and caudal parts of postorbital suture; rpos, rostral part of postorbital suture.
Fig. 1 in A Reassessment Of The Taxonomic Validity Of Dynamoterror Dynastes (Theropoda, Tyrannosauridae)
Fig. 1. Frontal bones of tyrannosaurid theropods in dorsal view, scaled to same total length. A, the right frontal of Dynamoterror dynastes UMNH VP 28348 in dorsal view. B, the right frontal of Daspletosaurus torosus SDNHM 32701 in dorsal view. Abbreviations: nt, notch between prefrontolacrimal and prefrontonasal processes; plp, prefrontolacrimal process; pnp, prefrontonasal process.
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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