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Figure 1 in Late Cretaceous dinosaurs from the Denver Basin, Colorado
Figure 1. Upper Cretaceous dinosaur localities in Denver Basin (landform map modified from Raisz, 1957). See Appendix 1 for locality numbers and included taxa.
Figure 9 in Late Cretaceous dinosaurs from the Denver Basin, Colorado
Figure 9, below. First complete skull of Triceratops from Colorado (uncataloged). It was found with partial skeleton in Laramie Formation. See Figure 10 for prepared specimen.
Fig. 36 in Cranial anatomy of tyrannosaurid dinosaurs from the Late Cretaceous of Alberta, Canada
Fig. 36. Daspletosaurus sp. (TMP 94.143.1). Right surangular in lateral (A), medial (B), and posterior (C) views.
Fig. 33 in Cranial anatomy of tyrannosaurid dinosaurs from the Late Cretaceous of Alberta, Canada
Fig. 33. Daspletosaurus sp. (TMP 94.143.1). Right dentary in lateral (A) and medial (B) views. Numbers represent tooth positions.
Fig. 28 in Cranial anatomy of tyrannosaurid dinosaurs from the Late Cretaceous of Alberta, Canada
Fig. 28. Daspletosaurus sp. (TMP 94.143.1). Left quadrate in lateral (A), medial (B), ventral (C), and dorsal (D) views.
Fig. 25 in Cranial anatomy of tyrannosaurid dinosaurs from the Late Cretaceous of Alberta, Canada
Fig. 25. Daspletosaurus sp. (TMP 94.143.1). Left squamosal in dorsolateral (A), medial (B), dorsal (C), and ventral (D) views.
Fig. 26 in Cranial anatomy of tyrannosaurid dinosaurs from the Late Cretaceous of Alberta, Canada
Fig. 26. Daspletosaurus sp. (TMP 94.143.1). Braincase in right lateral (A), posterior (B), and ventral (C) views.
Fig. 23 in Cranial anatomy of tyrannosaurid dinosaurs from the Late Cretaceous of Alberta, Canada
Fig. 23. Daspletosaurus sp. (TMP 94.143.1). Left jugal in lateral (A), medial (B), and ventral (C) views.
Fig. 17 in Cranial anatomy of tyrannosaurid dinosaurs from the Late Cretaceous of Alberta, Canada
Fig. 17. Graph comparing the logarithms of the length of the dentary tooth row (X−axis) versus the minimum height of the dentary, which is close to the middle of the tooth row (Y−axis). Minimum height was used rather than maximum height because it is less susceptible to distortion during the fossilization process as this is normally the thickest part of the dentary. The Albertosaurus clade includes Albertosaurus and Gorgosaurus, whereas the Tyrannosaurus clade includes Daspletosaurus, Shanshanosaurus, Tarbosaurus, and Tyrannosaurus. The trendlines for both clades virtually coincide, showing that increased jaw depth is not characteristic of just Tyrannosaurus.
Fig. 8 in Cranial anatomy of tyrannosaurid dinosaurs from the Late Cretaceous of Alberta, Canada
Fig. 8. Albertosaurus sarcophagus (TMP 81.10.1). Left postorbital in lateral (A) and medial (B) views.
Fig. 5 in Cranial anatomy of tyrannosaurid dinosaurs from the Late Cretaceous of Alberta, Canada
Fig. 5. Comparison of maxillary tooth counts to size in tyrannosaurids. The X−axis is the length of the maxillary tooth row, and the Y−axis represents the number of maxillary teeth. Gorgosaurus (triangles) and Tarbosaurus (solid squares) show a slight tendency to increase the number of teeth with size, whereas Tyrannosaurus (diamonds) shows a slight tendency to decrease the number. Known specimens of Daspletosaurus show an even stronger tendency to increase maxillary tooth counts with increased size, but the genus is not included here because it is highly probable that the sample includes more than one species. None of these figures are significant enough to attribute any real meaning to them, but they falsify the hypothesis that there is a tendency for tooth reduction in tyrannosaurids (Carr 1999). Nanotyrannus (X) is well outside the range for known specimens of Tyrannosaurus.
Fig. 1 in Cranial anatomy of tyrannosaurid dinosaurs from the Late Cretaceous of Alberta, Canada
Fig. 1. Reconstruction of an immature Gorgosaurus libratus, based TMP 91.36.500, a complete skeleton (5.1 m long) from the Dinosaur Park Formation (Campanian, Upper Cretaceous) of Alberta, Canada.
Fig. 10 in Cranial anatomy of tyrannosaurid dinosaurs from the Late Cretaceous of Alberta, Canada
Fig. 10. Albertosaurus sarcophagus (TMP 81.10.1). Left quadrate in lateral (A) and medial (B) views.
Fig. 3 in Cranial anatomy of tyrannosaurid dinosaurs from the Late Cretaceous of Alberta, Canada
Fig. 3. Tyrannosaurid maxillae demonstrating the positions and sizes of the maxillary fenestrae. Contours show right maxillae in lateral view. Lengths of maxillary tooth rows included in brackets where known. A. Gorgosaurus libratus, juvenile (302 mm), TMP 91.36.500. B. Gorgosaurus libratus, adult (460mm), NMC 2120. C. Albertosaurus, juvenile (335 mm), TMP 86.64.1. D. Mature (530mm) Daspletosaurus torosus, NMC 8506. E. Juvenile (180 mm), probably Tarbosaurus bataar, IVPP V4878. F. Young Tarbosaurus bataar, GIN 100/777. G. Adult Tarbosaurus bataar, GIN 100/65. H. Adult (600 mm) Tyrannosaurus rex, LACM 23844.
Fig. 16 in Cranial anatomy of tyrannosaurid dinosaurs from the Late Cretaceous of Alberta, Canada
Fig. 16. Albertosaurus sarcophagus (TMP 81.10.1). Left prearticular in lateral (A) and medial (B) views.
Fig. 6 in Cranial anatomy of tyrannosaurid dinosaurs from the Late Cretaceous of Alberta, Canada
Fig. 6. Albertosaurus sarcophagus (TMP 81.10.1). Left maxilla and jugal in lateral (A) and medial (B) views.
Fig. 2 in Cranial anatomy of tyrannosaurid dinosaurs from the Late Cretaceous of Alberta, Canada
Fig. 2. Gorgosaurus libratus (TMP 91.36.500). Specimen drawing of skull in lateral (A), palatal (B), and dorsal (C) views.
Fig. 20 in Cranial anatomy of tyrannosaurid dinosaurs from the Late Cretaceous of Alberta, Canada
Fig. 20. Daspletosaurus sp. (TMP 94.143.1). Frontals in dorsal (A), medial (B, left frontal only), and ventral (B) views.
Fig. 14. A in Fused and vaulted nasals of tyrannosaurid dinosaurs: Implications for cranial strength and feeding mechanics
Fig. 14. A. Functional integration of strengths of the tyrannosaurid head skeleton when subjected to feeding forces. Dark arrows represent direct influences of forces on structures, and direct integration of structural strengths. Light arrows represent less direct influences of structures on one another. B. Correlated progression of tyrannosauroid feeding adaptations mapped onto a tyrannosauroid cladogram after Xu et al. (2004) and Holtz (2004). Arrow at left represents phyletic increases that likely occurred at all ingroup nodes except G. libratus + A. sarcophagus.
Fig. 3 in Fused and vaulted nasals of tyrannosaurid dinosaurs: Implications for cranial strength and feeding mechanics
Fig. 3. Comparisons of mediolateral (A, B) and anteroposterior (C, D) strengths of tyrannosaurid and non−tyrannosaurid theropod maxillary teeth, plotted against skull length. Regressions are by least squares, on log transformed data for the tyrannosaurids. Trend lines are allometric in the tyannosaurids but linear in non−tyrannosaurids. Tooth strengths of Tyrannosaurus rex are much higher than in any other examined taxon. Starting points of the small arrows indicate the position of the juvenile T. rex (TrJ). See Appendix 1 for other specimen labels.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.