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Extended Data Fig. 5 in Late Cretaceous neornithine from Europe illuminates the origins of crown birds

Extended Data Fig. 5 | Detailed comparisons of galloanseran retroarticular morphology. Retroarticular regions of left mandibles in lateral (left),medial (middle) and dorsal (right) views.Both the left and right mandibles of Asteriornis are shown in dorsal view,as the retroarticular process is only preserved on the left mandible and the medial process is only preserved on the right mandible.Images of Anatalavis are mirrored. Scale bars,1 cm.

Figure 15 in Late Cretaceous dinosaurs from the Denver Basin, Colorado

Figure 15. Right femur of subadult hadrosaurid (UCM 43654) in anterior (A) and medial (B) views from Laramie Formation. Scale bar = 10 cm.

Figure 14 in Late Cretaceous dinosaurs from the Denver Basin, Colorado

Figure 14. Astragalus of the Littleton specimen of Tyrannosaurus rex (DMNH 2827) in anterior (A); medial (B); ventral (C); posterior (D); and lateral (E) views. Scale bar = 10 cm.

Figure 12 in Late Cretaceous dinosaurs from the Denver Basin, Colorado

Figure 12. Cast of ceratopsian pes track Ceratopsipes goldenensis (CU- MWC 220.6) from Laramie Formation. Track measures 38 cm long, 55 cm wide.

Figure 13 in Late Cretaceous dinosaurs from the Denver Basin, Colorado

Figure 13, below. Postcrania of Littleton specimen of Tyrannosaurus rex (DMNH 2827). A, scapulo-coracoid; B, left ilium in medial view; C, left ilium in lateral view; D, left femur in anterior view; E, left femur in lateral view; F, astragalus and distal end of tibia; G, left fibula in lateral view; and H, left fibula in medial view. Scale bars = 10 cm.

Figure 19 in Late Cretaceous dinosaurs from the Denver Basin, Colorado

Figure 19. Oblique, schematic restoration of western part of Denver Basin during late Maastrichtian. Laramie Formation is inferred to be a distal lowland (coastal, delta plain, swamp); Denver Formation as distal upland/proximal lowland; and Arapahoe Formation as proximal upland relative to mountain front. Distribution of dinosaurs as controlled by environment is inferred based on locations in formations.

Figure 18 in Late Cretaceous dinosaurs from the Denver Basin, Colorado

Figure 18. Basicranium of Edmontonia sp. (UCM 7572) in left lateral (A) and ventral (B)views, from Laramie Formation.

Figure 8 in Late Cretaceous dinosaurs from the Denver Basin, Colorado

Figure 8. Ceratopsian pelvic bones (UCM 68914) from Denver Formation. Right ilium lacking most of preacetabular blade in dorsal (A), lateral (B), medial (C), and ventral (D) views. Left pubis in lateral (E) and medial (F) views. Right ischium in medial (G) and lateral (IT) views. Scale bar = 10 cm.

Figure 10 in Late Cretaceous dinosaurs from the Denver Basin, Colorado

Figure 10. Fossils of Triceratops horridus from Laramie Formation after preparation (uncataloged; Weld County Court House). Skull in right lateral view (A), mid-caudal vertebrae in left lateral view (B), left pubis (C), and right partial ischium (D). Scale bars = 10 cm.

Figure 6 in Late Cretaceous dinosaurs from the Denver Basin, Colorado

Figure 6. Left distal end of tibia and foot of holotype of Ornithomimus velox (YPM 542) from Denver Formation; anterior (A), posterior (B); tibia in lateral view (C). Scale in cm.

Figure 16 in Late Cretaceous dinosaurs from the Denver Basin, Colorado

Figure 16. Fragment of Pachycephalosaurus (DMNH 32649) dome in dorsal (A) and lateral (B) views from Denver Formation. Scale bar = 5 cm.

Figure 4 in Late Cretaceous dinosaurs from the Denver Basin, Colorado

Figure 4. The first known specimen of what can now be identified as Tyrannosaurus rex is a tooth collected from Denver Formation at South Table Mountain. It was first mentioned and sketched in a letter from Edward Berthoud to O. C. Marsh dated June 20, 1874. Specimen is now at Yale Peabody Museum (YPM 4192).

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.