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FIG. 20 in The Anatomy of Dryptosaurus aquilunguis (Dinosauria: Theropoda) and a Review of Its Tyrannosauroid Affinities

FIG. 20. Left astragalus of the holotype of Dryptosaurus aquilunguis (ANSP 9995) in anterior (A), posterior (B), medial (C), distal (D), and lateral (E) views. Abbreviations: ap, ascending process; calc, calcaneum articulation; ext, extensor groove; fib, fibula articulation; fos, fossa on anterior surface; lip, lip separating fibula and calcaeum articulations; lc, lateral condyle; mc, medial condyle. Scale bar = 50 mm.

FIG. 22. Metatarsal IV in The Anatomy of Dryptosaurus aquilunguis (Dinosauria: Theropoda) and a Review of Its Tyrannosauroid Affinities

FIG. 22. Metatarsal IV of the holotype of Dryptosaurus aquilunguis (AMNH 2438) in anterior (= extensor) (A), lateral (B), posterior (= flexor) (C), medial (D), proximal (E), and distal (F) views. Abbreviations: ac, anterior condyle; mlp, medial ligament pit; mt III, articular facet for metatarsal III; pc, posterior condyles. Scale bar = 50 mm.

FIG. 10 in The Anatomy of Dryptosaurus aquilunguis (Dinosauria: Theropoda) and a Review of Its Tyrannosauroid Affinities

FIG. 10. Posterior distal caudal vertebrae of the holotype of Dryptosaurus aquilunguis (ANSP 9995) in anterior (A, G), left lateral (B, H), posterior (C), right lateral (D), dorsal (E), and ventral (F) views. Scale bar = 50 mm.

FIG. 11 in The Anatomy of Dryptosaurus aquilunguis (Dinosauria: Theropoda) and a Review of Its Tyrannosauroid Affinities

FIG. 11. Left (A–E) and right (F–I) humeri of the holotype of Dryptosaurus aquilunguis (ANSP 9995) in anterior (A, F), lateral (B, G), posterior (C, H), medial (D, I), and proximal (E) views. Abbreviations: dpc, deltopectoral crest; epi, lateral epicondyle; scar, muscle attachment scar. Scale bar = 100 mm.

FIG. 9 in The Anatomy of Dryptosaurus aquilunguis (Dinosauria: Theropoda) and a Review of Its Tyrannosauroid Affinities

FIG. 9. Anterior-middle distal caudal vertebrae of the holotype of Dryptosaurus aquilunguis (ANSP 9995) in anterior (A, F, K, S), left lateral (B, G, L, P, T), posterior (C, H, M, Q, U), ventral (D, I, N, R, V), and dorsal (E, J, O, W) views. Abbreviations: gr, groove; r, ridge. Scale bar = 50 mm.

FIG. 1 in The Anatomy of Dryptosaurus aquilunguis (Dinosauria: Theropoda) and a Review of Its Tyrannosauroid Affinities

FIG. 1. The painting "Fighting Laelaps" by Charles R. Knight (1896), depicting one Dryptosaurus individual leaping onto another (A). A plaster model of Dryptosaurus that Knight used as a reference while painting his watercolor (B). Both the painting and the model are cataloged in the Division of Paleontology, American Museum of Natural History.

FIG. 19 in The Anatomy of Dryptosaurus aquilunguis (Dinosauria: Theropoda) and a Review of Its Tyrannosauroid Affinities

FIG. 19. Left fibula of the holotype of Dryptosaurus aquilunguis (ANSP 9995) in anterior (A), posterior (B), lateral (C), medial (D), and proximal (E) views. Abbreviations: autr, autapomorphic ridge; fos, medial fossa; ift, iliofibularis tubercle. Scale bar = 50 mm.

FIG. 12 in The Anatomy of Dryptosaurus aquilunguis (Dinosauria: Theropoda) and a Review of Its Tyrannosauroid Affinities

FIG. 12. Left manual elements of the holotype of Dryptosaurus aquilunguis (ANSP 9995). Phalanges I-1 (A–D) and II-2 (E–J), and an ungual phalanx (K–N) in anterior (A, E), lateral (B, F, K), ventral (C, G, M), medial (D, H, L), distal (I), and proximal (J, N) views. Scale bar = 50 mm.

FIG. 5 in The Anatomy of Dryptosaurus aquilunguis (Dinosauria: Theropoda) and a Review of Its Tyrannosauroid Affinities

FIG. 5. Right surangular of the holotype of Dryptosaurus aquilunguis (ANSP 9995) in lateral (A), medial (B), dorsal (C), and ventral (D) views. Abbreviations: add, adductor muscle attachment; gle, glenoid; lgfossa, lateral fossa below the glenoid; lss, lateral surangular shelf; mpr, medial process; psfor, posterior surangular foramen. Scale bar = 50 mm.

FIG. 3 in The Anatomy of Dryptosaurus aquilunguis (Dinosauria: Theropoda) and a Review of Its Tyrannosauroid Affinities

FIG. 3. Right dentary of the holotype of Dryptosaurus aquilunguis (ANSP 9995) in lateral (A), medial (B), and dorsal (C) views. Abbreviations: idp, interdental plates; mg, Meckelian groove; pnr, primary neurovascular foramina row; snr, secondary neurovascular foramina row. Scale bar = 50 mm.

FIG. 2 in The Anatomy of Dryptosaurus aquilunguis (Dinosauria: Theropoda) and a Review of Its Tyrannosauroid Affinities

FIG. 2. Right maxilla of the holotype (original material and casts) of Dryptosaurus aquilunguis (ANSP 9995) in lateral (A), anterior (B), medial (C, D), and ventral (E, F) views. Bones A, C, and E are original material, and B, D, and F are casts. Abbreviations: amp, anteromedial process; idp, interdental plates; pnr, primary neurovascular foramina row. Scale bar = 50 mm.

FIG. 18 in The Anatomy of Dryptosaurus aquilunguis (Dinosauria: Theropoda) and a Review of Its Tyrannosauroid Affinities

FIG. 18. Left tibia of the holotype of Dryptosaurus aquilunguis (ANSP 9995) in anterior (A), posterior (B), lateral (C), medial (D), proximal (E), and distal (F) views. Abbreviations: af, astragalus facet; cn, cnemial crest; fc, fibular crest; it, incisura tibialis; lc, lateral condyle; lateral malleolus; mc, medial condyle; mm, medial malleolus. Scale bar for A–D = 100 mm, for E–F = 50 mm.

FIG. 34. — Mapusaurus roseae n. gen., n in A new carcharodontosaurid (Dinosauria, Theropoda) from the Upper Cretaceous of Argentina

FIG. 34. — Mapusaurus roseae n. gen., n. sp.: A, B, left pedal phalanx III-1 (MCF-PVPH-108.23); A, dorsal view; B, medial view; C, D, pedal phalanx III-2 (MCF-PVPH-108.25); C, dorsal view; D, side view; E-G, pedal phalanx III-3 (MCF-PVPH-108.28); E, dorsal view; F, side view; G, ventral view; H, pedal ungual (MCF-PVPH-108.198), side view. Scale bar: 10 cm.

FIG. 30. — Mapusaurus roseae n. gen., n in A new carcharodontosaurid (Dinosauria, Theropoda) from the Upper Cretaceous of Argentina

FIG. 30. — Mapusaurus roseae n. gen., n. sp., left fibula (MCF- PVPH-108.202): A, medial view; B, lateral view. Abbreviation: mf, medial fossa. Scale bar: 10 cm.

FIG. 28. — Mapusaurus roseae n. gen., n in A new carcharodontosaurid (Dinosauria, Theropoda) from the Upper Cretaceous of Argentina

FIG. 28. — Mapusaurus roseae n. gen., n. sp., left femur (MCF-PVPH-108.203): A, anterior view; B, medial view; C, lateral view; D, posterior view. Abbreviations: 4th t, fourth trochanter; ag, anterior intercondylar groove; at, anterior (lesser) trochanter; fh, femoral head; gt, greater trochanter; pg, posterior intercondylar groove. Scale bar: 10 cm.

FIG. 29. — Mapusaurus roseae n. gen., n in A new carcharodontosaurid (Dinosauria, Theropoda) from the Upper Cretaceous of Argentina

FIG. 29. — Mapusaurus roseae n. gen., n. sp., left tibia (MCF-PVPH-108.68): A, anterior view; B, lateral view; C, posterior view; D, medial view; E, distal view. Abbreviations: aa, area for ascending process of astragalus; cc, cnemial crest; lt, lateral tuberosity. Scale bar: 10 cm.

FIG. 26. — Mapusaurus roseae n. gen., n in A new carcharodontosaurid (Dinosauria, Theropoda) from the Upper Cretaceous of Argentina

FIG. 26. — Mapusaurus roseae n. gen., n. sp.: A, left ilium (MCF-PVPH-108.128), lateral view; B, ventro-posterior fragment of right ilium (MCF-PVPH-108.181) in ventral view (the picture has been inverted to represent the left side; dashed area represents the internal projection of the pneumatic diverticulae). Abbreviations: a, acetabulum; bs, brevis shelf; ip, ischiadic peduncle; pb, preacetabular blade; pd, pneumatic diverticulae; pp, pubic peduncle. Scale bar: 10 cm.

FIG. 23. — Mapusaurus roseae n. gen., n in A new carcharodontosaurid (Dinosauria, Theropoda) from the Upper Cretaceous of Argentina

FIG. 23. — Mapusaurus roseae n. gen., n. sp., right radius (MCF- PVPH-108.46): A, anterior view; B, posterior view; C, lateral view; D, medial view; E, proximal view; F, distal view. Abbreviation: u, ulnar contact. Scale bar: 10 cm.

FIG. 31. — Mapusaurus roseae n. gen., n in A new carcharodontosaurid (Dinosauria, Theropoda) from the Upper Cretaceous of Argentina

FIG. 31. — Mapusaurus roseae n. gen., n. sp., right astragalus (MCF-PVPH-108.70): A, ventral view; B, dorsal view; C, posterior view; D, medial view. Abbreviations: ap, base of ascending process; cn, calcaneal notch; fa, fibular articulation; hg, horizontal groove; p, pit in base of ascending process; pp, posterior process. Scale bar: 10 cm.

FIG. 22. — Mapusaurus roseae n. gen., n in A new carcharodontosaurid (Dinosauria, Theropoda) from the Upper Cretaceous of Argentina

FIG. 22. — Mapusaurus roseae n. gen., n. sp., right humerus (MCF- PVPH-108.45): A, anterior view; B, medial view; C, posterior view; D, lateral view; E, proximal view; F, distal view. Abbreviations: dpc, deltopectoral crest; en, entepicondyle; hrs, humero-radialis origin scar; rc, radial condyle; uc, ulnar condyle. Scale bar: 10 cm.