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Allosauroidea skull comparison (to scale) by Dennonyx.deviantart.com on @DeviantArt

A = Proceratosaurus B = Guanlong C = Sinotyrannus D = Dilong E = Eotyrannus F = Xiongguanlong G = Yutyrannus H = Appalachiosaurus I = Bistahieversor J = Gorgosaurus K = Albertosaurus L = Daspletosa.

Not-Ceratopsoidea Ceratopsia skull comparison by Dennonyx on deviantART A = Yinlong B = Xuanhuaceratops  C = P. sibiricus D = P. major E = P. meileyingensis F = P. sinensis G = P. mongoliensis H = Archaeoceratops I = Liaoceratops J = Auroraceratops K = Bagaceratops L = Ajkaceratops M = Gryphoceratops N = Magnirostris O = Lamaceratops P = Prenoceratops Q = Udanoceratops R = Cerasinops S = Montanoceratops T = Leptoceratops U = Breviceratops V = Protoceratops

A = Yinlong B = Xuanhuaceratops C = P. sibiricus D = P. major E = P. meileyingensis F = P. sinensis G = P. mongoliensis H = Archaeoceratops I = Liaocera. Not-Ceratopsoidea Ceratopsia skull comparison

726px-Sauropodomorpha_skull_comparison.jpg (726×1024) - A. Efraasia; B. Plateosaurus; C. Lufengosaurus; D. Aardonyx; E. Anchisaurus; F. Massospondylus; G. Omeisaurus; H. Euhelopus; I. Camarasaurus; J. Brachiosaurus; K. Giraffatitan; L. Abydosaurus; M. Diplodocus; N. Apatosaurus; O. Kaatedocus; P. Nigersaurus; Q. Nemegtosaurus; R. Quaesitosaurus; S. Rapetosaurus; T. Bonitasaura. Auteur : Danny Cicchetti, 2013.

A = Yinlong B = Xuanhuaceratops C = P. sibiricus D = P. meileyingensis F = P. sinensis G = P. mongoliensis H = Archaeoceratops I = Liaoceratops J = Auroraceratops K = Bagaceratops L = .

Dentition of Torvosaurus gurneyi A, C, E–H, Second maxillary tooth; and B, D, third non-erupted maxillary tooth of the holotype specimen of Torvosaurus gurneyi in A–B, labial; C–D, lingual; E, mesial; F, distal; G, basal; and H, apical views. I–J, Distal; and K–M, mesial denticles of the second maxillary tooth in lateral view. M, Distal serrations showing the interdenticular sulci; and N, enamel texture of the third non-erupted tooth in labial view

Dentition of Torvosaurus gurneyi A, C, E–H, Second maxillary tooth; and B, D, third non-erupted maxillary tooth of the holotype specimen of Torvosaurus gurneyi in A–B, labial; C–D, lingual; E, mesial; F, distal; G, basal; and H, apical views. I–J, Distal; and K–M, mesial denticles of the second maxillary tooth in lateral view. M, Distal serrations showing the interdenticular sulci; and N, enamel texture of the third non-erupted tooth in labial view

A = Proceratosaurus B = Guanlong C = Sinotyrannus D = Dilong E = Eotyrannus F = Xiongguanlong G = Yutyrannus H = Appalachiosaurus I = Bistahieversor J = Gorgosaurus K = Albertosaurus L = Daspletosa...

A = Proceratosaurus B = Guanlong C = Sinotyrannus D = Dilong E = Eotyrannus F = Xiongguanlong G = Yutyrannus H = Appalachiosaurus I = Bistahieversor J = Gorgosaurus K = Albertosaurus L = Daspletosa.

A = Proceratosaurus B = Guanlong C = Sinotyrannus D = Dilong E = Eotyrannus F = Xiongguanlong G = Yutyrannus H = Appalachiosaurus I = Bistahieversor J = Gorgosaurus K = Albertosaurus L = Daspletosa...

The first of many updates and expansions to my dinosaur anatomy guide. If you want to learn the bones of a dinosaur skull this should get you headed in . Bones of the theropod skull

Photomicrographs of DIP-V-15101.

Scientists discovered two feather-covered dinosaur wings preserved in amber BusInsider

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