The dinosaur book - the ruling reptiles and their relatives (1951) (20374190766)

Title: The dinosaur book : the ruling reptiles and their relatives
Identifier: bookruli00colb (find matches)
Year: 1951 (1950s)
Authors: Colbert, Edwin H. (Edwin Harris), 1905-2001; Knight, Charles Robert, 1874-1953; American Museum of Natural History
Subjects: Dinosaurs; Reptiles, Fossil
Publisher: New York : Published for the American Museum of Natural History by McGraw-Hill
Contributing Library: American Museum of Natural History Library
Digitizing Sponsor: IMLS / LSTA / METRO



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^ The Upper Cretaceous theropod, Sjruthiomimus. This dinosaur had gotten away from the active carnivorous habits of its theropod predecessors and become birdlike. The jaws developed as a flat horny beak that might be useful in eating fruits, other green things, insects, and small reptiles Restoration by Erwin S. Christman y One of the largest dinosaurs, Brontosaurus, a creature some 80 feet long and 40 tons in weight. It inhabited the marshes and streams of western North America between 120 and 155 million years ago and fed upon green plants in its tropical environment Restoration by Charles R. Knifiht