File:Protoceratops andrewsi AMNH 6417.jpg

English: Image from page 552 of "Central Asiatic Expeditions of the American Museum of Natural History, under the leadership of Roy Chapman Andrews : preliminary contributions in geology, palaeontology, and zoology" (under the leadership of Roy Chapman Andrews):

Title: Central Asiatic Expeditions of the American Museum of Natural History, under the leadership of Roy Chapman Andrews : preliminary contributions in geology, palaeontology, and zoology Identifier: centralasiaticex01cent Year: under the leadership of Roy Chapman Andrews : (und0s) Authors: Central Asiatic Expeditions (1921-1930); Andrews, Roy Chapman, 1884-1960; Matthew, William Diller, 1871-1930 Subjects: Central Asiatic Expeditions (1921-1930); Scientific expeditions; Natural history; Scientific expeditions; Natural history Publisher: [New York : American Museum of Natural History Contributing Library: American Museum of Natural History Library Digitizing Sponsor: Biodiversity Heritage Library

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Text Appearing Before Image:

Text Appearing After Image: Fig. 3. Protoceratops andrewsi. Under side of a nearly complete skeleton. A. M. No. 6417. One-tenth natural size. Note the large size of the hind limb and foot, as compared with the forearm and hand; the elonga- tion of the metatarsus as in bipedal Ornithischia. The dorsal border of the ilium is not reflected outward above the acetabulum. The prepubic process of the pubis, while stout, is not nearly as long or as much expanded vertically as it is in later Ceratopsia, and the postpubic process is not so much reduced. The long ischia are concave on the lower border but lack an obturator process. The spines of the caudal vertebra; are very long and slender.

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