On the flat-clawed carnivora of the eocene of Wyoming Cope, E. D. (Edward Drinker), 1840-1897 creator text book [Philadelphia American Philosophical Society 1873] 1873
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ENG Cover title. "Read before the American Philosophical Society, April 4, 1873." Carnivora, Fossil Eocene Paleontology Wyoming https://www.biodiversitylibrary.org/bibliography/23238 10.5962/bhl.title.23238 CU-BANC