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By: Auffenberg, Walter,Edition:Publication info: New York, N.Y American Museum of Natural History [1962]Volume: no.2120 (1962)Series:Holding Institution: American Museum of Natural History LibrarySubjects: 56.81,3(1181:78.8) Colorado Oligocene Paleontology Reptiles, Fossil Stylemys amphithorax Testudo amphithorax Turtles, Fossil Weld CountyBHL Collections: