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By: Auffenberg, Walter, - Goin, Coleman J. (Coleman Jett), - Cope, E. D. (Edward Drinker),Edition:Publication info: New York, N.Y, American Museum of Natural History, [1959]Volume: no. 1979Series:Holding Institution: American Museum of Natural History LibrarySubjects: 56.76(117:7) Alberta Amphibians, Fossil Cretaceous Hemitrypus Montana Niobrara County Paleontology Salamanders, Fossil Scapherpetonidae WyomingBHL Collections: