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By: Simpson, George Gaylord,Edition:Publication info: New York, American Museum of Natural History, [1954]Volume: no. 1654Series:Holding Institution: American Museum of Natural History LibrarySubjects: 56.9.33A(1181:78.9) Eocene Mammals, Fossil New Mexico Paleontology San Juan Basin (N.M. and Colo.) Teilhardella whitakeriBHL Collections: