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By: Mellett, James Silvan,Edition:Publication info: New York, N.Y American Museum of Natural History [1968]Volume: no.2318 (1968)Series:Holding Institution: American Museum of Natural History LibrarySubjects: 56.9(1181:51.7) Formations (Geology) Geology Geology, Stratigraphic Mammals, Fossil Mongolia Oligocene Paleontology Vertebrates, FossilBHL Collections: