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By: Couto, Carlos de Paula.Edition:Publication info: New York American Museum of Natural History [1952]Volume: no.1568 (1952)Series:Holding Institution: American Museum of Natural History LibrarySubjects: 56.9,71(1181:81) Brazil Colbertia magellanica Itaboraí Region Mammals, Fossil Notoungulata Paleocene PaleontologyBHL Collections: