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By: Haas, Otto,Edition:Publication info: New York, American Museum of Natural History, [1952]Volume: no. 1561Series:Holding Institution: American Museum of Natural History LibrarySubjects: 56.4,53(117:67.3) Ammonoidea Angola Cretaceous Desmoceratidae Lobito Region Lytoceratidae Mollusks, Fossil PaleontologyBHL Collections: