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  1. By: Haas, Otto,
    Publication info: New York, American Museum of Natural History, [1952]
    Holding Institution: American Museum of Natural History Library
    Subjects: 56.4,53(117:67.3)  Ammonoidea  Angola  Cretaceous  Desmoceratidae  Lobito Region  Lytoceratidae  Mollusks, Fossil  Paleontology