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By: Haas, Otto,Edition:Publication info: New York, N.Y, American Museum of Natural History, [1963]Volume: no. 2151Series:Holding Institution: American Museum of Natural History LibrarySubjects: 56.4,53(117:73W) Alberta Ammonoidea Cretaceous Mollusks, Fossil Paleontology Paracanthoceras wyomingense West (U.S.)BHL Collections: