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By: Kennedy, W. J. (William James) - Landman, Neil H. - Cobban, William Aubrey,Edition:Publication info: New York, N.Y, American Museum of Natural History, c1996Volume: no. 3186Series:Holding Institution: American Museum of Natural History LibrarySubjects: Ammonoidea Coahuilites sheltoni Cretaceous Mexico, Northern Paleontology Sphenodiscus pleurisepta West (U.S.)BHL Collections: