Late Campanian (Cretaceous) heteromorph ammonites from the western interior of the United States
By: W.J. Kennedy ... [et al.]
Contributors: Kennedy, W. J.
Series: Bulletin of the American Museum of Natural History -- no. 251.
Publisher: American Museum of Natural History
Published: 2000
Place of publication: New York
Language: eng
Number of pages: 88
Subjects: Ammonoidea -- West (U.S.); Paleontology -- Cretaceous.; Paleontology -- West (U.S.)
Notes: "Issued April 10, 2000."

Includes bibliographical references (p. 80-85).