Some acanthoceratid ammonites from Upper Cenomanian (Upper Cretaceous) rocks of Wyoming
By: by William A. Cobban.
Series: U.S. Geological Survey professional paper ;; 1353
Publisher: U.S. G.P.O.
Published: 1988
Place of publication: Washington
Language: eng
Number of pages: 17
Subjects: Acanthoceratidae; Paleontology -- Cretaceous; Paleontology -- Wyoming
Notes: Bibliography: p.
Includes index.