The Upper Cretaceous (Turonian) ammonite family Coilopoceratidae Hyatt in the western interior of the United States
By: by William A. Cobban and Stephen C. Hook.
Contributors: Hook, Stephen C., joint author.
Series: Geological Survey professional paper ; 1192; Geological Survey professional paper ;; 1192.
Publisher: U.S. Govt. Print. Off.; For sale by the Supt. of Docs.
Published: 1980
Place of publication: Washington
Language: eng
Number of pages: 28
Subjects: Coilopoceratidae.; Paleontology -- Cretaceous.; Paleontology -- West (U.S.)
Notes: Bibliography: p. 24-26.
Includes index.