The Upper Cretaceous (Turonian) ammonite family Coilopoceratidae Hyatt in the Western Interior of the United States.  by William Aubrey Cobban and S.C. Hook
Contributors: Hook, S.C.
Publisher: U.S. Dept. of the Interior
Place of publication: Washington
Language: eng
Number of pages: 28
Subjects: Paleontology - Cretaceous
Notes: 11