A note on the occurrence of allocrioceras billinghursti Klinger, 1976 (Cretaceous Ammonoidea) in the Middle Turonian of the Western Interior of the United States

A note on the occurrence of allocrioceras billinghursti Klinger, 1976 (Cretaceous Ammonoidea) in the Middle Turonian of the Western Interior of the United States

Bibliographic Details
Main Authors:	Cobban, W, Kennedy, W
Format:	Journal article
Language:	English
Published:	1989