A spiny aptychus from the Cretaceous of Kansas /

Bibliographic Details
Main Author:	Fischer, Alfred G.
Other Authors:	Fay, Robert O.
Format:	Book
Language:	English
Published:	Lawrence, [publisher not identified] ; 1953.
Series:	Bulletin (Kansas Geological Survey) ; 102, pt. 2. Reports of studies (Kansas Geological Survey) ; 1953, pt. 2.
Subjects:	Ammonoidea. Paleontology > Kansas. Paleontology > Cretaceous.

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