New Permian vertebrates from the Chickasha formation in Oklahoma.

Bibliographic Details
Main Author:	Olson, Everett C. (Everett Claire), 1910-1993
Format:	Book
Language:	English
Published:	Norman : University of Oklahoma, 1965.
Series:	Circular (Oklahoma Geological Survey) ; 70.
Subjects:	Vertebrates, Fossil. Paleontology > Permian. Paleontology > Oklahoma.