Invertebrate paleontology

Bibliographic Details
Main Author:	Twenhofel, William H. (William Henry) 1875-1957
Other Authors:	Shrock, Robert R. (Robert Rakes) 1904-1993 (joint author.)
Format:	Book
Language:	English
Published:	New York, London McGraw-Hill book company, inc. 1935.
Edition:	1st ed.
Subjects:	Invertebrates, Fossil.