A cestraciont spine from the middle Triassic of Nevada.

Bibliographic Details
Main Author: Davidson, Pirie, 1892-
Format: Book
Language:English
Published: Berkeley, CA : University of California Press, 1919.
Series:University of California publications in geological sciences ; v. 11, no. 4.
Subjects:
Description
Physical Description:[433]-435 pages : illustrations ; 28 cm.