Fauna of the upper Vale and Choza.
By: Everett Claire Olson.
Contributors: Chicago Natural History Museum.
Series: Fieldiana -- v. 10, no. 14; [Publication] -- no. 695; Publication (Chicago Natural History Museum) -- no. 695
Publisher: Chicago Natural History Museum
Published: 1952
Place of publication: Chicago, Ill
Language: eng
Number of pages: 166
Subjects: Amphibians, Fossil; Paleontology -- Permian; Paleontology -- Texas
Notes: Caption title.

Bibliography: p. 166.