Fauna of the Vale and Choza.
By: Everett Claire Olson.
Contributors: Chicago Natural History Museum.
Series: Fieldiana -- v. 10, no. 26; [Publication] -- no. 796; Publication (Chicago Natural History Museum) -- no. 796
Publisher: Chicago Natural History Museum
Published: 1956
Place of publication: Chicago, Ill
Language: eng
Number of pages: 328
Subjects: Amphibians, Fossil; Paleontology -- Permian; Paleontology -- Texas
Other titles: New trematopsid amphibian from the Vale Formation.
Notes: Caption title.

Bibliography: p. 328.