Fauna of the Vale and Choza.
By: Everett Claire Olson.
Contributors: Chicago Natural History Museum.
Series: Fieldiana -- v. 10, no. 27; [Publication] -- no. 797; Publication (Chicago Natural History Museum) -- no. 797
Publisher: Chicago Natural History Museum
Published: 1956
Place of publication: Chicago, Ill
Language: eng
Number of pages: 334
Subjects: Reptiles, Fossil; Sharks, Fossil; Chondrichthyes, Fossil; Xenacanthus; Paleontology -- Permian; Paleontology -- Texas
Other titles: Diadectes, Xenacanthus, and specimens of uncertain affinitie
Notes: Caption title.

Bibliography: p. 334.