Fauna of upper Vale and Choza
By: Everett Claire Olson --
Series: Fieldiana -- v. 10, no. 11; Chicago Natural History Museum. [Publication] -- no. 674; Publication (Chicago Natural History Museum) -- 674.
Publisher: Chicago Natural History Museum
Published: 1951
Place of publication: [Chicago]
Subjects: Reptiles, Fossil.; Fishes, Fossil.; Paleontology -- Permian.; Paleontology -- Texas.