Fauna of the upper Vale and Choza
Subtitle: 6, Diplocaulus
By: Everett Claire Olson --
Series: Fieldiana -- v. 10, no. 14; Chicago Natural History Museum. [Publication] -- no. 695; Publication (Chicago Natural History Museum) -- 695.
Publisher: Chicago Natural History Museum
Published: 1952
Place of publication: Chicago
Subjects: Diplocaulus; Paleontology -- Permian; Paleontology -- Texas