Title: Fauna of the Vale and Choza
First published: 1954
Subjects: Paleontology, Fossil Reptiles, Fossil Amphibians, Pelycosauria, Geology, Fossil Chondrichthyes, Dimetrodon, Trimerorhachis, Fossil Sharks, Stratigraphic Geology, Xenacanthus
Places: Texas
Time periods: Permian