New Vertebrate Fossil Localities in the Vale Formation (Lower Permian) of North-central Texas

Auteur : Ann H Waterman, George Christopher Williams, James J. Drake, John William Hardy, Max Hensley, Paul F. Connor, Richard J Seltin, Robert G. Webb, Rollin Harold Baker, William Holliday Armstrong

Date de publication : 1959

Éditeur : Museum, Michigan State University

Nombre de pages : 33