Colbert, E.H., 1952, A pseudosuchian reptile from Arizona: American Museum of Natural History, Bulletin, v. 99, art. 10, p. 561-592.
Colbert, E.H.
American Museum of Natural History, Bulletin, v. 99, art. 10, p. 561-592.
Paleontology, Vertebrate, Chinle Fm - Triassic,