Hussakof, L., 1943, Permian fishes from the Kaibab formation of Arizona [abs.]: Geological Society of America Bulletin, v. 54, p. 1834.
Hussakof, L.
Geological Society of America Bulletin, v. 54, p. 1834.
Vertebrate, [Kaibab Fm][Kaibab Limestone] - Permian, (Aubrey Group),