Baily, W.F., 1926, Carbonic invertebrates from a Triassic conglomerate in western Arizona [abs.]: Pan-American Geologist, v. 45, no. 3, p. 251.
Baily, W.F.
Pan-American Geologist, v. 45, no. 3, p. 251.
Invertebrate, Paleogeography, Chinle Fm - Triassic, [Kaibab Fm][Kaibab Limestone] - Permian, (Aubrey Group),