The microvertebrate fauna of the Placerias and Downs Quarries, Chinle Formation (Upper Triassic), near St. Johns, Arizona
Tannenbaum, F.A., 1983, The microvertebrate fauna of the Placerias and Downs Quarries, Chinle Formation (Upper Triassic), near St. Johns, Arizona: Berkeley, University of California, M.S. thesis.