New fossil localities in the Verde Formation, Verde Valley, Arizona, in Weber, R.H., and Peirce, H.W., eds., Guidebook of the Mogollon Rim region, east-central Arizona

Twenter, F.R., 1962, New fossil localities in the Verde Formation, Verde Valley, Arizona, in Weber, R.H., and Peirce, H.W., eds., Guidebook of the Mogollon Rim region, east-central Arizona: New Mexico Geological Society 13th Field Conference Guidebook, p. 109-114.