Locality Layer
USA, Oklahoma, Tulsa Co., Sand Springs, 6.5 mls W of Nellie Bly Fm.
USA, Texas, Brewster Co., Lenox, 4.5 mls ESE of Gaptank Fm., upper part (?)
USA, Texas, Brewster Co., Marathon, 3 mls W of Gaptank Fm.
USA, Texas, Jack Co., Jacksboro, 3.5 mls SE of Graham Fm., lower part