From editor or global species database
Type locality Neotype locality: Locality L0584b, Uinta County, Wyoming, Mulkay Spring Quadrangle, S1/2 SE 1/4 SW 1/4 SE 1/4 sec. 2, T. 18 N., R. 116 W., in south-facing bluff on north side of Little Muddy Creek; Green River Formation (lower part, Fontenelle Tongue), Wasatchian, early Eocene [details]