Species: serratidens FOX, 1962
Holotype: KU 11120
Locality: Fort Sill, OMNH Locality V51, Dolese Brothers limestone quarry at Richards Spur, Fissure Fills, just west of U.S. Highways 62 & 281, 10.5 miles south of Apache, 6 miles north of Fort Sill, SW 1/2, Sec. 31, T4N, R11W, Comanche County, Oklahoma.
Horizon: Wellington Formation (Garber Formation), Summer Group, Arbuckle limestone, (Probably equivalent to the Arroyo Formation of Texas).
Age: Leonardian Stage, Lower Rotliegendes Epoch, Early Permian.
Material: Fragmentary left dentary with 5 teeth the posterior of which is broken at the base.
KU 11121: Fragmentary ?left maxilla, with 2 teeth.
KU 11122: Fragmentary left dentary with 2 teeth.