Holotype:

Locality: Fort Wingate, T14N, R16W, McKinley County, New Mexico.

Horizon: Bluewater Creek Formation, Lower Chinle Group.

Biostratigraphy:

Age: Adamanian, Latest Carnian Stage, Late Triassic Epoch, Late Triassic.

Material: Tooth and a lachrymal, cervical dorsal, sacral and caudal vertebrae, fore and hind limb elements, and several pelvic fragments.