Holotype: Not given.

Locality: Apache Canyon, Southeast of Tucumcari, Quay County, New Mexico.

Horizon: Redonda Formation.

Biostratigraphy:

Age: Apachean, Rhaetian, Late Norian Stage, Late Triassic Epoch, Late Late Triassic.

Material:

Referred material:

YPM 4202-4222, 4238, 4284, 4304, UCMP 63485: Fragmentary skulls.

YPM 9628: Fragmentary left clavicle.