Species: pinkleyi BRANSON & MEHL, 1929 (nomen dubium)
Etymology:

Holotype: UM 554VP

Locality: About 8 miles northwest of Adamana, Apache County, Arizona.

Horizon: Chinle Group.

Biostratigraphy:

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

Material: Posterior portion of a skull.