Holotype:

Locality: Ghost Ranch Quarry or the Whitaker Quarry, SE 1/4, SE. 1/4, SW 1/4, Section 1, Township 24 North, Range 4 East, Rio Arriba County, New Mexico.

Horizon: Rock Point Formation, Chinle Group.

Biostratigraphy:

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

Material: Complete skeleton.