Holotype:

Locality: Carol's Quarry, Fossil Forest, SE 1/4, NE 1/4, Sec. 23, T23N, R12W, San Juan County, New Mexico.

Horizon: Fruitland Formation.

Biostratigraphy:

Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material: Fragmentary skeleton.