Holotype: UCMP uncatalogued.

Locality: Willow Springs badlands, Rock Head 7.5’ Quadrangle, northeastern Arizona.

Horizon: Near the middle of the Kayenta Formation.

Biostratigraphy:

Age: ?Sinemurian-Pliesbachian Stage, Middle Lias Epoch, Middle Early Jurassic.

Material: Skull and fragmentary skeleton.