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.