Holotype: ROM 764 (old GSC 4514)
Locality: Sand Hill Creek about 2 1/2 miles above Happy Jack Ferry and 1 mile south of the Red Deer River, near Steveville, Dinosaur Provincial Park, Alberta Province, Canada.
Horizon: Dinosaur Park Formation, upper Judith River Group.
Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.
Material: Skull missing snout and skeleton with skin impressions and dermal