Holotype: University of British Columbia No. 1
Locality: 3 miles east of Burmis Station on the Crow's Nest line of the Canadian Pacific Railroad, Municipality of Crowsnest Pass, Alberta Province, Canada.
Horizon: Blairmore Formation.
Age: Late Early Cretaceous or Early Late Cretaceous.
Material: Nearly complete left hind foot articulated with the distal halves of tibia and fibula, fragmentary portions of proximal and distal ends of femur, one complete caudal centrum and on half of another, and portions of two sacral centra.