Full reference: J. R. Horner and D. B. Weishampel. 1988. A comparative embryological study of two ornithischian dinosaurs. Nature 332:256-257
Sister taxa: none
Type specimen: MOR 294, a partial skeleton. Its type locality is Egg Mountain, MOR TM-006, which is in a Judithian terrestrial carbonate in the Two Medicine Formation of Montana.
Ecology: ground dwelling herbivore
Average measurements (in mm): femur length 71.6, femur diameter 6.12, tibia length 137.6, tibia diameter 9.87
Estimated body mass: 1.21 kg based on femur length