Reptilia - Dinosauria - Stegosauridae

Alternative combination: Stegosaurus mjosi

Full reference: K. Carpenter, C. A. Miles, and K. Cloward. 2001. New primitive stegosaur from the Morrison Formation, Wyoming. The Armored Dinosaurs. Indiana University Press, Bloomington 55-75

Belongs to Hesperosaurus according to K. Carpenter 2010

Sister taxa: Stegosaurus armatus, Stegosaurus stenops, Stegosaurus ungulatus, Wuerhosaurus homheni

Type specimen: HMNH 001. Its type locality is Buffalo Quarry, Smith Ranch, which is in a Kimmeridgian terrestrial sandstone in the Morrison Formation of Wyoming.

Ecology: ground dwelling herbivore