Alternative combinations: Daspletosaurus torrosus, Tyrannosaurus torosus
Full reference: D. A. Russell. 1970. Tyrannosaurs from the Late Cretaceous of western Canada. National Museum of Natural Sciences, Publications in Paleontology 1:1-34
Sister taxa: none
Type specimen: NMC 8506, a partial skeleton. Its type locality is RTMP Quarry 72, Steveville, (NMC), which is in a Campanian fine channel fill sandstone in the Oldman Formation of Canada.
Ecology: ground dwelling carnivore
Average measurements (in mm): coracoid length 170.0, femur length 988.5, femur circumference 389.0, humerus length 357.0, radius length 171.0, scapula length 772.0, skull length 1040.0, tibia length 1022.0, tibia circumference 347.0, ulna length 214.0
Estimated body mass: 1.88 tons based on femur length