Reptilia - Avetheropoda - Tyrannosauridae

PaleoDB taxon number: 56319

Synonym: Albertosaurus arctunguis Parks 1928 (taxon 63710)

Full reference: H. F. Osborn. 1905. Tyrannosaurus and other Cretaceous carnivorous dinosaurs. Bulletin of the American Museum of Natural History 21(14):259-265

Belongs to Albertosaurus according to T. R. Holtz 2004

Sister taxa: none

Type specimens:

• Albertosaurus sarcophagus: NMC 5600, a partial skeleton. Its type locality is Kneehills Creek, GSC (NMC 5600), which is in a Campanian terrestrial sandstone in the Horseshoe Canyon Formation of Canada.
• Albertosaurus arctunguis: ROM 807. Its type locality is 2.5 miles above Bleriot ferry, Red Deer River (ROM), which is in a Campanian terrestrial horizon in the Horseshoe Canyon Formation of Canada.

Ecology: ground dwelling carnivore

Average measurements (in mm): coracoid length 148.0, femur length 939.7, fibula length 875.0, humerus length 303.0, radius length 136.0, scapula length 740.0, tibia length 980.0, ulna length 163.0

Estimated body mass: 1.63 tons based on femur length