Albertosaurus
Albertosaurus is a genus of tyrannosaurid theropod dinosaurs that lived in western North America during the Late Cretaceous Period. The type species, A. sarcophagus, was apparently restricted in range to the modern-day Canadian province of Alberta. An indeterminate species has been discovered in the Corral de Enmedio and Packard Formations in Mexico. Scientists disagree on the content of the genus,...
