Alioramus

Alioramus was bipedal like most theropods, and its sharp teeth indicate that it was a carnivore. It was smaller than tyrannosaurids like Tarbosaurus and Tyrannosaurus, but its adult size is difficult to estimate since both species are known from juvenile or sub-adult remains. Alioramus is characterized by the row of five bony crests along the top of its snout, a greater number of teeth than any other tyrannosaurid, and a lower skull than those of other tyrannosaurids.