flat skull with upward-curving lateral edges

referring to the sharp teeth it possessed

Altura 41 mm

The feathers provided it with thermal insulation

Gorgosaurus libratus Estemmenosuchus flat skull with upward-curving lateralGorgosaurus is a genus of theropod dinosaur that lived during the Late Cretaceous period, approximately 76 to 70 million years ago. It belonged to the Tyrannosauridae family, the same family as the famous Tyrannosaurus rex. This carnivorous dinosaur lived in what is now North America, specifically in what is now Canada and the United States. Physically, Gorgosaurus shared many characteristics with other tyrannosaurids. It had a large, robust skull,