with its neck accounting for a large portion of its overall size

One of the most notable features is the presence of pneumatics not only in vertebrae and ribs

but by comparison with other members of the group

with an approximate weight of 80 to 100 kg in its adult stage

The remains of several individuals at different stages of development and similar conditions suggest that this species may have had some social interaction or that

Gorgosaurus libratus Protoceratops with its neck accounting forGorgosaurus libratus is an extinct species of theropod dinosaur belonging to the family Tyrannosauridae, which lived during the Late Cretaceous period, approximately 77 to 75 million years ago (Campanian), in what is now North America. Its fossil remains have been found mainly in Canada, especially in the Dinosaur Park Formation, which has allowed a detailed understanding of its anatomy and ontogeny. Morphologically, Gorgosaurus libratus was a large