The postcranial body was compact

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

swinging its tail like a formidable weapon

El Hatzegopteryx se caracterizaba por su impresionante tamaño y su estructura ósea ligera pero resistente

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

Gorgosaurus libratus Protoceratops The postcranial body was compactGorgosaurus 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