Theropod Dinosaurs Could Open Their Jaws Up To 90 Degrees, UK Paleontologist Says

Using digital models and computer analyses, a paleontologist at the University of Bristol, UK, has studied the muscle strain during jaw opening of three theropod dinosaurs – Tyrannosaurus rex, Allosaurus fragilis and Erlikosaurus andrewsi. Dr Lautenschlager looked at Tyrannosaurus rex – a large-sized meat-eating theropod with a massively built skull and long teeth; Allosaurus fragilis [...] —> Read More