Tyrannosaurus was a large predatory dinosaur from the Upper Cretaceous, 67 to 65.5 million years ago. Tyrannosaurus was a ........... carnivore with a massive skull balanced by a long, heavy ............ Compared to the large and powerful hind limbs, its forelimbs were small, but powerful for their size. Like most dominant meat-eaters of today, such as lions and ..........., Tyrannosaurus might have lived in small groups. It had a very strong jaw, and its bite power could ........... the bones of other dinosaurs. More than 30 specimens of Tyrannosaurus rex have been found. Some of them are nearly complete ............ bipedal tail hyenas snap skeletons