t rex or tyrannosaurus rex a large carnivorous theropod dinosaur of the jurassic cretaceous period

rex tyrannosaurus dinosaur trex carnivore prehistoric predator ancient cretaceous large powerful fierce monster monstrous carnivorous theropod generative massive jaw teeth ferocious reptile extinct species fearsome hunter enormous skeleton period bipedal era vicious bone jurassic world fossil animal creature lizard poster palaeontology velociraptor pterodactyl isolated dragon size head