yangchuanosaurus dinosaur hunt

africa animal animals apex behemoth biped bipedal bull carinatus carnivore carnivorous cow creature dinosaur environment era evolution extinct extinction gigantic herbivore herbivorous herd hunting illustration image jurassic large lizard massospondylus monster nature organism paleoart picture powerful predator prehistoric primeval primitive prosauropod raptor reptile sauropod south themes theropod titan vertebrate wilderness wildlife world yangchuanosaurus