herrerasaurus dinosaur, photorealistic representation. side view

age america animal background big carnivorous claws creature dangerous dino dinosaur dinosauria extinct extinction fossil frenguellisaurus gigantic grand head herrera herrerasaurus hunter illustration ischigualastensis ischisaurus isolated jurassic ladinian large lizard meateating model paleontology patagonia period powerful predator prehistoric reptile saurischia scary south trex teeth terrible theropoda triassic white