omeisaurus dinosaurs

animal bird birds carnivore carnivorous china claws creature dinosaur dorygnathus environment era europe evolution extinct extinction feather flight flying herbivore herbivorous illustration image jurassic lizard mesozoic nature omeisaurus organism paleontology picture powerful prehistoric prey primeval primitive pterodactyl pterodactylus pterosaur reptile sauropod species teeth themes tianfuensis titanosaurus vertebrate wing