jurassic omeisaurus dinosaurs

america animal banana beak bird carboniferous carnivore china claws cretaceous dinosaur epoch era evolution extinct extinction flight flying genus herbivore hunter illustration image jurassic lizard long longiceps mesozoic nature neck north omeisaurus organism paleontology period picture pine predator prehistoric primeval primitive pteranodon pterodactyl pterodactyloid pterodactylus pterosaur reptile sauropod species tail tianfuensis titanosaurus tree vertebrate wild wildlife wing