dinosaurs elasmosaurus, mosasaurus, skeletons, fossils, winged lizard. american prehistoric reptiles, jurassic animal

age america ancient animal aquatic beast big carnivore carnivorous chordata contour creature cretaceous danger dinosaur dinosaurus drawn elasmosaurus engraved extinct hand hunter illustration isolated jurassic large life marine monster mosasaur mosasauridae mosasaurinae mosasaurus mysterious nature ocean outline paleontology predator prehistoric primitive reptile sea silhouette tail toy tylosaurinae underwater vector wildlife