dinosaur pterodactyl skeleton. primeval fauna, cretaceous period. huge zhenyuanopterus theropod. flying pterosaur

dinosaur skeleton pterodactyl paleontology pteranodon old sketch ancient animal archeology art black bones cartoon character creature design dino doodle dragon drawing evolution extinct fantastic flying fossil graphic history illustration isolated jurassic monster nature predator prehistoric pterosaur reptile science silhouette skull vector vintage white wild wildlife wing wings zoology