pteranodon reptile over coastline

america animal beach beak bird carnivore claws cliff coast coastal coastline creature cretaceous dinosaur epoch era evolution extinct extinction flies flight flying genus hunter illustration image lagoon lizard longiceps marine mesozoic mountain nature nautical north ocean organism peaceful period picture predator prehistoric primeval primitive pteranodon pterodactyl pterodactyloid pterodactylus pterosaur quiet reptile saltwater sand sea seacoast seas seascape seashore seaside seawater single species vertebrate water wave wild wildlife wing