cretaceous puertasaurus dinosaurs

america animal bird carnivore carnivorous claws creature cretaceous dinosaur dinosaurs era evolution extinct extinction flight flying genus herbivore herbivorous hole illustration image lizard longiceps mesozoic nature north organism paleontology patagonia period picture pond predator prehistoric primeval primitive pteranodon pterodactyl pterodactyloid pterodactylus pterosaur puertasaurus quadruped reptile reuili sauropod species swamp swampland teeth themes titanosaur vertebrate watering wild wildlife wing