of a megalodon shark, prehistoric sea creature, predator of pliocene, extinct species´

ain ancient animal big blue carcharias carcharodon cenozoic creature creepy cretaceous danger dangerous early evolution extinct extinction generative gigantic great illustration jaws lamnidae large life mackerel mammoth marine megalodon miocene obliquus ocean oligocene otodontidae otodus period pleistocene pliocene predator prehistoric reef scary sea shark sharks species swim teeth tooth water white wildlife