" For ten points, identify this favorite subject of crypto zoologists, a shark thought to be three times as large as the modern great white shark, with which it shares a genus.
It lived during the Miocene and Pliocene epochs, though some claim that it is still extant. It probably fed upon the whales that evolved at the same time. Thought to be anywhere from 40 to 60 feet long, its teeth were as large as six inches across, and its jaws expanded to six feet, explaining why its species name means, "giant tooth." For ten points, identify this favorite subject of crypto zoologists, a shark thought to be three times as large as the modern great white shark, with which it shares a genus.
It lived during the Miocene and Pliocene epochs, though some claim that it is still extant.
{carcharodon megalodon} (accept {carcharocles megalodon})