Even the great white shark does not have teeth that size
This fossilized tooth of a megalodon is about the size of a human hand. While a great white shark can grow up to about 20 feet in lenght, the megalodon could be as long as 40 feet. This ancester of the shark was roaming the oceans about 60 to 65 millions years ago. These days, such a megalodon tooth for sale is worth about ninety dollars and represents an impressive piece of collection for the archeological mind.