This shark is considered to be a close relative of another prehistoric megatoothed shark, C. megalodon.

Near the sanctuary is the site of an archaeological excavations: findings include bones of a prehistoric shark.

Lonchidion is a genus of prehistoric sharks in the family Hybodontidae.

Physogaleus is a small prehistoric shark that lived in the Eocene.

She believes it to come from a huge prehistoric shark called Megalodon (Greek for "big tooth").

Xenacanthidae is a family of prehistoric sharks in the order Xenacanthida.

No modern sharks are the same species as prehistoric sharks, even though they're recognisably descended from the same place.

The original hypothesis for the great white's origins is that it shares a common ancestor with a prehistoric shark, such as the C. megalodon.

It features giant crabs, prehistoric sharks and sea dragons.

The movie "Jaws" was a boon for anyone owning the teeth of prehistoric sharks.