using the lower teeth like a blade to tear off circular chunks of flesh. Smaller prey is eaten whole. This mysterious shark is not often seen by cameras: The first photograph of a live Greenland ...

(Graham Thompson/CBC) A Saint John auction house has opened online bidding on a collection of megalodon shark teeth that are millions of years old. Sarah Jones, curator at Jones Auction House ...

Remarkably, fossil shark teeth are also incredibly abundant. Sharks ruled the earth's oceans for 400 million years, and every individual grows and sheds thousands of teeth in their lifetime. How ...

Because of that characteristic, the team said that these shark teeth belonged to the Palaeohypotodus genus, whose name means “ancient small-eared tooth.” They named the newfound species ...