Hybodus lived about 303.4 million to 66 million years ago and is possibly one of the longest-living prehistoric sharks of all time. It’s definitely the longest-living one on this list!

so that many more sharks aren’t added to this list of 11 types of sharks that went extinct. Read on for the top facts about the most interesting extinct sharks. Megalodon is the largest shark ...

Just in time for summer, the megalodon—the ancient, city bus-sized shark known as the “Megatooth”—has reared its ravenous snout. While the oceans are now safe from the Megatooth, which went extinct an ...

A prehistoric food fight may have spelled the end for the megalodon, the largest shark that ever lived. A study of the ocean giant's fossil teeth suggests it had to compete for food with another ...

A shark only just formally discovered might already be extinct - a fate no shark has yet suffered in the human era - while an Amazon river dolphin has become endangered, a Red List of species in ...

Megalodon sharks were the prehistoric oceans ' largest predators, but that doesn't necessarily mean they were the best hunters. They are the biggest carnivorous sharks to ever swim the seas.