Because this monstrous shark was a fish made mainly of cartilage, its huge teeth were its only artifacts. This video explores how scientists use teeth to determine the size of sharks – from the ...

It is estimated that its jaw would span 2.7 by 3.4 metres wide, easily big enough to swallow two adult people side-by-side. These jaws were lined with 276 teeth, and studies reconstructing the shark's ...

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 ...

In fact, a T-rex would have been a quick snack for megalodon. Its head would have easily fit inside the gargantuan shark's mouth.

Yet even these long gnashers pale in comparison to the largest known shark teeth - those of the extinct megalodon, whose name means ‘big teeth’. Megalodon teeth could reach almost 18 centimetres long, ...

In the Cretaceous period, a shark or another kind of fish found sea lilies less than digestible. What you might expect ...

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.

Discover interesting facts about where sharks live, how big they can get ... of great whites to the long, tooth-lined snouts of sawsharks. The odd-looking goblin shark even has a flabby body ...

Shark tooth fossils in sandstone matrix, Lamna obliqua, Eocene Epoch (56 to 34 million years ago), ... [+] Morocco, (Specimen courtesy of Ron Stebler, Scottsdale, Arizona, USA), (Photo by Wild ...