Sharks have ruled the Earth’s oceans for 400 million years and recent research on fossilized shark teeth has led to the ...

A fearsome killer C. megalodon, often called simply “megalodon,” is famous for its massive size and sharp teeth. Its name in Greek means “big-toothed glorious shark” – a fitting moniker ...

Our study was one of the first to date Florida coastal deposits using fossil shark teeth and a technique that looks at variations in ocean strontium. Strontium is a chemical element that occurs ...

It may have been comparable in length to today's biggest whale sharks, the largest of which has measured in at 18.8 metres. Without a complete megalodon skeleton to measure, these figures are based on ...

A “serrated blade” found sticking from a rock on Isle of Wight in the UK has been identified as a shark tooth that could be 100 million years old, experts say. Wight Coast Fossils photo A ...

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.