The ratios of strontium isotopes in fossil shark teeth can be used to better understand how coastal environments evolved in ...

The fossilized remains belong to Cosmopolitodus hastalis – an extinct mackerel shark closely related to the modern great ...

The 23ft long beast had huge flesh-tearing teeth that ripped through its prey and could grow up to the size of small boat. The fossil of the shark that roamed the seas millions of years ago was ...

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 ...

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 ...

Peruvian paleontologists have revealed a 9-million-year-old fossil belonging to an ancestor of the great white shark. Discovered in the Pisco basin, the nearly-complete Cosmopolitodus Hastalis fossil ...

This shark is believed to have been an ancestor of the famed great white. The fossil has shown that its teeth spanned up to an astonishing 8.9cm in length. For comparison, the great white shark ...