The fossil is from the left side an upper jaw, Godfrey also said, adding that the size of the tooth indicated that the shark — considered by scientists to be a "transoceanic superpredator," acco ...

To do our study, we selected shark tooth specimens from two significant Neogene-period fossil sites in Florida. The Neogene, from 2.6 to 23.5 million years ago, was a time of immense change in ...

This “chipmunk shark” packed quite a punch with its strange set of teeth. Its diet varied from ... ruled the seas. Many fossils of this type of fish have turned up in Mammoth Cave, Toomey ...

The earliest fossil evidence for sharks or their ancestors are a few scales dating to 450 million years ago, during the Late Ordovician Period. “Shark-like scales from the Late Ordovician have been ...

A rendering of Clavusodens mcginnisi, or “McGinnis’ nail tooth,” an ancient ... has been dubbed the “chipmunk shark” by researchers who found its fossils in Kentucky.

In the depths of the world's longest cave, researchers have uncovered the fossilized remains of a 340-million-year-old shark. This small predator, named Clavusodens mcginnisi, intrigues with its ...

A new study suggests the extinct megalodon shark species ... would shed their teeth in the same way that modern-day sharks do, so megalodon teeth are a relatively common fossil specimen," said ...

A Saint John auction house has opened online bidding on a collection of megalodon shark teeth that ... "These sharks would shed their teeth in the same way that modern-day sharks do, so megalodon ...