The fossil was found in the Ste. Genevieve Formation, which dates to approximately 335 to 340 million years ago. It was ...

In a remarkable discovery, researchers have identified an unknown species of shark that is labelled as extinct.The species ...

It's Shark Week, and Mammoth Cave took the unofficial holiday to announce the discovery of a ancient shark species.

“ Macadens olsoni is notable for its unique tooth whorl, a curved row of teeth designed for crushing small sea creatures.

Researchers named the latest ancient shark discovery Macadens olsoni, as a tribute to both the Mammoth Cave and Rickard Olson ...

MAMMOTH CAVE, Ky. — A new-to-science species of ancient shark was recently discovered in Mammoth Cave National Park in ...

The fossilized tooth of a newly discovered ancient shark species – dating back about 340 million years – has been unearthed ...

The National Park Service has announced another ancient shark discovery at Mammoth Cave in Kentucky. The latest find, named ...

A new species of ancient shark has been discovered at Mammoth Cave National Park in Kentucky, officials said.

A new species of ancient shark, named Macadens olsoni, has been discovered at Mammoth Cave National Park through fossil ...

Scientists have identified a new 335-million-year-old shark species, Macadens olsoni, under Mammoth Cave National Park—one of ...