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

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

A newly identified ancient shark species, Macadens olsoni, has been at Mammoth Cave National Park. The National Park Service ...

Rare fossils from Kentucky’s Mammoth Cave have unveiled three never-before-seen prehistoric sharks, revealing a lost tropical ...

National Park Service researchers have identified a previously unknown shark species in the limestone walls of Mammoth Cave, ...

The ancient shark species, known as Macadens olsoni, “is notable for its unique tooth whorl, a curved row of teeth designed ...

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

A groundbreaking discovery in Mammoth Cave reveals a new species of ancient shark, offering a glimpse into the diverse marine ...

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.