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

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

Researchers have detected a 350-million-year-old shark fossil that lived in the Mammoth Cave System when it was submerged in a shallow sea.

A team of scientists discovered a new species of shark preserved in the walls of Mammoth Cave, an underwater cave system ...

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

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

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

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

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

The new species is just one in a whole treasure trove of ancient sharks that have been uncovered within the world’s longest ...

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