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

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

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

The Macadens olsoni fossils were found in the Ste. Genevieve Formation, which dates back approximately 340 to 335 million ...

Many visitors expect to see stalactites and stalagmites galore in Mammoth Cave but are surprised when they don't see many of ...

A 340-million-year-old shark species has been identified through a fossilized tooth found in Mammoth Cave National Park, ...

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

The species, Macadens olsoni, was found in the Ste. Genevieve Formation, rock layers dating back roughly 335 to 340 million ...

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

JULY 30: Back to School Splash at New Life Church, 1423 Scottsville Road, Bowling Green, KY from 6:30 pm – 8:30 pm. Back to ...

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