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

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

A newly identified species of ancient shark has been discovered at Mammoth Cave National Park, marking another significant ...

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

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

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

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, ...

kentucky since 1981. hey, you have to have a sense of humor. and i respect this here. kentucky’s only national park is having fun now with a recent study that ranked it among the country’s ...

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

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