The fossil was found in the Ste. Genevieve Formation, which dates to approximately 335 to 340 million years ago. It was discovered by a combined team of scientists from the National Park Service ...

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

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

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

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

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

U.S. researchers discovered a new shark species in rock layers at Mammoth Cave National Park in Kentucky, the National Park Service reported. On October 11, which is National Fossil Day ...

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.

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

Researchers have found an ancient shark fossil in Kentucky’s Mammoth Cave, offering new insight into prehistoric marine ecosystems.

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