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

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

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

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

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

Scientists have uncovered a previously unknown species of extinct shark deep within the labyrinth of Mammoth Cave in Kentucky — the world’s longest known cave system. The species, named Macadens ...

Expressing his astonishment at the diverse array of sharks encountered during the exploratory ventures within Mammoth Cave, ...

Researchers have uncovered the ancient fossil remains of a small prehistoric shark deep inside Mammoth Cave in Kentucky, USA, the world’s longest known cave system. The species, identified as ...

Mammoth Cave National Park is trying to lure tourists by quoting testimonials from some of the more than 550,000 visitors who check out the world’s longest cave system in Kentucky each year.

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

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