Scientists have found ancient nail tooth shark fossils deep inside Mammoth Cave in Kentucky, revealing new information about ...

Clavusodens mcginnisi, or McGinnis's nail-tooth, was found fossilized in Mammoth Cave, the world's longest cave system. The fossilized teeth were discovered in the Ste. Genevieve Formation, a layer of ...

A shark no larger than a human hand that stalked the ancient sea floor 340 million years ago has been dubbed the “chipmunk ...

An ongoing Paleontological Resource Inventory discovered the new species, called Clavusodens mcginnisi, while collecting ...

A tiny shark species dating back hundreds of millions of years has been identified at Mammoth Cave National Park in Kentucky, the National Park Service said.

Paleontologists at Mammoth Cave National Park have unearthed an ancient shark species previously unknown to science.

A new species of shark has been discovered a Mammoth Cave National Park, where fossil records have revealed more than 70 ...

MAMMOTH CAVE, Ky. (WBKO) – Fossils from a previously unknown species of shark have been unearthed at Mammoth Cave National Park, shedding new light on ancient marine life.

McGinnis' nail tooth (Clavusodens mcginnisi) depicted hunting a crustation in a reef-like crinoidal forest during the Carboniferous period. | Credit: NPS Illustration / Benji Paysnoe Researchers ...

It was identified from a collection of small fossilized teeth found within the Ste. Genevieve Formation, a layer of limestone ...