An ongoing Paleontological Resource Inventory discovered the new species, called Clavusodens mcginnisi, while collecting fossil teeth deep inside a formation with the cave system.

Scientists have found ancient nail tooth shark fossils deep inside Mammoth Cave in Kentucky, revealing new information about a mysterious group of extinct predators.

The Chipmunk Shark was believed to have swam along the ocean floor that is said to have covered much of central Kentucky during the Middle Mississippian period, officials claim.