The fossilized remains of a newly discovered ancient shark species found in the depths of Kentucky’s Mammoth Cave National Park reveal not the sharp, pointy gnashers you’d associate with Hollywood’s ...

In the depths of the world's longest cave, researchers have uncovered the fossilized remains of a 340-million-year-old shark.

Cave Specialist Rick Toomey helped discover the fossil. The new shark species, Clavusodens mcginnisi, is nicknamed “chipmunk shark” for its small size, chisel-like front teeth and crushing back teeth, ...