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.

Researchers have discovered a new-to-science species of ancient shark during an ongoing paleontological resource inventory at ...

The US National Park Service announced the identification of a new species of ancient shark, Clavusodens mcginnisi, discovered in Mammoth Cave National Park. The species name honors David McGinnis ...

In fact, it was the shape of their back teeth that lent themselves to the shark’s name: Clavusodens mcginnisi, or “McGinnis’ nail tooth.” “McGinnis” was included in honor of David ...

A rendering of Clavusodens mcginnisi, or “McGinnis’ nail tooth,” an ancient shark that stalked the ocean floor 340 million years ago. Rendering courtesy of the National Park Service A shark ...

The small shark named Clavusodens mcginnisi, or “McGinnis’ nail tooth,” is a new species of obruchevodid petalodont. Measuring only 3-4 inches in length, their small size allowed them to ...

In fact, it was the shape of their back teeth that lent themselves to the shark’s name: Clavusodens mcginnisi, or "McGinnis’ nail tooth." "McGinnis" was included in honor of David McGinnis, a retired ...