The US National Park ... shark, Clavusodens mcginnisi, discovered in Mammoth Cave National Park. The species name honors David McGinnis for his leadership in paleontological resource stewardship.

The fossilized remains of a newly discovered ancient shark ... Park reveal not the sharp, pointy gnashers you’d associate with Hollywood’s Jaws, but chisel and “molar-like” teeth.

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 ...

MAMMOTH CAVE, Ky. — A new-to-science species of ancient shark was recently discovered in Mammoth Cave National Park in Kentucky. The small shark named Clavusodens mcginnisi, or “McGinnis ...