This small predator, named Clavusodens mcginnisi, intrigues with its modest size and nail-shaped teeth, remnants of a now-vanished marine ecosystem. Depiction of a male and female Clavusodens (4 ...

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 ...

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 ...

It's called Clavusodens mcginnisi.Here are two other recent new shark discoveries found in Mammoth Cave.The shark is a species of obruchevodid petalodont.The "mcginnis" part of the name is from ...

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 ...

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 ...

What kind of creatures were kicking about in the oceans 340 million years ago? We’ve now got a slightly clearer picture thanks to the discovery of a small but mighty ancient shark species found ...