NPCA shares the latest archaeological discovery at Mammoth Cave National Park, which has a pretty fascinating human history, too.

The new species of obruchevodid petalodont, called Clavusodens mcginnisi, or “McGinnis nail tooth,” was identified through a number of fossil teeth located in the Ste. Genevieve Formation ...

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, ...

A newly discovered fossil shark species found in Mammoth Cave National Park has been named after a Franklin resident, ...

The discovery was announced March 10. They named the newly discovered species Clavusodens mcginnisi, or “McGinnis’ nail tooth,” after retired National Park Service superintendent and ...

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 ...

Scientifically named Clavusodens mcginnisi, the shark measured only 8-10 cm (3-4 inches) in length. “Clavusodens mcginnisi’s name is derived from the shark’s back teeth which superficially look like ...

Deep within Mammoth Cave, the world’s longest cave system, paleontologists have uncovered the remains of a never-before-seen species of ancient shark. Named Clavusodens mcginnisi, or McGinnis’ nail ...

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 ...

McGinnis' nail tooth (Clavusodens mcginnisi) depicted hunting a crustation in a reef-like crinoidal forest during the Carboniferous period. (Image credit: NPS Illustration / Benji Paysnoe) ...