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

Paleontologists at Mammoth Cave National Park have unearthed an ancient shark species previously unknown to science.

A shark no larger than a human hand that stalked the ancient sea floor 340 million years ago has been dubbed the “chipmunk ...

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 ...

Scientists have found ancient nail tooth shark fossils deep inside Mammoth Cave in Kentucky, revealing new information about ...

It was identified from a collection of small fossilized teeth found within the Ste. Genevieve Formation, a layer of limestone ...

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 ...

A new species of shark has been discovered a Mammoth Cave National Park, where fossil records have revealed more than 70 ...

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 ...

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 ...

Skeletal reconstruction and tooth arrangement of Netsepoye from the Late Mississippian of Montana. Teeth are arranged as if ...