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

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

It belonged to a group of sharks known as obruchevodid petalodonts, or chipmunk sharks, because of their tiny size and unusual teeth. The shark's back teeth had flat crowns and long bases ...

A shark no larger than a human hand that stalked the ancient sea floor 340 million years ago has been dubbed the “chipmunk shark” by researchers who found its fossils in Kentucky.

The Chipmunk Shark was believed to have swam along the ocean floor that is said to have covered much of central Kentucky ...

An ongoing Paleontological Resource Inventory discovered the new species, called Clavusodens mcginnisi, while collecting ...

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

Rendering courtesy of the National Park Service A shark no larger than a human hand that stalked the ancient sea floor 340 million years ago has been dubbed the “chipmunk shark” by researchers ...

Members of the obruchevodid petalodont species are nicknamed "chipmunk sharks" because of their small size and chisel-like front teeth and crushing back teeth.The sharks only measured 3-4 inches ...

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 ...