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 ...
Paleontologists at Mammoth Cave National Park have unearthed an ancient shark species previously unknown to science.
In the depths of the world's longest cave, researchers have uncovered the fossilized remains of a 340-million-year-old shark.