
Buried for 325 million years, two new marine monsters leave the depths of the world’s largest cave
In black corridors of tone of Mammoth Cave National Parkdeeply under the wavy hills of Kentucky, scientists have discovered something surprising: the fossilized remains of two never seen before prehistoric shark species. Limestone More than 325 million yearsThese old predators have resurfaced with a surprising level of preservation, opening a rare window to marine life…