
Mammoth cave mystery: Two new sea monsters resurface after 325 million years in the world’s largest cave |
Source: National Park Service Deep beneath the rolling hills of Kentucky, in the extensive labyrinth of Mammoth Cave National Park, scientists have made an extraordinary discovery. Fossilised remains of two previously unknown prehistoric shark species, Troglocladodus trimblei and Glikmanius careforum, were uncovered, preserved in limestone for over 325 million years. These ancient predators provide a…