World's longest cave reveals tiny 'Chipmunk Shark' species with iron nail-like teeth
The US National Park Service announced the identification of a new species of ancient shark, Clavusodens mcginnisi, ...
New York Post9 天
Ancient tiny shark species discovered at Mammoth Cave National Park
A tiny shark species dating back hundreds of millions of years has been identified at Mammoth Cave National Park in Kentucky, the National Park Service announced Monday. The identification was made ...