Scientists have found ancient nail tooth shark fossils deep inside Mammoth Cave in Kentucky, revealing new information about ...
The US National Park Service announced the identification of a new species of ancient shark, Clavusodens mcginnisi, ...
An ongoing Paleontological Resource Inventory discovered the new species, called Clavusodens mcginnisi, while collecting ...
It was identified from a collection of small fossilized teeth found within the Ste. Genevieve Formation, a layer of limestone ...