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 said.
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New 340-Million-Year-Old “Chipmunk Shark” Species Discovered In Mammoth Cave National Park
It was identified from a collection of small fossilized teeth found within the Ste. Genevieve Formation, a layer of limestone ...