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Mammoth Cave National Park, shark

340-million-year-old 'nail tooth' shark found deep inside Mammoth Cave in Kentucky

Scientists have found ancient nail tooth shark fossils deep inside Mammoth Cave in Kentucky, revealing new information about a mysterious group of extinct predators.

New York Post · 3d

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.

Kansas City Star · 4d

‘Chipmunk shark’ lurked 340 million years ago. Its teeth were just found in Kentucky

A rendering of Clavusodens mcginnisi, or “McGinnis’ nail tooth,” an ancient shark that stalked the ocean floor 340 million years ago. Rendering courtesy of the National Park Service A shark ...

WDKY Lexington on MSN · 3d

Fossilized ‘Chipmunk Shark’ teeth discovered in Mammoth Cave rock layer

The Chipmunk Shark was believed to have swam along the ocean floor that is said to have covered much of central Kentucky during the Middle Mississippian period, officials claim.

4don MSN

Massive megalodon was even longer than scientists thought

Megalodon may have been up to 80 feet long, but the colossal extinct shark was also probably thinner than scientists ...

When Megalodon Bit Megalodon: Fossilized Teeth Show Signs Of Shark-On-Shark Damage

A small but fascinating collection of Megalodon teeth exhibit deep bite marks from other Megalodons, raising questions about ...

Natural History Museum%2c London1y

Shark evolution: a 450 million year timeline

The earliest shark-like teeth we have come from an Early Devonian (410-million ... The end of the Permian Period (252 million years ago) saw yet another mass extinction event, wiping out around ...

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Mammoth Cave National Park, shark

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