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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.

Mar 12, 2025 - 14:30
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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.
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