Sharks in Kentucky? Scientists make significant discovery in Mammoth Cave - WDRB
- Sharks in Kentucky? Scientists make significant discovery in Mammoth Cave WDRB
- Scientists have found a 330-million-year-old shark's head fossilized in a Kentucky cave CNN
- Sharks in Kentucky? What explorers found in Mammoth Cave is blowing researchers' minds msnNOW
- Remnants of shark from 330 million years ago found in a Kentucky cave CNET
- Rare shark fossils found in Mammoth Cave WKRN News 2
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