Prehistoric giant shark discovered 290 million years ago in Yangquan, Shanxi--Seetao

Shocking 439-Million-Year-Old “Shark” Forces Scientists To Rethink the Timeline of Evolution

A New Species Of Massive Prehistoric Shark Has Been Discovered

Shocking 439-Million-Year-Old “Shark” Forces Scientists To Rethink the Timeline of Evolution

For the Belt and Road--Seetao

400-year-old Greenland shark 'longest-living vertebrate' - BBC News

Megalodon: the truth about the largest shark that ever lived

Ancient Sharks Appeared Much Earlier

Ancient Nursery Area for the Extinct Giant Shark Megalodon from the Miocene of Panama

All About the Megalodon, Shark Giant of Prehistoric Times

Ancient Nursery Area for the Extinct Giant Shark Megalodon from the Miocene of Panama