Of the 31 extinctions (give or take) that life has faced, you may have only been taught in school about the kt event, aka the extinction that took out the dinosaurs. And you might've been led to believe that it was the worst day for life ever... you've been lied too.

Before the killer whale, or the barracuda, or even the great white, there was the king of lizards, or rather a whale, that looked more like a mosasaur or snake than any whale you or me is familiar with.