Learn about the time period that took place 251 to 199 million ... all the Earth's landmasses had coalesced to form Pangaea, a supercontinent shaped like a giant C that straddled the Equator ...

Then 252 million years ago came the Permian-Triassic extinction ... About 200 million years ago, during a period known as the Triassic-Jurassic boundary, Pangaea started to crack.

The Permian period’s mass extinction had wiped out ... Most scientists believe the Triassic period ended when Pangaea started to break apart. This resulted in huge and widespread volcanic ...

The End-Permian mass extinction killed an estimated 80% of life on Earth, but new research suggests that plants might have done okay.