Robloxian Extinction

The Robloxian Extinction occured 700 million years ago. It leaded to an extinction to 99% robloxian species that existed that time. Robloxian Dinosaurs didn't exist that time. They existed 470 million years ago and yes, an asteroid wiped out the Robloxians dinosaurs 170 million years later. If you wanna see more information, its the link down there.

Lists of survivors in the Robloxian Extinction