Extinction 251 mil. years ago - 5 views
-
Anna Scott on 27 Nov 12It says there is no Wikipedia page with that title -
gracemasters on 01 Dec 12All Wikipedia pages are down. -
williammccormick on 02 Dec 12Here is the real link. http://en.wikipedia.org/wiki/Permian-Triassic_Extinction_Event This page talked about why the mass extinction happened. It was very resourceful.