Look again, Peter, only 2 of those where mass extinctions of almost everything living at the time (global catastrophes). Most are of one or a group of related species. Also most of those took place over a very, very, long period of time.
P. J. Alling wrote: > Actually mass extinction events are a bit more common than that. > Wikipidia has a list of them. > > http://en.wikipedia.org/wiki/Extinction_event -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
