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
I've saved that for future reading. (As tho' I needed any extra material to read!) That is a very interesting site, and typical of Wikipedia, provides so many key words and phrases for deeper study... Thanks for digging it up! keith whaley -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
