CREO's mission is to foster an improved understanding of species' extinctions that have occurred in recent times.

An overview of extinction, and information about individual species that have become extinct.

Synopsis.

A brief discussion of mass extinctions, and information about the Vendian Mass Extinction and Mass Extinctions of the Phanerozoic. (Precambrian, Cambrian, Ordovician, Devonian, Permian, End-Cretaceous, and Holocene.

Extinction You are visitor number since 18 June 1999 These are lecture notes from an experimental non-majors biology class taught in 1995 by Bruce Walsh, University of Arizona. Other lectures of potential interest: Origins of life Cosmic impacts and life on Earth Genetics class lecture notes Extinction 99.9&#37 of all species have become extinct Without extinction, we would not be here Mass ...