A professional technical paper discussing whether the Late Devonian (Frasnian-Famennian) mass extin...
Covers patterns and periodicity of extinction, with discussions of major mass extinctions and minor...
Article by Vaclav Petr discussing the possible causes of extinctions.
Article on a paper by David Raup and John Sepkoski, two respected paleontologists, making the remar...
Paper by David M Raup, Department of Geophysical Sciences, University of Chicago.
Paper by J. A. Marusek. A dual cycle of extinction events is observed and well ordered in geologica...