Climatic Events, Elsevier, 2005. External links Late Devonian mass extinctions at The Devonian Times. An excellent overview. Devonian Mass Extinction BBC "The Extinction files" "The Late Devonian Extinction" "Understanding Late Devonian and Permian-Triassic Biotic and Climatic Events: Towards an Integrated Approach": a Geological Society of America conference in 2003 reflects current approaches PBS: Deep Time Extinction events History of climate variability and change Devonian events