* 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* Animal Armageddon episode 2 hell on Earth is about the Late Devonian Extinction
* 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* - .