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Date: 2015-04-01 23:39:50Extinction events Planetary science Climate history Impact events Evolutionary biology Permian–Triassic extinction event Triassic–Jurassic extinction event Late Devonian extinction Cretaceous–Tertiary extinction event Geologic time scale Phanerozoic Historical geology | Extinction Event FactsheetDocument is deleted from original location. Download Document from Web Archive |