Phenomena
Late Devonian Extinction
Stratigraphy
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A prolonged interval of elevated extinction spanning the Kellwasser event, around 372 million years ago near the Frasnian-Famennian boundary, and the Hangenberg event at the very end of the Devonian around 359 million years ago. Roughly 40 percent of marine species were lost, with reef-building organisms especially hard hit, amid widespread oceanic anoxia.
Facts
Magnitude or ScaleAround 40 percent of marine species went extinct; on a finer scale, 57 percent of genera and at least 75 percent of species did not survive into the Carboniferous. 1 LocationGlobal, with the heaviest losses among tropical reef ecosystems. 1 Cross-Tradition Connections
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