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Permian-Triassic
See also:
- The Permian Mass Extinction - - Discusses the geologic setting, possible causes, and taxa affected by the extinction event at the end of the Paleozoic.
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- Permian-Triassic Extinction - - Short video showing rock layers being laid down during the Permian and Triassic periods, and background information on the mass extinctions that occurred at this time.
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- The Permian-Triassic Extinction - - Article by Andrew Alden proposing that new evidence and old, both support a volcanic explanation for this mass extinction when nine tenths of all species disappeared.
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- The Permo-Triassic Extinction - - Information on the biggest extinction known to man with a paleontological overview, evidence for the extinction, the groups concerned and the possible causes of the devastation.
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- Big Crater Seen beneath Ice Sheet - - The BBC provides news that what appears to be a 480km-wide crater has been detected under the East Antarctic Ice Sheet and may have been responsible for the extinction at the boundary of the Permian and Triassic. (June 3, 2006)
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- Great Extinction Came in Phases - - BBC News describes how Chinese rock evidence suggests that the biggest of the Earth's mass extinctions did not happen in one cataclysmic event. (April 1, 2005)
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