The Lopingian Series of China and End-Permian Mass Extinction

The end-Permian mass extinction is the greatest bioevent in the geological history, which wiped out nearly 95％ of the marine species and 75％ of the terrestrial species,followed by a biological winter for more than five million years.The cause and the process of the end-Permian mass extinction remain an unsolved mystery in earth science and one of the most difficult and interesting scientific problems.