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end-Guadalupian extinction
释义
end-Guadalupian extinction
Encyclopedia
理学
前乐平世事件
释
pre-Lopingian crisis;end-Guadalupian extinction
前乐平世事件
发生在二叠纪晚期约2.6亿年以前的生物灭绝事件。又称瓜达鲁普世末灭绝事件。
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simultaneous congruences
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