为末大
- 网络Dai Tamesue
为末大
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它被称为二叠纪末大灭绝,2亿5千2百万年前96%的水生及70%的陆生生物全部惨遭灭绝。
What 's called the End Permian extinction , 252 million years ago , wiped out 96 percent of aquatic species and 70 percent of species on land .
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有关这些方面的研究成果无疑为认识二叠纪末生物大灭绝后的海洋条件提供了重要的事实依据。
These provide important evidences for marine environment after the end-Permian mass extinction .