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The double mass extinction revisited: reassessing the severity, selectivity, and causes of the end-Guadalupian biotic crisis (Late Permian) 期刊论文
PALEOBIOLOGY, 2009, 卷号: 35, 期号: 1, 页码: 32-50
Authors:  Clapham, Matthew E.;  Shen, Shuzhong (沈树忠);  Bottjer, David J.
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Quantitative evaluation of the biostratigraphic distribution of acanthomorphic acritarchs in the Ediacaran Doushantuo Formation in the Yangtze Gorges area, South China 期刊论文
PRECAMBRIAN RESEARCH, 2009, 卷号: 173, 期号: 1-4, 页码: 170-190
Authors:  McFadden, Kathleen A.;  Xiao, Shuhai;  Zhou, Chuanming (周传明);  Kowalewski, Michal
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Ediacaran  Doushantuo Formation  South China  Acritarchs  Multivariate Analysis