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Quantifying the global biodiversity of Proterozoic eukaryotes
Science ( IF 44.7 ) Pub Date : 2024-12-19 , DOI: 10.1126/science.adm9137 Qing Tang, Wentao Zheng, Shuhan Zhang, Junxuan Fan, Leigh Anne Riedman, Xudong Hou, A. D. Muscente, Natalia Bykova, Peter M. Sadler, Xiangdong Wang, Feifei Zhang, Xunlai Yuan, Chuanming Zhou, Bin Wan, Ke Pang, Qing Ouyang, N. Ryan McKenzie, Guochun Zhao, Shuzhong Shen, Shuhai Xiao
Science ( IF 44.7 ) Pub Date : 2024-12-19 , DOI: 10.1126/science.adm9137 Qing Tang, Wentao Zheng, Shuhan Zhang, Junxuan Fan, Leigh Anne Riedman, Xudong Hou, A. D. Muscente, Natalia Bykova, Peter M. Sadler, Xiangdong Wang, Feifei Zhang, Xunlai Yuan, Chuanming Zhou, Bin Wan, Ke Pang, Qing Ouyang, N. Ryan McKenzie, Guochun Zhao, Shuzhong Shen, Shuhai Xiao
The global diversity of Proterozoic eukaryote fossils is poorly quantified despite its fundamental importance to the understanding of macroevolutionary patterns and dynamics on the early Earth. Here we report a new construction of fossil eukaryote diversity from the Paleoproterozoic to early Cambrian based on a comprehensive data compilation and quantitative analyses. The resulting taxonomic richness curve verifies Cryogenian glaciations as a major divide that separates the “Boring Billion” and Ediacaran periods, with the former characterized by a prolonged stasis, and the latter by greater diversity, more-rapid turnover, and multiple radiations and extinctions. These contrasting evolutionary patterns and dynamics provide a framework to test competing hypotheses on biosphere and geosphere coevolution in the Proterozoic Eon.
更新日期：2024-12-19
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