期刊
GEOLOGY
卷 39, 期 8, 页码 739-742出版社
GEOLOGICAL SOC AMER, INC
DOI: 10.1130/G32191.1
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资金
- National Natural Science Foundation of China [40830212, 40730209, 40921062]
- 973 Program (National Basic Research Program) [2011CB808800]
- 111 Project [B08030]
- Australian Research Council [DP0770938]
- Australian Research Council [DP0770938] Funding Source: Australian Research Council
High-resolution sampling of more than 10,000 microfossils from seven Late Permian-Middle Triassic paleoequatorial sections in south China refutes claims for a 5 m.y. recovery delay after the end-Permian mass extinction. We show that level-bottom seafloor diversity began to recover in the early Smithian, little more than 1 m.y. after the mass extinction, while recovery of reef-building metazoans began 4 m.y. later, in the Anisian. A further mass extinction in the late Smithian, identified in the pelagic fossil record, is weakly manifest as a temporary pause in diversification among benthic communities. In the Early Triassic of south China, the offshore diversity increase began before then, in shallower settings. The recovery from the end-Permian mass extinction in south China was therefore significantly more rapid and environmentally more complex than hitherto known.
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