Comparative analysis of the end-Permian and end-Ordovician brachiopod mass extinctions and survivals in South China
Rong, JY (戎嘉余); Shen, SZ (沈树忠)
2002-12-01
发表期刊PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
ISSN0031-0182
卷号188期号:1-2页码:25-38
摘要

A comparative study of the pattern of brachiopod extinction, survival and recovery in the end-Ordovician and end-Permian mass extinctions reveals a variety of patterns, magnitudes and intensities in South China. The presence of many survivors and the absence of any ordinal extinction of brachiopods across the Ordovician-Silurian transition indicates a close taxonomic and ecological relationship of pre- and post-extinction brachiopod associations. Brachiopods recovered rapidly in Late Rhuddanian (Early Silurian) after a short survival period. The taxonomic composition, biodiversity and ecological levels in the radiation period largely mirror those prior to the end-Ordovician extinction. In contrast, elimination of four major brachiopod orders, 20 superfamilies and almost all Permian-type genera after a short survival interval in the early Griesbachian and the absence of survival, Lazarus and progenitor genera suggest a great revolutionary turnover between Late Permian and Triassic brachiopod associations. Brachiopods underwent a long bleak interval from late Griesbachian to the beginning of the Middle Triassic. The brachiopod groups in the Anisian (Middle Triassic) recovery-radiation period are taxonomically linked to those in the Permian only at family or higher levels. Therefore, the taxonomic and paleoecological effects of the end-Ordovician extinction were of a lesser magnitude than for the end-Permian extinction of Brachiopoda in South China. (C) 2002 Elsevier Science B.V. All rights reserved.

关键词End-permian End-ordovician Brachiopods Mass Extinction South China
语种英语
关键词[WOS]Global Stratotype Section ; Triassic Boundary ; Recoveries ; Glaciation ; Lessons ; Region ; Faunas ; Record ; Point
WOS研究方向Physical Geography ; Geology ; Paleontology
WOS类目Geography, Physical ; Geosciences, Multidisciplinary ; Paleontology
WOS记录号WOS:000179263600002
出版者ELSEVIER SCIENCE BV
文献类型期刊论文
条目标识符http://ir.nigpas.ac.cn/handle/332004/1110
专题中国科学院南京地质古生物研究所
其他
通讯作者Rong, JY (戎嘉余)
作者单位Chinese Acad Sci, State Key Lab Palaeobiol & Strat, Nanjing Inst Geol & Palaeontol, Nanjing 210008, Peoples R China
推荐引用方式
GB/T 7714
Rong, JY ,Shen, SZ . Comparative analysis of the end-Permian and end-Ordovician brachiopod mass extinctions and survivals in South China[J]. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,2002,188(1-2):25-38.
APA Rong, JY ,&Shen, SZ .(2002).Comparative analysis of the end-Permian and end-Ordovician brachiopod mass extinctions and survivals in South China.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,188(1-2),25-38.
MLA Rong, JY ,et al."Comparative analysis of the end-Permian and end-Ordovician brachiopod mass extinctions and survivals in South China".PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 188.1-2(2002):25-38.
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