Early-Mid Ordovician brachiopod diversification in South China
Zhan, RB (詹仁斌); Rong, JY (戎嘉余); Cheng, JH (程金辉); Chen, PF
2005-05-01
发表期刊SCIENCE IN CHINA SERIES D-EARTH SCIENCES
ISSN1006-9313
卷号48期号:5页码:662-675
摘要

Affected by paleogeographic position, paleoclimatic condition and depositional environments, the increase of the Early-Mid Ordovician brachiopod diversity of South China commenced at the beginning of the Ordovician (early Tremadoc), accelerated from the Tetragraptus approximatus Biozone (base of Arenig), and reached its first acme in the Didymograptus eobifidus Biozone (mid early Arenig) when the number of brachiopod genera was over 7 times as great as that at the start of the Ordovician. This was the first radiation in the history of brachiopod macroevolution in South China, which occurred nearly 5 graptolitic biozones earlier than the global trend of the great Ordovician biodiversification (in the lower part of the Undulograptus austrodentatus Biozone). It is also characterized by (1) the origination or first occurrences of some major groups, such as the punctate dalmanelloids and the pseudopunctate strophomenoids including Plectambonitoidea (cardinal process simple or absent) and Strophomenoidea (cardinal process bilobed) in South China; (2) niche expansion, particularly in the first occupation of deeper water benthic regimes by the Euorthisina-Noctumellia Association developed at Houping, Chengkou, northern Chongqing; and (3) the differentiation of brachiopod faunas under different environmental conditions. The gradual and increasing separation from Gondwana may have been one of the factors responsible for the radiation in South China.

关键词Biodiversity Evolutionary Radiation Brachiopods Early-mid Ordovician South China
DOI10.1360/03yd0586
语种英语
关键词[WOS]Geography
WOS研究方向Geology
WOS类目Geosciences, Multidisciplinary
WOS记录号WOS:000230472800007
出版者SCIENCE PRESS
文献类型期刊论文
条目标识符http://ir.nigpas.ac.cn/handle/332004/665
专题中国科学院南京地质古生物研究所
其他
通讯作者Zhan, RB (詹仁斌)
作者单位Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Peoples R China
第一作者单位中国科学院南京地质古生物研究所
通讯作者单位中国科学院南京地质古生物研究所
推荐引用方式
GB/T 7714
Zhan, RB ,Rong, JY ,Cheng, JH ,et al. Early-Mid Ordovician brachiopod diversification in South China[J]. SCIENCE IN CHINA SERIES D-EARTH SCIENCES,2005,48(5):662-675.
APA Zhan, RB ,Rong, JY ,Cheng, JH ,&Chen, PF.(2005).Early-Mid Ordovician brachiopod diversification in South China.SCIENCE IN CHINA SERIES D-EARTH SCIENCES,48(5),662-675.
MLA Zhan, RB ,et al."Early-Mid Ordovician brachiopod diversification in South China".SCIENCE IN CHINA SERIES D-EARTH SCIENCES 48.5(2005):662-675.
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