Ordovician chitinozoan diversification events in China

被引：16

作者：

Wang, XF ^{[1
]}

Chen, XH ^{[1
]}

机构：

[1] CGS, Ctr Stratig & Palaeontol, Yichang 443003, Peoples R China

来源：

SCIENCE IN CHINA SERIES D-EARTH SCIENCES | 2004年 / 47卷 / 10期

基金：

中国国家自然科学基金;

关键词：

chitinozoan; Ordovician; diversification event;

D O I：

10.1360/02yd0177

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Correlative study of the Ordovician chitinozoan biostratigraphy in China with graptolite and conodont biozones, and comprehensive analysis of the sequence- and event-stratigraphic indicated that 17 chitinozoan zones and 5 main chitinozoan diversification events subsequently occurring could be recognized in the Ordovician System of China. The 5 events comprise: event 1-appearance of the earliest Ordovician chitinozoans, event 2-appearance of C. symmetrica, event 3-juvenile radiation of chitinozoans, event 4-appearance of chitinozoans with high diversity, and event 5-development of chitinozoans of deep-water facies. The age and feature of each event and its relation with the sea-level change and other geological event are discussed.

引用

页码：874 / 879

页数：6

共 22 条

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