BASAL CAMBRIAN MICROFOSSILS FROM THE YANGTZE GORGES AREA (SOUTH CHINA) AND THE AKSU AREA (TARIM BLOCK, NORTHWESTERN CHINA)
Dong, Lin1; Xiao, Shuhai1; Shen, Bing1; Zhou, Chuanming (周传明)2; Li, Guoxiang (李国祥)2; Yao, Jinxian3
2009
发表期刊JOURNAL OF PALEONTOLOGY
ISSN0022-3360
卷号83期号:1页码:30-44
摘要

The basal Cambrian marks the beginning of an important chapter in the history of life. However, most paleontological work on the basal Cambrian has been focused on skeletal animal fossils, and our knowledge about the primary producers-cyanobacteria and eukaryotic phytoplankton acritarchs)-is limited. In this research. we have investigated basal Cambrian acritarchs. coccoidal microfossils. and cyanobacteria preserved in phosphorites and cherts of the Yanjiahe Formation in the Yangtze Gorges area (South China) and the Yurtus Formation in the Aksu area (Tarim Block, northwestern China). Our study confirms the occurrence in these two formations of small acanthomorphic acritarchs characteristic of the basal Cambrian Asteridium-Comasphaeridium-Heliosphaeridium (ACH) assemblage. These acritarchs include abundant Heliosphaeridium ampliatum (Wang, 1985) Yao et al., 2005. common Yurtusia uniformis n. gen. and n. sp., and rare Comasphaeridium annulare (Wang, 1985) Yao et al. 2005. In addition, these basal Cambrian successions also contain the clustered coccoidal microfossil Archaeophycus yunnanensis (Song, in Luo et al.. 1982) n. comb.. several filamentous cyanobacteria [Cyanonema majus n. sp., Oscillatoriopsis longa Timofeev and Hermann, 1979, and Siphonophycus robustum (Schopf, 1968) Knoll et al., 1991], and the tabulate tubular microfossil Megathrix longus L. Yin, 1987a. n. emend. Some of these taxa (e.g., H. ampliatum, C annulare, and M. longus) have a wide geographic distribution but occur exclusively in basal Cambrian successions, supporting their biostratigraphic importance. Comparison between the stratigraphic occurrences of microfossils reported here and skeletal animal fossils published by others suggests that animals and phytoplankton radiated in tandem during the Cambrian explosion.

语种英语
关键词[WOS]Doushantuo Formation ; Biostratigraphic Correlation ; Eukaryotic Organisms ; Fossil Record ; West China ; Acritarchs ; Xinjiang ; Coeloscleritophorans ; Diversification ; Phytoplankton
资助项目NASA[NNG05GP21G] ; National Natural Science Foundation of China[40602001] ; National Natural Science Foundation of China[40572006] ; National Natural Science Foundation of China[40628002] ; National Science Foundation[EAR 0745827] ; Chinese Ministry of Science and Technology[2006CB806400] ; Chinese Academy of Sciences[KZCX3-SW-141]
WOS研究方向Paleontology
WOS类目Paleontology
WOS记录号WOS:000262557700003
项目资助者NASA ; National Natural Science Foundation of China ; National Science Foundation ; Chinese Ministry of Science and Technology ; Chinese Academy of Sciences
出版者PALEONTOLOGICAL SOC INC
文献类型期刊论文
条目标识符http://ir.nigpas.ac.cn/handle/332004/245
专题中国科学院南京地质古生物研究所
其他
通讯作者Dong, Lin
作者单位1.Virginia Polytech Inst & State Univ, Dept Geosci, Blacksburg, VA 24061 USA
2.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Paleobiol & Stratig, Nanjing 210008, Peoples R China
3.Peking Univ, Coll Life Sci, Beijing 100871, Peoples R China
推荐引用方式
GB/T 7714
Dong, Lin,Xiao, Shuhai,Shen, Bing,et al. BASAL CAMBRIAN MICROFOSSILS FROM THE YANGTZE GORGES AREA (SOUTH CHINA) AND THE AKSU AREA (TARIM BLOCK, NORTHWESTERN CHINA)[J]. JOURNAL OF PALEONTOLOGY,2009,83(1):30-44.
APA Dong, Lin,Xiao, Shuhai,Shen, Bing,Zhou, Chuanming ,Li, Guoxiang ,&Yao, Jinxian.(2009).BASAL CAMBRIAN MICROFOSSILS FROM THE YANGTZE GORGES AREA (SOUTH CHINA) AND THE AKSU AREA (TARIM BLOCK, NORTHWESTERN CHINA).JOURNAL OF PALEONTOLOGY,83(1),30-44.
MLA Dong, Lin,et al."BASAL CAMBRIAN MICROFOSSILS FROM THE YANGTZE GORGES AREA (SOUTH CHINA) AND THE AKSU AREA (TARIM BLOCK, NORTHWESTERN CHINA)".JOURNAL OF PALEONTOLOGY 83.1(2009):30-44.
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