Eight-armed Ediacara fossil preserved in contrasting taphonomic windows from China and Australia
Zhu, Maoyan (朱茂炎)1; Gehling, James G.2; Xia, Shuhai3; Zhao, Yuanlong4; Droser, Mary L.5
2008-11-01
发表期刊GEOLOGY
ISSN0091-7613
卷号36期号:11页码:867-870
摘要

We report the preservation of the eight-armed Ediacara fossil Eoandromeda octobrachiata as carbonaceous compressions in the Doushantuo black shale of south China and as casts and molds in the Rawnsley Quartzite in South Australia. The contrasting preservational styles in two taphonomic windows indicate that E. octobrachiata may have had a relatively recalcitrant organic integument, which rules out its close comparison with giant agglutinated foraminifers such as xenophyophores. Its octaradial symmetry and dextrally spiraling arms suggest that it may be a diploblastic-grade animal sharing some features with cnidarians and ctenophores, although its phylogenetic affinity remains open. It is the first and only unambiguously identified Ediacaran macrofossil that occurs in two drastically different taphonomic windows, thus bridging the conventional biological and taxonomic gaps between the Ediacara and Miaohe biotas, which collectively record the earliest known macroscopic and complex life.

DOI10.1130/G25203A.1
语种英语
关键词[WOS]Neoproterozoic Doushantuo Formation ; South China ; Microbial Mats ; Animal Embryos ; Trace Fossils ; Evolution ; Guizhou ; Biotas ; Rangea ; Shale
资助项目Chinese Academy of Sciences[KZCX03-SW-141] ; National Natural Science Foundation of China[40725005] ; Chinese Ministry of Science and Technology[2006CB806401] ; Australian Research Council Discovery Project ; National Science Foundation ; South Australia Museum Waterhouse Club
WOS研究方向Geology
WOS类目Geology
WOS记录号WOS:000260753100009
项目资助者Chinese Academy of Sciences ; National Natural Science Foundation of China ; Chinese Ministry of Science and Technology ; Australian Research Council Discovery Project ; National Science Foundation ; South Australia Museum Waterhouse Club
出版者GEOLOGICAL SOC AMER, INC
文献类型期刊论文
条目标识符http://ir.nigpas.ac.cn/handle/332004/142
专题中国科学院南京地质古生物研究所
其他
通讯作者Zhu, Maoyan (朱茂炎)
作者单位1.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, LPS, Nanjing 210008, Peoples R China
2.S Australian Museum, Adelaide, SA 5000, Australia
3.Virginia Polytech Inst & State Univ, Dept Geosci, Blacksburg, VA 24061 USA
4.Guizhou Univ, Coll Resource & Environm Engn, Guiyang 550003, Peoples R China
5.Univ Calif Riverside, Dept Earth Sci, Riverside, CA 92521 USA
推荐引用方式
GB/T 7714
Zhu, Maoyan ,Gehling, James G.,Xia, Shuhai,et al. Eight-armed Ediacara fossil preserved in contrasting taphonomic windows from China and Australia[J]. GEOLOGY,2008,36(11):867-870.
APA Zhu, Maoyan ,Gehling, James G.,Xia, Shuhai,Zhao, Yuanlong,&Droser, Mary L..(2008).Eight-armed Ediacara fossil preserved in contrasting taphonomic windows from China and Australia.GEOLOGY,36(11),867-870.
MLA Zhu, Maoyan ,et al."Eight-armed Ediacara fossil preserved in contrasting taphonomic windows from China and Australia".GEOLOGY 36.11(2008):867-870.
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