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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
Source PublicationGEOLOGY
ISSN0091-7613
Volume36Issue:11Pages:867-870
Abstract

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
Language英语
WOS KeywordNeoproterozoic Doushantuo Formation ; South China ; Microbial Mats ; Animal Embryos ; Trace Fossils ; Evolution ; Guizhou ; Biotas ; Rangea ; Shale
Funding ProjectChinese 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 Research AreaGeology
WOS SubjectGeology
WOS IDWOS:000260753100009
Funding OrganizationChinese 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
PublisherGEOLOGICAL SOC AMER, INC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/142
Collection中国科学院南京地质古生物研究所
其他
Corresponding AuthorZhu, Maoyan (朱茂炎)
Affiliation1.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
Recommended Citation
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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