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A tale of three taphonomic modes: The Ediacaran fossil Flabellophyton preserved in limestone, black shale, and sandstone
Wan, Bin1,2,3; Chen, Zhe1,2,3; Yuan, Xunlai1,2,3; Pang, Ke1,2,3; Tang, Qing4; Guan, Chengguo1,2; Wang, Xiaopeng1,2,5; Pandey, S. K.6; Droser, Mary L.7; Xiao, Shuhai4
2020-08-01
Source PublicationGONDWANA RESEARCH
ISSN1342-937X
Volume84Pages:296-314
Abstract

Ediacaran macrofossils are typically preserved in three taphonomic modes: casts/molds in siliciclastic rocks, casts/molds in carbonate rocks, and carbonaceous compressions in black shales. Only a few taxa are known to be preserved in more than one of these taphonomic modes. Flabellophyton is a genus that has been previously reported from lower Ediacaran black shale of the Lantian Formation (635-551 Ma) in South China and upper Ediacaran sandstone of the Ediacara Member (560-550 Ma) in South Australia. Here we report Flabellophyton from upper Ediacaran limestone of the Shibantan Member of the Dengying Formation (551-539 Ma) in South China, making Flabellophyton the only genus that occurs in all three taphonomic modes. We also provide a systematic description of Flabellophyton based on material from the Lantian and Dengying formations in South China, recognizing three morphospecies-F. lantianense, F. typicum sp. nov., and F. obesum sp. nov. Flabellophyton is reconstructed as an erect epibenthic marine organism attached to sandy, carbonate, and muddy substrates. Its phylogenetic affinity remains ambiguous though it was historically interpreted as an algal fossil. The wide environmental and stratigraphic distribution of Flabellophyton allow comparative taphonomic and paleoecological analysis. Taphonomic analysis of Flabellophyton indicates that multiple taphonomic pathways can facilitate the preservation of Ediacaran macrofossils. As a window into Ediacaran paleoecology, Flabellophyton and other Ediacaran fossils played a crucial role in the construction of epibenthic communities in Ediacaran oceans, and helps to understand the ecological migration and evolutionary expansion from deeper to shallower oceans during the Ediacaran Period. (C) 2020 International Association for Gondwana Research. Published by Elsevier B.V. All rights reserved.

KeywordFlabellophyton Ediacaran Period Lantian Formation Dengying Formation South China
DOI10.1016/j.gr.2020.04.003
Indexed BySCI
Language英语
WOS KeywordCAMBRIAN HETANG FORMATION ; YANGTZE GORGES AREA ; NEOPROTEROZOIC DOUSHANTUO FORMATION ; PROBLEMATIC ANIMAL FOSSIL ; SOUTH CHINA ; DENGYING FORMATION ; LANTIAN FORMATION ; MICROBIAL MATS ; EXCEPTIONAL PRESERVATION ; YANJIAHE FORMATION
Funding ProjectNational Natural Science Foundation of China[41972005] ; National Natural Science Foundation of China[41921002] ; Chinese Academy of Sciences[XDB26000000] ; Chinese Academy of Sciences[QYZDJ-SSW-DQC009] ; Chinese Academy of Sciences[PIFI 2016VEC003] ; National Geographic Society[9564-14]
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000542985400018
Funding OrganizationNational Natural Science Foundation of China ; Chinese Academy of Sciences ; National Geographic Society
PublisherELSEVIER
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/32060
Collection中国科学院南京地质古生物研究所
Corresponding AuthorXiao, Shuhai
Affiliation1.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Peoples R China
2.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Nanjing 210008, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Virginia Tech, Dept Geosci, Blacksburg, VA 24061 USA
5.Univ Sci & Technol China, Hefei 230026, Peoples R China
6.Birbal Sahni Inst Palaeosci, Lucknow 226007, Uttar Pradesh, India
7.Univ Calif Riverside, Dept Earth Sci, 900 Univ Ave, Riverside, CA 92521 USA
First Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Recommended Citation
GB/T 7714
Wan, Bin,Chen, Zhe,Yuan, Xunlai,et al. A tale of three taphonomic modes: The Ediacaran fossil Flabellophyton preserved in limestone, black shale, and sandstone[J]. GONDWANA RESEARCH,2020,84:296-314.
APA Wan, Bin.,Chen, Zhe.,Yuan, Xunlai.,Pang, Ke.,Tang, Qing.,...&Xiao, Shuhai.(2020).A tale of three taphonomic modes: The Ediacaran fossil Flabellophyton preserved in limestone, black shale, and sandstone.GONDWANA RESEARCH,84,296-314.
MLA Wan, Bin,et al."A tale of three taphonomic modes: The Ediacaran fossil Flabellophyton preserved in limestone, black shale, and sandstone".GONDWANA RESEARCH 84(2020):296-314.
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