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New insights on the palaeobiology and biostratigraphy of the acritarch Trachyhystrichosphaera aimika: A potential late Mesoproterozoic to Tonian index fossil
Pang, Ke (庞科)1,2,3; Tang, Qing (唐卿)4,5; Wan, Bin (万斌)1,2; Yuan, Xun-Lai (袁训来)1,2,3,6
2020-09-01
发表期刊PALAEOWORLD
ISSN1871-174X
卷号29期号:3页码:476-489
摘要

The late Mesoproterozoic to Tonian (similar to 1100 Ma to similar to 720 Ma) witnessed a critical evolutionary transition in Earth history. Several fossil taxa, including acritarchs and vase-shaped microfossils, have been suggested as potential diagnostic fossils for this time interval. The acanthomorphic acritarch Trachyhystrichosphaera aimika has become a focus of recent biostratigraphic investigations, showing great potential to assist the definition of the Tonian Global Boundary Stratotype Section and Point (GSSP). Although T. aimika has been extensively reported in the Proterozoic sequences, little is known about its phylogenetic interpretation. Its palaeogeographic and stratigraphic distributions need to be critically scrutinized with recently emended diagnosis of the taxon and new published age constraints. In this study, we report new palaeobiological data of T. aimika specimens from the Tonian Liulaobei Formation in the Huainan region, North China, using transmitted light microscopy, scanning electron microscopy, transmission electron microscopy, and Raman spectroscopy. Our analyses reveal a multilayered ultrastructure from the vesicle wall of T. aimika that has experienced advanced diagenesis to low-grade metamorphism with the peak palaeotemperature of similar to 212 degrees C. In addition, a compilation of palaeogeographic occurrences of T. aitnika shows the taxon is preserved in a wide range of palaeoenvironments and has a broad palaeogeographic distribution with a relatively limited stratigraphic range from similar to 1150 Ma to similar to 720 Ma, suggesting that T. aimika has great potential to become an index fossil for the late Mesoproterozoic to Tonian interval. (C) 2020 Elsevier B.V. and Nanjing Institute of Geology and Palaeontology, CAS. All rights reserved.

关键词Late Mesoproterozoic Tonian Liulaobei Formation Ultrastructure Raman spectroscopy Trachyhystrichosphaera aimika
DOI10.1016/j.palwor.2020.02.003
收录类别SCI
语种英语
关键词[WOS]ORGANIC-WALLED MICROFOSSILS ; VASE-SHAPED MICROFOSSILS ; RIPHEAN MIROEDIKHA MICROBIOTA ; NORTH CHINA CRATON ; DEPOSITIONAL HISTORY ; DRAKEN CONGLOMERATE ; SCALE MICROFOSSILS ; RAMAN-SPECTROSCOPY ; SHALER SUPERGROUP ; UPPER VINDHYAN
资助项目National Natural Science Foundation of China[41602007] ; National Natural Science Foundation of China[41921002] ; Chinese Academy of Sciences[QYZDJ-SSW-DQC009] ; Chinese Academy of Sciences[XDB26000000] ; Chinese Academy of Sciences[XDB18000000] ; Ministry of Science and Technology of China[2013CB835000] ; National Key R&D Program of China[2017YFC0603100] ; State Key Laboratory Paleobiology and Stratigraphy[20162109] ; State Key Laboratory Paleobiology and Stratigraphy[193126] ; Science Foundation of Jiangsu Province[BK20161090] ; Geological Society of America ; Palaeontological Society ; Society for Sedimentary Geology
WOS研究方向Paleontology
WOS类目Paleontology
WOS记录号WOS:000574452200004
项目资助者National Natural Science Foundation of China ; Chinese Academy of Sciences ; Ministry of Science and Technology of China ; National Key R&D Program of China ; State Key Laboratory Paleobiology and Stratigraphy ; Science Foundation of Jiangsu Province ; Geological Society of America ; Palaeontological Society ; Society for Sedimentary Geology
出版者ELSEVIER
文献类型期刊论文
条目标识符http://ir.nigpas.ac.cn/handle/332004/32589
专题中国科学院南京地质古生物研究所
通讯作者Pang, Ke (庞科); Yuan, Xun-Lai (袁训来)
作者单位1.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Peoples R China
2.Chinese Acad Sci, Ctr Excellence Life & Palaeoenvironm, 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.Virginia Tech, Global Change Ctr, Blacksburg, VA 24061 USA
6.Nanjing Univ, Ctr Res & Educ Biol Evolut & Environm, Nanjing 210023, Peoples R China
第一作者单位中国科学院南京地质古生物研究所
通讯作者单位中国科学院南京地质古生物研究所
推荐引用方式
GB/T 7714
Pang, Ke ,Tang, Qing ,Wan, Bin ,et al. New insights on the palaeobiology and biostratigraphy of the acritarch Trachyhystrichosphaera aimika: A potential late Mesoproterozoic to Tonian index fossil[J]. PALAEOWORLD,2020,29(3):476-489.
APA Pang, Ke ,Tang, Qing ,Wan, Bin ,&Yuan, Xun-Lai .(2020).New insights on the palaeobiology and biostratigraphy of the acritarch Trachyhystrichosphaera aimika: A potential late Mesoproterozoic to Tonian index fossil.PALAEOWORLD,29(3),476-489.
MLA Pang, Ke ,et al."New insights on the palaeobiology and biostratigraphy of the acritarch Trachyhystrichosphaera aimika: A potential late Mesoproterozoic to Tonian index fossil".PALAEOWORLD 29.3(2020):476-489.
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