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First fossil foliage record in the red beds from the Upper Jurassic in the Sichuan Basin, southern China
Zhang, Li(张立)1,2,3; Wang, Yongdong(王永栋)1,2,3; Cui, Yiming(崔一鸣)2,3; Tian, Ning4; Xie, Xiaoping5; Xie, Aowei6; Dong, Chong(董重)2,3; Xi, Shuna7
2021-12-23
Source PublicationGEOLOGICAL JOURNAL
ISSN0072-1050
Pages10
Abstract

Terrestrial red beds are extensively developed in the Upper Jurassic of the Sichuan Basin, southern China, where few fossils have been documented. Recently, abundant silicified wood specimens were found in the central Sichuan Basin, but no plant foliage fossils have been recorded from the same strata. Here, we report the first leafy shoot fossils collected from the red beds of the Upper Jurassic Penglaizhen Formation in Shehong City, central Sichuan Basin. Based on careful comparisons with potential Mesozoic conifer fossils, they were assigned to Pagiophyllum, an extinct conifer taxon of the family Cheirolepidicaceae. The generic classification agreed with the palaeovegetation features of the Penglaizhen Formation which were represented by gymnosperms of Araucariaceae (Agathoxylon-type wood) and Cheirolepidiaceae (Brachyoxylon-type wood). The non-coexistence between the leafy shoot fossil and the petrified wood depicted a unique process of fossil preservation, which may be related to the palaeo-flood events in this area. The palaeoclimate background during the Late Jurassic of Shehong was suggested to be a hot and semi-arid or arid condition, supported by the Classopollis-dominated (75-90%) pollen assemblage from the Penglaizhen Formation. The fossil foliage was collected from lacustrine or fluvial sediments. This suggests that the rainy season is a key factor in the development of regional lakes or rivers and flood events, which offered a suitable local environment for plant growth and helped construct a more complex ecological system, allowing a variety of creatures to survive in the central Sichuan Basin area.

Keywordleafy-shoot fossil Pagiophyllum Palaeoenvironment Sichuan Basin Upper Jurassic
DOI10.1002/gj.4364
Indexed BySCI
Language英语
WOS KeywordWHOLE-PLANT RECONSTRUCTION ; SP-NOV CUPRESSACEAE ; ELATIDES ; MOUNTAINS ; CUTICLE ; GENUS ; CONE
Funding ProjectState Key Laboratory of Palaeobiology and Stratigraphy[20192101] ; State Key Laboratory of Palaeobiology and Stratigraphy[20191103] ; State Key Laboratory of Palaeobiology and Stratigraphy[20172103] ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences[XDB26000000] ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences[XDB18000000] ; National Natural Science Foundation of China[42002023] ; National Natural Science Foundation of China[41688103] ; National Natural Science Foundation of China[41572014] ; National Natural Science Foundation of China[41790454] ; National Natural Science Foundation of China[41702004]
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000733712800001
Funding OrganizationState Key Laboratory of Palaeobiology and Stratigraphy ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; National Natural Science Foundation of China
PublisherWILEY
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/40279
Collection中国科学院南京地质古生物研究所
Corresponding AuthorWang, Yongdong(王永栋)
Affiliation1.Nanjing Univ, Sch Earth Sci & Engn, Ctr Res & Educ Biol Evolut & Environm, Nanjing 210023, Peoples R China
2.Chinese Acad Sci, State Key Lab Palaeobiol & Stratig, Nanjing Inst Geol & Palaeontol, Nanjing 210008, Peoples R China
3.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Nanjing 210008, Peoples R China
4.Shenyang Normal Univ, Coll Paleontol, Shenyang 110034, Peoples R China
5.Qufu Normal Univ, Coll Geog & Tourism, Qufu, Shandong, Peoples R China
6.Univ Bonn, Inst Geosci, Div Paleontol, D-53115 Bonn, Germany
7.Inst Geol Relics, 137 Geol Team Sichuan Coalfield Geol Bur, Chengdu 610072, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Li,Wang, Yongdong,Cui, Yiming,et al. First fossil foliage record in the red beds from the Upper Jurassic in the Sichuan Basin, southern China[J]. GEOLOGICAL JOURNAL,2021:10.
APA Zhang, Li.,Wang, Yongdong.,Cui, Yiming.,Tian, Ning.,Xie, Xiaoping.,...&Xi, Shuna.(2021).First fossil foliage record in the red beds from the Upper Jurassic in the Sichuan Basin, southern China.GEOLOGICAL JOURNAL,10.
MLA Zhang, Li,et al."First fossil foliage record in the red beds from the Upper Jurassic in the Sichuan Basin, southern China".GEOLOGICAL JOURNAL (2021):10.
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