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Age of Jurassic basal sauropods in Sichuan, China: A reappraisal of basal sauropod evolution
Wang, Jun1,2,3; Ye, Yong4; Pei, Rui1; Tian, Yamin2; Feng, Chongqin1; Zheng, Daran (郑大燃)1,3; Chang, Su-Chin1
2018-09-01
Source PublicationGEOLOGICAL SOCIETY OF AMERICA BULLETIN
ISSN0016-7606
Volume130Issue:9-10Pages:1493-1500
Abstract

Sauropoda are the largest terrestrial animals to have ever lived and represent the dominant herbivorous dinosaurs of the Mesozoic Era. The Lower Shaximiao Formation of the Sichuan Basin, Southwest China, hosts abundant Jurassic basal sauropods including the Shunosaurus-Omeisaurus Fauna. This formation was previously hypothesized to be Middle Jurassic based on biostratigraphic interpretations, but the exact depositional age is uncertain. Here we report the youngest inductively coupled plasma-mass spectrometry (ICP-MS) detrital zircon U-Pb age of 159 +/- 2 Ma for fossil-bearing strata from this formation as the maximum depositional age. This age falls very close to the Oxfordian age interpreted for the Shunosaurus-Omeisaurus Fauna and is younger than previously proposed. We suggest that when the widely distributed basal sauropods of the Early-Middle Jurassic were mostly replaced by the phylogenetically more-derived neosauropods in the Late Jurassic in other regions of Laurasia and Gondwana, some more basal members survived and diversified in the Sichuan Basin of southwestern China.

DOI10.1130/B31910.1
Language英语
WOS KeywordAr-40/ar-39 Age ; Kota Formation ; Dinosaurs ; Boundary ; Constraints ; Toarcian ; Anatomy ; Morocco ; Basin ; India
Funding ProjectKey Laboratory of Economic Stratigraphy and Palaeogeography, Chinese Academy of Sciences (Nanjing Institute of Geology and Palaeontology)[2016KF05] ; State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation (Chengdu University of Technology, China)[PLC201703] ; University of Hong Kong (HKU)[17300515] ; University of Hong Kong (HKU)[17308316] ; HKU[201411159057]
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000443133000005
Funding OrganizationKey Laboratory of Economic Stratigraphy and Palaeogeography, Chinese Academy of Sciences (Nanjing Institute of Geology and Palaeontology) ; State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation (Chengdu University of Technology, China) ; University of Hong Kong (HKU) ; HKU
PublisherGEOLOGICAL SOC AMER, INC
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/16942
Collection中国科学院南京地质古生物研究所
Corresponding AuthorChang, Su-Chin
Affiliation1.Univ Hong Kong, Dept Earth Sci, Hong Kong, Hong Kong, Peoples R China
2.Chengdu Univ Technol, State Key Lab Oil & Gas Reservoir Geol & Exploita, Chengdu 610059, Sichuan, Peoples R China
3.Chinese Acad Sci, Key Lab Econ Stratig & Palaeogeog, Nanjing Inst Geol & Palaeontol, Nanjing 210008, Jiangsu, Peoples R China
4.Zigong Dinosaur Museum, Zigong 643013, Peoples R China
Recommended Citation
GB/T 7714
Wang, Jun,Ye, Yong,Pei, Rui,et al. Age of Jurassic basal sauropods in Sichuan, China: A reappraisal of basal sauropod evolution[J]. GEOLOGICAL SOCIETY OF AMERICA BULLETIN,2018,130(9-10):1493-1500.
APA Wang, Jun.,Ye, Yong.,Pei, Rui.,Tian, Yamin.,Feng, Chongqin.,...&Chang, Su-Chin.(2018).Age of Jurassic basal sauropods in Sichuan, China: A reappraisal of basal sauropod evolution.GEOLOGICAL SOCIETY OF AMERICA BULLETIN,130(9-10),1493-1500.
MLA Wang, Jun,et al."Age of Jurassic basal sauropods in Sichuan, China: A reappraisal of basal sauropod evolution".GEOLOGICAL SOCIETY OF AMERICA BULLETIN 130.9-10(2018):1493-1500.
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