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A new Changhsingian brachiopod fauna from the Xiala Formation at Tsochen in the central Lhasa Block and its paleogeographical implications
Xu, Hai-peng1,2,3; Zhang, Yi-chun1,2; Qiao, Feng1,2,3; Shen, Shu-zhong4
2019-09-01
Source PublicationJOURNAL OF PALEONTOLOGY
ISSN0022-3360
Volume93Issue:5Pages:876-898
AbstractPermian faunal affinity in the Lhasa Block plays a critical role in reconstructing its paleogeographic evolution. Cisuralian and Guadalupian faunas have been described from the Lhasa Block, but very few Lopingian (late Permian) brachiopods have been reported so far. In this paper, a new diverse brachiopod fauna consisting of 17 species of 17 genera and an unidentifiable Orthotetoidea is described from the uppermost part of the Xiala Formation at the Aduogabu section in the central part of the Lhasa Block. The age of this fauna can be assigned to the Changhsingian (late Lopingian) as indicated by the associated foraminifers Colaniella parva (Colani, 1924) and Reichelina pulchra Miklukho-Maklay, 1954. Characteristic brachiopods include Spinomarginifera chengyaoyenensis Huang, 1932, Haydenella wenganensis (Huang, 1932), and Araxathyris cf. dilatatus Shen, He, and Zhu, 1992. They also generally suggest a Changhsingian age. Paleobiogeographically, this fauna is uniformly composed of typical Tethyan elements represented by Spinomarginifera Huang, 1932 and Haydenella Reed, 1944, and some cosmopolitan elements, but no typical cold-water taxa of Gondwanan affinity. This is in contrast to the contemporaneous brachiopod faunas from the Tethys Himalayan region that are characterized by typical cold-water taxa of Gondwanan affinity, e.g., Costiferina indica (Waagen, 1884), Retimarginifera xizangensis Shen et al., 2000, Neospirifer (Quadrospina) tibetensis Ding, 1962. Thus, it is strongly indicative that the Lhasa Block had drifted into a relatively warm-water regime during the Changhsingian. An analysis of the paleobiogeographic change of brachiopods in the Lhasa Block throughout the entire Permian further suggests that the Lhasa Block probably had rifted away from the northern peri-Gondwanan margin between the latest Cisuralian and middle Guadalupian, that is, the Neotethys Ocean had opened before middle Guadalupian.
DOI10.1017/jpa.2019.28
Language英语
WOS KeywordLATE PERMIAN BRACHIOPODS ; SELONG XISHAN SECTION ; QUBUERGA FORMATION ; SOUTHERN TIBET ; XIZANG TIBET ; XAINZA AREA ; QOMOLANGMA REGION ; CHINA ; PALEOBIOGEOGRAPHY ; EVOLUTION
Funding ProjectSecond Tibetan Plateau Scientific Expedition and Research[2019QZKK0706] ; 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 Science Foundation of China[91855205] ; National Science Foundation of China[41472009] ; Youth Innovation Promotion Association CAS[2016282]
WOS Research AreaPaleontology
WOS SubjectPaleontology
WOS IDWOS:000478797400004
Funding OrganizationSecond Tibetan Plateau Scientific Expedition and Research ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; National Science Foundation of China ; Youth Innovation Promotion Association CAS
PublisherCAMBRIDGE UNIV PRESS
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/27962
Collection中国科学院南京地质古生物研究所
Corresponding AuthorShen, Shu-zhong
Affiliation1.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Jiangsu, Peoples R China
2.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Nanjing 210008, Jiangsu, Peoples R China
3.Univ Sci & Technol China, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China
4.Nanjing Univ, Sch Earth Sci & Engn, 163 Xianlin Ave, Nanjing 210023, Jiangsu, Peoples R China
First Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Recommended Citation
GB/T 7714
Xu, Hai-peng,Zhang, Yi-chun,Qiao, Feng,et al. A new Changhsingian brachiopod fauna from the Xiala Formation at Tsochen in the central Lhasa Block and its paleogeographical implications[J]. JOURNAL OF PALEONTOLOGY,2019,93(5):876-898.
APA Xu, Hai-peng,Zhang, Yi-chun,Qiao, Feng,&Shen, Shu-zhong.(2019).A new Changhsingian brachiopod fauna from the Xiala Formation at Tsochen in the central Lhasa Block and its paleogeographical implications.JOURNAL OF PALEONTOLOGY,93(5),876-898.
MLA Xu, Hai-peng,et al."A new Changhsingian brachiopod fauna from the Xiala Formation at Tsochen in the central Lhasa Block and its paleogeographical implications".JOURNAL OF PALEONTOLOGY 93.5(2019):876-898.
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