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Reinvestigation of conchostracans (Crustacea: Branchiopoda) from the Permian-Triassic transition in Southwest China
Scholze, Frank1,2,10; Shen, Shu-zhong (沈树忠)3,4; Backer, Malte5; Wei, Hai-Bo6,7; Huebner, Marcel1; Cui, Ying-Ying8,9; Feng, Zhuo6,7; Schneider, Joerg W.1,2
2020-06-01
Source PublicationPALAEOWORLD
ISSN1871-174X
Volume29Issue:2Pages:368-390
Abstract

Sedimentary deposits of the Permian-Triassic transition are well-exposed in numerous outcrops of South China. Depending on the palaeogeo-graphic positions of the sections, their lithofacies vary from fully marine, shallow marine, lagoonal, lacustrine, and fluvial to alluvial. In the present study, conchostracans (Crustacea: Branchiopoda) were newly collected from the continental deposits of the Kayitou and Jialingjiang formations around the Kangdian Highland elevated by the Emeishan Basalt in the southern Sichuan, western Guizhou, and northeastern Yunnan provinces. The conchostracan fauna of the Kayitou Formation is composed of Pseudestheria chatangensis , Euestheria fuyuanensis , and Euestheria sp. aff. E . gutta . These species occur in varying lithofacies types of different sections. In particular, the late Permian Pseudestheria chatangensis occurs in grey siltstones interbedded with pebbly sandstones, which are interpreted as lacustrine deposits. Euestheria fuyuanensis and Euestheria sp. aff. E. gutta were obtained from yellowish to greenish-grey clay-and siltstones, interpreted as coastal plain deposits. In comparison to other regions, occurrences of Euestheria gutta are indicative of an early Induan to Olenekian (Early Triassic) age. The fossil record of Euestheria fuyuanensis is so far restricted to a few occurrences in the Kayitou Formation of Southwest China and, therefore, using this species for long-distance biostratigraphic correlation requires further investigation. The distribution of late Permian pseudestheriid and Early Triassic euestheriid species in the respective sections possibly depends on the local lithofacies and, therefore, a diachronous age of the Kayitou Formation within the study area can be assumed. Additionally, Magniestheria sp. aff. M . mangaliensis and Magniestheria sp. aff. M . subcircularis were recorded in the Jialingjiang Formation, which represents a lithostratigraphic unit considered as late Early Triassic (Olenekian). Further investigations of both taxonomy and the real stratigraphic ranges of the conchostracan species as well as cross-correlations with other age data are recommended, in order to better constrain the position of the Permian-Triassic boundary and the specific timing of the terrestrial end-Permian mass extinction in continental deposits of Southwest China. (C) 2019 Elsevier Ireland Ltd Elsevier B.V. and Nanjing Institute of Geology and Palaeontology, CAS. Published by Elsevier B.V. All rights reserved.

KeywordConchostraca Biostratigraphy Kayitou Formation Jialingjiang Formation Early Triassic Southwest China
DOI10.1016/j.palwor.2019.04.007
Indexed BySCI
Language英语
WOS KeywordCONTINENTAL DEPOSITS ; MASS EXTINCTION ; CLAM SHRIMP ; U-PB ; SOUTHERN CHINA ; PALEOENVIRONMENT CONSIDERATIONS ; BIOSTRATIGRAPHIC CORRELATION ; BUNTSANDSTEIN TRANSITION ; BOUNDARY SECTIONS ; XUANWEI FORMATION
Funding ProjectSino-German Center for Research Promotion ; German Research Foundation[SCHN 408/22-1] ; Russian Government Program 'Competitive Growth of Kazan Federal University' ; Strategic Priority Research Program[XDB26000000] ; Strategic Priority Research Program[180000000] ; Key Research Program of Frontier Sciences from the Chinese Academy of Sciences[QYZDY-SSW-DQCO23] ; National Natural Science Foundation of China[U1702242]
WOS Research AreaPaleontology
WOS SubjectPaleontology
WOS IDWOS:000565829800002
Funding OrganizationSino-German Center for Research Promotion ; German Research Foundation ; Russian Government Program 'Competitive Growth of Kazan Federal University' ; Strategic Priority Research Program ; Key Research Program of Frontier Sciences from the Chinese Academy of Sciences ; National Natural Science Foundation of China
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/32232
Collection中国科学院南京地质古生物研究所
Corresponding AuthorScholze, Frank
Affiliation1.Tech Univ Bergakad Freiberg, Inst Geol, Bernhard von Cotta Str 2, D-09599 Freiberg, Germany
2.Kazan Fed Univ, Inst Geol & Petr Technol, Kremlyovskaya St 18, Kazan 420008, Russia
3.Nanjing Univ, Sch Earth Sci & Engn, 163 Xianlin Ave, Nanjing 210023, Peoples R China
4.Nanjing Inst Geol & Palaeontol, State Key Lab Paleobiol & Stratig, 39 East Beijing Rd, Nanjing 210008, Peoples R China
5.Westfalische Wilhelms Univ Munster, Forschungsstelle Palaobot, Inst Geol & Palaontol, Heisenbergstr 2, D-48149 Munster, Germany
6.Yunnan Univ, Inst Deep Time Terr Ecol, Kunming 650500, Yunnan, Peoples R China
7.Yunnan Univ, Yunnan Key Lab Earth Syst Sci, Kunming 650500, Yunnan, Peoples R China
8.South China Normal Univ, Inst Insect Sci & Technol, Guangzhou Key Lab Insect Dev Regulat & Applicat R, 55 Zhongshan Ave West, Guangzhou 510631, Peoples R China
9.South China Normal Univ, Sch Life Sci, 55 Zhongshan Ave West, Guangzhou 510631, Peoples R China
10.Hessian State Museum Darmstadt, Friedenspl 1, D-64283 Darmstadt, Germany
Recommended Citation
GB/T 7714
Scholze, Frank,Shen, Shu-zhong ,Backer, Malte,et al. Reinvestigation of conchostracans (Crustacea: Branchiopoda) from the Permian-Triassic transition in Southwest China[J]. PALAEOWORLD,2020,29(2):368-390.
APA Scholze, Frank.,Shen, Shu-zhong .,Backer, Malte.,Wei, Hai-Bo.,Huebner, Marcel.,...&Schneider, Joerg W..(2020).Reinvestigation of conchostracans (Crustacea: Branchiopoda) from the Permian-Triassic transition in Southwest China.PALAEOWORLD,29(2),368-390.
MLA Scholze, Frank,et al."Reinvestigation of conchostracans (Crustacea: Branchiopoda) from the Permian-Triassic transition in Southwest China".PALAEOWORLD 29.2(2020):368-390.
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