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Integrated Lower-Middle Ordovician graptolite and chitinozoan biostratigraphy of the Jiangnan Slope Region, South China
Wang, Wen-Hui1; Tang, Peng (唐鹏)2; Chen, Wen-Jian3; Tan, Jing-Qiang1
2019-03-01
Source PublicationPALAEOWORLD
ISSN1871-174X
Volume28Issue:1-2Pages:187-197
Abstract

An integrated Early-Middle Ordovician graptolite and chitinozoan biostratigraphical study was carried out to improve the correlations between the two fossil groups in two sections in the Jiangnan Slope Region (deeper outer-shelf mud-sand-carbonate belt), South China. Six graptolite biozones and two chitinozoan biozones (including an undefined interval) were recognized. The chitinozoan Lagenochitina praepirum appears to be a stratigraphically useful species, despite being geographically restricted to South China, appearing at a level coincident with the first appearance of the index graptolite Levisograptus austrodentatus. Thus, the base of the Lagenochitina praepirum Biozone can also be regarded as the base of the Darriwilian Stage. The chitinozoan abundance in both sections is exceptionally low, and the assemblages do not contain the biostratigraphically important Belonechitina species. The distributions of both chitinozoans and graptolites are eco-dependent but show different onshore-offshore diversity trends. Chitinozoans are more diverse nearer to shore whereas graptolites are more diverse offshore, preferring slope facies. This may be caused by the different ecological preferences of chitinozoans and graptolites. (C) 2018 Elsevier Ireland Ltd Elsevier B.V. and Nanjing Institute of Geology and Palaeontology, CAS. Published by Elsevier B.V. All rights reserved.

KeywordGraptolite Chitinozoan Biostratigraphy Early-mid Ordovician Jiangnan Slope Region South China
DOI10.1016/j.palwor.2018.06.001
Language英语
WOS KeywordAcritarch Distribution ; Biodiversification ; Assemblages ; Diversity ; Patterns ; Basin ; Area
Funding ProjectNational Natural Science Foundation of China[41772001] ; National Natural Science Foundation of China[41402010] ; National Natural Science Foundation of China[41521061] ; Thousand Youth Talents Plan of China ; IGCP Project[653]
WOS Research AreaPaleontology
WOS SubjectPaleontology
WOS IDWOS:000463600800016
Funding OrganizationNational Natural Science Foundation of China ; Thousand Youth Talents Plan of China ; IGCP Project
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/15840
Collection中国科学院南京地质古生物研究所
其他
Corresponding AuthorTan, Jing-Qiang
Affiliation1.Cent S Univ, Sch Geosci & Infophys, Key Lab Metallogen Predict Nonferrous Met & Geol, Minist Educ, Changsha 410083, Hunan, Peoples R China
2.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Jiangsu, Peoples R China
3.Nanjing Univ, Sch Earth Sci & Engn, Nanjing 210023, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Wang, Wen-Hui,Tang, Peng ,Chen, Wen-Jian,et al. Integrated Lower-Middle Ordovician graptolite and chitinozoan biostratigraphy of the Jiangnan Slope Region, South China[J]. PALAEOWORLD,2019,28(1-2):187-197.
APA Wang, Wen-Hui,Tang, Peng ,Chen, Wen-Jian,&Tan, Jing-Qiang.(2019).Integrated Lower-Middle Ordovician graptolite and chitinozoan biostratigraphy of the Jiangnan Slope Region, South China.PALAEOWORLD,28(1-2),187-197.
MLA Wang, Wen-Hui,et al."Integrated Lower-Middle Ordovician graptolite and chitinozoan biostratigraphy of the Jiangnan Slope Region, South China".PALAEOWORLD 28.1-2(2019):187-197.
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