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The Early-Middle Ordovician graptolite genus Azygograptus in South China: New material and paleogeographic implications
Wang, Wenhui1; Zhang, Linna (张琳娜)2,3; Liu, Hao4; Deng, Xin4; Tan, Jingqiang1
2019-11-01
发表期刊PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
ISSN0031-0182
卷号533页码:9
摘要

This study presents a new analysis of three species of the Ordovician graptolite genus Azygograptus Nicholson & Lapworth from the Wenxiakou section in the Zhongxiang area of Hubei Province. The paleogeographic occurrences of the genus within South China were plotted on an up-to-date paleogeographic map based on a revised data set of graptolite occurrences from 68 localities compiled by the online Geobiodiversity Database (GBDB). The paleogeographic distribution of Azygograptus follows a nearshore-offshore trend, and the taxonomic diversity of Azygograptus is higher in nearshore high-energy environments than in offshore low-energy environments. However, graptolites also gathered in deeper-water environments surrounding oldlands partly due to the high-nutrient inputs and rapid deposition. Azygograptus is found not only in high-latitude cold-water regions as endemic taxa but also in low-latitude regions. Oceanic circulation may account for the rapid dispersal of Azygograptus from high-latitude regions, such as Britain and Scandinavia, to low-latitude regions, such as South China, eventually resulting in their observed paleogeographic distribution.

关键词Graptolithina Zhongxiang Paleobiogeography Paleoenvironment Oceanic circulation
DOI10.1016/j.palaeo.2019.109264
语种英语
关键词[WOS]BIODIVERSIFICATION ; PALEOECOLOGY ; PATTERNS ; DIVERSIFICATION ; EXTINCTION ; DIVERSITY ; ZONATION ; MARGIN ; OCEANS ; BASIN
资助项目National Natural Science Foundation of China[41772001] ; National Natural Science Foundation of China[41872151] ; Thousand Youth Talents Plan of China ; China Geological Survey Program[DD20160030]
WOS研究方向Physical Geography ; Geology ; Paleontology
WOS类目Geography, Physical ; Geosciences, Multidisciplinary ; Paleontology
WOS记录号WOS:000487174100025
项目资助者National Natural Science Foundation of China ; Thousand Youth Talents Plan of China ; China Geological Survey Program
出版者ELSEVIER
文献类型期刊论文
条目标识符http://ir.nigpas.ac.cn/handle/332004/27868
专题中国科学院南京地质古生物研究所
通讯作者Wang, Wenhui
作者单位1.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.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Nanjing 210008, Jiangsu, Peoples R China
4.Wuhan Ctr Geol Survey, Wuhan 430205, Hubei, Peoples R China
推荐引用方式
GB/T 7714
Wang, Wenhui,Zhang, Linna ,Liu, Hao,et al. The Early-Middle Ordovician graptolite genus Azygograptus in South China: New material and paleogeographic implications[J]. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,2019,533:9.
APA Wang, Wenhui,Zhang, Linna ,Liu, Hao,Deng, Xin,&Tan, Jingqiang.(2019).The Early-Middle Ordovician graptolite genus Azygograptus in South China: New material and paleogeographic implications.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,533,9.
MLA Wang, Wenhui,et al."The Early-Middle Ordovician graptolite genus Azygograptus in South China: New material and paleogeographic implications".PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 533(2019):9.
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