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A New Family of Galeaspids (Jawless Stem-Gnathostomata) from the Early Silurian of Chongqing, Southwestern China

文献类型：期刊论文

作者Chen, Yang4,5,6,7; Gai, Zhikun3,6,7; LI, Qiang2,5,7; Wang, Jianhua2; Peng, Lijian2; Wei, Guangbiao1; Zhu, Min3,6,7
刊名ACTA GEOLOGICA SINICA-ENGLISH EDITION
出版日期2022-04-01
卷号96期号:2页码:430-439
ISSN号1000-9515
关键词vertebrate paleontology Galeaspida morphology phylogeny Telychian Chongqing Municipality
DOI10.1111/1755-6724.14909
通讯作者Zhu, Min(zhumin@ivpp.ac.cn)
英文摘要A new genus and species of agnathan Eugaleaspidiformes (Galeaspida), Yongdongaspis littoralis gen. et sp. nov., is described from the Llandovery (lower Silurian) Huixingshao Formation at Yongdong Town, Xiushan County, Chongqing, southwestern China. This new Telychian taxon morphologically exhibits some transitional states between Sinogaleaspidae and a cluster of higher eugaleaspidiforms containing Tridensaspidae, Eugaleaspidae, Yunnanogaleaspis, and Nochelaspis, which we term here as the 'eugaleaspid cluster'. Phylogenetic analysis of an extended character matrix of Galeaspida reveals Yongdongaspis, on which Yongdongaspidae fam. nov. is erected, as the sister taxon of this 'eugaleaspid cluster', supported by two synapomorphies, the presence of one median transverse canal, and two lateral transverse canals leaving from the infraorbital canal. As the first fish described from the Llandovery Huixingshao Formation in Chongqing, Yongdongaspis provides new fossil evidence for the subdivision and correlation of the Upper Red Beds in South China.
WOS关键词MARINE RED BEDS ; AGNATHA ; HUNAN ; FISH
资助项目Strategic Priority Research Program of Chinese Academy of Sciences[XDA19050102] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB26000000] ; National Natural Science Foundation of China[41872023] ; Key Research Program of Frontier Sciences, CAS[QYZDJ-SSW-DQC002] ; Mineral Resources Protection and Supervision Project: Evaluation and Survey of the Silurian Fish Fossil Resources of Youxiu Fold Belt, Chongqing
WOS研究方向Geology
语种英语
出版者WILEY
WOS记录号WOS:000788236600003
资助机构Strategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; Mineral Resources Protection and Supervision Project: Evaluation and Survey of the Silurian Fish Fossil Resources of Youxiu Fold Belt, Chongqing
源URL[http://119.78.100.205/handle/311034/22050]  
专题古脊椎动物与古人类研究所_图书馆1
通讯作者Zhu, Min
作者单位1.Chongqing Inst Geol Survey, Chongqing 401122, Peoples R China
2.Qujing Normal Univ, Qujing 655000, Yunnan, Peoples R China
3.CAS Ctr Excellence Life & Paleoenvironm, Beijing 100044, Peoples R China
4.Chongqing Res Ctr, State Key Lab Coal Resources & Safe Min, Chongqing 401120, Peoples R China
5.Chongqing Inst Geol & Mineral Resources, Chongqing Key Lab Exogen Mineralizat & Mine Envir, Chongqing 401120, Peoples R China
6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
7.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing 100044, Peoples R China
推荐引用方式
GB/T 7714		 Chen, Yang,Gai, Zhikun,LI, Qiang,et al. A New Family of Galeaspids (Jawless Stem-Gnathostomata) from the Early Silurian of Chongqing, Southwestern China[J]. ACTA GEOLOGICA SINICA-ENGLISH EDITION,2022,96(2):430-439.
APA Chen, Yang.,Gai, Zhikun.,LI, Qiang.,Wang, Jianhua.,Peng, Lijian.,...&Zhu, Min.(2022).A New Family of Galeaspids (Jawless Stem-Gnathostomata) from the Early Silurian of Chongqing, Southwestern China.ACTA GEOLOGICA SINICA-ENGLISH EDITION,96(2),430-439.
MLA Chen, Yang,et al."A New Family of Galeaspids (Jawless Stem-Gnathostomata) from the Early Silurian of Chongqing, Southwestern China".ACTA GEOLOGICA SINICA-ENGLISH EDITION 96.2(2022):430-439.

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