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Floian, Early Ordovician, trilobites from the Olongbluk Terrane, northwest China

文献类型：期刊论文

作者Wei, Xin2; Zhou, Zhiqiang1
刊名ACTA PALAEONTOLOGICA POLONICA
出版日期2023
卷号68期号:4页码:683-693
关键词Trilobita palaeogeography Floian Ordovician Olongbluk terrane northwest China
ISSN号0567-7920
DOI10.4202/app.01102.2023
通讯作者Wei, Xin(xwei@nigpas.ac.cn)
英文摘要Floian, Early Ordovician trilobites are systematically described and revised based on new material from the middle part of the Duoquanshan Formation of the Shihuigou area, northern Qinghai Province, northwest China. The fauna that lived on the shallow-water carbonate platform comprises three species belonging to two families, i.e., Tsaidamaspis diarmatus, Zhiyia tsinghaiensis, and Liexiaspis sp. indeterminate. It exhibits a strong endemicity to the Olongbluk terrane. The new isoteline genus Zhiyia is established on the basis of the material from the Olongbluk terrane and South China palaeo-plate, and is characterized by its: (i) almost obsolete cephalic and pygidial axial furrows; (ii) flattened anterior border and narrow (sag., exsag.) occipital ring; (iii) bilobed hypostome with a shallow median notch and a small triangular median projection; (iv) subsemicircular pygidium with wide pygidial axis and border. Faunal evidence indicates that the palaeogeographic position of the Olongbluk terrane may have been situated closer to the South China palaeoplate rather than the North China palaeoplate during the Floian.
WOS关键词PART
资助项目Second Tibetan Plateau Scientific Expedition and Research Program[2019QZKK0706] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB 26000000] ; National Science Foundation of China[41672008] ; National Science Foundation of China[41972011] ; National Science Foundation of China[41972015] ; National Science Foundation of China[42072005] ; National Science Foundation of China[42072007] ; National Science Foundation of China[42030510] ; State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, CAS)[213123]
WOS研究方向Paleontology
语种英语
WOS记录号WOS:001164839000007
出版者INST PALEOBIOLOGII PAN
资助机构Second Tibetan Plateau Scientific Expedition and Research Program ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Science Foundation of China ; State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, CAS)
源URL[http://ir.nigpas.ac.cn/handle/332004/43315]  
专题中国科学院南京地质古生物研究所
通讯作者Wei, Xin
作者单位1.Chinese Acad Geol Sci, Xian Inst Geol & Mineral Resources, Xian 710054, Peoples R China
2.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Peoples R China
推荐引用方式
GB/T 7714		 Wei, Xin,Zhou, Zhiqiang. Floian, Early Ordovician, trilobites from the Olongbluk Terrane, northwest China[J]. ACTA PALAEONTOLOGICA POLONICA,2023,68(4):683-693.
APA Wei, Xin,&Zhou, Zhiqiang.(2023).Floian, Early Ordovician, trilobites from the Olongbluk Terrane, northwest China.ACTA PALAEONTOLOGICA POLONICA,68(4),683-693.
MLA Wei, Xin,et al."Floian, Early Ordovician, trilobites from the Olongbluk Terrane, northwest China".ACTA PALAEONTOLOGICA POLONICA 68.4(2023):683-693.

入库方式： OAI收割

来源：南京地质古生物研究所

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