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New paleoscolecid worms from the early Cambrian north margin of the Yangtze Platform, South China
Yang, Yuning1,2; Zhang, Xingliang3; Zhao, Yuanlong1; Qi, Yiru3; Cui, Linhao3
2018
发表期刊JOURNAL OF PALEONTOLOGY
ISSN0022-3360
卷号92期号:1页码:49-58
摘要

The Cambrian Yanwangbian assemblage (Series 2, Stage 4) in South Shaanxi, China, is one of the Burgess Shale-type faunas as it represents the only relatively diverse Cambrian biota from the north margin of the Yangzte Platform, South China. The paleoscolecids (Cycloneuralia) illustrated herein are one of the major components of the fauna, although they appear to be much less abundant than skeletonized fossils, according to available collections. A new taxon, Shaanxiscolex xixiangensis new genus new species, is described based on the scleritome pattern: each annulus has two rows of alternating Hadimopanella-type plates positioned close to the borders, and a mosaic pattern of microplates occurs between the plates and within intersegmental furrows. The occurrence of the new taxon confirms a fairly diversified and widespread distribution of paleoscolecidan worms recognized in the early Cambrian of South China. Moreover, the ecology of paleoscolecids is reappraised based on burial position of the S. xixiangensis and gut contens of Cambrian taxa from South China, hinting that paleoscolecids (at least some taxa) were both deposit feeders and carnivores, as well as active bioturbators in the substrates of the Cambrian sea, which sheds new light on the 'Cambrian Substrate Revolution.'

DOI10.1017/jpa.2017.50
语种英语
关键词[WOS]Palaeoscolecid Worms ; Priapulid Worms ; Series 2 ; Shaanxi Province ; Shale ; Australia ; Animals ; Record ; Fauna ; Biota
资助项目Major Basic Research Project of the Ministry of Science and Technology of China[2013CB835002] ; National Natural Science Foundation of China[41272036] ; Scientific Research Foundation for Talent Introduced in Guizhou University[2016-83] ; State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, CAS)[173130] ; Research Centre of Palaeontology of Guizhou (Gui)[Sci. Z. 2014-4003]
WOS研究方向Paleontology
WOS类目Paleontology
WOS记录号WOS:000425398500007
项目资助者Major Basic Research Project of the Ministry of Science and Technology of China ; National Natural Science Foundation of China ; Scientific Research Foundation for Talent Introduced in Guizhou University ; State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, CAS) ; Research Centre of Palaeontology of Guizhou (Gui)
出版者CAMBRIDGE UNIV PRESS
文献类型期刊论文
条目标识符http://ir.nigpas.ac.cn/handle/332004/18806
专题中国科学院南京地质古生物研究所
通讯作者Yang, Yuning
作者单位1.Guizhou Univ, Coll Resource & Environm Engn, Guiyang 550025, Guizhou, Peoples R China
2.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Jiangsu, Peoples R China
3.Northwest Univ Xian, Dept Geol, State Key Lab Continental Dynam, Xian 710069, Peoples R China
第一作者单位中国科学院南京地质古生物研究所
通讯作者单位中国科学院南京地质古生物研究所
推荐引用方式
GB/T 7714
Yang, Yuning,Zhang, Xingliang,Zhao, Yuanlong,et al. New paleoscolecid worms from the early Cambrian north margin of the Yangtze Platform, South China[J]. JOURNAL OF PALEONTOLOGY,2018,92(1):49-58.
APA Yang, Yuning,Zhang, Xingliang,Zhao, Yuanlong,Qi, Yiru,&Cui, Linhao.(2018).New paleoscolecid worms from the early Cambrian north margin of the Yangtze Platform, South China.JOURNAL OF PALEONTOLOGY,92(1),49-58.
MLA Yang, Yuning,et al."New paleoscolecid worms from the early Cambrian north margin of the Yangtze Platform, South China".JOURNAL OF PALEONTOLOGY 92.1(2018):49-58.
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