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New macrobenthic cycloneuralians from the Fortunian (lowermost Cambrian) of South China
Shao, T. Q.1; Qin, J. C.1; Shao, Y.1; Liu, Y. H.1; Waloszek, D.2; Maas, A.3; Duan, B. C.4; Wang, Q.1; Xu, Y.1; Zhang, H. Q.5,6
2020-10-01
Source PublicationPRECAMBRIAN RESEARCH
ISSN0301-9268
Volume349Pages:8
Abstract

Although morphology-based phylogenetic analyses and molecular data suggested that the cycloneuralians might have emerged in the Ediacaran Period, the oldest known fossil remains of cycloneuralians were first reported from the Cambrian Fortunian Stage of South China, and to date four genera and species as well as nine indeterminate forms have been described. Here, we report the latest discoveries of cycloneuralians from the Fortunian Kuanchuanpu Formation at Zhangjiagou Lagerstatte, Dahe Village, Xixiang County, southern Shaanxi Province, South China. A new genus and species Dahescolex kuanchuanpuensis n. gen. n. sp. is described, and a previously reported genus and species Eopriapulites sphinx is re-described. Dahescolex kuanchuanpuensis n. gen. n. sp. is suggested to be a stem-lineage derivative of Scalidophora, whereas E. sphinx may represent a stem-lineage derivative of Cycloneuralia. From the fragments discovered, the new specimens are suggested to have reached millimeters in dimension, and the original individuals are estimated to have dimensions in centimeter, hence falls within the size range of macrobenthos. Therefore, at least some of the Fortunian cycloneuralians can be considered macrobenthic, and it is suggested here that the Cycloneuralia may have originated in the Fortunian macrobenthos.

KeywordScalidophora Cycloneuralia Ecdysozoa Cambrian Fortunian stage South China
DOI10.1016/j.precamres.2019.105413
Indexed BySCI
Language英语
WOS KeywordPALAEOSCOLECID WORMS ; ZHANGJIAGOU ; MORPHOLOGY ; ECDYSOZOA ; MARKUELIA ; EVOLUTION ; FOSSILS ; REVEAL
Funding ProjectNational Natural Science Foundation of China[41872014] ; National Natural Science Foundation of China[41572007] ; National Natural Science Foundation of China[41572009] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB26000000] ; State Key Laboratory of Paleobiology and Stratigraphy, Nanjing Institute of Geology and Paleontology, Chinese Academy of Sciences[193123] ; Youth Innovation Promotion Association, Chinese Academy of Sciences[2016283] ; Basic Research Plan of Natural Science of Shaanxi Province[2018JM4002] ; Graduate Student Scientific Research Innovation Projects of Chang'an University[2019383] ; Graduate Student Scientific Research Innovation Projects of Chang'an University[2019368]
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000589422300008
Funding OrganizationNational Natural Science Foundation of China ; Strategic Priority Research Program of Chinese Academy of Sciences ; State Key Laboratory of Paleobiology and Stratigraphy, Nanjing Institute of Geology and Paleontology, Chinese Academy of Sciences ; Youth Innovation Promotion Association, Chinese Academy of Sciences ; Basic Research Plan of Natural Science of Shaanxi Province ; Graduate Student Scientific Research Innovation Projects of Chang'an University
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/37573
Collection中国科学院南京地质古生物研究所
Corresponding AuthorLiu, Y. H.; Zhang, H. Q.
Affiliation1.Changan Univ, Sch Earth Sci & Resources, Xian 710054, Peoples R China
2.Lund Univ, Solvegatan 12, S-22362 Lund, Sweden
3.Galgenackerweg 25, D-89134 Blaustein, Germany
4.State Ocean Adm, Inst Oceanog 1, Res Ctr Isl & Coastal Zone, Qingdao 266061, Peoples R China
5.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Peoples R China
6.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Nanjing 210008, Peoples R China
Corresponding Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Recommended Citation
GB/T 7714
Shao, T. Q.,Qin, J. C.,Shao, Y.,et al. New macrobenthic cycloneuralians from the Fortunian (lowermost Cambrian) of South China[J]. PRECAMBRIAN RESEARCH,2020,349:8.
APA Shao, T. Q..,Qin, J. C..,Shao, Y..,Liu, Y. H..,Waloszek, D..,...&Zhang, H. Q..(2020).New macrobenthic cycloneuralians from the Fortunian (lowermost Cambrian) of South China.PRECAMBRIAN RESEARCH,349,8.
MLA Shao, T. Q.,et al."New macrobenthic cycloneuralians from the Fortunian (lowermost Cambrian) of South China".PRECAMBRIAN RESEARCH 349(2020):8.
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