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Diversity of cnidarians and cycloneuralians in the Fortunian (early Cambrian) Kuanchuanpu Formation at Zhangjiagou, South China
Shao, Tiequan1; Tang, Hanhua1; Liu, Yunhuan1; Waloszek, Dieter2; Maas, Andreas3; Zhang, Huaqiao (张华侨)4
2018-03-01
Source PublicationJOURNAL OF PALEONTOLOGY
ISSN0022-3360
Volume92Issue:2Pages:115-129
Abstract

The latest discovery of microfossils from the lower Cambrian (Fortunian Stage) Zhangjiagou Lagerstatte in South China are presented. This lagerstatte is rich in exceptionally preserved microfossils, including embryos of Olivooides multisulcatus, Olivooides mirabilis, and Pseudooides prima; hatched stages of O. multisulcatus, O. mirabilis, Hexaconularia sichuanensis, and Quadrapyrgites quadratacris; and cycloneuralians represented by Eopriapulites sphinx. The largest known fragment of O. mirabilis implies that its adult length can be more than 9.0 mm with at least 50 annuli, and the longest known specimen of Q. quadratacris has at least 18 annuli. These unusually large specimens refute the non-feeding larvae hypothesis for Olivooides and Quadrapyrgites. Based on the current material, it is inferred that (1) early cnidarians have a high diversity in the Fortunian Stage; (2) P. prima might represent the embryonic stages of H. sichuanensis; (3) adults of Olivooides and Quadrapyrgites may have reached centimeter-scale dimensions with more than 50 annuli; (4) Olivooides and Quadrapyrgites may be better interpreted as coronate scyphozoans; (5) cycloneuralians also had a high diversity in the Zhangjiagou Lagerstatte; and (6) cycloneuralians might have originally been part of the early Cambrian meiofauna rather than belonging to the macrobenthos. Such ancestral cycloneuralians might have been Eopriapulites-like, possessing pentaradially symmetric, backward pointing, and internally hollow introvert scalids used as locomotory devices.

DOI10.1017/jpa.2017.94
Language英语
WOS KeywordYangtze Platform China ; Small Shelly Fossils ; Siberian Platform ; Animal Embryos ; Shaanxi China ; Record ; Evolution ; Affinity ; Palaeoscolecids ; Preservation
Funding ProjectNational Natural Science Foundation of China[41572007] ; National Natural Science Foundation of China[41572009] ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences[173121] ; Youth Innovation Promotion Association, Chinese Academy of Sciences[2016283] ; Quality Project of Chang'an University[0012-310600161000] ; Quality Project of Chang'an University[0012-310627171808] ; College Students' Innovative Entrepreneurial Training Program of Chang' an University[0012-310600161000] ; College Students' Innovative Entrepreneurial Training Program of Chang' an University[0012-310627171808] ; College Students' Innovative Entrepreneurial Training Program of Chang' an University[201710710062] ; College Students' Innovative Entrepreneurial Training Program of Chang' an University[201710710063] ; College Students' Innovative Entrepreneurial Training Program of Chang' an University[201710710240] ; Tenth
WOS Research AreaPaleontology
WOS SubjectPaleontology
WOS IDWOS:000426815500001
Funding OrganizationNational Natural Science Foundation of China ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences ; Youth Innovation Promotion Association, Chinese Academy of Sciences ; Quality Project of Chang'an University ; College Students' Innovative Entrepreneurial Training Program of Chang' an University ; Tenth
PublisherCAMBRIDGE UNIV PRESS
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/18862
Collection中国科学院南京地质古生物研究所
其他
Corresponding AuthorLiu, Yunhuan; Zhang, Huaqiao (张华侨)
Affiliation1.Changan Univ, Sch Earth Sci & Resources, Xian 710054, Shaanxi, Peoples R China
2.Lund Univ, Solvegatan 12, SE-22362 Lund, Sweden
3.Galgenackerweg 25, D-89134 Blaustein, Germany
4.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Jiangsu, Peoples R China
Corresponding Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Recommended Citation
GB/T 7714
Shao, Tiequan,Tang, Hanhua,Liu, Yunhuan,et al. Diversity of cnidarians and cycloneuralians in the Fortunian (early Cambrian) Kuanchuanpu Formation at Zhangjiagou, South China[J]. JOURNAL OF PALEONTOLOGY,2018,92(2):115-129.
APA Shao, Tiequan,Tang, Hanhua,Liu, Yunhuan,Waloszek, Dieter,Maas, Andreas,&Zhang, Huaqiao .(2018).Diversity of cnidarians and cycloneuralians in the Fortunian (early Cambrian) Kuanchuanpu Formation at Zhangjiagou, South China.JOURNAL OF PALEONTOLOGY,92(2),115-129.
MLA Shao, Tiequan,et al."Diversity of cnidarians and cycloneuralians in the Fortunian (early Cambrian) Kuanchuanpu Formation at Zhangjiagou, South China".JOURNAL OF PALEONTOLOGY 92.2(2018):115-129.
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