NIGPAS OpenIR
Skeletal faunas of the lower Cambrian Yu'anshan Formation, eastern Yunnan, China: Metazoan diversity and community structure during the Cambrian Age 3
Sun, Haijing1,2,3; Zhao, Fangchen1,2; Steiner, Michael4; Li, Guoxiang1,2; Na, Lin5; Pan, Bing1,2; Yin, Zongjun1,2; Zeng, Han1,2; Van Iten, Heyo6,7; Zhu, Maoyan1,2,8
2020-03-15
发表期刊PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
ISSN0031-0182
卷号542页码:12
摘要

The lower Cambrian (Stage 3) Yu'anshan Formation in Yunnan Province, South China hosts the Chengjiang Lagerstatte, an exceptional window on the Cambrian Explosion. However, skeletal microfossils from this formation have long been neglected owing to the dominance of siliciclastics over carbonates. Here we characterize a new assemblage of small shelly fossils from the Maotianshan Shale Member of the Yu'anshan Formation. The assemblage consists of univalved mollusc, hyolith and brachiopod shells, trilobite and bradoriid carapaces, chancelloriid sclerites, sponge spicules, and echinoderm ossicles. Combining this information with taxonomic data previously tabulated for fossil assemblages from three other facies, we performed quantitative comparisons of the genus-level taxonomic diversity and modes of life and nutrition of four mutually equivalent, early Cambrian (Age 3) paleocommunities: (1) skeletal faunas of the inner shelf; (2) predominantly soft-bodied faunas of the intra-shelf basin; (3) archaeocyathan faunas of the carbonate shelf; and (4) sponge-dominated faunas of the slope to basin areas. The taxonomic and paleoecological distinctness of these four paleocommunities indicate possible low levels of competition within the communities and rapid expansion of habitat (ecospace) ranges, though with similarities in the taxonomic composition of poriferans and arthropods reflecting the rapid migration of these two groups into new habitats. The present, integrative study provides a more comprehensive portrait of metazoan diversification and paleocommunity evolution during the peak phase of the Cambrian Explosion than do investigations based on single communities.

关键词Small shelly fossils Palcoccology Paleocommunity Cambrian Explosion South China
DOI10.1016/j.palaeo.2019.109580
收录类别SCI
语种英语
关键词[WOS]SMALL SHELLY FOSSILS ; STAGE-3 CHENGJIANG BIOTA ; SERIES 2 ; SOUTH CHINA ; SHAANXI PROVINCE ; HETANG FORMATION ; EARLY EVOLUTION ; EARLY HISTORY ; LAGERSTATTE ; ARCHAEOCYATHS
资助项目Strategic Priority Research Program (B) of the Chinese Academy of Sciences[XDB 18000000] ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences[XDB26000000] ; National Natural Science Foundation of China[41602002] ; National Natural Science Foundation of China[41672013] ; National Natural Science Foundation of China[41890844] ; National Natural Science Foundation of China[41921002] ; Youth Innovation Promotion Association of the Chinese Academy of Sciences[2017360] ; State Key Laboratory of Palaeobiology and Stratigraphy (NIGPAS, CAS)[193125]
WOS研究方向Physical Geography ; Geology ; Paleontology
WOS类目Geography, Physical ; Geosciences, Multidisciplinary ; Paleontology
WOS记录号WOS:000517852600009
项目资助者Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; State Key Laboratory of Palaeobiology and Stratigraphy (NIGPAS, CAS)
出版者ELSEVIER
文献类型期刊论文
条目标识符http://ir.nigpas.ac.cn/handle/332004/31642
专题中国科学院南京地质古生物研究所
通讯作者Zhu, Maoyan
作者单位1.Chinese Acad Sci, State Key Lab Palaeobiol & Stratig, Nanjing Inst Geol & Palaeontol, Nanjing 210008, Jiangsu, Peoples R China
2.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Nanjing Inst Geol & Palaeontol, Nanjing 210008, Jiangsu, Peoples R China
3.Natl Maritime Museum China, Tianjin 300467, Peoples R China
4.Free Univ Berlin, Dept Earth Sci, Malteserstr 74-100,Haus D, D-12249 Berlin, Germany
5.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, Nanjing 210008, Jiangsu, Peoples R China
6.Hanover Coll, Dept Geol, Hanover, IN 47243 USA
7.Cincinnati Museum Ctr, Dept Invertebrate Paleontol, 1301 Western Ave, Cincinnati, OH 45203 USA
8.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Sun, Haijing,Zhao, Fangchen,Steiner, Michael,et al. Skeletal faunas of the lower Cambrian Yu'anshan Formation, eastern Yunnan, China: Metazoan diversity and community structure during the Cambrian Age 3[J]. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,2020,542:12.
APA Sun, Haijing.,Zhao, Fangchen.,Steiner, Michael.,Li, Guoxiang.,Na, Lin.,...&Zhu, Maoyan.(2020).Skeletal faunas of the lower Cambrian Yu'anshan Formation, eastern Yunnan, China: Metazoan diversity and community structure during the Cambrian Age 3.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,542,12.
MLA Sun, Haijing,et al."Skeletal faunas of the lower Cambrian Yu'anshan Formation, eastern Yunnan, China: Metazoan diversity and community structure during the Cambrian Age 3".PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 542(2020):12.
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