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Spiculogenesis and biomineralization in early sponge animals
Tang, Qing (唐卿)1,2; Wan, Bin (万斌)3,4,5; Yuan, Xunlai (袁训来)3,4,5; Muscente, A. D.6; Xiao, Shuhai1,2
2019-07-26
Source PublicationNATURE COMMUNICATIONS
ISSN2041-1723
Volume10Pages:10
Abstract

Most sponges have biomineralized spicules. Molecular clocks indicate sponge classes diverged in the Cryogenian, but the oldest spicules are Cambrian in age. Therefore, sponges either evolved spiculogenesis long after their divergences or Precambrian spicules were not amenable to fossilization. The former hypothesis predicts independent origins of spicules among sponge classes and presence of transitional forms with weakly biomineralized spicules, but this prediction has not been tested using paleontological data. Here, we report an early Cambrian sponge that, like several other early Paleozoic sponges, had weakly biomineralized and hexactine-based siliceous spicules with large axial filaments and high organic proportions. This material, along with Ediacaran microfossils containing putative non-biomineralized axial filaments, suggests that Precambrian sponges may have had weakly biomineralized spicules or lacked them altogether, hence their poor record. This work provides a new search image for Precambrian sponge fossils, which are critical to resolving the origin of sponge spiculogenesis and biomineralization.

DOI10.1038/s41467-019-11297-4
Language英语
WOS KeywordCAMBRIAN HETANG FORMATION ; SOUTH CHINA ; CARBONACEOUS COMPRESSIONS ; SPICULE ; FOSSILS ; EVOLUTION ; BIOTA ; AFFINITIES ; HISTORY ; RECORD
Funding ProjectNational Science Foundation[EAR 1528553] ; State Key Laboratory of Palaeobiology and Stratigraphy of the Nanjing Institute of Geology and Palaeontology[193126] ; National Natural Science Foundation of China[41130209] ; Chinese Academy of Sciences[QYZDJ-SSW-DQC009] ; Chinese Academy of Sciences[XDB26000000] ; Jiangsu Provincial Department of Science and Technology[BK20161615]
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000477704900002
Funding OrganizationNational Science Foundation ; State Key Laboratory of Palaeobiology and Stratigraphy of the Nanjing Institute of Geology and Palaeontology ; National Natural Science Foundation of China ; Chinese Academy of Sciences ; Jiangsu Provincial Department of Science and Technology
PublisherNATURE PUBLISHING GROUP
Citation statistics
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/27992
Collection中国科学院南京地质古生物研究所
Corresponding AuthorXiao, Shuhai
Affiliation1.Virginia Tech, Dept Geosci, Blacksburg, VA 24061 USA
2.Virginia Tech, Global Change Ctr, Blacksburg, VA 24061 USA
3.Chinese Acad Sci, State Key Lab Palaeobiol & Stratig, Nanjing Inst Geol & Palaeontol, Nanjing 210008, Jiangsu, Peoples R China
4.Chinese Acad Sci, Ctr Excellence Life & Palaeoenvironm, Nanjing 210008, Jiangsu, Peoples R China
5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
6.Univ Texas Austin, Dept Geol Sci, Austin, TX 78712 USA
Recommended Citation
GB/T 7714
Tang, Qing ,Wan, Bin ,Yuan, Xunlai ,et al. Spiculogenesis and biomineralization in early sponge animals[J]. NATURE COMMUNICATIONS,2019,10:10.
APA Tang, Qing ,Wan, Bin ,Yuan, Xunlai ,Muscente, A. D.,&Xiao, Shuhai.(2019).Spiculogenesis and biomineralization in early sponge animals.NATURE COMMUNICATIONS,10,10.
MLA Tang, Qing ,et al."Spiculogenesis and biomineralization in early sponge animals".NATURE COMMUNICATIONS 10(2019):10.
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