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Saccorhytus is an early ecdysozoan and not the earliest deuterostome
Liu, Yunhuan1; Carlisle, Emily2; Zhang, Huaqiao(张华侨)3,4; Yang, Ben5; Steiner, Michael6,7; Shao, Tiequan1; Duan, Baichuan8; Marone, Federica9; Xiao, Shuhai10; Donoghue, Philip C. J.2
2022-08-17
Source PublicationNATURE
ISSN0028-0836
Pages20
Abstract

The early history of deuterostomes, the group composed of the chordates, echinoderms and hemichordates(1), is still controversial, not least because of a paucity of stem representatives of these clades(2-5). The early Cambrian microscopic animal Saccorhytus coronarius was interpreted as an early deuterostome on the basis of purported pharyngeal openings, providing evidence for a meiofaunal ancestry(6) and an explanation for the temporal mismatch between palaeontological and molecular clocktimescales of animal evolution(6-8). Here we report new material of S. coronarius, which is reconstructed as a millimetric and ellipsoidal meiobenthic animal with spinose armour and a terminal mouth but no anus. Purported pharyngeal openings in support of the deuterostome hypothesis(6) are shown to be taphonomic artefacts. Phylogenetic analyses indicate that S. coronarius belongs to total-group Ecdysozoa, expanding the morphological disparity and ecological diversity of early Cambrian ecdysozoans.

DOI10.1038/s41586-022-05107-z
Indexed BySCI
Language英语
WOS KeywordCYCLONEURALIANS ; PALEONTOLOGY ; ZHANGJIAGOU ; LAGERSTATTE ; PHYLOGENY ; EVOLUTION ; FOSSILS
Funding ProjectNational Natural Science Foundation of China[41872014] ; National Natural Science Foundation of China[42172020] ; National Natural Science Foundation of China[41972026] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB26000000] ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Paleontology, Chinese Academy of Sciences[20191104] ; University of Bristol ; Deutsche Forschungsgesellschaft[STE814/5-1] ; U.S. National Science Foundation[EAR-2021207] ; Natural Environment Research Council (NERC)[NE/P013678/1] ; Natural Science Foundation of China (NSFC) ; Leverhulme Trust[RF-2022-167]
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000842618300001
Funding OrganizationNational Natural Science Foundation of China ; Strategic Priority Research Program of Chinese Academy of Sciences ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Paleontology, Chinese Academy of Sciences ; University of Bristol ; Deutsche Forschungsgesellschaft ; U.S. National Science Foundation ; Natural Environment Research Council (NERC) ; Natural Science Foundation of China (NSFC) ; Leverhulme Trust
PublisherNATURE PORTFOLIO
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/41169
Collection中国科学院南京地质古生物研究所
Corresponding AuthorZhang, Huaqiao(张华侨); Xiao, Shuhai; Donoghue, Philip C. J.
Affiliation1.Changan Univ, Sch Earth Sci & Resources, Xian, Peoples R China
2.Univ Bristol, Sch Earth Sci, Bristol Palaeobiol Grp, Bristol, Avon, England
3.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing, Peoples R China
4.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Nanjing, Peoples R China
5.Chinese Acad Geol Sci, Inst Geol, MNR Key Lab Stratig & Palaeontol, Beijing, Peoples R China
6.Shandong Univ Sci & Technol, Coll Earth Sci & Engn, Qingdao, Peoples R China
7.Free Univ Berlin, Dept Earth Sci, Berlin, Germany
8.Minist Nat Resource, Inst Oceanog 1, Key Lab Marine Geol & Metallogeny, Qingdao, Peoples R China
9.Paul Scherrer Inst, Swiss Light Source, Villigen, Switzerland
10.Virginia Tech, Dept Math, Blacksburg, VA 24061 USA
Corresponding Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Recommended Citation
GB/T 7714
Liu, Yunhuan,Carlisle, Emily,Zhang, Huaqiao,et al. Saccorhytus is an early ecdysozoan and not the earliest deuterostome[J]. NATURE,2022:20.
APA Liu, Yunhuan.,Carlisle, Emily.,Zhang, Huaqiao.,Yang, Ben.,Steiner, Michael.,...&Donoghue, Philip C. J..(2022).Saccorhytus is an early ecdysozoan and not the earliest deuterostome.NATURE,20.
MLA Liu, Yunhuan,et al."Saccorhytus is an early ecdysozoan and not the earliest deuterostome".NATURE (2022):20.
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