The oldest complete jawed vertebrates from the early Silurian of China

doi:10.1038/s41586-022-05136-8

IVPP-IR > 中科院古脊椎所（2000年以后）

	The oldest complete jawed vertebrates from the early Silurian of China
	Zhu, You-an 1,2; Li, Qiang3,4 ; Lu, Jing 1,2,5; Chen, Yang 1,4; Wang, Jianhua 3; Gai, Zhikun 1,2; Zhao, Wenjin 1,2,5; Wei, Guangbiao 6; Yu, Yilun 1,5; Ahlberg, Per E.7; Zhu, Min1,2,5
	2022-09-29
发表期刊	NATURE
ISSN	0028-0836
卷号	609 期号:7929 页码:954-+
摘要	Molecular studies suggest that the origin of jawed vertebrates was no later than the Late Ordovician period (around 450 million years ago (Ma))(1,2). Together with disarticulated micro-remains of putative chondrichthyans from the Ordovician and early Silurian period(3-8), these analyses suggest an evolutionary proliferation of jawed vertebrates before, and immediately after, the end-Ordovician mass extinction. However, until now, the earliest complete fossils of jawed fishes for which a detailed reconstruction of their morphology was possible came from late Silurian assemblages (about 425 Ma)(9-13). The dearth of articulated, whole-body fossils from before the late Silurian has long rendered the earliest history of jawed vertebrates obscure. Here we report a newly discovered Konservat-Lagerstatte, which is marked by the presence of diverse, well-preserved jawed fishes with complete bodies, from the early Silurian (Telychian age, around 436 Ma) of Chongqing, South China. The dominant species, a `placoderm' or jawed stem gnathostome, which we name Xiushanosteus mirabilis gen. et sp. nov., combines characters from major placoderm subgroups(14-17) and foreshadows the transformation of the skull roof pattern from the placoderm to the osteichthyan condition(10). The chondrichthyan Shenacanthus uermiformis gen. et sp. nov. exhibits extensive thoracic armour plates that were previously unknown in this lineage, and include a large median dorsal plate as in placoderms(14-16), combined with a conventional chondrichthyan bauplan(18,19). Together, these species reveal a previously unseen diversification of jawed vertebrates in the early Silurian, and provide detailed insights into the whole-body morphology of the jawed vertebrates of this period.
DOI	10.1038/s41586-022-05136-8
关键词[WOS]	CHONDRICHTHYAN-LIKE SCALES ; PLACODERM ; ORIGIN ; ORDOVICIAN ; FISH ; CHALLENGES ; BRAINCASE ; HISTOLOGY
收录类别	SCI
语种	英语
资助项目	Strategic Priority Research Program of Chinese Academy of Sciences[XDB26000000] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDA19050102] ; Wallenberg Scholarship from the Knut and Alice Wallenberg Foundation ; National Natural Science Foundation of China[42072026] ; National Natural Science Foundation of China[42130209]
WOS研究方向	Science & Technology - Other Topics
WOS类目	Multidisciplinary Sciences
WOS记录号	WOS:000861899600002
出版者	NATURE PORTFOLIO
引用统计
文献类型	期刊论文
条目标识符	http://119.78.100.205/handle/311034/22033
专题	中科院古脊椎所（2000年以后）
通讯作者	Ahlberg, Per E.; Zhu, Min
作者单位	1.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key CAS Lab Vertebrate Evolut & Human Origins, Beijing, Peoples R China 2.CAS Ctr Excellence Life & Paleoenvironm, Beijing, Peoples R China 3.Qujing Normal Univ, Res Ctr Nat Hist & Culture, Qujing, Peoples R China 4.Chongqing Inst Geol & Mineral Resources, Chongqing, Peoples R China 5.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China 6.Chongqing Inst Geol Survey, Chongqing, Peoples R China 7.Uppsala Univ, Dept Organismal Biol, Uppsala, Sweden
推荐引用方式 GB/T 7714	Zhu, You-an,Li, Qiang,Lu, Jing,et al. The oldest complete jawed vertebrates from the early Silurian of China[J]. NATURE,2022,609(7929):954-+.
APA	Zhu, You-an.,Li, Qiang.,Lu, Jing.,Chen, Yang.,Wang, Jianhua.,...&Zhu, Min.(2022).The oldest complete jawed vertebrates from the early Silurian of China.NATURE,609(7929),954-+.
MLA	Zhu, You-an,et al."The oldest complete jawed vertebrates from the early Silurian of China".NATURE 609.7929(2022):954-+.

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