The anatomically preserved stem Zhongmingella gen. nov from the Upper Permian of China: evaluating the early evolution and phylogeny of the Osmundales

doi:10.1080/14772019.2012.726658

	The anatomically preserved stem Zhongmingella gen. nov from the Upper Permian of China: evaluating the early evolution and phylogeny of the Osmundales
	Wang, Shi-Jun ; Hilton, Jason 1; He, Xiao-Yuan ; Seyfullah, Leyla J.; Shao, Longyi 4
	2014
发表期刊	JOURNAL OF SYSTEMATIC PALAEONTOLOGY
ISSN	1477-2019
卷号	12 期号:1 页码:1-22
摘要	Reinvestigation of the anatomically preserved stem Palaeosmunda plenasioides from the Lopingian (Late Permian) of China has led to the establishment of Zhongmingella gen. nov. within the extinct family Guaireaceae (Osmundales). Zhongmingella has a rhizomatous stem with heterogeneous pith and cortex comprising parenchyma and uniformly distributed secretory cells, and is dictyostelic. In order to evaluate the systematic and phylogenetic position of Zhongmingella within Guaireaceae, and Guaireaceae within Osmundales, we conducted a preliminary cladistic analysis of a broad range of Osmundales and related taxa based on 18 extinct and six extant genera and subgenera. Results do not support the traditionally defined family Thamnopteroideae (Bathypteris, Chasmatopteris, Iegosigopteris, Thamnopteris, Zalesskya) and demonstrate that Thamnopteroideae is not a subfamily of Osmundaceae as previously thought. Guaireaceae is monophyletic but in addition to its traditionally defined members (Guairea, Lunea, Donwellicaulis, Itopsidema, Shuichengella, Zhongmingella) includes the stratigraphically younger genus Osmundacaulis previously placed in Osmundaceae. Guaireaceae is sister to Osmundaceae, Millerocaulis, Ashicaulis, Palaeosmunda and Aurealcaulis in the strict consensus, but in the majority-rule consensus Palaeosmunda, Aurealcaulis, Ashicaulis and Millerocaulis form the Osmundaceae stem group, with (Aurealcaulis, (Ashicaulis + Palaeosmunda)) sister to the extant genera. Stratigraphical analysis of the selected most parsimonious tree demonstrates that Osmundales underwent primary radiation during the Pennsylvanian and Permian, terminating abruptly around the time of the end-Permian mass extinction. Radiation within Osmundaceae occurred in the Triassic-Cretaceous and stratigraphically overlaps staggered extinctions in Guaireaceae and Osmundaceae from the Late Jurassic to mid-Cretaceous alongside the earliest angiosperm radiation. Our results identify the Osmundaceae stem and sister groups for the first time, and represent an important step in unravelling the evolutionary history of Osmundales. However, reconstructed whole-plant species are imperative to improve understanding of the relationships within the clade in deep time.
关键词	Palaeozoic Osmundales Thamnopteridaceae Guaireaceae Osmundaceae evolution
学科领域	Evolutionary Biology ; Paleontology
DOI	10.1080/14772019.2012.726658
收录类别	SCI
语种	英语
WOS关键词	WESTERN NORTH-AMERICA ; MILLEROCAULIS OSMUNDACEAE ; ADDITIONAL EVIDENCE ; GUIZHOU PROVINCE ; SYSTEMATICS ; EXTINCTION ; FERNS ; DIVERSITY ; FILICALES ; PATTERNS
WOS研究方向	Evolutionary Biology ; Paleontology
WOS记录号	WOS:000329564200002
出版者	TAYLOR & FRANCIS LTD
文献子类	Article
出版地	ABINGDON
EISSN	1478-0941
资助机构	CAS [KZCX2-EW-120] ; National Natural Science Foundation of China [41030213, 41172014, 41162001] ; State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, CAS) [073103]
作者邮箱	wangsj@ibcas.ac.cn
引用统计	被引频次：59[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ibcas.ac.cn/handle/2S10CLM1/27029
专题	系统与进化植物学国家重点实验室
作者单位	1.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing 100093, Peoples R China 2.Univ Birmingham, Sch Geog Earth & Environm Sci, Birmingham B15 2TT, W Midlands, England 3.Yunnan Univ, Yunnan Key Lab Palaeobiol, Kunming 650091, Peoples R China 4.Seyfullah, Leyla J.] Univ Gottingen, Courant Res Ctr Geobiol, D-37077 Gottingen, Germany 5.China Univ Min & Technol, Sch Geosci & Surveying Engn, State Key Lab Coal Resources & Safe Min, Beijing 100083, Peoples R China
推荐引用方式 GB/T 7714	Wang, Shi-Jun,Hilton, Jason,He, Xiao-Yuan,et al. The anatomically preserved stem Zhongmingella gen. nov from the Upper Permian of China: evaluating the early evolution and phylogeny of the Osmundales[J]. JOURNAL OF SYSTEMATIC PALAEONTOLOGY,2014,12(1):1-22.
APA	Wang, Shi-Jun,Hilton, Jason,He, Xiao-Yuan,Seyfullah, Leyla J.,&Shao, Longyi.(2014).The anatomically preserved stem Zhongmingella gen. nov from the Upper Permian of China: evaluating the early evolution and phylogeny of the Osmundales.JOURNAL OF SYSTEMATIC PALAEONTOLOGY,12(1),1-22.
MLA	Wang, Shi-Jun,et al."The anatomically preserved stem Zhongmingella gen. nov from the Upper Permian of China: evaluating the early evolution and phylogeny of the Osmundales".JOURNAL OF SYSTEMATIC PALAEONTOLOGY 12.1(2014):1-22.

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