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Morphology, nomenclature and potential paleophytogeographic implication of Demersatheca contigua (Zosterophyllopsida) from the Lower Devonian of Yunnan and Guangxi, southwestern China
Corresponding AuthorXu, Hong-He(hhxu@nigpas.ac.cn)
Wang, Yao1,2,3; Xu, Hong-He1,2; Wang, Yi1,2
2020-06-01
Source PublicationREVIEW OF PALAEOBOTANY AND PALYNOLOGY
ISSN0034-6667
Volume277Pages:9
AbstractThe early land plant group Zosterophyllopsida has a wide distribution in the global Silurian to Devonian floras and the morphological study of this group is fundamentally significant to plant evolution. Demersatheca contigua is an endemic zosterophyllopsid of the Early Devonian flora in South China. Here its morphology is studied based on re-examination of the specimens previously attributed to Zosterophyllum contiguum and Z. australianum from the Posongchong Formation of Yunnan and the observations on newly collected specimens from the Cangwu Formation of Guangxi Zhuang Autonomous Region, southwest China. The strobilus of D. contigua consists of four rows of lateral sporangia decussately arranged biconvex sporangia with marginal dehiscence bending towards the strobilus axis to make the strobilus a cylindrical-shape. The structure of the D. contigua strobilus is reconstructed and the diagnosis of the plant is emended in the aspect of four-row decussate sporangium arrangement. The nomenclature of D. contigua is summarized and the lectotype of the species is formally proposed. Demersatheca contigua is a shared plant member of Yunnan and Guangxi Early Devonian flora of southern China and its paleophytogeographic implication to southern China Early Devonian is discussed. (C) 2020 Elsevier B.V. All rights reserved.
KeywordDemersatheca Lower Devonian South China Zosterophyllopsid Nomenclature
DOI10.1016/j.revpalbo.2020.104209
Indexed BySCI
Language英语
WOS KeywordOLD RED SANDSTONE ; EARLY LAND PLANTS ; POSONGCHONG FORMATION ; NORTHEASTERN YUNNAN ; SOUTH CHINA ; GEN-NOV ; PROVINCE ; LI ; DIVERSITY ; EDWARDS
Funding ProjectStrategic Priority Research Program of the Chinese Academy of Sciences[XDA19050101] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB26000000] ; National Natural Science Foundation of China[41772012]
WOS Research AreaPlant Sciences ; Paleontology
WOS SubjectPlant Sciences ; Paleontology
WOS IDWOS:000527103300001
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/31745
Collection中国科学院南京地质古生物研究所
Corresponding AuthorXu, Hong-He
Affiliation1.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Peoples R China
2.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Nanjing 210008, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Corresponding Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Recommended Citation
GB/T 7714
Wang, Yao,Xu, Hong-He,Wang, Yi. Morphology, nomenclature and potential paleophytogeographic implication of Demersatheca contigua (Zosterophyllopsida) from the Lower Devonian of Yunnan and Guangxi, southwestern China[J]. REVIEW OF PALAEOBOTANY AND PALYNOLOGY,2020,277:9.
APA Wang, Yao,Xu, Hong-He,&Wang, Yi.(2020).Morphology, nomenclature and potential paleophytogeographic implication of Demersatheca contigua (Zosterophyllopsida) from the Lower Devonian of Yunnan and Guangxi, southwestern China.REVIEW OF PALAEOBOTANY AND PALYNOLOGY,277,9.
MLA Wang, Yao,et al."Morphology, nomenclature and potential paleophytogeographic implication of Demersatheca contigua (Zosterophyllopsida) from the Lower Devonian of Yunnan and Guangxi, southwestern China".REVIEW OF PALAEOBOTANY AND PALYNOLOGY 277(2020):9.
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