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A new species ofDrynaria(Polypodiaceae) from the late Miocene of Yunnan, Southwest China and implications on the genus evolution

文献类型：期刊论文

作者Yu, Yang1,3,4; Xie, San-Ping1,3,4; Devaney, John2; Zhang, Si-Hang1,3,4; Chen, Tian-Yu1,3,4; Zeng, Xu1,3,4; Wang, Bing1,4; Zhang, Yu1,4
刊名PALAEOBIODIVERSITY AND PALAEOENVIRONMENTS
出版日期2020-06-17
页码11
关键词Drynaria Sori arrangement Western Yunnan Diversification Seasonality
ISSN号1867-1594
DOI10.1007/s12549-020-00429-0
通讯作者Xie, San-Ping(xiesp@lzu.edu.cn)
英文摘要Drynarioid ferns comprise a large group in the Polypodiaceae family and are characterised by anastomosing venation and line of abscission between the pinna and the costa. In this paper, after morphological comparison with other ferns, we report and describe a new species,Drynaria diplostichaY. Yu and S. P. Xie, sp. nov. from the upper Miocene sediments of the Bangmai Formation in Lincang City, Yunnan, China. This species is characterised by sori lining the midrib in two rows. The acute curvature of the midrib and the areolae at the base, as well as the slight decurrency, indicate that the fossil was connected to a costa. The occurrence of this fossil suggests that the climate in southwestern Yunnan during the late Miocene was humid and warm with clear seasonality influenced by monsoons which, based on other studies, were weaker than those experienced at present. Given that other Neogene drynarioid fossils (i.e.Drynariacf.propinquafrom the late Miocene andDrynaria callispora,Drynaria dimorpha,Drynaria lanpingensisfrom the late Pliocene) were reported exclusively from western Yunnan, that region might be a radiation centre ofDrynariain the Neogene where its extant species rapidly diversified and the distribution expanded. This may have been driven by the formerly proposed rapid topographic and climatic changes there. TheseDrynariafossils may indicate that western Yunnan was one of the cradles of Drynarioid ferns during their early evolution.
WOS关键词LATE PLIOCENE ; WESTERN YUNNAN ; SW CHINA ; VEGETATION ; LINCANG ; UPLIFT ; RECONSTRUCTION ; DIVERSITY ; CLIMATES ; MONSOON
资助项目National Natural Science Foundation of China[41972008] ; National Natural Science Foundation of China[31870200] ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP)[2019QZKK0704] ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences[XDB26000000] ; Foundation of the State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, CAS[173126]
WOS研究方向Biodiversity & Conservation ; Paleontology
语种英语
WOS记录号WOS:000541082800003
出版者SPRINGER HEIDELBERG
资助机构National Natural Science Foundation of China ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Foundation of the State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, CAS
源URL[http://ir.nigpas.ac.cn/handle/332004/38620]  
专题中国科学院南京地质古生物研究所
通讯作者Xie, San-Ping
作者单位1.Lanzhou Univ, Sch Earth Sci, Lanzhou 730000, Peoples R China
2.Trinity Coll Dublin, Dept Bot, Dublin 2, Ireland
3.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Peoples R China
4.Lanzhou Univ, Key Lab Mineral Resources Western China Gansu Pro, Lanzhou 730000, Peoples R China
推荐引用方式
GB/T 7714		 Yu, Yang,Xie, San-Ping,Devaney, John,et al. A new species ofDrynaria(Polypodiaceae) from the late Miocene of Yunnan, Southwest China and implications on the genus evolution[J]. PALAEOBIODIVERSITY AND PALAEOENVIRONMENTS,2020:11.
APA Yu, Yang.,Xie, San-Ping.,Devaney, John.,Zhang, Si-Hang.,Chen, Tian-Yu.,...&Zhang, Yu.(2020).A new species ofDrynaria(Polypodiaceae) from the late Miocene of Yunnan, Southwest China and implications on the genus evolution.PALAEOBIODIVERSITY AND PALAEOENVIRONMENTS,11.
MLA Yu, Yang,et al."A new species ofDrynaria(Polypodiaceae) from the late Miocene of Yunnan, Southwest China and implications on the genus evolution".PALAEOBIODIVERSITY AND PALAEOENVIRONMENTS (2020):11.

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来源：南京地质古生物研究所

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