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A new leafy liverwort of Frullania (Frullaniaceae, Porellales) from the mid-Cretaceous Kachin amber, Myanmar
Li, Ya(李亚)1,2; Wang, Yong-Dong(王永栋)1,2; Feldberg, Kathrin3; Wang, Qiang4; Yang, Xiao-Ju(杨小菊)1,2
2021-08-04
发表期刊GEOLOGICAL JOURNAL
ISSN0072-1050
页码12
摘要

With over 300 extant species, the nearly worldwide-distributed genus Frullania is one of the most species-rich genera of leafy liverworts and the sole extant genus of Frullaniaceae. Amber fossil record of Frullania is also rather diverse, with inclusions known from several amber deposits. The earliest fossils are F. baerlocheri, F. cretacea, and F. partita from the mid-Cretaceous Kachin amber, Myanmar. Here, we describe a new fossil species of Frullania as F. kachinensis sp. nov., based on seven sterile gametophyte fragments from three pieces of Kachin amber. This new species is characterized by leaf dorsal lobes mostly with rounded apexes, leaf ventral lobules inserted in approximately 30-90 mu m distance to stem, lanceolate styli, and deeply bilobed underleaves with entire-margined to toothed lobes and V-shaped sinuses. Morphological comparisons indicate that F. kachinensis shows mosaic character combinations of two coeval species F. cretacea and F. partita. The leaf lobes of F. kachinensis resemble those of F. cretacea, while the underleaves are more similar to those of F. partita. But in taphonomy, F. kachinensis is preserved together with Protofrullania cornigera or F. baerlocheri in the same amber, which could indicate that these three species might live in the same habitat and even on the same tree. The fossils presented in this study provide additional evidence for the presence of a diverse liverwort flora, mostly composed of Frullaniaceae lineages in the mid-Cretaceous Kachin amber forest.

关键词Cretaceous epiphytic Frullania Frullaniaceae Kachin amber
DOI10.1002/gj.4222
收录类别SCI
语种英语
关键词[WOS]CRETACEOUS AMBER ; BURMESE AMBER ; SP-NOV ; JUNGERMANNIOPSIDA ; CLASSIFICATION ; DELIMITATION ; LINEAGES ; INSIGHTS ; HEPATICS ; UKRAINE
资助项目National Natural Science Foundation of China[41790454] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB26000000] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB18000000] ; German Research Foundation[428174246]
WOS研究方向Geology
WOS类目Geosciences, Multidisciplinary
WOS记录号WOS:000681509500001
项目资助者National Natural Science Foundation of China ; Strategic Priority Research Program of Chinese Academy of Sciences ; German Research Foundation
出版者WILEY
文献类型期刊论文
条目标识符http://ir.nigpas.ac.cn/handle/332004/38481
专题中国科学院南京地质古生物研究所
通讯作者Wang, Yong-Dong(王永栋)
作者单位1.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing, Peoples R China
2.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Nanjing, Peoples R China
3.Univ Gottingen, Dept Geobiol, Gottingen, Germany
4.Zhejiang Museum Nat Hist, Hangzhou, Peoples R China
第一作者单位中国科学院南京地质古生物研究所
通讯作者单位中国科学院南京地质古生物研究所
推荐引用方式
GB/T 7714
Li, Ya,Wang, Yong-Dong,Feldberg, Kathrin,et al. A new leafy liverwort of Frullania (Frullaniaceae, Porellales) from the mid-Cretaceous Kachin amber, Myanmar[J]. GEOLOGICAL JOURNAL,2021:12.
APA Li, Ya,Wang, Yong-Dong,Feldberg, Kathrin,Wang, Qiang,&Yang, Xiao-Ju.(2021).A new leafy liverwort of Frullania (Frullaniaceae, Porellales) from the mid-Cretaceous Kachin amber, Myanmar.GEOLOGICAL JOURNAL,12.
MLA Li, Ya,et al."A new leafy liverwort of Frullania (Frullaniaceae, Porellales) from the mid-Cretaceous Kachin amber, Myanmar".GEOLOGICAL JOURNAL (2021):12.
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