A new fossil species of Cryptomeria (Cupressaceae) from the Rupelian of the Luhe Basin, Yunnan, East Asia: Implications for palaeobiogeography and palaeoecology
Ding, Wen-Na1,2; Kunzmann, Lutz4; Su, Tao1; Huang, Jian1,2; Zhou, Zhe-Kun1,3
2018
发表期刊REVIEW OF PALAEOBOTANY AND PALYNOLOGY
ISSN0034-6667
卷号248页码:41-51
摘要Cryptomeria (Cupressaceae) is a relic genus that was widely distributed throughout Eurasia during the Cenozoic Interpretation ofthe biogeographic history of this genus is currently limited by lack of fossil records from the Paleogene of East Asia. Here, we report on a new fossil species oi Cryptomeria, Cryptomeria yunnanensis W.N. Ding et Z.K. Zhou sp. nov., based on well-preserved compressions and impressions from the Rupelian (-32 Ma) ofthe Liihe Basin, Yunnan, Southwest China. Sterile shoots are assigned to Cryptomeria based on gross-morphological and cuticular (morphological) characters and are compared with extant and fossils species described so far. The shoots exhibit spirally arranged sessile subulate leaves, leaf cuticles show densely arranged and irregularly oriented monocyclic stomata, which are characteristic for the genus. Contemporary and historical distributions of Cryptomeria suggest that a decrease of precipitation in former distribution areas in East Asia may have been crucial in shaping the present relic distribution pattern of this ancient conifer. (c) 2017 Published by Elsevier B.V.
关键词Cryptomeria Cuticle Micromorphology Oligocene China Fossil History Climate Change
语种英语
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文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/60600
专题植物化学与西部植物资源持续利用国家重点实验室
作者单位1.Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Key Lab Trop Forest Ecol, Menglun 666303, Yunnan, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Kunming 650204, Yunnan, Peoples R China
4.Senckenberg Nat Hist Collect Dresden, Konigsbrucker Landstr 159, D-09011 Dresden, Germany
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Ding, Wen-Na,Kunzmann, Lutz,Su, Tao,et al. A new fossil species of Cryptomeria (Cupressaceae) from the Rupelian of the Luhe Basin, Yunnan, East Asia: Implications for palaeobiogeography and palaeoecology[J]. REVIEW OF PALAEOBOTANY AND PALYNOLOGY,2018,248:41-51.
APA Ding, Wen-Na,Kunzmann, Lutz,Su, Tao,Huang, Jian,&Zhou, Zhe-Kun.(2018).A new fossil species of Cryptomeria (Cupressaceae) from the Rupelian of the Luhe Basin, Yunnan, East Asia: Implications for palaeobiogeography and palaeoecology.REVIEW OF PALAEOBOTANY AND PALYNOLOGY,248,41-51.
MLA Ding, Wen-Na,et al."A new fossil species of Cryptomeria (Cupressaceae) from the Rupelian of the Luhe Basin, Yunnan, East Asia: Implications for palaeobiogeography and palaeoecology".REVIEW OF PALAEOBOTANY AND PALYNOLOGY 248(2018):41-51.
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