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兰州大学机构库  > 地质科学与矿产资源学院  > 期刊论文
题名: First Occurrence of Platycladus from the Upper Miocene of Southwest China and Its Phytogeographic Implications
作者: Wu, JY; Ding, ST(丁素婷); Li, QJ; Zhao, ZR; Sun, BN(孙柏年)
收录类别: SCIE ; PubMed ; MEDLINE ; BIOSIS
出版日期: 2014-12-17
刊名: PLOS ONE
卷号: 9, 期号:12, 页码:-
出版者: PLOS
出版地: SAN FRANCISCO
英文摘要: Platycladus Spach is native to Central China, but its natural occurrences are very difficult to establish. According to molecular phylogenetic data, this genus might have originated since the Oligocene, but no fossil record has been reported. Here, we describe eight foliage branches from the upper Miocene in western Yunnan, Southwest China as a new species, P. yunnanensis sp. nov., which is characterized by foliage branches spread in flattened sprays, and leaves decussate, imbricate, scale-like and dimorphic. The leaves are amphistomatic, and the stomata are elliptical or oblong, haplocheilic, and monocyclic type. Based on a detailed comparison with the extant genera of Cupressaceae sensu lato, our fossils are classified into the genus Platycladus. The occurrence of P. yunnanensis sp. nov. indicates that this genus had a more southernly natural distribution in the late Miocene than at present. Molecular phylogeny and fossil records support a pre-Oligocene common ancestor for the genera Platycladus, Microbiota and Calocedrus. The separation of the three taxa was most likely caused by the arid belt across Central China during the Oligocene. In addition, the cooling down of the global temperature and the strengthening of Asian monsoon since the Miocene will further promote the migration of these genera.
作者部门: [Wu, Jing-Yu ; Ding, Su-Ting ; Li, Qi-Jia ; Zhao, Zhen-Rui ; Sun, Bai-Nian] Lanzhou Univ, Sch Earth Sci, Key Lab Mineral Resources Western China Gansu Pro, Lanzhou 730000, Peoples R China ; [Wu, Jing-Yu ; Ding, Su-Ting ; Li, Qi-Jia ; Zhao, Zhen-Rui ; Sun, Bai-Nian] Lanzhou Univ, Coll Earth & Environm Sci, Lanzhou 730000, Peoples R China ; [Wu, Jing-Yu] Chinese Acad Sci, Nanjing Inst Geol & Paleontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Jiangsu, Peoples R China
通讯作者: Wu, JY (reprint author), Lanzhou Univ, Sch Earth Sci, Key Lab Mineral Resources Western China Gansu Pro, Lanzhou 730000, Peoples R China.
学科分类: Science & Technology - Other Topics
文章类型: Article
所属项目编号: National Natural Science Foundation of China [41302009, 41172021, 41271024] ; NSFC-RFBR [413111050] ; China Postdoctoral Science Foundation [2011M500960] ; Foundation of the State Key Laboratory of Paleobiology and Stratigraphy ; Nanjing Institute of Geology and Paleontology ; Chinese Academy of Sciences [133102]
所属项目名称: 国家自然科学基金项目 ; 中国博士后科学基金
项目资助者: NSFC ; CPSF
语种: 英语
DOI: 10.1371/journal.pone.0115141
ISSN号: 1932-6203
WOS记录号: WOS:000347215600044
PM记录号: 25517767
BIOSIS记录号: BIOSIS:PREV201500145944
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/120660
Appears in Collections:地质科学与矿产资源学院_期刊论文

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Recommended Citation:
Wu, JY,Ding, ST,Li, QJ,et al. First Occurrence of Platycladus from the Upper Miocene of Southwest China and Its Phytogeographic Implications[J]. PLOS ONE,2014,9(12):-.
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