First Occurrence of Platycladus from the Upper Miocene of Southwest China and Its Phytogeographic Implications
Wu, JY; Ding, ST(丁素婷); Li, QJ; Zhao, ZR; Sun, BN(孙柏年); Wu, JY (reprint author), Lanzhou Univ, Sch Earth Sci, Key Lab Mineral Resources Western China Gansu Pro, Lanzhou 730000, Peoples R China.
收录类别SCIE ; PubMed ; MEDLINE ; BIOSIS
2014-12-17
发表期刊PLOS ONE
卷号9期号:12页码:-
出版者PLOS
出版地SAN FRANCISCO
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...更多
学科领域Science & Technology - Other Topics
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]
资助项目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
DOI10.1371/journal.pone.0115141
ISSN1932-6203
文章类型Article
语种英语
WOS记录号WOS:000347215600044
PM记录号25517767
BIOSIS记录号BIOSIS:PREV201500145944
第一机构
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文献类型期刊论文
条目标识符http://ir.lzu.edu.cn/handle/262010/120660
Collection地质科学与矿产资源学院
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.
Recommended Citation:
GB/T 7714
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):-.
APA Wu, JY,Ding, ST,Li, QJ,Zhao, ZR,Sun, BN,&Wu, JY .(2014).First Occurrence of Platycladus from the Upper Miocene of Southwest China and Its Phytogeographic Implications.PLOS ONE,9(12),-.
MLA Wu, JY,et al."First Occurrence of Platycladus from the Upper Miocene of Southwest China and Its Phytogeographic Implications".PLOS ONE 9.12(2014):-.
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