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Peltaspermalean seed ferns with preserved cuticle from the Upper Triassic Karamay Formation in the Junggar Basin, northwestern China
He, Xuezhi1,3; Shi, Tianming5; Wan, Mingli (万明礼)3; Wang, Shijun2; Hilton, Jason4; Tang, Peng (唐鹏)3; Wang, Jun (王军)3,6
2017-12-01
Source PublicationREVIEW OF PALAEOBOTANY AND PALYNOLOGY
ISSN0034-6667
Volume247Pages:68-82
Abstract

Foliage of a new peltaspermalean seed fern is described on the basis of a large collection of well-preserved plant adpressions with cuticle from the Upper Triassic Karamay Formation in Xinjiang Province, NW China. Pinnae are lanceolate with undulate-dentate margins and with fascicular lateral veins in lobes. Tertiary veins are simple as are interfascicular veins that occur between fascicular lateral veins. Cuticles are thick, amphistomatic, with abaxial and adaxial cuticles being similar to each other and having clear costal and intercostal areas. Stomata are sunken and randomly distributed on both the abaxial and the adaxial cuticle. The stomatal complex is monocyclic and comprises 4-7 subsidiary cells. Papillae are present on ordinary cells and on subsidiary cells surround the stomatal aperture. The adaxial leaf surface has a stomatal index of 3.27 and an average stomatal density of 15 per mm(2), whereas the abaxial surface has a stomatal index of 5.25 and an average stomatal density of 30 per mm(2). This is the first report of the cuticular structure of Scytophyllum from the Junggar Basin, which now enables detailed comparison with other species of the genus from Eurasia. Analysis of the sedimentary succession containing Scytophyllum suggests a humid or seasonally dry environment, but the thick cuticles with sunken stomata and abundant papillae indicate that the plant was adapted to living in water-stressed conditions. (C) 2017 Elsevier B.V. All rights reserved.

KeywordScytophyllum Aipteris Pteridosperm Epidermis Xinjiang
DOI10.1016/j.revpalbo.2017.08.002
Indexed BySCI
Language英语
WOS KeywordPermian Paleobotany ; Xinjiang ; Plant ; Genus ; Systematics ; Palynology ; Foliage ; Texas ; West ; Nov
Funding ProjectChinese Academy of Sciences[XDPB05] ; Chinese Academy of Sciences[XDB18030400] ; National Natural Science Foundation of China[41502006] ; National Natural Science Foundation of China[41530101] ; National Natural Science Foundation of China[41372011] ; National Natural Science Foundation of China[41372020] ; National Natural Science Foundation of China[J1210006] ; National Natural Science Foundation of China[41472005] ; State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, CAS)[173109] ; Anhui Geological Museum Collecting, Preparation and Research Fund ; China Scholarship Council (CSC)
WOS Research AreaPlant Sciences ; Paleontology
WOS SubjectPlant Sciences ; Paleontology
WOS IDWOS:000417671300006
Funding OrganizationChinese Academy of Sciences ; National Natural Science Foundation of China ; State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, CAS) ; Anhui Geological Museum Collecting, Preparation and Research Fund ; China Scholarship Council (CSC)
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/14011
Collection中国科学院南京地质古生物研究所
其他
Corresponding AuthorWang, Jun (王军)
Affiliation1.Anhui Geol Museum, Hefei 230031, Anhui, Peoples R China
2.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot LSB, Beijing 100093, Peoples R China
3.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, Dept Palaeobot & Palynol, State Key Lab Palaeobiol & Stratig LPS, Nanjing 210008, Jiangsu, Peoples R China
4.Univ Birmingham, Sch Geog Earth & Environm Sci, Birmingham B15 2TT, W Midlands, England
5.PetroChina, Xinjiang Oilfield Co, Res Inst Expt & Detect, Karamay 834000, Peoples R China
6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
He, Xuezhi,Shi, Tianming,Wan, Mingli ,et al. Peltaspermalean seed ferns with preserved cuticle from the Upper Triassic Karamay Formation in the Junggar Basin, northwestern China[J]. REVIEW OF PALAEOBOTANY AND PALYNOLOGY,2017,247:68-82.
APA He, Xuezhi.,Shi, Tianming.,Wan, Mingli .,Wang, Shijun.,Hilton, Jason.,...&Wang, Jun .(2017).Peltaspermalean seed ferns with preserved cuticle from the Upper Triassic Karamay Formation in the Junggar Basin, northwestern China.REVIEW OF PALAEOBOTANY AND PALYNOLOGY,247,68-82.
MLA He, Xuezhi,et al."Peltaspermalean seed ferns with preserved cuticle from the Upper Triassic Karamay Formation in the Junggar Basin, northwestern China".REVIEW OF PALAEOBOTANY AND PALYNOLOGY 247(2017):68-82.
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