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Cuticle ultrastructure of Baiera furcata from Northeast China and its implication in taxonomy and paleoenvironment
Guignard, Gaetan1,2; Yang, Xiao-Ju3; Wang, Yong-Dong3
2019-09-01
Source PublicationREVIEW OF PALAEOBOTANY AND PALYNOLOGY
ISSN0034-6667
Volume268Pages:95-108
AbstractA study on the leaf cuticle ultrastructures of Baiera furcato from the Lower Cretaceous Huolinhe Formation in East Inner Mongolia, Northeast China, was conducted with transmission electron microscopy (TEM) and elements analysis by Energy Dispersive Spectroscopy (EDS). TEM observation revealed the ultrastructural details from ordinary epidermal cells for both upper and lower cuticles, and stomata) apparatus, which were all made with A2 (granular) and B1 (fibrilous) layers. Additionally, well-preserved cell remnants were also observed. Comparisons with other cuticles of the Ginkgoales were made using statistical measurements and evaluations of some potential Order characteristics, and genus-species characteristics were also emphasized. Two potential ultrastructural groups can be recognized: Baiera-Sphenobaiera and Ginkgo-Ginkgoites-Pseudotorellia. This is reinforced by EDS element analysis, whereby ratios could also be compared with another closely related Ginkgoalean taxon Sphenobaiera huangii. The paleoenvironment significances is discussed, and it seems to support the TEM and EDS results. It indicates a signature in the cuticle fine details of Sphenobaiera, which has experienced a putatively warmer paleoenvironrnent than that of Baiera. (C) 2019 Elsevier B.V. All rights reserved.
KeywordBaiera Sphenobaiera Cuticle ultrastructures Stomata Cretaceous
DOI10.1016/j.revpalbo.2019.05.006
Language英语
WOS KeywordFOSSIL PLANT CUTICLES ; CRETACEOUS DALAZI FORMATION ; PENNSYLVANIAN SEED FERN ; SANTA-CRUZ PROVINCE ; AGAVE-AMERICANA L ; LEAF CUTICLE ; WATER PERMEABILITY ; CUTICULAR MEMBRANE ; FUNCTIONAL-GROUPS ; POTASSIUM-SALTS
Funding ProjectNational Natural Science Foundation of China[41472011] ; National Natural Science Foundation of China[41688103] ; National Natural Science Foundation of China[41790454] ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences[XDB1800000]
WOS Research AreaPlant Sciences ; Paleontology
WOS SubjectPlant Sciences ; Paleontology
WOS IDWOS:000480672000009
Funding OrganizationNational Natural Science Foundation of China ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/27968
Collection中国科学院南京地质古生物研究所
Corresponding AuthorYang, Xiao-Ju
Affiliation1.Univ Lyon 1, F-69622 Lyon, France
2.CNRS, MIR LEHNA 5023, 7-9 Rue Raphael Dubois, F-69622 Villeurbanne, France
3.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, 39 East Beijing Rd, Nanjing 210008, Jiangsu, Peoples R China
Corresponding Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Recommended Citation
GB/T 7714
Guignard, Gaetan,Yang, Xiao-Ju,Wang, Yong-Dong. Cuticle ultrastructure of Baiera furcata from Northeast China and its implication in taxonomy and paleoenvironment[J]. REVIEW OF PALAEOBOTANY AND PALYNOLOGY,2019,268:95-108.
APA Guignard, Gaetan,Yang, Xiao-Ju,&Wang, Yong-Dong.(2019).Cuticle ultrastructure of Baiera furcata from Northeast China and its implication in taxonomy and paleoenvironment.REVIEW OF PALAEOBOTANY AND PALYNOLOGY,268,95-108.
MLA Guignard, Gaetan,et al."Cuticle ultrastructure of Baiera furcata from Northeast China and its implication in taxonomy and paleoenvironment".REVIEW OF PALAEOBOTANY AND PALYNOLOGY 268(2019):95-108.
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