A new gigantopterid plant with cuticles from the Permian of South China
Yao, ZQ (姚兆奇); Liu, LJ (刘陆军)
2004-08-01
发表期刊REVIEW OF PALAEOBOTANY AND PALYNOLOGY
ISSN0034-6667
卷号131期号:1-2页码:29-48
摘要

A new species of gigantopterid leaf Gigantopteridium marginervum sp. nov. is described from the uppermost bed of the Kuhfeng Formation (Middle Permian, equivalent to the Wordian of the Guadalupian) of Jiangsu Province, China. The leaf is apparently simple with pinnately organized venation similar to that of Gigantopteridium americanum (White) Koidzumi in which the tertiary venation forms sutural veins between adjacent pairs of secondaries. A distinct intramarginal vein is also present. The cuticle is well preserved with cyclocytic stomata on both surfaces. Subsidiary cell of stomata on the adaxial surface form a ring of thickened cuticle surrounding each stomatal pore, while subsidiary cells of stomata on the abaxial surface are papillate with each stomatal pore surrounded or partially overarched by two to seven papillae. Gigantopteridium marginervum sp. nov. exhibits some superficial similarities both in venation and cuticular structure to the leaves of Aipteris (= Scytophyllum). The thick cuticle of G. marginervum makes it unlikely that these leaves were produced by true ferns and indicates instead that the fossil leaves assigned to G. marginervum sp. nov. were produced by some kind of seed plant. Based on cuticular characters the systematic position and the palaeoecological implications of the new species are discussed. (C) 2004 Elsevier B.V. All rights reserved.

关键词Permian Gigantopterids Gigantopteridium Marginervum Leaf Morphology Cuticles Systematic Position Palaeoecology
DOI10.1016/j.revpalbo.2004.02.007
语种英语
关键词[WOS]Cuticular Features ; Guizhou Province ; Gigantonoclea ; Morphology ; Anatomy
WOS研究方向Plant Sciences ; Paleontology
WOS类目Plant Sciences ; Paleontology
WOS记录号WOS:000223458700002
出版者ELSEVIER SCIENCE BV
文献类型期刊论文
条目标识符http://ir.nigpas.ac.cn/handle/332004/981
专题中国科学院南京地质古生物研究所
通讯作者Yao, ZQ (姚兆奇)
作者单位Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, Nanjing 210008, Peoples R China
第一作者单位中国科学院南京地质古生物研究所
通讯作者单位中国科学院南京地质古生物研究所
推荐引用方式
GB/T 7714
Yao, ZQ ,Liu, LJ . A new gigantopterid plant with cuticles from the Permian of South China[J]. REVIEW OF PALAEOBOTANY AND PALYNOLOGY,2004,131(1-2):29-48.
APA Yao, ZQ ,&Liu, LJ .(2004).A new gigantopterid plant with cuticles from the Permian of South China.REVIEW OF PALAEOBOTANY AND PALYNOLOGY,131(1-2),29-48.
MLA Yao, ZQ ,et al."A new gigantopterid plant with cuticles from the Permian of South China".REVIEW OF PALAEOBOTANY AND PALYNOLOGY 131.1-2(2004):29-48.
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