Istchenkophyton filiciforme gen. et sp. nov., a new small vascular plant with thick cuticle from the Devonian of Voronezh Region (European Russia)

被引：0
|
作者：
A. V. Broushkin
N. V. Gordenko
机构：
[1] Karpinsky Russian Geological Research Institute (VSEGEI),
[2] Borissiak Paleontological Institute of the Russian Academy of Sciences,undefined
来源：
Paleontological Journal | 2009年 / 43卷
关键词：
Middle Devonian; Voronezh Region; plant fossils; Spongiophytales; morphology; anatomy; ecology;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Remains of a new small vascular plant, Istchenkophyton filiciforme gen. et sp. nov., are described from the Upper Givetian strata of Pavlovsk vicinity (Voronezh Region). The plant is characterized by a very thick cuticle (up to 300 μm), complex branching pattern, similar to that of a frond rachis, anomocytic stomata, and a well-developed vascular bundle with a central elongated in transversal section protoxylem strand and massive metaxylem composed chiefly of scalariform bordered-pitted tracheids. A reconstruction of the new plant is proposed; its ecology and systematic position are considered. In the light of new data relationships of problematic Devonian plants with thick cuticle are discussed.
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页码：1202 / 1216
页数：14
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