Paleontological Journal

, Volume 43, Issue 10, pp 1202–1216 | Cite as

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

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Abstract

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.

Key words

Middle Devonian Voronezh Region plant fossils Spongiophytales morphology anatomy ecology 

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Copyright information

© Pleiades Publishing, Ltd. 2009

Authors and Affiliations

  1. 1.Karpinsky Russian Geological Research Institute (VSEGEI)St. PetersburgRussia
  2. 2.Borissiak Paleontological Institute of the Russian Academy of SciencesMoscowRussia

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