Paleontological Journal

, 45:459 | Cite as

The new species Ettingshausenia sarbaensis (Angiospermae) from the Cenomanian-Turonian of Western Kazakhstan in light of the problem of classification of dispersed cretaceous Platanus-like leaves

  • N. P. Maslova
  • P. V. Shilin


Based on morphological and epidermal characters of the leaf, a new species, Ettingshausenia sarbaensis sp. nov., from the Cenomanian-Turonian of western Kazakhstan is described. In fossil Platanus-like leaves, the unique epidermal structure, with the combination of encyclocytic, laterocytic, and paracytic stomata and the presence of trichomes on one or from two to seven epidermal cells, is shown for the first time. Based on variations in morphological and epidermal characters, two morphotypes corresponding to groups of sun and shade leaves are recognized. The expediency of consideration of dispersed Cretaceous Platanus-like leaves within the framework of morphological classification of leaves is discussed.


Ettingshausenia morphology and epidermal structure of leaves morphological system Cenomanian-Turonian 


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© Pleiades Publishing, Ltd. 2011

Authors and Affiliations

  1. 1.Borissiak Paleontological InstituteRussian Academy of SciencesMoscowRussia
  2. 2.Institute of Botany and PhytointroductionCommittee of Sciences and Education of the Republic KazakhstanAlmatyKazakhstan

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