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Cycads in the Permian of thе Subangara Region

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Abstract

Remains of cladosperms attributed to Cycadales and described as Dioonitocarpidium rossicum sp. nov. were found in the Kazanian of the Russian Platform. They confirm the presence of Cycadales in the Permian of the Subangara Region, previously suggested by finds of vegetative leaves. The significance of Dioonitocarpidium as a possible initial form in the evolution of the Cycadales in the Mesozoic and Cenozoic is discussed.

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ACKNOWLEDGMENTS

The author thanks the members of the staff of the Arthropod Laboratory of the Borissiak Institute of Paleontology (PIN), Russian Academy of Sciences, A.S. Bashkuev, D.S. Kopylov, and D.E. Shcherbakov for the assistance in collection of the material taken as a basis of the present paper, as well as I.A. Ignat’ev and Yu.V. Moseichik for providing an opportunity to become familiarized with the collections housed at the Laboratory of Paleofloristics of the Institute of Geology, Russian Academy of Sciences (GIN RAN).

Funding

This work was conducted as a part of the State Assignment, no. АААА-А19-119021190031-8 to Komarov Botanical Institute, Russian Academy of Sciences (BIN RAS).

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  1. Komarov Botanical Institute, Russian Academy of Sciences, 197376, St. Petersburg, Russia

    A. V. Gomankov

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Correspondence to A. V. Gomankov.

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Translated by E. Kuznetsova

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Gomankov, A.V. Cycads in the Permian of thе Subangara Region. Paleontol. J. 56, 317–326 (2022). https://doi.org/10.1134/S0031030122030066

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