Abstract
A study of Rovno amber revealed two liverworts of the genus Frullania (Frullaniaceae, Marchantiophyta), new to the Late Eocene flora of Rovno amber. One of these liverworts is characterized by the mammillose surface of the upper part of ventral lobules. This taxon is described as F. ekaterinae Mamontov, Ignatov, and Perkovsky, sp. nov. The other is distinguished by the ventral lobules remote from the stem and tilted outwards. This taxon is interpreted as a new species, F. schmalhausenii Mamontov, Ignatov and Perkovsky, sp. nov.
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ACKNOWLEDGMENTS
Our thanks go to Nikolai R. Khomich (Rovno) for donating the holotype of Frullania schmalhausenii to Schmalhausen Institute of Zoology and Anatoly P. Vlaskin (Schmalhausen Institute of Zoology) for cutting and polishing the pieces.
Funding
The study was carried out within the framework of state contract no. 118021490111-5 at N.V. Tsitsin Main Botanical Garden of the Russian Academy of Sciences and partially supported by the Russian Foundation for Basin Research, project no. 19-04-01270.
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Translated by S. Nikolaeva
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Mamontov, Y.S., Ignatov, M.S. & Perkovsky, E.E. Liverworts from Rovno Amber (Ukraine). 8. Frullania ekaterinae sp. nov. and F. schmalhausenii sp. nov.. Paleontol. J. 53, 1095–1103 (2019). https://doi.org/10.1134/S0031030119100113
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DOI: https://doi.org/10.1134/S0031030119100113