Abstract
Fossil plants of the Chingandzha flora were studied from volcanogenic sediments of the Chingandzha and Rond formations on the northern coast of the Sea of Okhotsk. It was concluded that all platanaceous leaves earlier described in this flora as different taxa belong to one highly variable species, Pseudoprotophyllum cordatum Samyl. emend. Shczepetov et Golovneva.
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Shczepetov, S.V., Golovneva, L.B. Morphological diversity of leaves of Pseudoprotophyllum (Platanaceae) from the Turonian-Coniacian of the northern coast of the Sea of Okhotsk. Paleontol. J. 43, 1330–1338 (2009). https://doi.org/10.1134/S0031030109100141
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DOI: https://doi.org/10.1134/S0031030109100141