Abstract

The taxonomic composition of the Middle Ginter Flora of the Ugol’naya Bay area (northeastern Russia) is supplemented with new data based on newly determined and revised materials. The uniqueness of the flora lies in the fact that its age (Middle Cenomanian) is dated to a zone by marine fauna. The floristic assemblage contains 29 species of fossil plants and is dominated by angiosperms and conifers. The refined taxonomic list shows even greater than was earlier supposed similarity of the flora to the Grebenka assemblage from the Krivorechenskaya Formation at the left bank of the Anadyr River, which is the type assemblage of the Grebenka phase of the flora development in northeastern Russia. A new combination is proposed: Ettingshausenia louravetlanica (Herman et Shczepetov) Herman et Moiseeva, comb. nov.

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