From Fensome et al., 2019:
Vozzhennikovia tenera (Krutzsch, 1962) Lentin and Williams, 1976
Now Geiselodinium. Originally Deflandrea?, subsequently Vozzhennikovia, thirdly Dioxya, fourthly (and now) Geiselodinium.
Morgan, 1977, transferred this species to Dioxya Cookson and Eisenack, 1958. Lentin and Williams, 1981, retained it in Vozzhennikovia.
Holotype: Krutzsch, 1962, pl.11, figs.20-22
Age: Middle Eocene

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