Dioxya tenera (Krutzsch, 1962) Morgan, 1977

Now Geiselodinium. Originally Deflandrea?, subsequently Vozzhennikovia, thirdly Dioxya, fourthly (and now) Geiselodinium.
Lentin and Williams, 1981, retained this species in Geiselodinium Krutzsch, 1962.
Holotype: Krutzsch, 1962, pl.11, figs.20-22
Age: Middle Eocene