Dioxya rotunda
From dinoflaj2
"rotunda" (Wilson, 1967a, p.65-66, figs.6-7) Morgan, 1977, p.131. Holotype: Wilson, 1967a, fig.6. NOW Vozzhennikovia. Originally Spinidinium, subsequently (and now) Vozzhennikovia, thirdly Dioxya. Age: Eocene.
Parent: Dioxya