Charlesdowniea edwardsii
From dinoflaj3
"edwardsii" (Wilson, 1967c, p.477, figs.8–9) Lentin and Vozzhennikova, 1989, p.227. Holotype: Wilson, 1967c, fig.8. NOW Piladinium. Originally Wetzeliella, subsequently Kisselevia, thirdly Charlesdowniea, fourthly (and now) Piladinium. Age: early Eocene.