Distatodinium ellipticum
From dinoflaj3
ellipticum (Cookson, 1965a, p.87–88, pl.11, figs.1–3,3a) Eaton, 1976, p.264. Holotype: Cookson, 1965a, pl.11, fig.1. Originally Hystrichosphaeridium, subsequently Tanyosphaeridium, thirdly (and now) Distatodinium. Age: late Eocene.