Deflandrea wardenensis
From dinoflaj3
"wardenensis" Williams and Downie, 1966c, p.233, pl.26, fig.5. Holotype: Williams and Downie, 1966c, pl.26, fig.5; Bujak et al., 1980, pl.11, fig.3. NOW Cerodinium. Originally Deflandrea, subsequently Ceratiopsis (combination illegitimate), thirdly (and now) Cerodinium. Age: early Eocene.