Wetzeliella spinula
From dinoflaj3
"spinula" (Bujak, 1979, p.313, pl.2, figs.3–9; text-fig.8E) Lentin and Vozzhennikova, 1989, p.228. Holotype: Bujak, 1979, pl.2, figs.3–5; Bujak et al., 1980, pl.15, fig.6. NOW Rhombodinium. Originally Gochtodinium, subsequently Wetzeliella, thirdly (and now) Rhombodinium. N.I.A. Age: middle Eocene (see Aubry, 1986).