Wilsonidium tabulatum
From dinoflaj3
*tabulatum (Wilson, 1967c, p.473–474, figs.2a–b,4–7,10–11) Lentin and Williams, 1976, p.138,140. Holotype: Wilson, 1967c, figs.4–6; Fensome et al., 1996, figs.1–3 — p.2397. Originally Wetzeliella, subsequently (and now) Wilsonidium. Age: late Eocene.