Wilsonidium echinosuturatum
From dinoflaj3
"echinosuturatum" (Wilson, 1967c, p.477,479, figs.3,22–25) Lentin and Williams, 1976, p.139. Holotype: Wilson, 1967c, figs.22–24. NOW Vallodinium? Originally Wetzeliella, subsequently Wilsonidium, thirdly (and now) Vallodinium? Age: middle Eocene.
