Gonyaulacysta episoma
From dinoflaj2
"episoma" Sarjeant, 1966b, p.118-119, pl.13, figs.9-10; text-fig.27. Holotype: Sarjeant, 1966b, pl.13, figs.9-10; text-fig.27; Jan du Chêne et al., 1986a, pl.67, figs.15-16. NOW Leptodinium. Originally Gonyaulacysta, subsequently Millioudodinium, thirdly Rhynchodiniopsis, fourthly (and now) Leptodinium. Age: Late Barremian.
Parent: Gonyaulacysta