Heteraulacacysta porosa
From dinoflaj2
porosa Bujak in Bujak et al., 1980, p.62, pl.15, figs.10-13; text-figs.14B-C. Holotype: Bujak et al., 1980, pl.15, fig.10. Age: Mid Eocene (see Aubry, 1986).
Parent: Heteraulacacysta