Rhombodinium porosum
From dinoflaj2
porosum Bujak, 1979, p.314-315, pl.1, figs.3,5-8; pl.2, fig.11; text-fig.8C. Holotype: Bujak, 1979, pl.1, figs.5-6; Bujak et al., 1980, pl.20, fig.8. Age: Mid Eocene.
Parent: Rhombodinium