Phthanoperidinium delicatum
From dinoflaj2
delicatum Michoux, 1985, p.147-148, pl.2, figs.1-4; pl.3, figs.1-5,13-14; text-fig.7. Holotype: Michoux, 1985, pl.2, figs.1-4; text-fig.7. Age: Early-Mid Eocene.
Parent: Phthanoperidinium