Phthanoperidinium delicatum
From dinoflaj3
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-middle Eocene.
Parent: Phthanoperidinium