Phthanoperidinium multispinum
From dinoflaj2
multispinum Bujak in Bujak et al., 1980, p.74, pl.19, figs.17-19; text-fig.20F. Holotype: Bujak et al., 1980, pl.19, fig.18. Age: Mid Eocene (see Aubry, 1986).
Parent: Phthanoperidinium
