Palaeocystodinium rhomboides ssp. filosum (O. Wetzel, 1933) Lentin and Williams, 1973

Originally Ceratium cf. fusus forma filosum, subsequently (and now) Palaeocystodinium? rhomboides ssp. filosum.

Holotype: O. Wetzel, 1933, pl.2, fig.20
Age: Senonian