Ceratium fusus forma filosum, O. Wetzel, 1933

Now Palaeocystodinium? rhomboides ssp. filosum. Originally Ceratium cf. fusus forma filosum, subsequently (and now) Palaeocystodinium rhomboides ssp. filosum. O. Wetzel, 1933, gave the following citation, "Form d: Ceratium (Amphiceratium) cf. fusus, forma filosum n.f."

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