Palaeocystodinium rhomboides subsp. filosum

subsp. filosum (Wetzel, 1933a, p.169, pl.2, fig.20) Lentin and Williams, 1973, p.103.  Holotype: Wetzel, 1933a, pl.2, fig.20.  Originally Ceratium fusus forma filosum (Appendix B), subsequently (and now) Palaeocystodinium? rhomboides subsp. filosum.  Age: Senonian. Parent: Palaeocystodinium rhomboides