Palaeocystodinium rhomboides subsp. ovatum

subsp. ovatum (Wetzel, 1933a, p.168-169, pl.2, fig.18) Lentin and Williams, 1973, p.104.  Holotype: Wetzel, 1933a, pl.2, fig.18.  Originally Ceratium fusus forma ovatum (Appendix B), subsequently (and now) Palaeocystodinium? rhomboides subsp. ovatum.  Age: Senonian. Parent: Palaeocystodinium rhomboides