Palaeoperidinium basilium

"basilium" (Drugg, 1967, p.13, pl.1, figs.9–11; pl.9, figs.1a–b) Drugg, 1970b, p.810.  Holotype: Drugg, 1967, pl.1, fig.11.  Originally Peridinium (Appendix B), subsequently Palaeoperidinium.  Taxonomic senior synonym: Peridinium (as and now Palaeoperidinium) pyrophorum, according to Stover and Evitt (1978, p.218).  Age: ?Maastrichtian–Danian.

Parent: Palaeoperidinium