Palaeoperidinium huanghuaense

?huanghuaense (Jiabo, 1978, p.56, pl.1, figs.1–3) Lentin and Williams, 1981, p.210.  Holotype: Jiabo, 1978, pl.1, fig.1.  Originally Pentagonum (generic name illegitimate), subsequently (and now) Palaeoperidinium.  Questionable assignment: Evitt et al. (1998, p.48).  Age: Early Tertiary.

Parent: Palaeoperidinium