Millioudodinium crispum

"crispum" (Wetzel, 1967a, p.870, pl.15, figs.4a–b) Stover and Evitt, 1978, p.173.  Emendations: Sarjeant, 1980b, p.119–120, as Hystrichogonyaulax crispa; Fenton, 1981, p.255–256, as Cribroperidinium crispum.  Holotype: Wetzel, 1967a, pl.15, figs.4a–b; Dietz et al., 1999, text-fig.5a.  NOW Cribroperidinium.  Originally Gonyaulax (Appendix B), subsequently Gonyaulacysta, thirdly Millioudodinium, fourthly Hystrichogonyaulax, fifthly (and now) Cribroperidinium, sixthly Acanthaulax.  Age: Middle Jurassic.

Parent: Millioudodinium