Hystrichogonyaulax crispa

"crispa" (Wetzel, 1967a, p.870, pl.15, figs.4a–b) Sarjeant, 1980b, p.119.  Emendations: Sarjeant, 1980b, p.119, as Hystrichogonyaulax crispa; Fenton, 1981, p.255,257, 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: Hystrichogonyaulax