Hystrichogonyaulax crispa
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"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: Mid Jurassic.
Parent: Hystrichogonyaulax