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Gonyaulacysta crispa
Gonyaulacysta "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.
NOW Cribroperidinium. Originally Gonyaulax (Motile stage), subsequently Gonyaulacysta, thirdly Millioudodinium, fourthly Hystrichogonyaulax, fifthly (and now) Cribroperidinium, sixthly Acanthaulax.
Holotype: Wetzel, 1967a, pl.15, figs.4a-b; Dietz et al., 1999, text-fig.5a.
Age: Mid Jurassic.
NOW Cribroperidinium. Originally Gonyaulax (Motile stage), subsequently Gonyaulacysta, thirdly Millioudodinium, fourthly Hystrichogonyaulax, fifthly (and now) Cribroperidinium, sixthly Acanthaulax.
Holotype: Wetzel, 1967a, pl.15, figs.4a-b; Dietz et al., 1999, text-fig.5a.
Age: Mid Jurassic.