Gonyaulax longicornis Appendix B

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"longicornis" Downie, 1957, p.420, pl.20, fig.8; text-figs.2a–b.  Holotype: Downie, 1957, pl.20, fig.8; text-figs.2a–b; Jan du Chêne et al., 1986a, pl.30, fig.1.  NOW Cribroperidinium?.  Originally Gonyaulax, subsequently Gonyaulacysta, thirdly Gonyaulacysta?, fourthly Millioudodinium, fifthly (and now) Cribroperidinium?.  Age: late Kimmeridgian.

Parent: Gonyaulax_Appendix B