Gonyaulax margaritifera Appendix B

"margaritifera" Cookson and Eisenack, 1960a, p.5–6, pl.2, figs.1–2; text-fig.1.  Holotype: Cookson and Eisenack, 1960a, pl.2, fig.1; Jan du Chêne et al., 1986a, pl.54, fig.6.  NOW Impagidinium.  Originally Gonyaulax, subsequently Gonyaulacysta (combination not validly published), thirdly Leptodinium, fourthly (and now) Impagidinium.  Age: Campanian.

Parent: Gonyaulax_Appendix B