Gonyaulacysta aceras

"?aceras" (Eisenack, 1958a, p.391, pl.21, figs.1–2) Sarjeant, 1966b, p.131.  Emendation: Sarjeant, 1985a, p.57,59, as Cribroperidinium aceras.  Holotype: Eisenack, 1958a, pl.21, fig.1; Sarjeant, 1985a, pl.4, figs.1–2; Jan du Chêne et al., 1986a, pl.2, figs.6–7.  Combination not validly published: basionym not fully referenced.  NOW Cribroperidinium.  Originally Gonyaulax (Appendix B), subsequently Gonyaulacysta? (combination not validly published), thirdly Leptodinium, fourthly Acanthaulax?, fifthly (and now) Cribroperidinium.  Questionable assignment: Sarjeant (1966b, p.131).  Age: Aptian.

Parent: Gonyaulacysta