Gonyaulacysta? superornata (Wetzel, 1967a, p.869, pl.16, figs.8a-b) Eisenack and Kjellström, 1971, p.306g. Emendation: Sarjeant, 1980b, p.124-125, as Meiourogonyaulax superornata.

NOW Meiourogonyaulax. Originally Gonyaulax (Appendix B), subsequently (and now) Meiourogonyaulax, thirdly Gonyaulacysta?, fourthly Lithodinia, fifthly Lithodinia?.

Holotype: W. Wetzel, 1967, pl.16, figs.8a-b
Age: Bathonian