Gonyaulacysta eumorpha
From dinoflaj3
"eumorpha" (Cookson and Eisenack, 1960b, p.246, pl.37, figs.1–3; text-fig.3) Sarjeant, 1966b, p.131. Holotype: Cookson and Eisenack, 1960b, pl.37, fig.1; Jan du Chêne et al., 1986a, pl.75, fig.4. Combination not validly published: basionym not fully referenced. NOW Leptodinium. Originally Gonyaulax (Appendix B), subsequently Gonyaulacysta (combination not validly published), thirdly (and now) Leptodinium. Age: Late Jurassic.
Parent: Gonyaulacysta