Leptodinium eumorphum

eumorphum (Cookson and Eisenack, 1960b, p.246, pl.37, figs.1–3; text-fig.3) Sarjeant in Davey et al., 1969, p.12.  Holotype: Cookson and Eisenack, 1960b, pl.37, fig.1; Jan du Chêne et al., 1986a, pl.75, fig.4.  Originally Gonyaulax (Appendix B), subsequently Gonyaulacysta (combination not validly published), thirdly (and now) Leptodinium.  Age: Late Jurassic.

Parent: Leptodinium