Leptodinium millioudii (Sarjeant, 1963) Sarjeant, 1969

Originally Gonyaulax, subsequently (and now) Leptodinium. See also Gonyaulacysta (combination not validly published).
Holotype: Sarjeant, 1963, pl.1, figs.4-7; Jan du Chêne et al., 1986, pl.71, figs.4-7
Age: Oxfordian