Gonyaulacysta millioudii

"millioudii" (Sarjeant, 1963c, p.87–88, pl.1, figs.4–7) Sarjeant, 1966b, p.131.  Holotype: Sarjeant, 1963c, pl.1, figs.4–7; Jan du Chêne et al., 1986a, pl.71, figs.4–7.  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: early Oxfordian.

Parent: Gonyaulacysta