Millioudodinium bacculatum (Baltes, 1971) Stover and Evitt, 1978

Now Leptodinium?. Originally Leptodinium, subsequently Millioudodinium, thirdly Rhynchodiniopsis?, fourthly (and now) Leptodinium?.
Lentin and Williams, 1985, agreed with Helenes, 1984, that pending re-examination, this species should be questionably retained in Leptodinium Klement, 1960.

Holotype: Baltes, 1971, pl.1, figs.4-5
Age: Early Pliocene