Saeptodinium eurypylum

"eurypylum" (Manum and Cookson, 1964, p.20–21, pl.4, figs.7–13) Stover and Evitt, 1978, p.220.  Holotype: Manum and Cookson, 1964, pl.4, figs.9–10.  NOW Palaeoperidinium? Originally Scriniodinium, subsequently Palaeoperidinium, thirdly Saeptodinium, fourthly (and now) Palaeoperidinium? Age: Late Cretaceous.

Parent: Saeptodinium