Scriniodinium eurypylum
From dinoflaj3
"eurypylum" Manum and Cookson, 1964, p.20–21, pl.4, figs.7–13. 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: Scriniodinium