Leptodinium dispertitum
From dinoflaj2
"dispertitum" Cookson and Eisenack, 1965a, p.122-123, pl.12, figs.5-7. Holotype: Cookson and Eisenack, 1965a, pl.12, figs.5-6; Jan du Chêne et al., 1986a, pl.149, figs.11-16; Fensome et al., 1993a, figs.1-2 - p.1127. NOW Impagidinium. Originally Leptodinium, subsequently (and now) Impagidinium. Age: Late Eocene.
Parent: Leptodinium