Impagidinium grande
From dinoflaj2
"grande" (Davey, 1975, p.153-154, pl.1, fig.9) Jan du Chêne et al., 1986a, p.168. Holotype: Davey, 1975, pl.1, fig.9; Jan du Chêne et al., 1986a, pl.55, figs.1-8. NOW Unipontidinium. Originally Nematosphaeropsis, subsequently Impagidinium, thirdly (and now) Unipontidinium. Age: Senonian ?Campanian.
Parent: Impagidinium
