Impagidinium aquaeductus
From dinoflaj2
"aquaeductus" (Piasecki, 1980, p.70, pl.1, figs.1-3; pl.5, figs.1-2) Lentin and Williams, 1985, p.194. Holotype: Piasecki, 1980, pl.1, figs.1-3. NOW Unipontidinium. Originally Nematosphaeropsis, subsequently Nematosphaeropsis?, thirdly Impagidinium, fourthly (and now) Unipontidinium. N.I.A. Age: Mid Miocene.
Parent: Impagidinium