Unipontidinium grande

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grande (Davey, 1975, p.153-154, pl.1, fig.9) Wrenn, 1988, p.149.  Holotype: Davey, 1975, pl.1, fig.9; Jan du Chêne et al., 1986a, pl.55, figs.1-8.  Originally Nematosphaeropsis, subsequently Impagidinium, thirdly (and now) Unipontidinium.  Age: Senonian, ?Campanian.

Parent: Unipontidinium