Impagidinium cristatum

cristatum (May, 1980, p.57, pl.5, figs.16–20) Lentin and Williams, 1981, p.153.  Holotype: May, 1980, pl.5, figs.16–20.  Originally Leptodinium, subsequently (and now) Impagidinium.  Age: late Campanian–early Maastrichtian.

Parent: Impagidinium