Impagidinium verrucosum (Brideaux and McIntyre, 1975, p.30, pl.9, figs.1-8) Stover and Evitt, 1978, p.166.

Holotype: Brideaux and McIntyre, 1975, pl.9, figs.1-4; Jan du Chêne et al., 1986a, pl.64, figs.16-19.
Originally Pterodinium, subsequently (and now) Impagidinium.
Age: Mid Albian.