Pterodinium verrucosum Brideaux and McIntyre, 1975,

Now Impagidinium. Originally Pterodinium, subsequently (and now) Impagidinium.

Holotype: Brideaux and McIntyre, 1975, pl.9, figs.1-4 and Jan du Chêne et al., 1986, pl.64, figs.16-19
Age: Middle Albian