Dinogymnium evittii Boltenhagen, 1977

Now Alisogymnium. Originally Dinogymnium, subsequently (and now) Alisogymnium.
Holotype: Boltenhagen, 1977, pl.8, figs.9a-c; Lentin and Vozzhennikova, 1990, Appendix A, fig.33
Age: Senonian