Dinogymnium deflandrei Boltenhagen, 1977

Now Alisogymnium. Originally Dinogymnium, subsequently (and now) Alisogymnium.

Holotype: Boltenhagen, 1977, pl.9, figs.1b-c; Lentin and Vozzhennikova, 1990, Appendix A, fig.31
Age: late Senonian