Dinogymnium rigaudiae

"rigaudiae" Boltenhagen, 1977, p.73, pl.11, figs.1a–b,2–4.  Holotype: Boltenhagen, 1977, pl.11, figs.1a–b; Lentin and Vozzhennikova, 1990, Appendix A, fig.39.  NOW Amphigymnium.  Originally Dinogymnium, subsequently (and now) Amphigymnium.  Age: Campanian–Maastrichtian.

Parent: Dinogymnium