Dinogymnium downiei
From dinoflaj3
"downiei" Boltenhagen, 1977, p.77–78, pl.11, figs.8a–c,9a–b,10. Holotype: Boltenhagen, 1977, pl.11, figs.8a–c; Lentin and Vozzhennikova, 1990, Appendix A, fig.36. NOW Alisogymnium. Originally Dinogymnium, subsequently (and now) Alisogymnium. Age: Campanian–Maastrichtian.
Parent: Dinogymnium