Alisogymnium downiei

downiei (Boltenhagen, 1977, p.77–78, pl.11, figs.8a–c,9a–b,10) Lentin and Vozzhennikova, 1990, p.28.  Holotype: Boltenhagen, 1977, pl.11, figs.8a–c; Lentin and Vozzhennikova, 1990, Appendix A, fig.36.  Originally Dinogymnium, subsequently (and now) Alisogymnium.  Age: Campanian–Maastrichtian.

Parent: Alisogymnium