Amphigymnium cooksoniae

cooksoniae (Boltenhagen, 1977, p.75–76, pl.11, figs.5a–c,6–7) Lentin and Vozzhennikova, 1990, p.30.  Holotype: Boltenhagen, 1977, pl.11, figs.5a–c; Lentin and Vozzhennikova, 1990, Appendix A, fig.40.  Originally Dinogymnium, subsequently (and now) Amphigymnium.  Age: Campanian.

Parent: Amphigymnium