From Fensome et al., 2019:
Amphigymnium 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.

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