Amphigymnium mitratum

*mitratum (Vozzhennikova, 1967, p.40, pl.1, figs.2-3; pl.5, figs.1-2,4) Lentin and Vozzhennikova, 1990, p.29.  Emendation: Lentin and Vozzhennikova, 1990, p.29-30, as Amphigymnium mitratum.  Holotype: Vozzhennikova, 1967, pl.1, fig.2; Lentin and Vozzhennikova, 1990, pl.1, figs.10-11; text-fig.12; Appendix A, fig.38.  Originally Amphidinium (Appendix B), subsequently Dinogymnium, thirdly (and now) Amphigymnium.  Age: Turonian-Senonian.

Parent: Amphigymnium