Dinogymnium mitratum

"mitratum" (Vozzhennikova, 1967, p.40, pl.1, figs.2–3; pl.5, figs.1–2,4) Lentin and Williams, 1973, p.49.  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.  NOW Amphigymnium.  Originally Amphidinium (Appendix B), subsequently Dinogymnium, thirdly (and now) Amphigymnium.  Age: Turonian–Senonian.

Parent: Dinogymnium