Trichodinium magnum

"magnum" Jain, 1977b, p.175–176, pl.4, figs.40–42.  Holotype: Jain, 1977b, pl.4, figs.41–42; Jan du Chêne et al., 1986a, pl.122, fig.8.  NOW Cribroperidinium.  Originally Trichodinium, subsequently Acanthaulax, thirdly (and now) Cribroperidinium.  Age: early Albian.

Parent: Trichodinium