Trichodinium magnum Jain, 1977b, p.175–176, pl.4, figs.40–42.

NOW Cribroperidinium. Originally Trichodinium, subsequently Acanthaulax, thirdly (and now) Cribroperidinium.

Holotype: Jain, 1977, pl.4, figs.41-42; Jan du Chêne et al., 1986, pl.122, fig.8.
Age: Early Albian