Acanthaulax magna, (Jain, 1977b, p. 175-176, pl. 4, figs. 40-42), Khowaja-Ateequzzaman, 1993, p. 131.

NOW Cribroperidinium. Originally Trichodinium, subsequently Acanthaulax, thirdly (and now) Cribroperidinium (by Williams et al., 1998).

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