Acanthaulax magna
From dinoflaj3
"magna" (Jain, 1977b, p.175–176, pl.4, figs.40–42) Khowaja-Ateequzzaman, 1993, p.131. 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: Acanthaulax