Acanthaulax magna
From dinoflaj2
"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