Cribroperidinium confossum
From dinoflaj3
confossum (Duxbury, 1977, p.33, pl.2, figs.2–4) Helenes, 1984, p.128. Holotype: Duxbury, 1977, pl.2, figs.3–4; Jan du Chêne et al., 1986a, pl.19, fig.5. Originally Gonyaulacysta, subsequently Millioudodinium, thirdly Cribroperidinium?, fourthly (and now) Cribroperidinium. Questionable assignment: Helenes (1984, p.128) — however, Jan du Chêne et al. (1986a, p.77) included it in Cribroperidinium without question. Age: late Hauterivian.