Cribroperidinium confossum

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.

Parent: Cribroperidinium