Cribroperidinium perforans subsp. kunzeviense

subsp. kunzeviense (Vozzhennikova, 1967, p.87, pl.27, fig.6; pl.30, fig.2; pl.33, fig.6) Lentin and Williams, 1989, p.83.  Holotype: Vozzhennikova, 1967, pl.30, fig.2, lost according to Lentin and Vozzhennikova (1990, p.94).  Originally Gonyaulax perforans var. kunzeviensis (Appendix B), subsequently Gonyaulacysta kunzeviensis, thirdly Gonyaulacysta perforans var. kunzeviensis (combination not validly published), fourthly (and now) Cribroperidinium? perforans subsp. kunzeviense.  According to Lentin and Vozzhennikova (1990, p.94), no potential lectotype is available.  Age: Valanginian. Parent: Cribroperidinium perforans