Acanthaulax venusta
From dinoflaj3
"venusta" (Klement, 1960, p.44–45, pl.5, figs.10–13; text-fig.22) Sarjeant, 1968, p.227. Holotype: Klement, 1960, pl.5, figs.10–11. Taxonomic senior synonym: Gonyaulax (as Cribroperidinium) granulata, according to Schrank (2005, p.56). Originally Gonyaulax (Appendix B), subsequently Acanthogonyaulax (combination not validly published), thirdly Acanthaulax, fourthly Gonyaulacysta, fifthly Cribroperidinium. Age: middle Oxfordian–Kimmeridgian.
Parent: Acanthaulax