Gonyaulacysta angulosa
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"angulosa" Gitmez, 1970, p.252, pl.2, figs.4–5; text-figs.7A–B. Holotype: Gitmez, 1970, pl.2, figs.4–5; text-figs.7A–B; Jan du Chêne et al., 1986a, pl.2, figs.11–15. NOW Cribroperidinium. Originally Gonyaulacysta, subsequently Acanthaulax, thirdly Meristaulax Sarjeant, fourthly Acanthaulax?, fifthly Rhynchodiniopsis, sixthly (and now) Cribroperidinium. Taxonomic senior synonym: Gonyaulax (as and now Cribroperidinium) granulatum, according to Fisher and Riley (1980, p.321) — however, Sarjeant and Gocht in Sarjeant (1984a, p.160) retained Gonyaulacysta (as Meristaulax) angulosa. Age: early Kimmeridgian.
Parent: Gonyaulacysta