Acanthaulax angulosa
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"?angulosa" (Gitmez, 1970, p.252, pl.2, figs.4-5; text-figs.7A-B) Stover and Evitt, 1978, p.137. 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. Questionable assignment: Jan du Chêne et al. (1986a, p.26). Taxonomic senior synonym: Gonyaulax (now Cribroperidinium) granulata, according to Fisher and Riley (1980, p.321) - however, Sarjeant and Gocht in Sarjeant (1984a, p.160) retained Acanthaulax? (as Meristaulax, now Cribroperidinium) angulosa. Age: Early Kimmeridgian.
Parent: Acanthaulax