Meristaulax angulosa

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"angulosa" (Gitmez, 1970, p.252, pl.2, figs.4–5; text-figs.7A–B) Sarjeant and Gocht in Sarjeant, 1984a, p.160.  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) granulata, according to Fisher and Riley (1980, p.321) — however, Sarjeant and Gocht in Sarjeant (1984a, p.160) retained Meristaulax angulosa.  Age: early Kimmeridgian.

Parent: Meristaulax_Sarjeant 1984a