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Gonyaulacysta nuciformis
Gonyaulacysta nuciformis (Deflandre, 1939a, p.180, pl.8, figs.4-6 ex Sarjeant, 1962a, p.482-483) Sarjeant, 1968, p.227
Now Cribroperidinium. Originally Palaeoperidinium, subsequently Gonyaulax, thirdly Gonyaulacysta, fourthly Apteodinium, fifthly Millioudodinium, sixthly (and now) Cribroperidinium.
Tax. sr. synonym of Palaeoperidinium nuciformoides Gorka, 1965, according to Sarjeant, 1968.
This combination was not validly published in Sarjeant, 1966, since that author did not fully reference the basionym.
Sarjeant, 1966, questionably included the species in Gonyaulacysta.
Holotype: Deflandre, 1938, pl.8, fig.6; Jan du Chêne et al., 1986, pl.11, figs.1-3
Age: Oxfordian
Now Cribroperidinium. Originally Palaeoperidinium, subsequently Gonyaulax, thirdly Gonyaulacysta, fourthly Apteodinium, fifthly Millioudodinium, sixthly (and now) Cribroperidinium.
Tax. sr. synonym of Palaeoperidinium nuciformoides Gorka, 1965, according to Sarjeant, 1968.
This combination was not validly published in Sarjeant, 1966, since that author did not fully reference the basionym.
Sarjeant, 1966, questionably included the species in Gonyaulacysta.
Holotype: Deflandre, 1938, pl.8, fig.6; Jan du Chêne et al., 1986, pl.11, figs.1-3
Age: Oxfordian