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Dichadogonyaulax norrisii

"Dichadogonyaulax norrisii" (Pocock, 1972, p.92-93, pl.24, figs.9-12; text-fig.9) Sarjeant, 1975a, p.55.

TYPE: Holotype: Pocock, 1972, pl.24, fig.9; Jansonius, 1986, pl.2, figs.6-8; text-fig.5.

HISTORY: Originally Leptodinium, subsequently Dichadogonyaulax, thirdly Ctenidodinium, fourthly Korystocysta.

SYNONYM(S): Taxonomic senior synonym: Gonyaulax (now Korystocysta) pachyderma, according to Benson (1985, p.154). Taxonomic junior synonym: Dichadogonyaulax (now Korystocysta) kettonensis, by implication in Conway (1990, p.35), who considered Korystocysta kettonensis to be the senior name - however, Lentin and Williams (1993, p.374) retained Dichadogonyaulax (as Korystocysta) kettonensis.

AGE: Callovian.


Infraspecific taxa:


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