Dichadogonyaulax norrisii
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"norrisii" (Pocock, 1972, p.92-93, pl.24, figs.9-12; text-fig.9) Sarjeant, 1975a, p.55. Holotype: Pocock, 1972, pl.24, fig.9; Jansonius, 1986, pl.2, figs.6-8; text-fig.5. Originally Leptodinium, subsequently Dichadogonyaulax, thirdly Ctenidodinium, fourthly Korystocysta. Taxonomic senior synonym: Gonyaulax (now Korystocysta) pachyderma, according to Benson (1985, p.154). Taxonomic junior synonym: Dichadogonyaulax (subsequently 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.
Parent: Dichadogonyaulax