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Korystocysta pachyderma

Korystocysta pachyderma (Deflandre, 1939a, p.176-178, pl.7, figs.6-10; text-figs.7-10) Woollam, 1983, p.194.

TYPE: Holotype: Deflandre, 1939a, pl.7, figs.6-7.

HISTORY: Originally Gonyaulax (Appendix B), subsequently Gonyaulacysta, thirdly Ctenidodinium, fourthly Ctenidodinium?, fifthly (and now) Korystocysta, sixthly Dichadogonyaulax. Lentin and Williams (1989, p.213) retained this species in Korystocysta.

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

AGE: Oxfordian.


Infraspecific taxa:


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