| Species | as Species | Doubtful |
|---|---|---|
| Akashiwo sanguinea (K.Hirasaka) G.Hansen & Ø.Moestrup | ''Gymnodinium sanguineum''; | |
| Asterionellopsis glacialis (Castracane) Round in Round et al., 1990 | ||
| Chaetoceros diversus Cleve, 1873 | ''Chaetoceros diversus var. papilionis''; | |
| Chaetoceros tortissimus Gran, 1900 | ||
| Dinophysis odiosa (Pavillard, 1930) Tai & Skogsberg, 1934 | ||
| Lioloma pacificum (Cupp) Hasle, 1996 | ||
| Pseudo-nitzschia inflatula (G.R.Hasle) G.R.Hasle, 1993 | ||
| Thalassiosira nordenskioeldii P.T. Cleve, 1873 |