| Species | as Species | Doubtful |
|---|
Connected successfully| Aphanizomenon flos-aquae (Linnaeus) Ralfs ex Bornet & Flahault, 1888 | | |
| Cerataulina velifera Mereschkowsky | | |
| Chaetoceros curvisetus P.T. Cleve, 1889 | | |
| Chaetoceros socialis f. radians (F. Schütt) A.I. Proshkina-Lavrenko, 1963 | ''Chaetoceros radians''; | |
| Cyclotella choctawhatcheeana Prasad, 1990 | ''Thalassiosira nana''; | |
| Dinophysis acuminata Claparède & Lachmann, 1859 | | |
| Dinophysis caudata Saville-Kent, 1881 | | |
| Distephanus speculum (Ehrenberg) Haeckel, 1887 | | |
| Hermesinum adriaticum O.Zacharias, 1906 | | |
| Neoceratium furca (Ehrenberg) F.Gomez, D.Moreira & P.Lopez-Garcia, 2009 | ''Ceratium furca''; | |
| Neoceratium fusus (Ehrenberg) F.Gomez, D.Moreira & P.Lopez-Garcia, 2009 | ''Ceratium fusus''; | |
| Neoceratium tripos (O.F.Müller) F.Gomez, D.Moreira & P.Lopez-Garcia, 2009 | ''Ceratium tripos''; | |
| Phalacroma rotundata (Claparéde & Lachmann) Kofoid & Michener, 1911 | ''Phalacroma rudgei''; | |
| Proboscia alata (Brightwell) Sundström, 1986 | ''Rhizosolenia alata''; | |
| Prorocentrum compressum (Bailey, 1850) Abé ex Dodge, 1975 | ''Exuviaella compressa''; | |
| Prorocentrum cordatum (Ostenfeld, 1901) Dodge, 1975 | ''Exuviaella cordata''; | |
| Prorocentrum micans Ehrenberg, 1834 | | |
| Protoceratium reticulatum (Claparède et Lachmann, 1859) Bütschli, 1885 | | |
| Pseudosolenia calcar-avis (Schultze) Sundström, 1986 | ''Rhizosolenia calcar-avis''; | |
| Pyrophacus horologicum Stein, 1883 | | |
| Scenedesmus quadricauda (Turpin) Brébisson in Brébisson & Godey, 1835 | | |
| Skeletonema costatum (Greville) P.T. Cleve, 1878 | | |
| Thalassionema nitzschioides (Grunow, 1862) Van Heurck, 1896 | | |
| Thalassiosira angulata (Gregory) Hasle, 1978 | ''Thalassiosira decipiens''; | |