| Species | as Species | Doubtful |
|---|
Connected successfully| Acanthoica quattrospina Lohman, 1903 | | |
| Anabaena spiroides Klebahn, 1895 | | |
| Anacanthoica acanthos (Schiller) Deflandre, 1952 | ''Acanthoica acanthos''; | |
| Apedinella radians (Lohmann) Campbell, 1973 | ''Apedinella spinifera''; | |
| Cerataulina pelagica (Cleve) Hendey, 1937 | | |
| Chaetoceros affinis Lauder, 1864 | | |
| Chaetoceros compressus Lauder, 1864 | | |
| Chaetoceros curvisetus P.T. Cleve, 1889 | | |
| Chaetoceros muelleri Lemmermann, 1898 | | |
| Chaetoceros peruvianus Brightw. | | |
| Chaetoceros similis P.T. Cleve, 1896 | | |
| Chaetoceros simplex Ostenfeld, 1901 | | |
| Chaetoceros socialis Lauder, 1864 | | |
| Chaetoceros tortissimus Gran, 1900 | | |
| Cochlodinium geminatum (Schütt, 1895) Schütt, 1896 | | |
| Coscinodiscus janischii Schmidt, 1878 | | |
| Cyclotella caspia Grunow, 1878 | | |
| Cylindrotheca closterium (Ehrenberg) Reiman & Lewin, 1964 | | |
| Dactyliosolen fragilissimus (Bergon) G. R. Hasle, 1991 | | |
| Diatoma tenue C.A. Agardh, 1812 | ''Diatoma elongatum''; | |
| Dictyocha speculum Ehrenberg | | |
| Dinobryon balticum (Schütt) Lemmermann, 1900 | | |
| Dinophysis acuta Ehrenberg, 1841 | | |
| Dinophysis caudata Saville-Kent, 1881 | | |
| Dinophysis fortii Pavillard, 1923 | | |
| Dinophysis hastata Stein, 1883 | | |
| Diploneis notabilis (Grev.) Cleve, 1894 | | |
| Diplopsalis lenticula Bergh, 1881 | | |
| Diplopsalis lenticula f. globularis Bergh | | |
| Ebria tripartita (Shumann) Lemmermann, 1899 | | |
| Emiliania huxleyi (Lohmann) Hay & Mohler, 1967 | | |
| Entomoneis paludosa (W. Smith) Reimer, 1975 | ''Amphiprora paludosa''; | |
| Eutreptia lanowii Steuer, 1904 | | |
| Glenodinium paululum Lindemann | | |
| Glenodinium pilula (Ostenfeld) Schiller | | |
| Gonyaulax cochlea Meunier, 1919 | | |
| Gonyaulax digitale (Pouchet, 1883) Kofoid, 1911 | | |
| Gonyaulax minima Matzenauer, 1933 | | |
| Gonyaulax polygramma Stein, 1883 | | |
| Gonyaulax scrippsae Kofoid, 1911 | | |
| Gonyaulax spinifera (Claparède & Lachmann, 1859) Diesing, 1866 | | |
| Grammatophora marina (Lyngbye) Kützing, 1844 | | |
| Gymnodinium fusus Schütt, 1896 | | |
| Gymnodinium simplex (Lohmann, 1911) Koifoid & Swezy, 1921 | | |
| Gymnodinium wulffii Schiller, 1933 | | |
| Gyrodinium fusiforme Koifoid & Swezy, 1921 | | |
| Gyrodinium lachryma (Meunier, 1910) Kofoid & Swezy, 1921 | | |
| Heterocapsa triquetra (Ehrenberg, 1840) Stein, 1883 | | |
| Leptocylindrus danicus P.T. Cleve, 1889 | | |
| Licmophora ehrenbergii (Kützing) Grunow, 1867 | | |
| Licmophora flabellata C. Agardh, 1830 | | |
| Lingulodinium polyedrum (Stein, 1883) Dodge, 1989 | | |
| Neoceratium extensum (Gourret) F.Gomez, D.Moreira & P.Lopez-Garcia, 2009 | ''Ceratium extensum''; | |
| 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''; | |
| Nitzschia incerta (Grunow) M.Peragallo 1903 | ''Nitzschia reversa''; | |
| Nitzschia tenuirostris Mer. | | |
| Nodularia spumigena Mertens in Jürgens, 1822 | | |
| Odontella mobiliensis (J.W. Bailey) Grunow, 1884 | ''Biddulphia mobiliensis''; | |
| Peridinium breve Paulsen | | |
| Phalacroma rotundata (Claparéde & Lachmann) Kofoid & Michener, 1911 | ''Dinophysis rotundata''; | |
| Pleurosigma cuspidatum (Cleve) H. Peragallo, 1891 | | |
| Pleurosigma elongatum W. Smith, 1852 | | |
| Pleurosigma rigidum Smith, 1853 | | |
| Polykrikos schwartzii Bütschli 1873 | | |
| Pontosphaera nigra Schiller | | |
| Proboscia alata (Brightwell) Sundström, 1986 | | |
| Prorocentrum aporum (Schiller, 1918) Dodge, 1975 | | |
| Prorocentrum balticum (Lohmann, 1908) Loeblich, 1970 | | |
| Prorocentrum compressum (Bailey, 1850) Abé ex Dodge, 1975 | | |
| Prorocentrum cordatum (Ostenfeld, 1901) Dodge, 1975 | | |
| Prorocentrum micans Ehrenberg, 1834 | | |
| Protoceratium reticulatum (Claparède et Lachmann, 1859) Bütschli, 1885 | | |
| Protoperidinium bipes (Paulsen, 1904) Balech, 1974 | ''Peridinium minusculum''; | |
| Protoperidinium breve Paulsen, 1907 | | |
| Protoperidinium brevipes (Paulsen, 1908) Balech, 1974 | | |
| Protoperidinium crassipes (Kofoid, 1907) Balech, 1974 | | |
| Protoperidinium depressum (Bailey, 1850) Balech, 1974 | | |
| Protoperidinium divergens (Ehrenberg, 1841) Balech, 1974 | | |
| Protoperidinium granii (Ostenfield, 1906) Balech, 1974 | | |
| Protoperidinium oblongum (Aurivillius, 1898) Parke & Dodge, 1976 | | |
| Protoperidinium pellucidum Bergh, 1882 | | |
| Protoperidinium steinii (Jörgensen, 1899) Balech, 1974 | | |
| Protoperidinium subinerme (Paulsen, 1904) Loeblich III, 1970 | | |
| Pseudo-nitzschia delicatissima (P.T. Cleve, 1897) Heiden, 1928 | | |
| Pseudo-nitzschia pseudodelicatissima (Hasle) Hasle, 1993 | | |
| Pseudo-nitzschia seriata (P.T. Cleve, 1883) H. & M. Peragallo, 1900 | | |
| Pseudosolenia calcar-avis (Schultze) Sundström, 1986 | | |
| Pterosperma cristatum Schiller, 1925 | | |
| Pyrocystis lunula (Schütt) Schütt, 1896 | | |
| Scrippsiella trochoidea (Stein, 1883) Balech ex Loeblich III, 1965 | | |
| Skeletonema costatum (Greville) P.T. Cleve, 1878 | | |
| Striatella unipunctata (Lyngb.) Ag. | | |
| Tabularia fasciculata (C. Agardh) D.M. Williams & Round, 1986 | ''Synedra tabulata''; | |
| Thalassionema nitzschioides (Grunow, 1862) Van Heurck, 1896 | | |
| Thalassiosira parva Proshk.-Lavr., 1955 | | |