| Species | as Species | Doubtful |
|---|
Connected successfully| Achnanthes longipes Agardh, 1824 | | |
| Alexandrium tamarense (Lebour, 1925) Balech, 1985 | | |
| Amphora hyalina Kützing, 1844 | | |
| Cerataulina pelagica (Cleve) Hendey, 1937 | | |
| Chaetoceros affinis Lauder, 1864 | | |
| Chaetoceros compressus Lauder, 1864 | | |
| Chaetoceros curvisetus P.T. Cleve, 1889 | | |
| Chaetoceros insignis Prosckina-Lavrenko | | |
| Chaetoceros peruvianus Brightw. | | |
| Chaetoceros scabrosus Prosckina-Lavrenko | | |
| Chaetoceros simplex Ostenfeld, 1901 | | |
| Chaetoceros socialis Lauder, 1864 | | |
| Chaetoceros subtilis (Proschkina-Lavrenko) Proschkina-Lavrenko, 1961 | | |
| Climaconeis inflexa (Brébisson ex Kützing) E.J.Cox, 1982 | ''Amphora inflexa''; | |
| Cocconeis scutellum (Grunow in Van Heurck) P.T. Cleve, 1896 | | |
| Coscinodiscus granii Gough, 1905 | | |
| Coscinodiscus janischii Schmidt, 1878 | | |
| Cyclotella caspia Grunow, 1878 | | |
| Cylindrotheca closterium (Ehrenberg) Reiman & Lewin, 1964 | | |
| Dactyliosolen fragilissimus (Bergon) G. R. Hasle, 1991 | | |
| Dictyocha speculum Ehrenberg | | |
| Dinobryon balticum (Schütt) Lemmermann, 1900 | | |
| Dinophysis caudata Saville-Kent, 1881 | | |
| Dinophysis fortii Pavillard, 1923 | | |
| Diplopsalis lenticula Bergh, 1881 | | |
| Ditylum brightwellii (T. West) Grunow in Van Heurck, 1883 | | |
| Emiliania huxleyi (Lohmann) Hay & Mohler, 1967 | | |
| Entomoneis paludosa (W. Smith) Reimer, 1975 | ''Amphiprora paludosa''; | |
| Eutreptia lanowii Steuer, 1904 | | |
| Golenkinia radiata Chodat, 1894 | | |
| Gonyaulax digitale (Pouchet, 1883) Kofoid, 1911 | | |
| Gonyaulax polygramma Stein, 1883 | | |
| Gonyaulax spinifera (Claparède & Lachmann, 1859) Diesing, 1866 | | |
| Gymnodinium simplex (Lohmann, 1911) Koifoid & Swezy, 1921 | | |
| Gyrodinium fusiforme Koifoid & Swezy, 1921 | | |
| Gyrodinium spirale (Bergh, 1881) Kofoid et Swezy, 1921 | | |
| Heterocapsa triquetra (Ehrenberg, 1840) Stein, 1883 | | |
| Leptocylindrus danicus P.T. Cleve, 1889 | | |
| Leptocylindrus minimus Gran, 1915 | | |
| Licmophora ehrenbergii (Kützing) Grunow, 1867 | | |
| Licmophora flabellata C. Agardh, 1830 | | |
| Melosira moniliformis (O.F. Müller) C. Agardh, 1824 | | |
| Monoraphidium contortum (Thuret) Komàrková-Legnerová, 1969 | | |
| Monoraphidium convolutum (Corda) Komárková-Legnerová | ''Ankistrodesmus convolutus''; | |
| Navicula pennata A. Schmidt, 1876 | | |
| 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 tenuirostris Mer. | | |
| Oblea rotunda (Lebour, 1922) Balech, 1964 ex Sournia, 1973 | | |
| Octactis octonaria (Ehrenberg) Hovasse, 1946 | | |
| Peridinium quinquecorne Abé, 1927 | | |
| Phalacroma rotundata (Claparéde & Lachmann) Kofoid & Michener, 1911 | ''Dinophysis rotundata''; | |
| Plagioselmis prolonga Butcher ex G.Novarino, I.A.N.Lucas & S.Morrall, 1994 | also ''Plagioselmis punctata''; | |
| Planktolyngbya limnetica (Lemmermann) J.Komárková-Legnerová & G.Cronberg | ''Lyngbya limnetica''; | |
| Pleurosigma elongatum W. Smith, 1852 | | |
| Proboscia alata (Brightwell) Sundström, 1986 | | |
| 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 crassipes (Kofoid, 1907) Balech, 1974 | | |
| Protoperidinium depressum (Bailey, 1850) Balech, 1974 | | |
| Protoperidinium divergens (Ehrenberg, 1841) Balech, 1974 | | |
| Protoperidinium granii (Ostenfield, 1906) Balech, 1974 | | |
| Protoperidinium pallidum (Ostenfeld, 1899) Balech, 1973 | | |
| Protoperidinium pellucidum Bergh, 1882 | | |
| Protoperidinium steinii (Jörgensen, 1899) Balech, 1974 | | |
| Pseudo-nitzschia pseudodelicatissima (Hasle) Hasle, 1993 | | |
| Pseudo-nitzschia seriata (P.T. Cleve, 1883) H. & M. Peragallo, 1900 | | |
| Pseudosolenia calcar-avis (Schultze) Sundström, 1986 | | |
| Pterosperma undulatum Ostenfeld, 1902 | | |
| Scenedesmus quadricauda (Turpin) Brébisson in Brébisson & Godey, 1835 | | |
| 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 | | |