| Species | as Species | Doubtful |
|---|
Connected successfully| Akashiwo sanguinea (K.Hirasaka) G.Hansen & Ø.Moestrup | ''Gymnodinium sanguineum''; | |
| Alexandrium tamarense (Lebour, 1925) Balech, 1985 | ''Alexandrium cf. tamarense''; | |
| Ardissonea crystallina (C.A. Agardh) Grunow in Cleve & Grunow, 1880 | ''Synedra crystallina''; | |
| Asterionellopsis glacialis (Castracane) Round in Round et al., 1990 | | |
| Cerataulina pelagica (Cleve) Hendey, 1937 | ''Cerataulina bergonii''; | |
| Chaetoceros affinis Lauder, 1864 | | |
| Chaetoceros borgei Lemmermann, 1904 | | |
| Chaetoceros compressus Lauder, 1864 | | |
| Chaetoceros curvisetus P.T. Cleve, 1889 | | |
| Chaetoceros debilis P.T. Cleve, 1894 | | |
| Chaetoceros diadema (Ehrenberg) Gran, 1897 | | |
| Chaetoceros dubius Pr.-Lavrenko | | |
| Chaetoceros laciniosus Schütt, 1895 | | |
| Chaetoceros scabrosus Prosckina-Lavrenko | | |
| Chaetoceros similis P.T. Cleve, 1896 | | |
| Chaetoceros simplex Ostenfeld, 1901 | | |
| Chaetoceros socialis Lauder, 1864 | | |
| Chaetoceros tenuissimus Meunier, 1913 | | |
| Chaetoceros teres P.T. Cleve, 1896 | | |
| Chaetoceros tortissimus Gran, 1900 | | |
| Chaetoceros wighamii Brightwell, 1856 | | |
| Climaconeis inflexa (Brébisson ex Kützing) E.J.Cox, 1982 | ''Amphora inflexa''; | |
| Cochlodinium polykrikoides Margalef, 1961 | | |
| Coscinodiscus gigas Ehrenb. 1841 | | |
| Cylindrotheca closterium (Ehrenberg) Reiman & Lewin, 1964 | | |
| Dactyliosolen fragilissimus (Bergon) G. R. Hasle, 1991 | | |
| Dictyocha speculum Ehrenberg | | |
| Dinophysis acuminata Claparède & Lachmann, 1859 | | |
| Dinophysis acuta Ehrenberg, 1841 | | |
| Dinophysis caudata Saville-Kent, 1881 | | |
| Dinophysis fortii Pavillard, 1923 | | |
| Dinophysis hastata Stein, 1883 | | |
| Dinophysis norvegica Claparède & Lachmann, 1859 | | |
| Dinophysis sacculus Stein, 1883 | | |
| Dinophysis tripos Gourret, 1883 | | |
| Diplopsalis lenticula Bergh, 1881 | | |
| Ditylum brightwellii (T. West) Grunow in Van Heurck, 1883 | | |
| Eutreptia lanowii Steuer, 1904 | | |
| Gonyaulax grindleyi Reinecke, 1967 | | |
| Gonyaulax polygramma Stein, 1883 | | |
| Gonyaulax scrippsae Kofoid, 1911 | | |
| Gonyaulax spinifera (Claparède & Lachmann, 1859) Diesing, 1866 | | |
| Grammatophora marina (Lyngbye) Kützing, 1844 | | |
| Gyrodinium fusiforme Koifoid & Swezy, 1921 | | |
| Gyrodinium spirale (Bergh, 1881) Kofoid et Swezy, 1921 | | |
| Hemiaulus hauckii Grunow in Van Heurck, 1882 | | |
| Hermesinum adriaticum O.Zacharias, 1906 | | |
| Heterocapsa rotundata (Lohmann, 1908) G. Hansen, 1995 | ''Katodinium rotundatum''; | |
| 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 | | |
| Licmophora gracilis (Ehrenberg) Grunow, 1867 | | |
| 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''; | |
| Noctiluca scintillans (Macartney, 1810) Kofoid, 1920 | | |
| Peridinium quinquecorne Abé, 1927 | ''Protoperidinium quinquecorne''; | |
| Phalacroma rotundata (Claparéde & Lachmann) Kofoid & Michener, 1911 | ''Dinophysis rotundata''; | |
| Pleurosigma elongatum W. Smith, 1852 | | |
| Pleurosigma rigidum Smith, 1853 | | |
| Polykrikos kofoidii Chatton, 1914 | | |
| Proboscia alata (Brightwell) Sundström, 1986 | | |
| Prorocentrum balticum (Lohmann, 1908) Loeblich, 1970 | | |
| Prorocentrum compressum (Bailey, 1850) Abé ex Dodge, 1975 | | |
| Prorocentrum cordatum (Ostenfeld, 1901) Dodge, 1975 | | |
| Prorocentrum lima (Ehrenberg, 1860) Stein, 1975 | | |
| Prorocentrum micans Ehrenberg, 1834 | | |
| Protoperidinium brevipes (Paulsen, 1908) Balech, 1974 | | |
| Protoperidinium conicum (Gran, 1900) Balech, 1974 | | |
| Protoperidinium depressum (Bailey, 1850) Balech, 1974 | | |
| Protoperidinium divergens (Ehrenberg, 1841) Balech, 1974 | | |
| Protoperidinium globulus (Stein, 1883) Balech, 1974 | | |
| Protoperidinium granii (Ostenfield, 1906) Balech, 1974 | | |
| Protoperidinium mariaelebouriae (Paulsen, 1931) Balech, 1974 | | |
| Protoperidinium mediterraneum (Kofoid, 1909) Balech, 1974 | | Doubtful |
| Protoperidinium oceanicum (VanHöffen, 1897) Balech, 1974 | | |
| Protoperidinium pellucidum Bergh, 1882 | | |
| Pseudo-nitzschia pseudodelicatissima (Hasle) Hasle, 1993 | | |
| Pseudo-nitzschia pungens (Grunow ex P.T. Cleve, 1897) Hasle, 1993 | | |
| Pseudosolenia calcar-avis (Schultze) Sundström, 1986 | | |
| Scrippsiella trochoidea (Stein, 1883) Balech ex Loeblich III, 1965 | | |
| Skeletonema costatum (Greville) P.T. Cleve, 1878 | | |
| Striatella delicatula (Kützing) Grunow ex Van Heurck, 1881 | | |
| Striatella unipunctata (Lyngb.) Ag. | | |
| Tabularia fasciculata (C. Agardh) D.M. Williams & Round, 1986 | ''Synedra tabulata''; | |
| Thalassionema nitzschioides (Grunow, 1862) Van Heurck, 1896 | | |
| Toxarium undulatum J.W. Bailey, 1854 | | |
| Warnowia schuettii (Kofoid et Swezy, 1921) Schiller, 1933 | | |