| Species | as Species | Doubtful |
|---|
Connected successfully| Akashiwo sanguinea (K.Hirasaka) G.Hansen & Ø.Moestrup | ''Gymnodinium sanguineum''; | |
| Asterionellopsis glacialis (Castracane) Round in Round et al., 1990 | | |
| Bacteriastrum elongatum P.T. Cleve, 1897 | | |
| Ceratium hirundinella (O.F. Müller) Dujardin, 1841 | | |
| Chaetoceros affinis Lauder, 1864 | | |
| Chaetoceros anastomosans Grunow | | |
| Chaetoceros breve Schütt, 1895 | ''Chaetoceros brevis''; | |
| Chaetoceros compressus Lauder, 1864 | | |
| Chaetoceros constrictus Gran, 1897 | | |
| Chaetoceros costatus Pavillard, 1911 | | |
| Chaetoceros curvisetus P.T. Cleve, 1889 | | |
| Chaetoceros danicus P.T.Cleve, 1889 | | |
| Chaetoceros decipiens P.T. Cleve, 1873 | | |
| Chaetoceros diadema (Ehrenberg) Gran, 1897 | | |
| Chaetoceros holsaticus Schütt, 1895 | | |
| Chaetoceros laciniosus Schütt, 1895 | | |
| Chaetoceros lorenzianus Grunow, 1863 | | |
| Chaetoceros messanense Castracane, 1875 | | |
| Chaetoceros pendulus Karsten | | |
| Chaetoceros peruvianus Brightw. | | |
| Chaetoceros similis P.T. Cleve, 1896 | | |
| Chaetoceros simplex Ostenfeld, 1901 | | |
| Chaetoceros teres P.T. Cleve, 1896 | | |
| Chaetoceros tetrastichon Cleve | | |
| Chaetoceros wighamii Brightwell, 1856 | | |
| Chaetoceros willei Grunow, 1897 | ''Chaetoceros affinis var. willei''; | |
| Climacosphenia moniligera C.G. Ehrenberg | | |
| Coscinodiscus radiatus Ehrenberg, 1841 | | |
| Dactyliosolen fragilissimus (Bergon) G. R. Hasle, 1991 | | |
| Detonula confervacea (P.T. Cleve) Gran, 1900 | | |
| Detonula pumila (Castracane) Gran, 1900 | | |
| Dictyocha speculum Ehrenberg | | |
| Dinophysis acuta Ehrenberg, 1841 | | |
| Dinophysis caudata Saville-Kent, 1881 | | |
| Diplopsalis lenticula Bergh, 1881 | | |
| Ditylum brightwellii (T. West) Grunow in Van Heurck, 1883 | | |
| Euglena viridis (O.F. Müller) Ehrenberg, 1832 | | |
| Gonyaulax grindleyi Reinecke, 1967 | | |
| Gonyaulax spinifera (Claparède & Lachmann, 1859) Diesing, 1866 | | |
| Grammatophora marina (Lyngbye) Kützing, 1844 | | |
| Guinardia delicatula (Cleve) G.R. Hasle, 1996 | | |
| Guinardia striata (Stoltherfoth) Hasle, 1997 | | |
| Hemiaulus hauckii Grunow in Van Heurck, 1882 | | |
| Heterocapsa triquetra (Ehrenberg, 1840) Stein, 1883 | | |
| Lauderia annulata P.T. Cleve, 1873 | | Doubtful |
| Leptocylindrus danicus P.T. Cleve, 1889 | | |
| Leptocylindrus minimus Gran, 1915 | | |
| Licmophora abbreviata C.A. Agardh, 1831 | | |
| Lingulodinium polyedrum (Stein, 1883) Dodge, 1989 | | |
| Neoceratium arietinum (Cleve) F.Gómez, D.Moreira & P.López-Garcia, 2001 | ''Ceratium arietinum''; | |
| Neoceratium candelabrum (Ehrenberg) F.Gómez, D.Moreira & P.López-Garcia, 2001 | ''Ceratium candelabrum''; | |
| 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 pentagonum (Gourret) F.Gomez & P.Lopez-Garcia, 2009 | ''Ceratium pentagonum''; | |
| Neoceratium tripos (O.F.Müller) F.Gomez, D.Moreira & P.Lopez-Garcia, 2009 | ''Ceratium tripos''; | |
| Nitzschia longissima (Brébisson in Kützing) Ralfs in Pritchard, 1861 | | |
| Nitzschia rectilonga Takano, 1983 | | |
| Nitzschia sigma (Kützing) W. Smith, 1853 | | |
| Noctiluca scintillans (Macartney, 1810) Kofoid, 1920 | | |
| Phalacroma rotundata (Claparéde & Lachmann) Kofoid & Michener, 1911 | | |
| Pleurosigma normanii Ralfs in Pritchard. | | |
| Proboscia alata (Brightwell) Sundström, 1986 | ''Rhizosolenia alata f. gracillima''; | |
| Proboscia alata f. alata (Brightwell) Sündstrom, 1986 | | |
| Proboscia indica (Peragallo) Hernández-Becerril, 1995 | ''Proboscia alata f. indica''; | |
| Prorocentrum compressum (Bailey, 1850) Abé ex Dodge, 1975 | | |
| Prorocentrum cordatum (Ostenfeld, 1901) Dodge, 1975 | ''Prorocentrum minimum''; | |
| Prorocentrum gracile Schütt, 1895 | | |
| Prorocentrum micans Ehrenberg, 1834 | | |
| Prorocentrum scutellum Schröder, 1900 | | |
| Prorocentrum triestinum Schiller, 1918 | | |
| Protoceratium spinulosum (Murray & Whitting, 1899) Schiller, 1937 | | |
| Protoperidinium bipes (Paulsen, 1904) Balech, 1974 | | |
| Protoperidinium brevipes (Paulsen, 1908) Balech, 1974 | | |
| Protoperidinium brochii (Kofoid & Swezy) Balech | | |
| Protoperidinium claudicans (Paulsen, 1907) Balech, 1974 | | |
| Protoperidinium conicum (Gran, 1900) Balech, 1974 | | |
| Protoperidinium crassipes (Kofoid, 1907) Balech, 1974 | | |
| Protoperidinium depressum (Bailey, 1850) Balech, 1974 | | |
| Protoperidinium diabolum (Cleve) Balech, 1974 | ''Protoperidinium diabolus''; | |
| Protoperidinium divergens (Ehrenberg, 1841) Balech, 1974 | | |
| Protoperidinium oceanicum (VanHöffen, 1897) Balech, 1974 | | |
| Protoperidinium pallidum (Ostenfeld, 1899) Balech, 1973 | | |
| Protoperidinium pellucidum Bergh, 1882 | | |
| Protoperidinium pentagonum (Gran, 1902) Balech, 1974 | | |
| Protoperidinium punctulatum (Paulsen, 1908) Balech, 1974 | | |
| Protoperidinium pyriforme (Paulsen, 1907) Balech, 1974 | | |
| Protoperidinium steinii (Jörgensen, 1899) Balech, 1974 | | |
| Pseudo-nitzschia delicatissima (P.T. Cleve, 1897) Heiden, 1928 | | |
| Pseudo-nitzschia fraudulenta (P.T. Cleve, 1897) Hasle, 1993 | | |
| Pseudo-nitzschia pungens (Grunow ex P.T. Cleve, 1897) Hasle, 1993 | | |
| Pseudosolenia calcar-avis (Schultze) Sundström, 1986 | | |
| Pyrophacus horologicum Stein, 1883 | | |
| Rhizosolenia hebetata f. semispina (Hensen) Gran, 1905 | | |
| Rhizosolenia imbricata Brightwell, 1858 | ''Rhizosolenia imbricata var. shrubsolei'' (Cleve)Schroder; | |
| Rhizosolenia styliformis Brightwell, 1858 | | |
| 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. | | |
| Thalassionema frauenfeldii (Grunow) Hallegraeff, 1986 | ''Thalassiothrix frauenfeldii''; | |
| Thalassionema nitzschioides (Grunow, 1862) Van Heurck, 1896 | | |
| Thalassiosira allenii Takano, 1965 | | |
| Thalassiosira eccentrica (Ehrenberg) P.T. Cleve, 1903-1904 | | |
| Thalassiothrix longissima P.T. Cleve & Grunow, 1880 | | |
| Thalassiothrix mediterranea Pavillard | | |
| Toxarium undulatum J.W. Bailey, 1854 | ''Synedra undulata''; | |