| Species | as Species | Doubtful |
|---|
Connected successfully| Achnanthes longipes Agardh, 1824 | | |
| Actinocyclus octonarius Ehrenberg, 1838 | ''Actinocyclus ehrenbergii''; | |
| Cerataulina pelagica (Cleve) Hendey, 1937 | ''Cerataulina bergonii''; | |
| Cerataulina velifera Mereschkowsky | | |
| Chaetoceros affinis Lauder, 1864 | | |
| Chaetoceros compressus Lauder, 1864 | | |
| Chaetoceros convolutus Castracane, 1886 | | |
| Chaetoceros curvisetus P.T. Cleve, 1889 | | |
| Chaetoceros danicus P.T.Cleve, 1889 | | |
| Chaetoceros densus P.T. Cleve, 1901 | | |
| Chaetoceros holsaticus Schütt, 1895 | | |
| Chaetoceros laciniosus Schütt, 1895 | | |
| Chaetoceros lauderi Ralfs in Lauder, 1864 | | |
| Chaetoceros mitra (J.W. Bailey) P.T. Cleve, 1896 | | |
| Chaetoceros neogracilis VanLand., 1968 | ''Chaetoceros gracilis''; | |
| Chaetoceros peruvianus Brightw. | | |
| Chaetoceros subtilis (Proschkina-Lavrenko) Proschkina-Lavrenko, 1961 | | |
| Coscinodiscus granii Gough, 1905 | | |
| Coscinodiscus marginatus Ehrenberg, 1841 (1843, 1844) | | |
| Coscinodiscus nitidus W. Gregory, 1857 | | |
| Coscinodiscus radiatus Ehrenberg, 1841 | | |
| Dactyliosolen fragilissimus (Bergon) G. R. Hasle, 1991 | ''Rhizosolenia fragillissima''; | |
| Dinophysis acuta Ehrenberg, 1841 | | |
| Dinophysis caudata Saville-Kent, 1881 | also ''Dinophysis homunculus''; | |
| Dinophysis hastata Stein, 1883 | | |
| Diplopsalis lenticula Bergh, 1881 | ''Glenodinium lenticula''; | |
| Distephanus speculum (Ehrenberg) Haeckel, 1887 | | |
| Ditylum brightwellii (T. West) Grunow in Van Heurck, 1883 | | |
| Ebria tripartita (Shumann) Lemmermann, 1899 | | |
| Gonyaulax digitale (Pouchet, 1883) Kofoid, 1911 | | |
| Gonyaulax polygramma Stein, 1883 | | |
| Gonyaulax scrippsae Kofoid, 1911 | | |
| Gonyaulax spinifera (Claparède & Lachmann, 1859) Diesing, 1866 | | |
| Grammatophora marina (Lyngbye) Kützing, 1844 | | |
| Leptocylindrus danicus P.T. Cleve, 1889 | | |
| Leptocylindrus minimus Gran, 1915 | | |
| Lingulodinium polyedrum (Stein, 1883) Dodge, 1989 | ''Gonyaulax polyedra''; | |
| Lyngbya aestuarii (Mertens) Liebman ex Gomont, 1892 | | |
| Lyngbya semiplena (C. Agardh) J. Agardh, 1842 | | |
| Melosira lineata (Dillwyn) C.A. Agardh, 1824 | ''Melosira juergensi''; | |
| 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 closterium (Ehrenberg) W. Smith, 1853 | | |
| Noctiluca scintillans (Macartney, 1810) Kofoid, 1920 | ''Noctiluca miliaris''; | |
| Nodularia spumigena Mertens in Jürgens, 1822 | | |
| Oblea rotunda (Lebour, 1922) Balech, 1964 ex Sournia, 1973 | ''Glenodinium rotundum''; | |
| Odontella mobiliensis (J.W. Bailey) Grunow, 1884 | ''Biddulphia mobiliensis''; | |
| Phalacroma rotundata (Claparéde & Lachmann) Kofoid & Michener, 1911 | | |
| Phormidium corallinae (Gomont ex Gomont) Anagnostidis & Komárek, 1988 | ''Oscillatoria corallinae''; | |
| Phormidium nigroviride (Thwaites ex Gomont) Anagnostidis & Komárek, 1988 | ''Oscillatoria nigroviridis''; | |
| Proboscia alata (Brightwell) Sundström, 1986 | ''Rhizosolenia alata f. genuina'' and ''Rhizosolenia alata f. gracillima''; | |
| Prorocentrum balticum (Lohmann, 1908) Loeblich, 1970 | ''Exuviaella baltica''; | |
| 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 | | |
| Protoperidinium bipes (Paulsen, 1904) Balech, 1974 | ''Glenodinium bipes''; | |
| Protoperidinium brochii (Kofoid & Swezy) Balech | ''Peridinium brochii''; | |
| Protoperidinium conicum (Gran, 1900) Balech, 1974 | ''Peridinium conicum''; | |
| Protoperidinium crassipes (Kofoid, 1907) Balech, 1974 | ''Peridinium crassipes''; | |
| Protoperidinium decipiens (Jørgensen, 1899) Parke et Dodge, 1976 | ''Peridinium decipiens''; | |
| Protoperidinium depressum (Bailey, 1850) Balech, 1974 | ''Peridinium depressum''; | |
| Protoperidinium divergens (Ehrenberg, 1841) Balech, 1974 | ''Peridinium divergens''; | |
| Protoperidinium elegans (Cleve, 1900) Balech, 1974 | ''Peridinium elegans''; | |
| Protoperidinium oceanicum (VanHöffen, 1897) Balech, 1974 | ''Peridinium oceanicum''; | |
| Protoperidinium pallidum (Ostenfeld, 1899) Balech, 1973 | ''Peridinium pallidum''; | |
| Protoperidinium pedunculatum (Schütt) Balech, 1895 | ''Peridinium pedunculatum''; | |
| Protoperidinium pellucidum Bergh, 1882 | ''Peridinium pellucidum''; | |
| Protoperidinium pentagonum (Gran, 1902) Balech, 1974 | ''Peridinium pentagonum''; | |
| Protoperidinium solidicorne (Mangin, 1922) Balech, 1974 | ''Peridinium solidicorne''; | |
| Protoperidinium steinii (Jörgensen, 1899) Balech, 1974 | ''Peridinium steinii''; | |
| Pseudosolenia calcar-avis (Schultze) Sundström, 1986 | ''Rhizosolenia calcar-avis''; | |
| Pyrophacus horologicum Stein, 1883 | | |
| Rhabdonema adriaticum Kützing, 1844 | | |
| Rhizosolenia acuminata (Peragallo 1892) Gran, 1905 | | |
| Rhizosolenia faeroensis Ostenfeld, 1903 | | Doubtful |
| Scrippsiella trochoidea (Stein, 1883) Balech ex Loeblich III, 1965 | ''Peridinium trochoideum''; | |
| Skeletonema costatum (Greville) P.T. Cleve, 1878 | | |
| Surirella spiralis Kützing, 1844 | | |
| Synechocystis aquatilis Sauvageau 1892 | | |
| Thalassionema nitzschioides (Grunow, 1862) Van Heurck, 1896 | | |
| Thalassiosira angulata (Gregory) Hasle, 1978 | ''Thalassiosira decipiens''; | |
| Thalassiosira eccentrica (Ehrenberg) P.T. Cleve, 1903-1904 | ''Coscinodiscus excentricus''; | |
| Thalassiosira excentrica var. fasciculata Hustedt | ''Coscinodiscus excentricus var. fasciculata''; | |
| Thalassiosira oestrupii (Ostenfeld) Hasle | ''Coscinosira oestrupii''; | |
| Toxarium undulatum J.W. Bailey, 1854 | ''Synedra undulata''; | |
| Trochiscia brachiolata (Möbius) Lemmermann | | |