| Species | as Species | Doubtful |
|---|
Connected successfully| Acanthoica coronata Lohmann, 1903 | | |
| Acanthoica quattrospina Lohman, 1903 | | |
| Achnanthes brevipes C.A. Agardh, 1824 | | |
| Achnanthes brevipes var. intermedia (Kützing) P.T. Cleve, 1895 | | |
| Achnanthes longipes Agardh, 1824 | | |
| Achradina pulchra Lohmann, 1902 | | |
| Actinocyclus octonarius Ehrenberg, 1838 | | |
| Akashiwo sanguinea (K.Hirasaka) G.Hansen & Ø.Moestrup | ''Gymnodinium sanguineum''; | |
| Alexandrium tamarense (Lebour, 1925) Balech, 1985 | | |
| Amphidinium acutissimum Schiller, 1933 | | |
| Amphidinium crassum Lohmann, 1908 | also ''Amphidinium phaeocysticola''; | |
| Amphidinium curvatum Schiller, 1928 | | |
| Amphidinium longum Lohmann, 1908 | | |
| Amphidinium operculatum Claparède & Lachmann, 1859 | | |
| Amphidinium sphenoides Wulff, 1916 | | |
| Amphidinium stigmatum Schiller, 1928 | | |
| Amphora hyalina Kützing, 1844 | | |
| Amphora hyalina var. delicatula Proshkina-Lavrenko | | |
| Anabaena spiroides Klebahn, 1895 | | |
| Anacanthoica acanthos (Schiller) Deflandre, 1952 | ''Acanthoica acanthos''; | |
| Aphanizomenon flos-aquae (Linnaeus) Ralfs ex Bornet & Flahault, 1888 | ''Anabaena flos-aquae''; | |
| Archaeperidinium minutum (Kofoid) Jorgensen, 1912 | ''Protoperidinium minutum''; | |
| Ardissonea crystallina (C.A. Agardh) Grunow in Cleve & Grunow, 1880 | ''Synedra crystallina''; | |
| Asterionellopsis glacialis (Castracane) Round in Round et al., 1990 | | |
| Asteromphalus flabellatus (Brébisson) Greville, 1859 | | |
| Attheya septentrionalis (Østrup) Crawford in Crawford et al., 1994 | | |
| Aulacoseira granulata (Ehrenberg) Simonsen, 1979 | ''Melosira granulata''; | |
| Bacteriastrum delicatulum Cleve, 1897 | | |
| Bacteriastrum elongatum P.T. Cleve, 1897 | | |
| Bacteriastrum hyalinum Lauder, 1864 | | |
| Calcidiscus leptoporus (Murray & Blackman, 1898) Loeblich & Tappan, 1978 | | |
| Calyptrosphaera insignis Sch. | | |
| Calyptrosphaera oblonga Lohman, 1902 | | |
| Caneosphaera molischii (Schiller, 1925) Gaarder, 1977 | | |
| Cerataulina pelagica (Cleve) Hendey, 1937 | | |
| Chaetoceros abnormis Proschkina-Lavrenko, 1953 | | |
| Chaetoceros aequatorialis Cleve, 1873 | | |
| Chaetoceros affinis Lauder, 1864 | | |
| Chaetoceros affinis f. schutii | | |
| Chaetoceros anastomosans Grunow | | |
| Chaetoceros atlanticus P.T. Cleve, 1873 | | |
| Chaetoceros borgei Lemmermann, 1904 | | |
| Chaetoceros compressus Lauder, 1864 | | |
| Chaetoceros curvisetus P.T. Cleve, 1889 | | |
| Chaetoceros danicus P.T.Cleve, 1889 | | |
| Chaetoceros decipiens P.T. Cleve, 1873 | | |
| Chaetoceros densus P.T. Cleve, 1901 | | |
| Chaetoceros diadema (Ehrenberg) Gran, 1897 | | |
| Chaetoceros dichaeta Ehrenberg, 1844 | | |
| Chaetoceros diversus Cleve, 1873 | | |
| Chaetoceros dubius Pr.-Lavrenko | | |
| Chaetoceros insignis Prosckina-Lavrenko | | |
| Chaetoceros laciniosus Schütt, 1895 | | |
| Chaetoceros lorenzianus Grunow, 1863 | | |
| Chaetoceros lorenzianus var. solitarius Proshkina-Lavrenko | | |
| Chaetoceros muelleri Lemmermann, 1898 | | |
| Chaetoceros neogracilis VanLand., 1968 | ''Chaetoceros gracilis''; | |
| Chaetoceros pacificus G.I.Semina | | Doubtful |
| Chaetoceros paulsenii Ostenfeld, 1901 | | |
| Chaetoceros peruvianus Brightw. | | |
| Chaetoceros peruvianus var. gracilis J.L.B.Schröder | | Doubtful |
| Chaetoceros rigidus Ostenfeld | | |
| Chaetoceros scabrosus Prosckina-Lavrenko | | |
| Chaetoceros seiracanthus Gran, 1897 | | |
| Chaetoceros similis P.T. Cleve, 1896 | | |
| Chaetoceros similis f. solitarius Proschkina-Lavrenko | | |
| Chaetoceros simplex Ostenfeld, 1901 | | |
| Chaetoceros socialis Lauder, 1864 | | |
| Chaetoceros subtilis (Proschkina-Lavrenko) Proschkina-Lavrenko, 1961 | | |
| Chaetoceros subtilis var. abnormis | | |
| Chaetoceros tenuissimus Meunier, 1913 | | |
| Chaetoceros teres P.T. Cleve, 1896 | | |
| Chaetoceros tortissimus Gran, 1900 | | |
| Chaetoceros wighamii Brightwell, 1856 | | |
| Chaetoceros willei Grunow, 1897 | ''Chaetoceros affinis var. willei''; | |
| Cladopyxis caryophyllum (Kofoid, 1907) Pavillard, 1931 | | Doubtful |
| Climaconeis inflexa (Brébisson ex Kützing) E.J.Cox, 1982 | ''Amphora inflexa''; | |
| Coccolithus pelagicus (Wallich, 1877) Schiller, 1930 | | |
| Cocconeis scutellum (Grunow in Van Heurck) P.T. Cleve, 1896 | | |
| Cocconeis scutellum var. parva (Grunow in Van Heurck) P.T. Cleve, 1896 | | |
| Cochlodinium brandtii Wulff, 1916 | | |
| Cochlodinium citron Kofoid & Swezy, 1921 | | |
| Cochlodinium polykrikoides Margalef, 1961 | | |
| Coscinodiscus apiculatus Ehrenberg, 1844 | | |
| Coscinodiscus asteromphalus Ehrenberg, 1844 | | |
| Coscinodiscus commutatus Grunow, 1884 | ''Coscinodiscus jonesianus var. commutatus''; | |
| Coscinodiscus curvatulus Grunow ex A. Schmidt, 1878 | | |
| Coscinodiscus gigas Ehrenb. 1841 | | |
| Coscinodiscus granii Gough, 1905 | | |
| Coscinodiscus janischii Schmidt, 1878 | | |
| Coscinodiscus jonesianus (Greville) Ostenfeld, 1915 | | |
| Coscinodiscus perforatus (Forti) Hust., 1928 | | |
| Coscinodiscus radiatus Ehrenberg, 1841 | | |
| Cyclotella caspia Grunow, 1878 | | |
| Cyclotella meneghiniana Kützing, 1844 | | |
| Cylindrotheca closterium (Ehrenberg) Reiman & Lewin, 1964 | | |
| Cymbella affinis Kützing, 1844 | | |
| Dactyliosolen fragilissimus (Bergon) G. R. Hasle, 1991 | | |
| Detonula confervacea (P.T. Cleve) Gran, 1900 | | |
| Detonula pumila (Castracane) Gran, 1900 | | |
| Dictyocha fibula Ehrenberg | | |
| Dictyocha speculum Ehrenberg | | |
| Dinobryon balticum (Schütt) Lemmermann, 1900 | | |
| Dinophysis acuminata Claparède & Lachmann, 1859 | also ''Dinophysis levanderi''; | |
| Dinophysis acuta Ehrenberg, 1841 | | |
| Dinophysis amandula (Balech, 1967) Sournia, 1973 | | |
| Dinophysis caudata Saville-Kent, 1881 | | |
| Dinophysis fortii Pavillard, 1923 | | |
| Dinophysis hastata Stein, 1883 | | |
| Dinophysis irregularis (Lebour, 1925) Balech, 1967 | ''Phalacroma irregulare''; | |
| Dinophysis norvegica Claparède & Lachmann, 1859 | | |
| Dinophysis ovum Schütt, 1895 | | |
| Dinophysis pulchella (Lebour) Balech | | |
| Dinophysis sacculus Stein, 1883 | | |
| Dinophysis sphaerica Stein 1883 | | |
| Diploneis subcincta (A. Schmidt) Cleve, 1894 | | Doubtful |
| Diplopsalis lenticula Bergh, 1881 | | |
| Discosphaera tubifera (Murray & Blackman) Ostenfeld 1900 | also as ''Discosphaera thomsonii''; | |
| Ditylum brightwellii (T. West) Grunow in Van Heurck, 1883 | | |
| Durinskia baltica (K.M.Levander) S.Carty & E.R.Cox, 1986 | ''Peridinium balticum''; | Doubtful |
| Ebria antiqua Schultze | | |
| Ebria tripartita (Shumann) Lemmermann, 1899 | | |
| Emiliania huxleyi (Lohmann) Hay & Mohler, 1967 | | |
| Entomoneis alata (Ehrenberg) Ehrenberg, 1845 | ''Amphiprora alata''; | |
| Eucampia cornuta | | |
| Eucampia zodiacus Ehrenberg, 1840 | | |
| Eutreptia lanowii Steuer, 1904 | | |
| Glenodinium caspicum (Ostenfeld) J. Schiller | | |
| Glenodinium obliquum Pouchet | | |
| Glenodinium paululum Lindemann | | |
| Glenodinium pilula (Ostenfeld) Schiller | | |
| Goniodoma polyedricum (Pouchet, 1883) Jørgensen, 1899 | | |
| Gonyaulax apiculata (Pénard, 1891) Entz, 1904 | | |
| Gonyaulax diegensis Kofoid, 1911 | | |
| Gonyaulax digitale (Pouchet, 1883) Kofoid, 1911 | | |
| Gonyaulax grindleyi Reinecke, 1967 | | |
| Gonyaulax minima Matzenauer, 1933 | | |
| Gonyaulax orientalis Lindemann, 1924 | | |
| Gonyaulax polygramma Stein, 1883 | | |
| Gonyaulax scrippsae Kofoid, 1911 | | |
| Gonyaulax spinifera (Claparède & Lachmann, 1859) Diesing, 1866 | | |
| Grammatophora angulosa Ehrenberg, 1841 | | |
| Grammatophora marina (Lyngbye) Kützing, 1844 | | |
| Grammatophora serpentina (Ralfs) Ehrenberg | | |
| Guinardia delicatula (Cleve) G.R. Hasle, 1996 | | |
| Gymnodinium agile Kofoid et Swezy | | |
| Gymnodinium agiliforme Schiller, 1928 | | |
| Gymnodinium arcticum Wulff, 1916 | | |
| Gymnodinium biconicum Schiller, 1928 | | |
| Gymnodinium frigidum Balech, 1965 | | |
| Gymnodinium fusus Schütt, 1896 | | |
| Gymnodinium heterostriatum Kofoid & Swezy, 1921 | | |
| Gymnodinium najadeum Schiller, 1928 | | |
| Gymnodinium simplex (Lohmann, 1911) Koifoid & Swezy, 1921 | | |
| Gymnodinium uberrimum (G.J. Allman) Kofoid & Swezy, 1921 | also ''Gymnodinium rotundatum''; | |
| Gymnodinium wulffii Schiller, 1933 | | |
| Gyrodinium britannicum Koifoid & Swezy, 1921 | | |
| Gyrodinium contortum (Schütt, 1895) Kofoid et Swezy, 1921 | | Doubtful |
| Gyrodinium fissum (Levander, 1894) Kofoid & Swezy, 1921 | | |
| Gyrodinium fusiforme Koifoid & Swezy, 1921 | | |
| Gyrodinium fusus (Meunier, 1910) Akselman, 1985 | | |
| Gyrodinium lachryma (Meunier, 1910) Kofoid & Swezy, 1921 | | |
| Gyrodinium nasutum (Wulff, 1916) Schiller, 1933 | | |
| Gyrodinium opimum (Schütt) Lebour, 1925 | | Doubtful |
| Gyrodinium pingue (Schütt, 1895) Kofoid et Swezy, 1921 | | |
| Gyrodinium pusillum (Schilling) Kofoid & Swezy | ''Gymnodinium pusillum''; | |
| Gyrodinium rubricaudatum Kofoid & Swezy, 1921 | | Doubtful |
| Gyrodinium spirale (Bergh, 1881) Kofoid et Swezy, 1921 | | |
| Halopappus quadribrachiatus Schiller | | |
| Halosphaera viridis Schmitz | | |
| Helladosphaera cornifera (Schiller, 1913) Kamptner, 1937 | | |
| Hemiaulus hauckii Grunow in Van Heurck, 1882 | | |
| Hemiaulus indicus G.H.H.Karsten | | Doubtful |
| Hemiaulus sinensis Greville, 1865 | | |
| Herdmania litoralis Dodge, 1981 emend. Hoppenrath, 2000 | | |
| Hermesinum adriaticum O.Zacharias, 1906 | | |
| Heterocapsa rotundata (Lohmann, 1908) G. Hansen, 1995 | ''Katodinium rotundatum''; | |
| Heterocapsa triquetra (Ehrenberg, 1840) Stein, 1883 | | |
| Heterodinium mediterraneum Pavillard, 1932 | | |
| Hillea fusiformis (Schiller) Schiller, 1925 | | |
| Hyalodiscus scoticus (Kützing) Grunow, 1879 | | |
| Katodinium glaucum (Lebour, 1917) Loeblich III, 1965 | | |
| Kryptoperidinium foliaceum (Stein, 1883) Lindemann, 1924 | | |
| Lauderia annulata P.T. Cleve, 1873 | | Doubtful |
| Leptocylindrus adriaticus Schroder | | |
| Leptocylindrus danicus P.T. Cleve, 1889 | | |
| Leptocylindrus minimus Gran, 1915 | | |
| Leucocryptos marina (Braarud) Butcher, 1967 | | |
| Licmophora abbreviata C.A. Agardh, 1831 | | |
| Licmophora dalmatica (Kütz.) Grun. 1867 | | |
| Licmophora ehrenbergii (Kützing) Grunow, 1867 | | |
| Licmophora flabellata C. Agardh, 1830 | | |
| Licmophora gracilis (Ehrenberg) Grunow, 1867 | | |
| Lingulodinium polyedrum (Stein, 1883) Dodge, 1989 | | |
| Lioloma delicatulum (E. Cupp) G.R. Hasle | ''Thalassiothrix delicatula''; | |
| Melosira islandica O.F.Müller, 1906 | | |
| Melosira moniliformis (O.F. Müller) C. Agardh, 1824 | | |
| Melosira moniliformis var. octogona (Grunow) Hustedt | | |
| Meringosphaera mediterranea Lohmann, 1902 | | |
| Mesoporos perforatus (Gran) Lillick 1937 | | |
| Microcystis aeruginosa (Kützing) Kützing, 1846 | | |
| Navicula cancellata Donkin, 1872 | | |
| Navicula clavata Greg., 1856 | | |
| Navicula directa (W. Smith) Ralfs in Pritchard, 1861 | | |
| Navicula septentrionalis (Grunow) Gran, 1905 | | Doubtful |
| Neoceratium extensum (Gourret) F.Gomez, D.Moreira & P.Lopez-Garcia, 2009 | ''Ceratium extensum''; ''Ceratium strictum''; | |
| 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 hexacanthum (Gourret) F.Gomez, D.Moreira & P.Lopez-Garcia, 2009 | ''Ceratium hexacanthum''; | |
| Neoceratium lineatum (Ehrenberg) F.Gomez, D.Moreira & P.Lopez-Garcia, 2009 | ''Ceratium lineatum''; | |
| Neoceratium longipes (Bailey) F.Gomez, D.Moreira & P.Lopez-Garcia, 2009 | ''Ceratium longipes''; | |
| Neoceratium pentagonum (Gourret) F.Gomez & P.Lopez-Garcia, 2009 | ''Ceratium pentagonum''; | |
| Neoceratium pulchellum (Schröder) F.Gomez, D.Moreira & P.Lopez-Garcia, 2009 | ''Ceratium pulchellum''; | |
| Neoceratium tripos (O.F.Müller) F.Gomez, D.Moreira & P.Lopez-Garcia, 2009 | ''Ceratium tripos''; | |
| Neodenticula seminae (Simonsen & Kanaya) Akiba & Yanagisawa | | |
| Nitzschia bilobata W. Smith | | |
| Nitzschia holsatica Hust | | |
| Nitzschia longissima (Brébisson in Kützing) Ralfs in Pritchard, 1861 | | |
| Nitzschia pungens var. atlantica Cleve | | |
| Nitzschia tenuirostris Mer. | | |
| Octactis octonaria (Ehrenberg) Hovasse, 1946 | | |
| Odontella aurita (Lyngbye) C. A. Agardh, 1832 | | |
| Oolithotus fragilis (Lohmann) Martini & C.Müller, 1972 | ''Coccolithus fragilis''; | |
| Oxyrrhis marina Dujardin, 1841 | | |
| Oxytoxum adriaticum Schiller, 1937 | | |
| Oxytoxum gladiolus Stein, 1883 | | |
| Oxytoxum variabile Schiller, 1937 | | |
| Palusphaera vandeli Lecal, 1967 | ''Rhabdosphaera longistylis''; | |
| Paralia sulcata (Ehrenberg) P.T. Cleve, 1873 | | |
| Peridiniella catenata (Levander, 1894) Balech, 1977 | | |
| Peridiniella danica (Paulsen, 1907) Okolodkov et Dogde, 1995 | ''Glenodinium danicum''; | |
| Peridinium cinctum (O.F.Müller) Ehrenberg | also as ''Peridinium cinctum f. westii''; | |
| Phalacroma cuneus Schütt, 1895 | | Doubtful |
| Phalacroma parvulum (Schütt, 1895) Jørgensen, 1923 | | |
| Phalacroma rotundata (Claparéde & Lachmann) Kofoid & Michener, 1911 | | |
| Pheopolykrikos hartmannii (Zimmermann, 1930) Matsuoka et Fukuyo, 1986 | | |
| Planktolyngbya limnetica (Lemmermann) J.Komárková-Legnerová & G.Cronberg | ''Lyngbya limnetica''; | |
| Planktoniella sol | | |
| Pleurosigma elongatum W. Smith, 1852 | | |
| Pleurosigma formosum Wm. Smith | | |
| Pleurosigma intermedium Wm. Smith | | Doubtful |
| Polykrikos kofoidii Chatton, 1914 | | |
| Polykrikos schwartzii Bütschli 1873 | | |
| Pontosphaera nigra Schiller | | |
| Pontosphaera pellucida Lohmann | | |
| Pontosphaera syracusana Lohmann | | Doubtful |
| Poropila dubia Schiller, 1925 | | |
| Porosira glacialis (Grunow) E. Jørgensen, 1905 | ''Podosira hormoides var. glacialis''; | |
| Preperidinium meunierii (Pavillard, 1907) Elbrächter, 1993 | | |
| Proboscia alata (Brightwell) Sundström, 1986 | | |
| Pronoctiluca acuta (Lohmann, 1912) Schiller, 1933 | | |
| Pronoctiluca pelagica Fabre-Domerque, 188 | | |
| Prorocentrum balticum (Lohmann, 1908) Loeblich, 1970 | | |
| Prorocentrum compressum (Bailey, 1850) Abé ex Dodge, 1975 | | |
| Prorocentrum cordatum (Ostenfeld, 1901) Dodge, 1975 | also ''Prorocentrum minimum''; | |
| Prorocentrum dentatum Stein, 1883 | | |
| Prorocentrum lima (Ehrenberg, 1860) Stein, 1975 | | |
| Prorocentrum mexicanum Osorio-Tafall, 1942 | | |
| Prorocentrum micans Ehrenberg, 1834 | | |
| Prorocentrum ovum (Schiller, 1918) Dodge, 1975 | ''Prorocentrum ovale''; | |
| Prorocentrum reticulatum Faust, 1997 | | |
| Prorocentrum scutellum Schröder, 1900 | | |
| Prorocentrum vaginulum (Ehrenberg) Dodge | | |
| Protoceratium areolatum Kofoid, 1907 | | |
| Protoperidinium bipes (Paulsen, 1904) Balech, 1974 | | |
| Protoperidinium breve Paulsen, 1907 | | |
| 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 curvipes (Ostenfeld, 1906) Balech, 1974 | | |
| Protoperidinium decipiens (Jørgensen, 1899) Parke et Dodge, 1976 | | |
| Protoperidinium denticulatum (Gran et Braarud, 1935) Balech, 1974 | | |
| Protoperidinium depressum (Bailey, 1850) Balech, 1974 | | |
| Protoperidinium diabolum (Cleve) Balech, 1974 | ''Protoperidinium diabolus''; | |
| Protoperidinium divergens (Ehrenberg, 1841) Balech, 1974 | | |
| Protoperidinium globulus (Stein, 1883) Balech, 1974 | | |
| Protoperidinium granii (Ostenfield, 1906) Balech, 1974 | | |
| Protoperidinium knipowitschii (Usachev) Balech 1974 | | |
| Protoperidinium leonis (Pavillard, 1916) Balech, 1974 | | |
| Protoperidinium longispinum (Kofoid, 1907) Balech, 1974 | | |
| Protoperidinium oceanicum (VanHöffen, 1897) Balech, 1974 | | |
| Protoperidinium ovatum Pouchet, 1883 | ''Protoperidinium globulus var. ovatum''; | |
| Protoperidinium pallidum (Ostenfeld, 1899) Balech, 1973 | | |
| Protoperidinium pedunculatum (Schütt) Balech, 1895 | | |
| Protoperidinium pellucidum Bergh, 1882 | | |
| Protoperidinium pentagonum (Gran, 1902) Balech, 1974 | | |
| Protoperidinium pyriforme (Paulsen, 1907) Balech, 1974 | | |
| Protoperidinium roseum (Paulsen, 1904) Balech, 1974 | | |
| Protoperidinium sinaicum (Matzenauer, 1933) Balech, 1974 | | |
| Protoperidinium solidicorne (Mangin, 1922) Balech, 1974 | | |
| Protoperidinium steinii (Jörgensen, 1899) Balech, 1974 | | |
| Pseudo-nitzschia delicatissima (P.T. Cleve, 1897) Heiden, 1928 | | |
| Pseudo-nitzschia pseudodelicatissima (Hasle) Hasle, 1993 | | |
| Pseudo-nitzschia pungens (Grunow ex P.T. Cleve, 1897) Hasle, 1993 | | |
| Pseudo-nitzschia seriata (P.T. Cleve, 1883) H. & M. Peragallo, 1900 | | |
| Pseudosolenia calcar-avis (Schultze) Sundström, 1986 | | |
| Pterosperma cristatum Schiller, 1925 | | |
| Pterosperma jorgensii Shiller | | |
| Ptychodiscus noctiluca Stein, 1883 | | |
| Pyrocystis noctiluca J. Murray, 1885 ex Haeckel, 1890 | | |
| Pyrophacus steinii (Schiller, 1935) Wall & Dale, 1971 | | |
| Reimeria sinuata (Gregory) Kociolek & Stoermer, 1987 | ''Cymbella sinuata''; | |
| Rhabdonema adriaticum Kützing, 1844 | | |
| Rhabdosphaera hispida Lohmann | | |
| Rhizosolenia hebetata (Bail) Gran | | |
| Rhizosolenia hebetata f. semispina (Hensen) Gran, 1905 | | |
| Rhizosolenia styliformis Brightwell, 1858 | | |
| Rhopalodia musculus (Kützing) O.F. Müller, 1900 | | |
| Scenedesmus quadricauda (Turpin) Brébisson in Brébisson & Godey, 1835 | | |
| Scrippsiella trochoidea (Stein, 1883) Balech ex Loeblich III, 1965 | | |
| Skeletonema costatum (Greville) P.T. Cleve, 1878 | | |
| Spatulodinium pseudonoctiluca (Pouchet, 1885) J. Cachon & Cachon ex Loeblich & Loeblich III, 1969 | ''Gymnodinium pseudonoctiluca'' and ''Gymnodinium lebouriae''; | |
| Striatella delicatula (Kützing) Grunow ex Van Heurck, 1881 | | |
| Striatella unipunctata (Lyngb.) Ag. | | |
| Synedra acus var. angustissima (Grunow in Van Heurck) Van Heurck, 1885 | | |
| Synedra parva Kützing | ''Synedra tabulata var. parva''; | |
| Syracosphaera dentata Lohmann | | |
| Syracosphaera pulchra Lohmann | | |
| Syracosphaera spinosa Lohmann | | |
| Thalassionema frauenfeldii (Grunow) Hallegraeff, 1986 | | |
| Thalassionema nitzschioides (Grunow, 1862) Van Heurck, 1896 | | |
| Thalassiosira anguste-lineata (A. Schmidt) Fryxell et Hasle, 1977 | | |
| Thalassiosira antiqua var. septata Proschkina-Lavrenko 1955 | | |
| Thalassiosira baltica (Grunow in P.T. Cleve & Grunow) Ostenfeld, 1901 | ''Thalassiosira subsalina''; | |
| Thalassiosira eccentrica (Ehrenberg) P.T. Cleve, 1903-1904 | | |
| Thalassiosira leptopus (Grunow In Van Heurck) Fryxell et Hasle, 1977 | ''Coscinodiscus lineatus''; | |
| Thalassiosira nordenskioeldii P.T. Cleve, 1873 | | |
| Thalassiosira parva Proshk.-Lavr., 1955 | | |
| Thalassiosira rotula Meunier, 1910 | | |
| Thalassiosira subtilis (Ostenfeld) Gran, 1900 | | |
| Thalassiothrix longissima P.T. Cleve & Grunow, 1880 | | |
| Torodinium teredo (Pouchet, 1885) Kofoid & Swezy, 1921 | | |
| Toxarium undulatum J.W. Bailey, 1854 | | |
| Tryblionella acuta (Cleve) D.G. Mann 1990 | ''Nitzschia acuta''; | |