| Species | as Species | Doubtful |
|---|
Connected successfully| Achnanthes bacescui Bodeanu | | |
| Achnanthes brevipes C.A. Agardh, 1824 | | |
| Achnanthes brevipes var. intermedia (Kützing) P.T. Cleve, 1895 | | |
| Achnanthes delicatula hauckiana (Grunow) Lange-Bertalot, 1980 | ''Achnanthes hauckiana''; | |
| Achnanthes hauckiana var. rostrata Schulz, 1926 | | |
| Achnanthes lanceolata var. rostrata Hustedt, 1911 | | |
| Achnanthes longipes Agardh, 1824 | | |
| Achnanthes lyrata Proshkina-Lavrenko | | |
| Achnanthes manifera Brun, 1895 | | |
| Achnanthidium minutissimum (Kützing) Czarnecki, 1994 | ''Achnanthes minutissima''; | |
| Actinastrum hantzschii Lagerheim, 1882 | | |
| Actinocyclus octonarius Ehrenberg, 1838 | ''Actinocyclus ehrenbergii''; | |
| Actinocyclus octonarius var. tenellus (Brébisson) Hendey, 1954 | ''Actinocyclus ehrenbergii var. tenellus''; | |
| Akashiwo sanguinea (K.Hirasaka) G.Hansen & Ø.Moestrup | ''Gymnodinium splendens''; | |
| Amphipleura micans (Lyngbye) Cleve, 1894 | | |
| Amphiprora gigantea var. decussata (Grunow) Cleve | | |
| Amphora acuta Gregory, 1857 | | |
| Amphora angusta Gregory, 1857 | | |
| Amphora arcus Gregory, 1854 | | |
| Amphora coffeaeformis (C. Agardh) Kützing, 1844 | | |
| Amphora coffeaeformis var. acutiuscula (Kutz.) Hust. 1930 | | |
| Amphora commutata Grunow in Van Heurck, 1880 | | |
| Amphora costata W. Smith, 1853 | | |
| Amphora crassa Gregory, 1857 | | |
| Amphora exigua Gregory, 1857 | | |
| Amphora granulata var. costata Proshkina-Lavrenko, 1963 | | |
| Amphora granulata var. punctata Proshkina-Lavrenko, 1963 | | |
| Amphora hyalina Kützing, 1844 | | |
| Amphora hyalina var. delicatula Proshkina-Lavrenko | | |
| Amphora laevis Gregory, 1857 | | |
| Amphora lineolata Ehrenberg, 1838 | | |
| Amphora macilenta var. maeotica Pr.-Lavrenko | | |
| Amphora ostrearia Brébisson, 1849 | | |
| Amphora ovalis (Kützing) Kützing, 1844 | | |
| Amphora pediculus (Kützing) Grunow in A. Schmidt, 1875 | ''Amphora ovalis var. pediculus''; | |
| Amphora perpusilla (Grunow) Grunow in Van Heurck 1884 | | |
| Amphora proteoides f. varians Pr.-Lavrenko | | |
| Amphora proteus Gregory, 1857 | | |
| Amphora proteus f. ambigua Pr.-Lavrenko | | |
| Amphora proteus var. laevistriata A.Cleve | | |
| Amphora proteus var. oculata H. Peragallo, 1898 | | |
| Amphora proteus var. oculata f. nana Bodeanu | | |
| Amphora terroris Ehrenb. 1853 | | |
| Amphora truncata Greg. 1857 | | |
| Amphora truncata var. brevis Bodeanu | | |
| Amphora veneta Kützing, 1844 | | |
| Anabaena spiroides Klebahn, 1895 | | |
| Anacanthoica acanthos (Schiller) Deflandre, 1952 | ''Acanthoica acanthos''; | |
| Ankistrodesmus falcatus (Corda) Ralfs, 1848 | | |
| Aphanizomenon flos-aquae (Linnaeus) Ralfs ex Bornet & Flahault, 1888 | | |
| Archaeperidinium minutum (Kofoid) Jorgensen, 1912 | ''Peridinium minutum''; | |
| Ardissonea crystallina (C.A. Agardh) Grunow in Cleve & Grunow, 1880 | ''Synedra crystallina''; | |
| Asterionella formosa Hassall, 1850 | | |
| Asterionella gracillima (Hantzsch) Heiberg, 1863 | | |
| Asteromphalus flabellatus (Brébisson) Greville, 1859 | | |
| Asteromphalus robustus Castracane, 1875 | | |
| Attheya septentrionalis (Østrup) Crawford in Crawford et al., 1994 | ''Chaetoceros septentrionalis''; | |
| Aulacoseira distans (Ehrenberg) Simonsen, 1979 | ''Melosira distans''; | |
| Aulacoseira epidendron (Ehrenb.) | ''Melosira roeseana''; | |
| Aulacoseira granulata (Ehrenberg) Simonsen, 1979 | ''Melosira granulata''; | |
| Aulacoseira granulata var. angustissima (O. Müller) Simonsen, 1979 | ''Melosira granulata var. angustissima''; | |
| Aulacoseira italica (Ehrenberg) Simonsen 1979 | ''Melosira italica''; | |
| Bacillaria paxillifera (O.F.Müller) T.Marsson, 1901 | ''Bacillaria paradoxa''; | |
| Bacillaria socialis var. baltica Grunow | | |
| Berkeleya rutilans (Trentepohl ex Roth) Grunow, 1880 | ''Amphipleura rutilans''; | |
| Berkeleya scopulorum (Bréb. Ex Kütz.) E. J. Cox 1979 | ''Navicula scopulorum''; | |
| Caloneis formosa var. densestriata Pr.-Lavrenko | | |
| Caloneis liber (W. Sm.) Cleve, 1894 | | |
| Caloneis linearis (Grun.) Boyer, 1927 | ''Caloneis liber var. linearis''; | |
| Caloneis silicula (Ehrenberg) P.T. Cleve, 1894 | | |
| Caloneis westii (W. Smith) Hendey, 1964 | ''Caloneis formosa''; | |
| Calyptrosphaera oblonga Lohman, 1902 | | |
| Campylodiscus echeneis Ehrenberg ex Kützing, 1844 | | |
| Campylodiscus fastuosus Ehrenberg, 1845 | ''Campylodiscus thuretii''; | |
| Campylodiscus thuretii var. lineolatum Pr.-Lavr., 1955 | | |
| Cavinula lacustris (Gregory) D.G. Mann & Stickle in Round et al., 1990 | ''Navicula lacustris''; | |
| Cerataulina pelagica (Cleve) Hendey, 1937 | | |
| Cerataulus turgidus (Ehrenberg) Ehrenberg 1843 | | |
| Ceratoneis arcus (Ehrenberg) Kützing 1844 | | |
| Chaetoceros affinis Lauder, 1864 | | |
| Chaetoceros affinis f. schutii | | |
| Chaetoceros anastomosans Grunow | | |
| Chaetoceros borgei Lemmermann, 1904 | | |
| Chaetoceros calcitrans (Paulsen) Takano, 1968 | ''Chaetoceros simplex var. calcitrans''; | |
| Chaetoceros compressus Lauder, 1864 | | |
| Chaetoceros curvisetus P.T. Cleve, 1889 | | |
| Chaetoceros danicus P.T.Cleve, 1889 | | |
| Chaetoceros densus P.T. Cleve, 1901 | | |
| Chaetoceros diadema (Ehrenberg) Gran, 1897 | ''Chaetoceros subsecundus''; | |
| Chaetoceros dubius Pr.-Lavrenko | | |
| Chaetoceros fallax Prosckina-Lavrenko, 1955 | | |
| Chaetoceros holsaticus Schütt, 1895 | | |
| Chaetoceros insignis Prosckina-Lavrenko | | |
| Chaetoceros laciniosus Schütt, 1895 | | |
| Chaetoceros lauderi Ralfs in Lauder, 1864 | | |
| Chaetoceros lorenzianus Grunow, 1863 | | |
| Chaetoceros lorenzianus var. solitarius Proshkina-Lavrenko | | |
| Chaetoceros muelleri Lemmermann, 1898 | | |
| Chaetoceros paulsenii Ostenfeld, 1901 | | |
| Chaetoceros peruvianus Brightw. | | |
| Chaetoceros rigidus Ostenfeld | | |
| Chaetoceros scabrosus Prosckina-Lavrenko | | |
| Chaetoceros similis P.T. Cleve, 1896 | | |
| Chaetoceros similis f. solitarius Proschkina-Lavrenko | | |
| Chaetoceros simplex Ostenfeld, 1901 | | |
| Chaetoceros socialis Lauder, 1864 | | |
| Chaetoceros socialis f. radians (F. Schütt) A.I. Proshkina-Lavrenko, 1963 | | |
| Chaetoceros subtilis (Proschkina-Lavrenko) Proschkina-Lavrenko, 1961 | | |
| Chaetoceros subtilis var. abnormis | | |
| Chaetoceros teres P.T. Cleve, 1896 | | |
| Chaetoceros wighamii Brightwell, 1856 | | |
| Chaetoceros willei Grunow, 1897 | ''Chaetoceros affinis var. willei''; | |
| Climaconeis inflexa (Brébisson ex Kützing) E.J.Cox, 1982 | ''Amphora inflexa''; | |
| Cocconeis distans Gregory, 1855 | | |
| Cocconeis maxima (Grun.) H. et M. Perag. 1897 | | |
| Cocconeis notata Petit, 1877 | | |
| Cocconeis pediculus Ehrenberg, 1838 | | |
| Cocconeis placentula Ehrenberg, 1838 | | |
| Cocconeis placentula var. euglypta (Ehrenberg) Grunow, 1884 | | |
| Cocconeis placentula var. lineata (Ehrenberg) Van Heurck, 1885 | | |
| Cocconeis pseudodebesii Prosckina-Lavrenko | | |
| Cocconeis scutellum (Grunow in Van Heurck) P.T. Cleve, 1896 | | |
| Cocconeis scutellum var. minutissima Grunow in Van Heurck, 1880 | | |
| Cocconeis scutellum var. parva (Grunow in Van Heurck) P.T. Cleve, 1896 | | |
| Coronosphaera mediterranea (Lohmann, 1902) Gaarder, 1977 | ''Syracosphaera mediterranea''; | |
| Coscinodiscus apiculatus Ehrenberg, 1844 | | |
| Coscinodiscus concinnus W. Smith, 1856 | | |
| Coscinodiscus granii Gough, 1905 | | |
| Coscinodiscus jonesianus (Greville) Ostenfeld, 1915 | | |
| Coscinodiscus nitidus W. Gregory, 1857 | | |
| Coscinodiscus oculus-iridis (Ehrenberg) Ehrenberg, 1854 | | |
| Coscinodiscus perforatus (Forti) Hust., 1928 | | |
| Coscinodiscus radiatus Ehrenberg, 1841 | | |
| Craticula halophila (Grunow ex Van Heurck) D.G. Mann in Round et al., 1990 | ''Navicula halophila'' and ''Navicula simplex''; | |
| Cyclostephanos dubius (Fricke) Round in Theriot et al., 1988 | ''Stephanodiscus dubius''; | |
| Cyclotella caspia Grunow, 1878 | | |
| Cyclotella convexa (Ehrenberg) Kutzing | | |
| Cyclotella meneghiniana Kützing, 1844 | | |
| Cyclotella stelligera P.T. Cleve & Grunow in Van Heurck, 1882 | | |
| Cyclotella undulata Bodeanu 1976 | | |
| Cymatopleura solea (Brébisson) W. Smith, 1851 | | |
| Cymbella affinis Kützing, 1844 | | |
| Cymbella amphicephala Nägeli in Kützing, 1849 | | |
| Cymbella aspera (Ehrenberg) Cleve, 1894 | | |
| Cymbella cistula (Hemprich & Ehrenberg) O. Kirchner, 1878 | | |
| Cymbella lanceolata (Ehrenberg) Kirchner, 1878 | | |
| Cymbella navicula Skvortzov | | |
| Cymbella sinuata f. ovata (Hust.) in Hust. 1930 | | |
| Cymbella tumida (Brébisson) Van Heurck, 1880 | | |
| Dactyliosolen fragilissimus (Bergon) G. R. Hasle, 1991 | ''Rhizosolenia fragillissima''; | |
| Detonula confervacea (P.T. Cleve) Gran, 1900 | | |
| Diatoma tenue C.A. Agardh, 1812 | ''Diatoma elongatum'' and ''Diatoma elongatum var. tenue''; | |
| Diatoma vulgare Bory de Saint-Vincent, 1824 | | |
| Diatoma vulgare f. subsalina A.I.Proshikina-Lavrenko | | |
| Diatoma vulgare var. producta Grunow, 1862 | | |
| Dictyocha speculum Ehrenberg | | |
| Dictyosphaerium ehrenbergianum Nägeli, 1849 | | |
| Dimeregramma fulvum (Gregory) Ralfs | | |
| Dimeregramma minor (Gregory) Ralfs in Pritchard, 1861 | | |
| Dinobryon balticum (Schütt) Lemmermann, 1900 | ''Dinobryon pellucidum''; | |
| Dinobryon sertularia Ehrenberg, 1834 | | |
| Dinophysis acuminata Claparède & Lachmann, 1859 | | |
| Dinophysis caudata Saville-Kent, 1881 | | |
| Dinophysis hastata Stein, 1883 | | |
| Dinophysis ovum Schütt, 1895 | | |
| Dinophysis pulchella (Lebour) Balech | ''Phalacroma pulchellum''; | |
| Dinophysis sacculus Stein, 1883 | | |
| Diploneis bombus (Ehrenberg) Cleve, 1894 | | |
| Diploneis chersonensis (Grun. In A. Schmidt) Cleve, 1894 | | |
| Diploneis didyma (Ehrenberg) P.T. Cleve, 1894 | | |
| Diploneis elliptica (Kützing) P.T. Cleve, 1894 | | |
| Diploneis fusca (W. Gregory) Cleve, 1894 | | |
| Diploneis interrupta (Kützing) P.T. Cleve, 1894 | | |
| Diploneis interrupta var. heeri (Pantocsek) Hustedt, 1937 | | |
| Diploneis littoralis (Donkin) Cleve, 1894 | | |
| Diploneis notabilis (Grev.) Cleve, 1894 | | |
| Diploneis notabilis var. tenera Proshkina-Lavrenko | | |
| Diploneis oblongella (Nägeli in Kützing) Cleve-Euler in Cleve-Euler (& Osvald), 1922 | ''Diploneis ovalis var. oblongella''; | |
| Diploneis ovalis (Hilse in Rabenhorst) P.T. Cleve, 1891 | | |
| Diploneis papula (A. Schmidt) P.T. Cleve, 1894 | | |
| Diploneis pseudovalis Hust. 1930 | | |
| Diploneis smithii (Brébisson in W. Smith) P.T. Cleve, 1894 | | |
| Diploneis smithii var. constricta Heid. | | |
| Diploneis smithii var. pumila (Grunow) Hustedt, 1937 | | |
| Diploneis smithii var. rhombica (Mereschkowsky) Mereschkowsky, 1912 | | |
| Diploneis subadvena Hust. 1937 | | |
| Diploneis vacillans (A. Schmidt) P.T. Cleve, 1894 | | |
| Diplopsalis lenticula Bergh, 1881 | ''Glenodinium lenticula''; | |
| Diplopsalopsis orbicularis (Paulsen, 1907) Meunier, 1910 | ''Peridinium orbiculare''; | |
| Ditylum brightwellii (T. West) Grunow in Van Heurck, 1883 | | |
| Ebria tripartita (Shumann) Lemmermann, 1899 | | |
| Emiliania huxleyi (Lohmann) Hay & Mohler, 1967 | ''Pontosphaera huxleyi''; | |
| Encyonema minutum (Hilse in Rabenhorst) D.G. Mann in Round et al., 1990 | ''Cymbella ventricosa''; | |
| Endictya oceanica Ehrenberg, 1845 | | |
| Entomoneis alata (Ehrenberg) Ehrenberg, 1845 | ''Amphiprora alata''; | |
| Entomoneis paludosa (W. Smith) Reimer, 1975 | ''Amphiprora paludosa''; | |
| Epithemia adnata var. porcellus (Kütz.) R. Ross, 1950 | ''Epithemia zebra var. porcellus''; | |
| Epithemia sorex Kützing, 1844 | | |
| Epithemia turgida (Ehrenberg) Kützing, 1844 | also ''Cymbella turgida''; | |
| Epithemia turgida var. granulata (Ehrenberg) Brun, 1880 | | |
| Euglena pisciformis G.A. Klebs, 1883 | | |
| Eutreptia lanowii Steuer, 1904 | | |
| Fallacia pygmaea (Kützing) Stickle & Mann in Round et al., 1990 | ''Navicula pygmaea''; | |
| Fragilaria capucina Desmazières, 1825 | | |
| Fragilaria capucina var. vaucheriae (Kützing) Lange-Bertalot, 1980 | ''Fragilaria intermedia''; | |
| Fragilaria crotonensis Kitton, 1869 | | |
| Glenodinium inflatum Meunier | | |
| Glenodinium paululum Lindemann | | |
| Glenodinium pilula (Ostenfeld) Schiller | | |
| Glyphodesmis distans (Gregory) Grunow ex Van Heurck, 1881 | | |
| Gomphonema angustatum (Kützing) Rabenhorst, 1864 | | |
| Gomphonema augur Ehrenberg, 1840 | | |
| Gomphonema olivaceum (Hornemann) Brébisson, 1838 | | |
| Gomphonema parvulum (Kützing) Kützing, 1849 | | |
| Gomphonema parvulum var. lagenula (Grunow) Hustedt | | |
| Gomphonema parvulum var. subellipticum P.T. Cleve, 1894 | | |
| Goniodoma polyedricum (Pouchet, 1883) Jørgensen, 1899 | | |
| Gonyaulax cochlea Meunier, 1919 | | |
| Gonyaulax diegensis Kofoid, 1911 | | |
| Gonyaulax digitale (Pouchet, 1883) Kofoid, 1911 | | |
| Gonyaulax polygramma Stein, 1883 | | |
| Gonyaulax spinifera (Claparède & Lachmann, 1859) Diesing, 1866 | also ''Peridinium spiniferum''; | |
| Grammatophora marina (Lyngbye) Kützing, 1844 | | |
| Grammatophora oceanica Ehrenberg, 1841 | | |
| Gymnodinium agile Kofoid et Swezy | | |
| Gymnodinium fuscum (Ehrenberg, 1834) Stein, 1883 | | |
| Gymnodinium fusus Schütt, 1896 | | |
| Gymnodinium rhomboides Schütt, 1895 | | |
| Gyrodinium fusiforme Koifoid & Swezy, 1921 | | |
| Gyrodinium lachryma (Meunier, 1910) Kofoid & Swezy, 1921 | | |
| Gyrodinium pingue (Schütt, 1895) Kofoid et Swezy, 1921 | | |
| Gyrosigma acuminatum (Kützing) Rabenhorst, 1853 | | |
| Gyrosigma fasciola var. prolongatum (W.Smith) Cleve | | |
| Gyrosigma rectum var. minimum (Donk.) Cleve, 1894 | | |
| Gyrosigma tenuissimum (W. Smith) Griffith & Henfrey, 1856 | | |
| Halamphora granulata Gregory, 1857 | ''Amphora granulata''; | |
| Halosphaera viridis Schmitz | | |
| Hantzschia amphioxys (Ehrenberg) Grunow in Cleve & Grunow, 1880 | | |
| Hantzschia amphioxys f. capitata O.Müller, 1909 | | |
| Hemiaulus hauckii Grunow in Van Heurck, 1882 | | |
| Hermesinum adriaticum O.Zacharias, 1906 | | |
| Heterocapsa triquetra (Ehrenberg, 1840) Stein, 1883 | | |
| Hexasterias problematica Cleve, 1900 | | |
| Hyalodiscus ambiguus (Grun.) Temp. Et Perag. 1890 | | |
| Hyalodiscus scoticus (Kützing) Grunow, 1879 | | |
| Hypnodinium sphaericum Klebs, 1912 | | |
| Leptocylindrus adriaticus Schroder | | |
| Leptocylindrus danicus P.T. Cleve, 1889 | | |
| Leptocylindrus minimus Gran, 1915 | | |
| Licmophora abbreviata C.A. Agardh, 1831 | | |
| Licmophora ehrenbergii (Kützing) Grunow, 1867 | | |
| Licmophora flabellata C. Agardh, 1830 | | |
| Licmophora gracilis (Ehrenberg) Grunow, 1867 | | |
| Licmophora gracilis var. anglica (Kützing) H. & M. Peragallo, 1901 | | |
| Licmophora hastata Mer. | | |
| Licmophora hastata var. clavata (Mer.) Prosckina-Lavrenko | | |
| Licmophora paradoxa (Lyngbye) C.A. Agardh, 1828 | | |
| Lingulodinium polyedrum (Stein, 1883) Dodge, 1989 | ''Gonyaulax polyedra''; | |
| Luticola mutica (Kützing) D.G. Mann in Round et al., 1990 | ''Navicula mutica''; | |
| Lyrella atlantica (Schmidt) D.G.Mann in F.E. Round, R.M. Crawford & D.G. Mann, 1990 | ''Navicula lyra var. atlantica''; | |
| Lyrella hennedyi (W. Sm.) Stickle & D. G. Mann, 1990 | ''Navicula hennedyi''; | |
| Lyrella lyra (Ehrenb.) Karayeva, 1978 | ''Navicula lyra'' and ''Navicula lyra var. ehrenbergii''; | |
| Lyrella spectabilis (Gregory) D.G.Mann in F.E. Round, R.M. Crawford & D.G. Mann, 1990 | ''Navicula spectabilis''; | |
| Martyana martyi (Héribaud) Round in Round, Crawford & Mann 1990 | ''Opephora martyi''; | |
| Mastogloia angulata Lewis, 1861 | | |
| Mastogloia binotata (Grun.) Cleve, 1896 | | |
| Mastogloia braunii Grun., 1863 | | |
| Mastogloia paradoxa Grunow | | |
| Mastogloia pusilla Grun., 1878 | | |
| Mastogloia smithii Thwaites ex W. Smith, 1856 | | |
| Melosira islandica O.F.Müller, 1906 | | |
| Melosira lineata (Dillwyn) C.A. Agardh, 1824 | ''Melosira juergensi''; | |
| Melosira moniliformis (O.F. Müller) C. Agardh, 1824 | | |
| Melosira moniliformis var. octogona (Grunow) Hustedt | | |
| Melosira moniliformis var. subglobosa (Grunow) Hustedt | | |
| Melosira nummuloides C.A. Agardh, 1824 emend. Crawford, 1975 | | |
| Melosira varians C.A. Agardh, 1827 | | |
| Meridion circulare (Greville) C. Agardh, 1831 | | |
| Meridion circulare var. constrictum (Ralfs) Van Heurck, 1885 | | |
| Meringosphaera mediterranea Lohmann, 1902 | | |
| Meringosphaera merzi Schiller | | |
| Microcystis aeruginosa (Kützing) Kützing, 1846 | | |
| Navicula abrupta (W. Gregory) Donkin, 1870 | | |
| Navicula bicapitellata Hustedt 1925 | | |
| Navicula cancellata Donkin, 1872 | | |
| Navicula capitata var. capitata | ''Navicula hungarica var. capitata''; | |
| Navicula capitatoradiata Germain 1981 | ''Navicula cryptocephala var. intermedia''; | |
| Navicula clavata Greg., 1856 | | |
| Navicula cryptotenella Lange-Bertalot, 1985 | ''Navicula radiosa var. tenella''; | |
| Navicula decissis Ostr., 1910 | | |
| Navicula digitoradiata (Gregory) Ralfs in Pritchard, 1861 | | |
| Navicula digitoradiata var. cyprinus (Ehrenberg) W.Smith | | |
| Navicula directa (W. Smith) Ralfs in Pritchard, 1861 | | |
| Navicula distans (W. Smith) Ralfs, 1861 | | |
| Navicula exigua Gregory, 1854 | | |
| Navicula finmarchica (Cleve et Grun.) Cleve, 1826 | | |
| Navicula forcipata Greville, 1859 | | |
| Navicula forcipata var. densistriata A. Schmidt, 1881 | | |
| Navicula gregaria Donkin, 1861 | also ''Navicula cryptocephala''; | |
| Navicula grevillei (Agardh) Heiberg, 1863 | | |
| Navicula grevillei var. pararhombica Proshkina-Lavrenko | | |
| Navicula grevillei var. remotiva Proshkina-Lavrenko | | |
| Navicula halophila var. convergens Proshkina-Lavrenko | | |
| Navicula hamulifera Grunow, 1880 | | |
| Navicula hustedtii Krasske, 1923 | | |
| Navicula lanceolata (C.A. Agardh) Ehrenberg, 1838 | | |
| Navicula laterostrata Hustedt, 1925 | | |
| Navicula lyroides Hendey, 1958 | ''Navicula lyra var. elliptica'' and ''Navicula lyra var. intermedia''; | |
| Navicula menisculus Schumann, 1867 | | |
| Navicula palpebralis de Brébisson, 1853 | also ''Navicula palpebralis var. semiplena''; | |
| Navicula pennata var. pontica Mer. | | |
| Navicula peregrina (Ehrenberg) Kützing, 1844 | | |
| Navicula pi Cleve | | |
| Navicula radiosa Kützing, 1844 | | |
| Navicula ramosissima | | |
| Navicula salinarum Grunow in Cleve & Grunow, 1880 | | |
| Navicula salinarum f. capitata Schulz, 1926 | | |
| Navicula tripunctata (O.F. Müller) Bory, 1822 | ''Navicula gracilis''; | |
| Navicula viridula (Kützing) Ehrenberg, 1838 | | |
| Neoceratium extensum (Gourret) F.Gomez, D.Moreira & P.Lopez-Garcia, 2009 | ''Ceratium extensum''; | |
| 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 acicularis (Kützing) W. Smith, 1853 | | |
| Nitzschia amphibia Grunow, 1862 | | |
| Nitzschia bilobata W. Smith | | |
| Nitzschia closterium (Ehrenberg) W. Smith, 1853 | | |
| Nitzschia communis Rabenhorst, 1860 | | |
| Nitzschia constricta (Gregory) Grunow in Cleve & Grunow, 1880 | | |
| Nitzschia constricta var. subconstricta Grunow | | |
| Nitzschia dissipata (Kützing) Grunow, 1862 | | |
| Nitzschia distans W. Gregory, 1857 | | |
| Nitzschia granulata Grunow, 1880 | | |
| Nitzschia holsatica Hust | | |
| Nitzschia hungarica var. pantocsekii Wisl.& Poretzky | | |
| Nitzschia hybrida Grunow in Cleve & Grunow, 1880 | | |
| Nitzschia hybrida var. hyalina Prosckina-Lavrenko | | |
| Nitzschia incerta (Grunow) M.Peragallo 1903 | ''Nitzschia reversa''; | |
| Nitzschia kuetzingiana var. hyalina Bodeanu 1976 | | |
| Nitzschia lanceolata W. Smith | | |
| Nitzschia lanceolata var. minima Van Heurck | | |
| Nitzschia lanceolata var. minor Van Heurck | | |
| Nitzschia linearis (C.A. Agardh) W. Smith, 1853 | | |
| Nitzschia linearis var. subtilis (Grunow) Hustedt, 1923 | ''Nitzschia subtilis''; | |
| Nitzschia longissima (Brébisson in Kützing) Ralfs in Pritchard, 1861 | | |
| Nitzschia lorenziana Grunow in Cleve & Grunow, 1880 | also ''Nitzschia lorenziana var. subtilis''; | |
| Nitzschia obtusa W. Smith, 1853 | | |
| Nitzschia palea (Kützing) W. Smith, 1856 | | |
| Nitzschia palea f. astriata Bodeanu 1976 | | |
| Nitzschia palea var. capitata Wisl. & Poretzky | | |
| Nitzschia panduriformis var. delicatula Grunow | | |
| Nitzschia panduriformis var. minor W.Gregory | | |
| Nitzschia punctata var. coarctata (Grunow) Hustedt 1921 | | |
| Nitzschia punctata var. elongata Grunow | | |
| Nitzschia pusilla (Kützing) Grunow, 1862 emend. Lange-Bertalot, 1976 | ''Nitzschia kuetzingiana''; | |
| Nitzschia rupestris Prosckina-Lavrenko | | |
| Nitzschia sigma (Kützing) W. Smith, 1853 | | |
| Nitzschia sigmoidea (Ehrenberg) W. Smith | | |
| Nitzschia spathulata W. Smith, 1853 | | |
| Nitzschia sublinearis Hustedt, 1930 | | |
| Nitzschia tenuirostris Mer. | | |
| Nitzschia vermicularis (Kützing) Hantzsch in Rabenhorst, 1860 (1859) | | |
| Nitzschia vidovichii Grunow | | |
| Nitzschia vitrea G. Norman, 1861 | | |
| Oblea rotunda (Lebour, 1922) Balech, 1964 ex Sournia, 1973 | ''Glenodinium rotundum''; | |
| Oolithotus fragilis (Lohmann) Martini & C.Müller, 1972 | ''Coccolithus fragilis''; | |
| Opephora marina (Gregory) Petit, 1888 | | |
| Oscillatoria bonnemaisonii Crouan in Desmazières ex Gomont, 1892 | | |
| Palusphaera vandeli Lecal, 1967 | ''Rhabdosphaera longistylis''; | |
| Paralia sulcata (Ehrenberg) P.T. Cleve, 1873 | ''Melosira sulcata''; | |
| Parlibellus plicatus (Donkin) E.J. Cox, 1988 | ''Navicula plicata''; | |
| Pediastrum boryanum (Turpin) Meneghini, 1840 | | |
| Pediastrum duplex Meyen, 1829 | | |
| Peridiniella danica (Paulsen, 1907) Okolodkov et Dogde, 1995 | ''Glenodinium danicum''; | |
| Peridinium cinctum (O.F.Müller) Ehrenberg | | |
| Peridinium longispinum Kofoid | | |
| Petrodictyon gemma (Ehrenberg) D.G. Mann in Round et al., 1990 | ''Surirella gemma''; | |
| Petroneis humerosa (Brébisson ex W. Smith) A.J. Stickle & D.G. Mann, 1990 | ''Navicula humerosa''; | |
| Phalacroma rotundata (Claparéde & Lachmann) Kofoid & Michener, 1911 | | |
| Phormidium corallinae (Gomont ex Gomont) Anagnostidis & Komárek, 1988 | ''Oscillatoria corallinae''; | |
| Pinnularia major var. paludosa F.Meister | | |
| Pinnularia microstauron (Ehrenberg) P.T. Cleve, 1891 | | |
| Pinnularia microstauron var. ambigua Meister | | |
| Placoneis elginensis (Gregory) E.J. Cox, 1988 | ''Navicula anglica'' and ''Navicula dicephala''; | |
| Placoneis placentula (Ehrenberg) Mereschkowsky, 1903 | ''Navicula placentula'' and ''Navicula placentula f. rostrata''; | |
| Plagiotropis lepidoptera (Gregory) Kuntze, 1898 | ''Tropidoneis lepidoptera''; | |
| Planothidium lanceolatum (Brébisson) Round & Bukhtiyarova, 1996 | ''Achnanthes lanceolata''; | |
| Pleurosigma angulatum (Quekett, 1848) Wm. Smith, 1853 | | |
| Pleurosigma angulatum var. strigosa W. Smith | | |
| Pleurosigma cuspidatum (Cleve) H. Peragallo, 1891 | | |
| Pleurosigma cuspidatum var. rostratum Prosckina-Lavrenko | | |
| Pleurosigma elongatum W. Smith, 1852 | | |
| Pleurosigma formosum Wm. Smith | | |
| Pleurosigma rigidum Smith, 1853 | | |
| Pleurosira laevis (Ehrenberg) Compère, 1982 | ''Biddulphia laevis''; | |
| Podosira hormoides (Montagne) Kützing | | |
| Podosira hormoides var. parvula Prosckina-Lavrenko | | |
| Podosira pellucida Prosckina-Lavrenko | | |
| Polykrikos schwartzii Bütschli 1873 | | |
| Pontosphaera hartmanni Schiller | | |
| Proboscia alata (Brightwell) Sundström, 1986 | ''Rhizosolenia alata''; | |
| 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 marinum''; | |
| Prorocentrum micans Ehrenberg, 1834 | | |
| Prorocentrum obtusum Ostenfeld, 1908 | | |
| Protoceratium reticulatum (Claparède et Lachmann, 1859) Bütschli, 1885 | | |
| Protoperidinium bipes (Paulsen, 1904) Balech, 1974 | ''Peridinium minusculum''; | |
| Protoperidinium brevipes (Paulsen, 1908) Balech, 1974 | ''Peridinium brevipes''; | |
| 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 globulus (Stein, 1883) Balech, 1974 | ''Peridinium globulus''; | |
| Protoperidinium granii (Ostenfield, 1906) Balech, 1974 | ''Peridinium granii''; | |
| Protoperidinium pallidum (Ostenfeld, 1899) Balech, 1973 | ''Peridinium pallidum''; | |
| Protoperidinium solidicorne (Mangin, 1922) Balech, 1974 | ''Peridinium solidicorne''; | |
| Protoperidinium steinii (Jörgensen, 1899) Balech, 1974 | ''Peridinium steinii''; | |
| Psammodictyon panduriforme (Greg.) Mann | ''Nitzschia panduriformis''; | |
| Pseudo-nitzschia delicatissima (P.T. Cleve, 1897) Heiden, 1928 | ''Nitzschia delicatissima''; | |
| Pseudo-nitzschia seriata (P.T. Cleve, 1883) H. & M. Peragallo, 1900 | ''Nitzschia seriata''; | |
| Pseudosolenia calcar-avis (Schultze) Sundström, 1986 | ''Rhizosolenia calcar-avis''; | |
| Pseudostaurosira brevistriata (Grunow in Van Heurck, 1885) Williams & Round, 1988 (1987) | ''Fragilaria brevistriata''; | |
| Pterosperma cristatum Schiller, 1925 | | |
| Pyrophacus horologicum Stein, 1883 | | |
| Reimeria sinuata (Gregory) Kociolek & Stoermer, 1987 | ''Cymbella sinuata''; | |
| Rhabdonema adriaticum Kützing, 1844 | | |
| Rhabdosphaera claviger Murray & Blackman, 1898 | ''Rhabdosphaera stylifer''; | |
| Rhabdosphaera tubulosa Schiller | | |
| Rhoicosphenia abbreviata (C.A. Agardh) Lange-Bertalot, 1980 | ''Rhoicosphenia curvata''; | |
| Rhoicosphenia marina (W. Smith) M. Schmidt in A. Schmidt, 1899 | | |
| Rhopalodia acuminata var. protracta (Grunow) Krammer in Lange-Bertalot & Krammer, 1987 | ''Rhopalodia gibberula var. protracta''; | |
| Rhopalodia gibba (Ehrenberg) G.F.O. Müller, 1895 | | |
| Rhopalodia gibba var. parallela (Grunow) H. & M. Peragallo, 1897-1908 | ''Rhopalodia parallela''; | |
| Rhopalodia musculus (Kützing) O.F. Müller, 1900 | | |
| Richelia intracellularis J. Schmidt, 1901 | | |
| Scenedesmus acuminatus (Lagerheim) Chodat, 1902 | | |
| Scenedesmus obliquus (Turpin) Kützing, 1833 | | |
| Scenedesmus quadricauda (Turpin) Brébisson in Brébisson & Godey, 1835 | | |
| Scrippsiella trochoidea (Stein, 1883) Balech ex Loeblich III, 1965 | | |
| Sellaphora pupula (Kützing) Mereschkowsky, 1902 | ''Navicula pupula''; | |
| Skeletonema costatum (Greville) P.T. Cleve, 1878 | | |
| Spirulina adriatica Hauck 1890 | | |
| Spirulina miniata Hauck 1878 | | |
| Staurastrum tetracerum Ralfs ex Ralfs 1848 | | |
| Stauroneis anceps Ehrenberg, 1843 | | |
| Staurosira construens Ehrenberg, 1843 | ''Fragilaria construens''; | |
| Staurosirella pinnata (Ehrenberg) Williams & Round, 1988 (1987) | ''Fragilaria pinnata''; | |
| Stephanodiscus astraea | | |
| Stephanodiscus dubius var. romanicus Bodeanu 1976 | | |
| Stephanodiscus hantzschii Grunow in P.T. Cleve & Grunow, 1880 | | |
| Striatella delicatula (Kützing) Grunow ex Van Heurck, 1881 | | |
| Striatella interrupta (Ehrenb.) Grunow., 1862 | | |
| Striatella unipunctata (Lyngb.) Ag. | | |
| Surirella angustata var. constricta f. ovata Skvortzov | | |
| Surirella fastuosa (Ehrenberg) Kützing, 1844 | | |
| Surirella hybrida var. balteum Brun. | | |
| Surirella minuta Brébisson in Kützing, 1849 | ''Surirella ovata'' and ''Surirella ovata var. salina''; | |
| Surirella ovalis Brébisson, 1838 | | |
| Surirella striatula Turpin, 1828 | | |
| Synedra acus var. angustissima (Grunow in Van Heurck) Van Heurck, 1885 | | |
| Synedra baculus Gregory 1857 | | |
| Synedra biceps Kützing, 1844 | ''Synedra ulna var. biceps''; | |
| Synedra curvata Pr. Lavrenko | | |
| Synedra gaillonii (Bory de Saint-Vincent) Ehrenberg, 1834 | | |
| Synedra parva Kützing | ''Synedra tabulata var. parva''; | |
| Synedra ulna var. contracta Østrup 1901 | | |
| Tabularia fasciculata (C. Agardh) D.M. Williams & Round, 1986 | ''Synedra tabulata''; | |
| Tetrastrum multisetum (Schmidle) Chodat | | |
| Thalassionema nitzschioides (Grunow, 1862) Van Heurck, 1896 | | |
| Thalassiosira antiqua var. septata Proschkina-Lavrenko 1955 | | |
| Thalassiosira baltica (Grunow in P.T. Cleve & Grunow) Ostenfeld, 1901 | ''Thalassiosira subsalina''; | |
| Thalassiosira coronifera Pr. Lavrenko | | |
| Thalassiosira eccentrica (Ehrenberg) P.T. Cleve, 1903-1904 | | |
| Thalassiosira excentrica var. fasciculata Hustedt | | |
| Thalassiosira leptopus (Grunow In Van Heurck) Fryxell et Hasle, 1977 | ''Coscinodiscus lineatus''; | |
| Thalassiosira nordenskioeldii P.T. Cleve, 1873 | | |
| Thalassiosira parva Proshk.-Lavr., 1955 | | |
| Thalassiothrix mediterranea Pavillard | | |
| Trachyneis aspera (Ehrenberg) Cleve | | |
| Trachyneis clepsydra (Donkin) Cleve, 1894 | | |
| Triceratium antediluvianum (Ehrenberg) Grunow in Hustedt, 1927 | | |
| Tryblionella acuminata W. Smith, 1853 | ''Nitzschia acuminata''; | |
| Tryblionella apiculata Gregory, 1857 | ''Nitzschia apiculata''; | |
| Tryblionella circumsuta (J.W. Bailey) Ralfs in Pritchard, 1861 | ''Nitzschia circumsuta''; | |
| Tryblionella compressa (J.W. Bailey) M. Poulin in Poulin et al., 1990 | ''Nitzschia punctata''; | |
| Tryblionella debilis Arnott in O'Meara 1873 | ''Nitzschia tryblionella var. debilis''; | |
| Tryblionella gracilis W. Smith, 1853 | ''Nitzschia tryblionella''; | |
| Tryblionella hungarica (Grunow) Frenguelli, 1942 | ''Nitzschia hungarica''; | |
| Tryblionella levidensis W. Smith, 1856 | ''Nitzschia tryblionella var. levidensis''; | |
| Tryblionella victoriae Grunow, 1862 | ''Nitzschia tryblionella var. victoriae''; | |
| Ulnaria acus (Kütz.) Aboal, 2003 | ''Synedra acus''; | |
| Ulnaria ulna (Nitzsch) P. Compère in Jahn et al., 2001 | ''Synedra ulna''; | |