Achnanthes Bory, 1822 (additional source)
Achnanthes brevipes C.Agardh, 1824 (additional source)
Achnanthes exigua Grunow, 1880 (additional source)
Achnanthes hungarica (Grunow) Grunow, 1880 accepted as Lemnicola hungarica (Grunow) F.E.Round & P.W.Basson, 1997 accepted as Achnanthidium hungaricum Grunow, 1863 (additional source)
Achnanthes lanceolata (Brébisson ex Kützing) Grunow, 1880 accepted as Planothidium lanceolatum (Brébisson ex Kützing) Bukhtiyarova, 1999 (additional source)
Achnanthes longipes C.Agardh, 1824 (additional source)
Achnanthes microcephala (Kützing) Grunow, 1880 accepted as Achnanthidium microcephalum Kützing, 1844 (source of synonymy)
Achnanthes minutissima Kützing, 1833 (basis of record)
Achnanthidium F.T. Kützing, 1844 (additional source)
Achnanthidium lanceolatum Brébisson ex Kützing, 1846 accepted as Planothidium lanceolatum (Brébisson ex Kützing) Bukhtiyarova, 1999 (basis of record)
Achnanthidium microcephalum Kützing, 1844 (basis of record)
Achnanthidium minutissimum (Kützing) Czarnecki, 1994 accepted as Achnanthes minutissima var. minutissima Kützing, 1833 (basis of record)
Actinocyclus C.G. Ehrenberg, 1837 (additional source)
Actinocyclus ehrenbergii Ralfs, 1861 (source of synonymy)
Actinocyclus octonarius Ehrenberg, 1837 accepted as Actinoptychus octonarius (Ehrenberg) Kützing, 1844 accepted as Actinocyclus octonarius var. octonarius Ehrenberg, 1837 (additional source)
Actinocyclus octonarius var. octonarius Ehrenberg, 1837 (basis of record)
Actinocyclus senarius Ehrenberg, 1838 (basis of record)
Actinocyclus senarius Ehrenberg, 1838 (source of synonymy)
Actinoptychus senarius (Ehrenberg) Ehrenberg, 1843 accepted as Actinocyclus senarius Ehrenberg, 1838 (additional source)
Actinoptychus splendens (Shadbolt) Ralfs ex Pritchard, 1861 (additional source)
Actinoptychus undulatus (J.W.Bailey) Ralfs, 1861 accepted as Actinoptychus senarius (Ehrenberg) Ehrenberg, 1843 accepted as Actinocyclus senarius Ehrenberg, 1838 (basis of record)
Actinoptychus undulatus (J.W.Bailey) Ralfs, 1861 accepted as Actinoptychus senarius (Ehrenberg) Ehrenberg, 1843 accepted as Actinocyclus senarius Ehrenberg, 1838 (source of synonymy)
Amphipleura F.T. Kützing, 1844 (additional source)
Amphipleura pellucida (Kützing) Kützing, 1844 (basis of record)
Amphiprora C.G. Ehrenberg, 1843 (additional source)
Amphiprora alata (Ehrenberg) Kützing, 1844 accepted as Entomoneis alata (Ehrenberg) Ehrenberg, 1845 (additional source)
Amphiprora ornata Bailey, 1851 accepted as Entomoneis ornata (Bailey) Reimer, 1975 (additional source)
Amphiprora paludosa W.Smith, 1853 accepted as Entomoneis paludosa (W.Smith) Reimer, 1975 (additional source)
Amphiprora paludosa var. paludosa W. Smith, 1853 accepted as Entomoneis paludosa (W.Smith) Reimer, 1975 (basis of record)
Amphora C.G. Ehrenberg ex F.T. Kützing, 1844 (additional source)
Amphora ovalis (Kützing) Kützing, 1844 (additional source)
Amphora robusta Gregory, 1857 (additional source)
Anabaena Bory de Saint-Vincent ex Bornet & Flahault, 1886 (ecology source)
Aphanocapsa C.Nägeli, 1849 (additional source)
Aphanocapsa elachista West & G.S.West, 1894 (additional source)
Aphanocapsa reinboldii (Richter) Komárek & Anagnostidis, 1995 (basis of record)
Aphanothece Nägeli, 1849 (basis of record)
Aphanothece castagnei (Kützing) Rabenhorst, 1865 (basis of record)
Aphanothece stagnina (Sprengel) A.Braun, 1863 (basis of record)
Ardissonea G. De Notaris in G. De Notaris & F. Baglietto, 1870 (basis of record)
Ardissonea crystallina (C.Agardh) Grunow, 1880 accepted as Synedra crystallina (C.Agardh) Kützing, 1844 (basis of record)
Arthrospira Sitzenberger ex Gomont, 1892 (additional source)
Asterionella A.H. Hassall, 1850 (additional source)
Asterionella bleakeleyi W.Smith, 1856 (source of synonymy)
Asterionella bleakeleyi var. notata Grunow, 1867 (basis of record)
Asterionella bleakeleyi var. notata Grunow, 1867 (source of synonymy)
Asterionella formosa Hassall, 1850 (additional source)
Asterionella frauenfeldii Grunow, 1863 represented as Thalassionema frauenfeldii (Grunow) Tempère & Peragallo, 1910 (basis of record)
Asterionella frauenfeldii Grunow, 1863 represented as Thalassionema frauenfeldii (Grunow) Tempère & Peragallo, 1910 (source of synonymy)
Asterionella glacialis Castracane, 1886 (source of synonymy)
Asterionella japonica Cleve, 1882 (source of synonymy)
Asterionella kariana Grunow, 1880 (source of synonymy)
Asterionella notata Grunow ex Van Heurck, 1881 accepted as Asterionella bleakeleyi var. notata Grunow, 1867 (source of synonymy)
Asterionellopsis F.E. Round in F.E. Round, R.M. Crawford & D.G. Mann, 1990 (additional source)
Asterionellopsis glacialis (Castracane) Round, 1990 accepted as Asterionella glacialis Castracane, 1886 (additional source)
Attheya decora T.West, 1860 (additional source)
Aulacoseira granulata (Ehrenberg) Simonsen, 1979 (additional source)
Auliscus C.G. Ehrenberg, 1843 (additional source)
Auliscus sculptus (W.Smith) Brightwell, 1860 accepted as Eupodiscus sculptus W.Smith, 1853 (additional source)
Azpeitia M. Peragallo in J. Tempère & H. Peragallo, 1912 (additional source)
Azpeitia nodulifera (A.W.F.Schmidt) G.A.Fryxell & P.A.Sims, 1986 (additional source)
Bacillaria J.F. Gmelin, 1788 (additional source)
Bacillaria paradoxa J.F.Gmelin, 1791 accepted as Bacillaria paxillifera (O.F.Müller) T.Marsson, 1901 accepted as Vibrio paxillifer O.F.Müller, 1786 (additional source)
Bacteriastrum G. Shadbolt, 1854 (additional source)
Bacteriastrum elongatum Cleve, 1897 (basis of record)
Bacteriastrum hyalinum Lauder, 1864 (basis of record)
Bacterosira H.H. Gran, 1900 (basis of record)
Bellerochea H. Van Heurck, 1885 (additional source)
Bellerochea malleus (Brightwell) Van Heurck, 1885 (additional source)
Biddulphia S.F. Gray, 1821 (additional source)
Biddulphia aurita (Lyngbye) Brébisson, 1838 accepted as Odontella aurita (Lyngbye) C.Agardh, 1832 (source of synonymy)
Biddulphia laevis Ehrenberg, 1843 (basis of record)
Biddulphia laevis Ehrenberg, 1843 (source of synonymy)
Biddulphia mobiliensis (J.W.Bailey) Grunow, 1882 accepted as Trieres mobiliensis (J.W.Bailey) Ashworth & E.C.Theriot in Ashworth, Nakov & E.C.Theiriot, 2013 (additional source)
Biddulphia sinensis Greville, 1866 (source of synonymy)
Bleakeleya F.E. Round in F.E. Round, R.M. Crawford & D.G. Mann, 1990 (additional source)
Bleakeleya notata (Grunow) Round, 1990 accepted as Asterionella bleakeleyi var. notata Grunow, 1867 (basis of record)
Brebissonia A. Grunow, 1860 (basis of record)
Brebissonia lanceolata (C.Agardh) Mahoney & Reimer, 1986 accepted as Gomphonema lanceolatum C.Agardh, 1831 (basis of record)
Caloneis P.T. Cleve, 1894 (additional source)
Caloneis amphisbaena (Bory de Saint Vincent) Cleve, 1894 (additional source)
Caloneis brevis (Gregory) Cleve, 1894 (additional source)
Campylodiscus C.G. Ehrenberg ex F.T. Kützing, 1844 (additional source)
Campylodiscus echeneis Ehrenberg ex Kützing, 1844 accepted as Coronia echeneis (Ehrenberg ex Kützing) Ehrenberg, 1912 (basis of record)
Cavinula D.G. Mann & A.J. Stickle in F.E. Round, R.M. Crawford & D.G. Mann, 1990 (basis of record)
Cerataulina H. Peragallo ex F. Schütt in Engler & Prantl, 1896 (additional source)
Cerataulina bergonii (H.Peragallo) Schütt, 1896 accepted as Cerataulina pelagica (Cleve) Hendey, 1937 accepted as Cerataulina bergonii Ostenfeld, 1903 (additional source)
Cerataulina pelagica (Cleve) Hendey, 1937 accepted as Cerataulina bergonii Ostenfeld, 1903 (additional source)
Ceratoneis closterium Ehrenberg, 1839 (basis of record)
Ceratoneis closterium Ehrenberg, 1839 (source of synonymy)
Ceratoneis fasciola Ehrenberg, 1839 (basis of record)
Ceratoneis fasciola Ehrenberg, 1839 (source of synonymy)
Chaetoceros C.G. Ehrenberg, 1844 (additional source)
Chaetoceros affinis Lauder, 1864 (additional source)
Chaetoceros atlanticus Cleve, 1873 (additional source)
Chaetoceros brevis F.Schütt, 1895 (additional source)
Chaetoceros cinctus Gran, 1897 (additional source)
Chaetoceros compressus Lauder, 1864 (additional source)
Chaetoceros constrictus Gran, 1897 (additional source)
Chaetoceros costatus Pavillard, 1911 (additional source)