Acanthocerataceae Round, Crawford & Mann, 1990 (basis of record)
Achnanthaceae Kützing, 1844 (basis of record)
Achnanthales (basis of record)
Achnanthes Bory, 1822 (basis of record)
Achnanthidiaceae D.G. Mann, 1990 (basis of record)
Achnanthidium F.T. Kützing, 1844 (basis of record)
Actinocyclus C.G. Ehrenberg, 1837 (additional source)
Actinoptychus C.G. Ehrenberg, 1843 (additional source)
Amphipleura F.T. Kützing, 1844 (additional source)
Amphipleuraceae Grunow, 1862 (basis of record)
Amphiprora C.G. Ehrenberg, 1843 (basis of record)
Amphora C.G. Ehrenberg ex F.T. Kützing, 1844 (basis of record)
Anaulaceae (Schütt) Lemmermann, 1899 (additional source)
Anaulales (additional source)
Anaulus C.G. Ehrenberg, 1844 (additional source)
Aneumastus D.G. Mann & A.J. Stickle in F.E. Round, R.M. Crawford & D.G. Mann, 1990 (basis of record)
Anomoeoneidaceae D.G. Mann, 1990 (basis of record)
Anomoeoneis E. Pfitzer, 1871 (additional source)
Anorthoneis A. Grunow, 1868 (additional source)
Ardissonea G. De Notaris in G. De Notaris & F. Baglietto, 1870 (additional source)
Ardissoneaceae Round (basis of record)
Ardissoneales (basis of record)
Asterionella A.H. Hassall, 1850 (additional source)
Asterionellopsis F.E. Round in F.E. Round, R.M. Crawford & D.G. Mann, 1990 (basis of record)
Asterolampraceae Smith, 1872 (additional source)
Asterolamprales (additional source)
Asteromphalus C.G. Ehrenberg, 1844 (additional source)
Attheya T. West, 1860 (basis of record)
Attheyaceae Round & R. M. Crawford (additional source)
Aulacodiscaceae (Schütt) Lemmermann, 1903 (basis of record)
Aulacodiscus C.G. Ehrenberg, 1844 (additional source)
Aulacoseira G.H.K. Thwaites, 1848 (additional source)
Aulacoseiraceae Crawford (additional source)
Aulacoseirales (basis of record)
Auliscus C.G. Ehrenberg, 1843 (additional source)
Auricula A.F. Castracane, 1873 (additional source)
Auriculaceae Hendey (additional source)
Azpeitia M. Peragallo in J. Tempère & H. Peragallo, 1912 (basis of record)
Azpeitia M. Peragallo in J. Tempère & H. Peragallo, 1912 (additional source)
Bacillaria J.F. Gmelin, 1788 (basis of record)
Bacillariaceae Ehrenberg, 1831 (basis of record)
Bacillariales (basis of record)
Bacillariophyceae (additional source)
Bacillariophyta (additional source)
Bacteriastrum G. Shadbolt, 1854 (basis of record)
Bellerochea H. Van Heurck, 1885 (additional source)
Bellerocheaceae Crawford, 1990 (basis of record)
Berkeleyaceae Mann (basis of record)
Biddulphia S.F. Gray, 1821 (additional source)
Biddulphiaceae Kützing, 1844 (basis of record)
Biddulphiales (basis of record)
Biddulphiophycidae accepted as Biddulphianae (basis of record)
Bleakeleya F.E. Round in F.E. Round, R.M. Crawford & D.G. Mann, 1990 (basis of record)
Brachysira F.T. Kützing, 1836 (additional source)
Brachysiraceae Mann, 1990 (original description)
Brebissonia A. Grunow, 1860 (additional source)
Brockmanniella G.R. Hasle, H.A. von Stosch & E.E. Syvertsen, 1983 (additional source)
Campylodiscus C.G. Ehrenberg ex F.T. Kützing, 1844 (additional source)
Campylosira A. Grunow ex H. Van Heurck, 1885 (additional source)
Catacombas D.M. Williams & F.E. Round, 1986 (additional source)
Catenula C. Mereschkowsky, 1903 (basis of record)
Catenulaceae Mereschkowsky, 1902 (basis of record)
Cavinula D.G. Mann & A.J. Stickle in F.E. Round, R.M. Crawford & D.G. Mann, 1990 (additional source)
Cavinulaceae D.G. Mann (additional source)
Cerataulina H. Peragallo ex F. Schütt in Engler & Prantl, 1896 (additional source)
Cerataulus Ehrenberg, 1844 (additional source)
Chaetoceros C.G. Ehrenberg, 1844 (basis of record)
Chaetocerotaceae Ralfs, 1861 (basis of record)
Chaetocerotales accepted as Chaetocerotanae (basis of record)
Chaetocerotophycidae accepted as Chaetocerotanae (basis of record)
Cocconeidaceae Kützing, 1844 (basis of record)
Cocconeis C.G. Ehrenberg, 1837 (basis of record)
Corethraceae Lebour, 1930 (basis of record)
Corethrales (basis of record)
Corethron A.F. Castracane, 1886 (basis of record)
Corethrophycidae accepted as Corethranae (basis of record)
Coscinodiscaceae Kützing, 1844 (basis of record)
Coscinodiscales (basis of record)
Coscinodiscophyceae accepted as Coscinodiscophycidae (additional source)
Coscinodiscophycidae (basis of record)
Coscinodiscus C.G. Ehrenberg, 1839 (additional source)
Cosmioneidaceae D. G. Mann (additional source)
Cosmioneis D.G. Mann & A.J. Stickle in F.E. Round, R.M. Crawford & D.G. Mann, 1990 (additional source)
Ctenophora (Grunow) D.M.Williams & Round, 1986 (basis of record)
Cyclostephanos F.E. Round ex Theriot, Hakansson, Kociolek, Round & Stoermer, 1987 (additional source)
Cyclostephanos dubius (Hustedt) Round, 1988 accepted as Cyclotella dubia var. dubia Fricke in Schmidt et al., 1900 (basis of record)
Cyclotella (F.T. Kützing) A. de Brébisson, 1838 (additional source)
Cylindrotheca L. Rabenhorst, 1859 (basis of record)
Cymatopleura W. Smith, 1851 (basis of record)
Cymatosira A. Grunow, 1862 (additional source)
Cymatosiraceae Hasle, von Stosch & Syvertsen, 1983 (basis of record)
Cymatosirales (basis of record)
Cymatosirophycidae accepted as Cymatosirophycanae (basis of record)
Cymbella C.A. Agardh, 1830 (additional source)
Cymbellaceae Greville, 1833 (basis of record)
Cymbellales (additional source)
Dactyliosolen A.F. Castracane, 1886 (additional source)
Delphineis G.W. Andrews, 1977 (basis of record)
Denticula F.T. Kützing, 1844 (basis of record)
Detonula F. Schütt ex G.B. De Toni, 1894 (basis of record)