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)
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)
Azpeitia M. Peragallo in J. Tempère & H. Peragallo, 1912 (additional source)
Azpeitia M. Peragallo in J. Tempère & H. Peragallo, 1912 (basis of record)
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)
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)
Brebissonia A. Grunow, 1860 (additional source)
Campylodiscus C.G. Ehrenberg ex F.T. Kützing, 1844 (additional source)
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)
Chaetoceros C.G. Ehrenberg, 1844 (basis of record)
Chaetocerotaceae Ralfs, 1861 (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)
Coscinodiscaceae Kützing, 1844 (basis of record)
Coscinodiscales (basis of record)
Coscinodiscophycidae (basis of record)
Coscinodiscus C.G. Ehrenberg, 1839 (additional source)
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)
Cymbella C.A. Agardh, 1830 (additional source)
Cymbellaceae Greville, 1833 (basis of record)
Cymbellales (additional source)
Dactyliosolen A.F. Castracane, 1886 (additional source)
Detonula F. Schütt ex G.B. De Toni, 1894 (basis of record)
Diatoma J.B.M. Bory de Saint-Vincent, 1824 (basis of record)
Diploneidaceae D. G. Mann, 1990 (basis of record)
Diploneis (C. G. Ehrenberg) P.T. Cleve, 1894 (basis of record)
Ditylum J.W. Bailey ex L.W. Bailey, 1861 (additional source)
Encyonema Kütz., 1833 (additional source)
Entomoneidaceae Reimer, 1975 (basis of record)
Entomoneis Ehrenberg, 1845 (additional source)
Epithemia F.T. Kützing, 1844 (additional source)
Ethmodiscaceae Round (additional source)
Ethmodiscales (additional source)
Ethmodiscus A.F. Castracane, 1886 (additional source)
Eucampia C.G. Ehrenberg, 1839 (additional source)
Eunotia C.G. Ehrenberg, 1837 (basis of record)
Eunotiaceae Kützing, 1844 (basis of record)
Eunotiales (basis of record)
Eupodiscales accepted as Triceratiales (basis of record)
Eupodiscus J.W. Bailey, 1851 (additional source)
Fragilaria H.C. Lyngbye, 1819 (additional source)
Fragilariaceae Greville, 1833 (basis of record)
Fragilariales (basis of record)
Fragilariforma D.M. Williams & F.E. Round, 1988 (additional source)
Fragilariophycidae (basis of record)
Fragilariopsis F. Hustedt in A. Schmidt et al., 1913 (additional source)
Frustulia L. Rabenhorst, 1853 (additional source)
Gomphonema C.G. Ehrenberg, 1832 (additional source)
Gomphonemataceae Kützing, 1844 (basis of record)
Grammatophora C.G. Ehrenberg, 1840 (additional source)
Guinardia H. Peragallo, 1892 (additional source)
Gyrosigma A.H. Hassall, 1845 (additional source)
Hantzschia A. Grunow, 1877 (additional source)