Achnanthales (basis of record)
Actinocyclus C.G. Ehrenberg, 1837 (additional source)
Actinoptychus C.G. Ehrenberg, 1843 (additional source)
Anaulaceae (Schütt) Lemmermann, 1899 (additional source)
Anaulales (additional source)
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)
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 (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)
Biddulphia S.F. Gray, 1821 (additional source)
Biddulphiaceae Kützing, 1844 (basis of record)
Biddulphiales (basis of record)
Biddulphiophycidae accepted as Biddulphianae (basis of record)
Brockmanniella G.R. Hasle, H.A. von Stosch & E.E. Syvertsen, 1983 (additional source)
Campylosira A. Grunow ex H. Van Heurck, 1885 (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)
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)
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)
Dactyliosolen A.F. Castracane, 1886 (additional source)
Delphineis G.W. Andrews, 1977 (basis of record)
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)
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)
Eunotogramma J.F. Weisse, 1854 (additional source)
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)
Fragilariophycidae (basis of record)
Guinardia H. Peragallo, 1892 (additional source)
Gyrosigma A.H. Hassall, 1845 (additional source)
Heliopeltaceae H. L. Smith, 1872 (basis of record)
Hemiaulaceae Heiberg, 1863 (basis of record)
Hemiaulales (basis of record)
Hemidiscaceae Hendey, 1937 emend Simonsen, 1975 (basis of record)
Hyalodiscaceae Crawford, 1990 (basis of record)
Lauderia P.T. Cleve, 1873 (basis of record)
Lauderiaceae (Schütt) Lemmermann, 1899, sensu emend. (basis of record)
Leptocylindraceae Lebour, 1930 (basis of record)
Leptocylindrales (basis of record)
Leptocylindrus P.T. Cleve in C.G.J. Petersen, 1889 (additional source)
Lithodesmiaceae Round, 1990 (basis of record)
Lithodesmiales (basis of record)
Lithodesmium C.G. Ehrenberg, 1839 (additional source)
Melosira C.A. Agardh, 1824 (basis of record)
Melosiraceae Kützing, 1844, sensu emend. (basis of record)
Melosirales (basis of record)
Navicula J.B.M. Bory de Saint-Vincent, 1822 (additional source)
Naviculaceae Kützing, 1844 (basis of record)
Naviculales (basis of record)
Nitzschia A.H. Hassall, 1845 (basis of record)
Odontella C.A. Agardh, 1832 (basis of record)
Orthoseira G.H.K. Thwaites, 1848 (basis of record)
Orthoseiraceae Crawford (basis of record)
Orthoseirales (basis of record)
Paralia P.A.C. Heiberg, 1863 (additional source)
Paraliaceae Crawford, 1988 (basis of record)
Paraliales (basis of record)