Ameronothrus Berlese, 1896 (basis of record)
Ameronothrus Berlese, 1896 (extant flag source)
Amphithrix Bornet & Flahault, 1886 accepted as Homoeothrix (G. Thuret ex E. Bornet & C. Flahault) O. Kirchner in A. Engler & Prantl, 1898 (extant flag source)
Amphithrix Bornet & Flahault, 1886 accepted as Homoeothrix (G. Thuret ex E. Bornet & C. Flahault) O. Kirchner in A. Engler & Prantl, 1898 (basis of record)
Arctocorisa Wallengren, 1894 (current name source)
Arctocorisa Wallengren, 1894 (basis of record)
Arctocorisa Wallengren, 1894 (extant flag source)
Arenomya Winckworth, 1930 accepted as Mya Linnaeus, 1758 (basis of record)
Astartiella A. Witkowski, H. Lange-Bertalot & D. Metzeltin, 1998 (extant flag source)
Astartiella A. Witkowski, H. Lange-Bertalot & D. Metzeltin, 1998 (basis of record)
Caloneis P. Cleve, 1894 (extant flag source)
Caloneis P. Cleve, 1894 (basis of record)
Coscinosira Gran, 1900 (extant flag source)
Coscinosira Gran, 1900 (basis of record)
Craspedostauros E.J. Cox, 1999 (extant flag source)
Craspedostauros E.J. Cox, 1999 (basis of record)
Crateriportula R.J. Flower & H. Håkansson, 1994 (extant flag source)
Crateriportula R.J. Flower & H. Håkansson, 1994 (basis of record)
Cylindrospira A.G. Mitlehner, 1996 † accepted as Gyrocylindrus N.I. Strelnikova & V.A. Nikolaev, 1995 † (basis of record)
Desmonema M.J. Berkeley & Thwaites ex Bornet & Flahault, 1887 accepted as Coleodesmium A. Borzì ex L. Geitler in A. Engler & K. Prantl, 1942 (extant flag source)
Desmonema M.J. Berkeley & Thwaites ex Bornet & Flahault, 1887 accepted as Coleodesmium A. Borzì ex L. Geitler in A. Engler & K. Prantl, 1942 (basis of record)
Dickieia Berkeley ex Kützing, 1844 (extant flag source)
Dickieia Berkeley ex Kützing, 1844 (basis of record)
Distrionella D.M. Williams, 1990 (extant flag source)
Distrionella D.M. Williams, 1990 (basis of record)
Echinella Lyngbye, 1819 (basis of record)
Echinella Lyngbye, 1819 (extant flag source)
Fogedia A. Witkowski, H. Lange-Bertalot, D. Metzeltin & G. Bafana in A. Witkowski et al., 1997 (extant flag source)
Fogedia A. Witkowski, H. Lange-Bertalot, D. Metzeltin & G. Bafana in A. Witkowski et al., 1997 (basis of record)
Fragilariforma D.M. Williams & F.E. Round, 1988 (basis of record)
Fragilariforma D.M. Williams & F.E. Round, 1988 (extant flag source)
Helicotheca M. Ricard in A. Sournia, 1987 (extant flag source)
Helicotheca M. Ricard in A. Sournia, 1987 (basis of record)
Holopedium Lagerheim, 1893 accepted as Microcrocis P. Richter in F. Hauck & P. Richter, 1892 (basis of record)
Holopedium Lagerheim, 1893 accepted as Microcrocis P. Richter in F. Hauck & P. Richter, 1892 (extant flag source)
Hustedtiella Simonsen, 1960 (basis of record)
Hustedtiella Simonsen, 1960 (extant flag source)
Hyalosira Kützing, 1844 (basis of record)
Hyalosira Kützing, 1844 (extant flag source)
Karayevia F.E. Round & L. Bukhtiyarova ex F.E. Round, 1998 (extant flag source)
Karayevia F.E. Round & L. Bukhtiyarova ex F.E. Round, 1998 (basis of record)
Kobayasiella Lange-Bertalot, 1999 (basis of record)
Kobayasiella Lange-Bertalot, 1999 (extant flag source)
Kolbesia F.E. Round & L. Bukhtiyarova ex F.E. Round, 1998 (extant flag source)
Kolbesia F.E. Round & L. Bukhtiyarova ex F.E. Round, 1998 (basis of record)
Krasskella R. Ross & P.A. Sims, 1978 (extant flag source)
Krasskella R. Ross & P.A. Sims, 1978 (basis of record)
Lemnicola F.E. Round & P.W. Basson, 1997 (extant flag source)
Lemnicola F.E. Round & P.W. Basson, 1997 (basis of record)
Leptobasis Elenkin, 1915 accepted as Fortiea De Toni, 1936 (basis of record)
Leptobasis Elenkin, 1915 accepted as Fortiea De Toni, 1936 (extant flag source)
Meuniera P.C. Silva in C.R. Tomas, 1996 (extant flag source)
Meuniera P.C. Silva in C.R. Tomas, 1996 (basis of record)
Neofragilaria Desikachary, Prasad & Prema, 1987 (extant flag source)
Neofragilaria Desikachary, Prasad & Prema, 1987 (basis of record)
Neofragilaria Desikachary, Prasad & Prema, 1987 (status source)
Pauliella F.E. Round & P.W. Basson, 1997 (extant flag source)
Pauliella F.E. Round & P.W. Basson, 1997 (basis of record)
Pelagodictyon K.B. Clarke, 1994 (basis of record)
Pelagodictyon K.B. Clarke, 1994 (extant flag source)
Physactis Kützing, 1843 (extant flag source)
Physactis Kützing, 1843 (basis of record)
Pliocaenicus Round & Håkansson, 1992 † (basis of record)
Pliocaenicus Round & Håkansson, 1992 † (extant flag source)
Polychlamydum W. West & G.S. West, 1897 (extant flag source)
Polychlamydum W. West & G.S. West, 1897 (basis of record)
Psammosynedra F.E. Round, 1993 (extant flag source)
Psammosynedra F.E. Round, 1993 (basis of record)
Pseudopodosira A.P. Jousé, 1949 † (basis of record)
Pulvinaria Borzì, 1916 accepted as Pulvinularia Borzì, 1916 (extant flag source)
Pulvinaria Borzì, 1916 accepted as Pulvinularia Borzì, 1916 (basis of record)
Raphidiocystis Doflein, 1928 accepted as Raphidocystis Pénard, 1904 (basis of record)
Raphidiocystis Doflein, 1928 accepted as Raphidocystis Pénard, 1904 (extant flag source)
Rossithidium F.E. Round & L. Bukhtiyarova, 1996 (basis of record)
Rossithidium F.E. Round & L. Bukhtiyarova, 1996 (extant flag source)
Rostromonas Karpov & Zhukov, 1980 accepted as Apusomonas Alexeieff, 1924 (extant flag source)
Rostromonas Karpov & Zhukov, 1980 accepted as Apusomonas Alexeieff, 1924 (basis of record)
Schmidlea R. Lauterborn, 1913 accepted as Chlorobium Nadson, 1906 (Approved Lists, 1980) emend. Imhoff, 2003 (basis of record)
Stoschiella C. Gardner & K. Wenderoth in C. Gardner et al., 1996 (basis of record)
Stoschiella C. Gardner & K. Wenderoth in C. Gardner et al., 1996 (extant flag source)
Synedropsis G.R. Hasle, L.K. Medlin & E.E. Syvertsen, 1994 (extant flag source)
Synedropsis G.R. Hasle, L.K. Medlin & E.E. Syvertsen, 1994 (basis of record)
Tertiarius H. Håkansson & G. Khursevich, 1997 † (basis of record)
Thalassiocyclus H. Håkansson & A. Mahood, 1993 (basis of record)
Thalassiocyclus H. Håkansson & A. Mahood, 1993 (extant flag source)