• Adoneis miocenica J.P.Kociolek, E.Fourtanier, J.Rubenstein & A.Encinas, 2007 † (uncertain > unassessed)
• Adoneis pacifica G.W.Andrews & P.Rivera, 1987 (uncertain > unassessed)
• Andrewsiella fossilis (Grunow) Jurkschat, 1998 † accepted as Dimeregramma fossile Grunow in Pantocsek, 1886
• Ardissonea baculus (Gregory) Grunow in Cleve & Grunow, 1880 accepted as Synedra baculus f. baculus Gregory, 1857
• Ardissonea brockmanni according to Mills, 1933 (uncertain > unassessed)
• Ardissonea cornigera (Grunow) De Toni, 1892 accepted as Synedra cornigera Grunow, 1877
• Ardissonea crystallina (C.Agardh) Grunow, 1880 accepted as Synedra crystallina (C.Agardh) Kützing, 1844
• Ardissonea crystallina f. crystallina (Agardh) Grunow in Cleve & Grunow, 1880 accepted as Diatoma crystallinum C.A. Agardh, 1824
• Ardissonea crystallina f. gibba (Pantocsek) Peragallo, 1886 accepted as Synedra crystallina f. gibba Pantocsek, 1886
• Ardissonea crystallina var. bacillaris (Grunow) Grunow in Cleve & Grunow, 1880 accepted as Synedra crystallina var. bacillaris Grunow, 1877
• Ardissonea crystallina var. conspicua (Grunow in Van Heurck) F.W. Mills, 1933 accepted as Synedra crystallina var. conspicua Grunow ex H. Peragallo & M. Peragallo, 1900
• Ardissonea crystallina var. dalmatica (Kützing) F.W. Mills, 1933 accepted as Synedra dalmatica Kützing, 1844
• Ardissonea crystallina var. decipiens (Grunow) F.W. Mills, 1933 accepted as Synedra decipiens Cleve & Grunow in Grunow, 1877
• Ardissonea crystallina var. fossilis (Pantocsek) De Toni, 1889 accepted as Synedra crystallina var. fossilis Pantocsek, 1889
• Ardissonea crystallina var. insignis (Grunow) Grunow in Cleve & Grunow, 1880 accepted as Synedra crystallina var. insignis Grunow, 1877
• Ardissonea crystallina var. smithii Grunow in Van Heurck, 1881 (uncertain > unassessed)
• Ardissonea cuneata Mills, 1933 (uncertain > unassessed)
• Ardissonea dalmatica (Kützing) De Toni, 1892 accepted as Synedra dalmatica Kützing, 1844
• Ardissonea decipiens (Grunow) Grunow in Cleve & Grunow, 1880 accepted as Synedra decipiens Cleve & Grunow in Grunow, 1877
• Ardissonea formosa (Hantzsch) Grunow
• Ardissonea formosa var. amphipachya (Grunow in Van Heurck) F.W. Mills, 1933 accepted as Synedra formosa var. amphipachya Grunow in Van Heurck, 1881
• Ardissonea formosa var. formosa (Hantzsch in Rabenhorst) Grunow in Cleve & Grunow, 1880 accepted as Synedra formosa var. formosa Hantzsch in Rabenhorst, 1863
• Ardissonea fulgens (Greville) Grunow, 1880 accepted as Synedra fulgens (Greville) W.Smith, 1853
• Ardissonea fulgens var. conspicua ‘Grunow in Van Heurck' Mills, 1933 (uncertain > unassessed)
• Ardissonea fulgens var. cornigera Grunow in Cleve & Grunow, 1880 (uncertain > unassessed)
• Ardissonea fulgens var. dalmatica ‘Kützing' Mills, 1933 (uncertain > unassessed)
• Ardissonea fulgens var. eximia ‘Grunow' Mills, 1933 (uncertain > unassessed)
• Ardissonea fulgens var. fulgens (Greville) Grunow in Cleve & Grunow, 1880 accepted as Exilaria fulgens Greville, 1827
• Ardissonea fulgens var. gigantea (Lobarzewsky) De Toni, 1892 accepted as Synedra gigantea Lobarzewsky, 1840
• Ardissonea fulgens var. maeotica (Pantocsek) M. Peragallo, 1903 accepted as Synedra fulgens var. maeotica Pantocsek, 1902
• Ardissonea fulgens var. mediterranea (Grunow in Van Heurck) F.W. Mills, 1933 accepted as Synedra fulgens var. mediterranea Grunow in Van Heurck, 1881
• Ardissonea fulgens var. mediterranea (Grunow) Mereschkowsky, 1903 accepted as Synedra fulgens var. mediterranea Grunow in Van Heurck, 1881
• Ardissonea fulgens var. minor (Rabenhorst) M. Peragallo, 1903 accepted as Synedra fulgens f. minor Rabenhorst, 1864
• Ardissonea pulcherrima (Hantzsch in Rabenhorst) Grunow in Cleve & Grunow, 1880 accepted as Synedra pulcherrima Hantzsch in Rabenhorst, 1863
• Ardissonea robusta (Ralfs ex Pritchard) De Notaris, 1871 accepted as Synedra robusta f. robusta Ralfs in Pritchard, 1861
• Ardissonea superba (uncertain > unassessed)
• Ardissonea superba var. minor (Grunow in Cleve & Grunow) De Toni, 1892 accepted as Synedra superba var. minor Grunow in Cleve & Grunow, 1880
• Ardissonea superba var. superba (Kützing) Grunow in Cleve & Grunow, 1880 accepted as Synedra superba var. superba Kützing, 1844
• Ardissonea vanheurckii (Brun) De Toni, 1892 accepted as Synedra vanheurcki Brun, 1891
• Asterionella africana Cholnoky, 1958 (uncertain > unassessed)
• Asterionella antiqua Héribaud & M. Peragallo in Héribaud, 1902 (uncertain > unassessed)
• Asterionella bleakeleyi W.Smith, 1856
• Asterionella bleakeleyi var. bleakeleyi W. Smith, 1856 (uncertain > unassessed)
• Asterionella bleakeleyi var. notata Grunow, 1867 (uncertain > unassessed)
• Asterionella candelabrum Manguin
• Asterionella candelabrum f. baculata Manguin in Bourrelly & Manguin, 1949 (uncertain > unassessed)
• Asterionella candelabrum f. candelabrum Manguin in Bourrelly & Manguin, 1949 (uncertain > unassessed)
• Asterionella canina Smejev, 1872 (uncertain > unassessed)
• Asterionella cleviana O'Meara, 1874 (uncertain)
• Asterionella contorta Carter & Denny, 1987 (uncertain > unassessed)
• Asterionella costata ‘Cleve' according to H. Körner, 1970 (uncertain > unassessed)
• Asterionella edlundii Stoermer & Pappas in Pappas & Stoermer, 2003 (uncertain > unassessed)
• Asterionella fibula (Brébisson) Hustedt, 1952 accepted as Gomphonema fibula Brébisson ex Kützing, 1849
• Asterionella flavor Edwards, 1897 (uncertain > unassessed)
• Asterionella formosa Hassall, 1850
• Asterionella formosa f. acaroides (Lemmermann) Skabichevskii, 1960 accepted as Asterionella formosa var. acaroides Lemmermann, 1903
• Asterionella formosa f. brevis Rauschenbach, 1912 (uncertain > unassessed)
• Asterionella formosa f. capitellata Skabichevskii, 1960 (uncertain > unassessed)
• Asterionella formosa var. acaroides Lemmermann, 1903 (uncertain > unassessed)
• Asterionella formosa var. bleakeleyi (W.Smith) Van Heurck, 1896 accepted as Asterionella bleakeleyi var. bleakeleyi W. Smith, 1856
• Asterionella formosa var. brevis Sergejeva et al., 1909 (uncertain > unassessed)
• Asterionella formosa var. epilimnetica Ruttner, 1939 (uncertain > unassessed)
• Asterionella formosa var. formosa Hassall, 1850 (uncertain > unassessed)
• Asterionella formosa var. gracillima (Hanztsch) Grunow, 1881 accepted as Diatoma gracillimum Hantzsch in Rabenhorst, 1861
• Asterionella formosa var. hypolimnetica Ruttner, 1939 (uncertain > unassessed)
• Asterionella formosa var. inflata Grunow in Van Heurck, 1881 accepted as Asterionella inflata Heib., 1863
• Asterionella formosa var. ralfsii (W.Smith) Wolle, 1890 accepted as Asterionella ralfsii W.Smith, 1856
• Asterionella formosa var. subtilis Grunow, 1881 (uncertain > unassessed)
• Asterionella formosa var. subtilissima Grunow, 1881 (uncertain > unassessed)
• Asterionella formosa var. tatrica Woloszynska, 1934 (uncertain > unassessed)
• Asterionella frauenfeldii Grunow, 1863 represented as Thalassionema frauenfeldii (Grunow) Tempère & Peragallo, 1910
• Asterionella glacialis Castracane, 1886 (uncertain > unassessed)
• Asterionella gracilioides (uncertain > unassessed)
• Asterionella gracilioides f. gracilioides Novikoff, 1910 (uncertain > unassessed)
• Asterionella gracilis Formin, 1900 (uncertain > unassessed)
• Asterionella gracillima (Hantzsch) Heiberg, 1863 (uncertain > unassessed)
• Asterionella gracillima f. brevis Rauschenbach, 1921 (uncertain > unassessed)
• Asterionella gracillima f. circinalis Cleve-Euler, 1953 (uncertain > unassessed)
• Asterionella gracillima f. curta Ussacev (uncertain > unassessed)
• Asterionella gracillima f. curvata Radzimowsky, 1930 (uncertain > unassessed)
• Asterionella gracillima f. curvata Radzymowsky, 1930 (uncertain > unassessed)
• Asterionella gracillima f. genuina Cleve-Euler, 1953 (uncertain > unassessed)
• Asterionella gracillima f. gracillima (Hantzsch in Rabenhorst) Heiberg, 1863 accepted as Diatoma gracillimum Hantzsch in Rabenhorst, 1861
• Asterionella gracillima f. sol Cleve-Euler, 1953 (uncertain > unassessed)
• Asterionella gracillima f. tabellarioides Cleve-Euler, 1910 (uncertain > unassessed)
• Asterionella gracillima f. zigzagostellata ‘(Elenkin) Wislouch' according to Proshkina-Lavrenko accepted as Asterionella zigzagostellata Elenkin, 1914
• Asterionella gracillima f. zigzagostellata Kavanov, 1928 (uncertain > unassessed)
• Asterionella gracillima var. acaroides (Lemmermann) Cleve-Euler, 1953 accepted as Asterionella formosa var. acaroides Lemmermann, 1903
• Asterionella gracillima var. acaroides (Lemmermann) Meister, 1912 accepted as Asterionella formosa var. acaroides Lemmermann, 1903
• Asterionella gracillima var. biformis Lozeron, 1902 (uncertain > unassessed)
• Asterionella gracillima var. formosa (Hassall) Wislouch, 1921 accepted as Asterionella formosa var. formosa Hassall, 1850
• Asterionella gracillima var. genuina Lozeron, 1902 (uncertain > unassessed)
• Asterionella gracillima var. gracillima Cleve-Euler, 1910 (uncertain > unassessed)
• Asterionella gracillima var. inflata (Grunow in Van Heurck) Cleve-Euler, 1953 accepted as Asterionella formosa var. inflata Grunow in Van Heurck, 1881 accepted as Asterionella inflata Heib., 1863
• Asterionella gracillima var. maxima Lozeron, 1902 (uncertain > unassessed)
• Asterionella gracillima var. ralfsii (W.Smith) Cleve-Euler, 1953 accepted as Asterionella ralfsii W.Smith, 1856
• Asterionella gracillima var. subtilis (Grunow) Cleve-Euler, 1953 accepted as Asterionella formosa var. subtilis Grunow, 1881
• Asterionella gracilloides (uncertain > unassessed)
• Asterionella gracilloides f. spiroides Kisselev, 1935 (uncertain > unassessed)
• Asterionella inflata Heib., 1863 (uncertain > unassessed)