Achnanthes Bory, 1822 (additional source)
Achnanthes amoena Hust., 1952 accepted as Karayevia amoena (Hust.) Bukht., 2006 (basis of record)
Achnanthes archibaldiana Lange-Bert., 1989 accepted as Rossithidium archibaldianum (Lange-Bertalot) L.N.Bukhtiyarova, 2008 (basis of record)
Achnanthes bengalensis Grunow in Cleve & Grunow, 1880 (additional source)
Achnanthes biasolettiana Grunow, 1880 accepted as Achnanthidium pyrenaicum (Hustedt) H.Kobayasi, 1997 accepted as Achnanthes pyrenaica var. pyrenaica Hustedt, 1939 (additional source)
Achnanthes brevipes C.Agardh, 1824 (additional source)
Achnanthes brevipes var. angustata (Greville) Cleve, 1895 (additional source)
Achnanthes brevipes var. brevipes Agardh, 1824 (additional source)
Achnanthes brevipes var. leudugeri (Tempère & Brun in Brun & Tempère) Cleve, 1895 accepted as Achnanthes leudugeri Tempère & Brun in Brun & Tempère, 1889 (additional source)
Achnanthes brevipes var. parvula (Kützing) Cleve, 1895 accepted as Achnanthes parvula Kützing, 1844 (additional source)
Achnanthes citronella (A.Mann) Hustedt, 1937 accepted as Cocconeis citronella Mann, 1925 (basis of record)
Achnanthes clevei Grunow, 1880 accepted as Karayevia clevei (Grunow) Round & Bukhtiyarova, 1999 (additional source)
Achnanthes crenulata Grunow, 1880 (additional source)
Achnanthes curvirostrum J.Brun, 1895 (additional source)
Achnanthes danica (Flögel) Grunow in Cleve & Grunow, 1880 (additional source)
Achnanthes delicatula (Kützing) Grunow in Cleve & Grunow, 1880 accepted as Planothidium delicatulum (Kützing) Round & Bukhtiyarova, 1996 accepted as Achnanthidium delicatulum f. delicatulum Kützing, 1844 (additional source)
Achnanthes dispar Cleve, 1891 accepted as Planothidium dispar (Cleve) Witkowski, Lange-Bertalot & Metzeltin, 2000 accepted as Achnanthes dispar var. dispar Cleve, 1891 (additional source)
Achnanthes dispar Mann, 1907 (basis of record)
Achnanthes dispar var. angulata Hustedt, 1930 (basis of record)
Achnanthes dispar var. dispar Cleve, 1891 (basis of record)
Achnanthes exigua Grunow, 1880 (additional source)
Achnanthes hauckiana Grunow, 1880 (additional source)
Achnanthes hauckiana var. hauckiana Grunow in Cleve & Grunow, 1880 (basis of record)
Achnanthes inflata (Kützing) Grunow, 1867 (additional source)
Achnanthes javanica Grunow in Cleve & Möller, 1878 (additional source)
Achnanthes javanica var. subconstricta Meister, 1932 (additional source)
Achnanthes javanica var. tenuistauros (Mann) Meister, 1932 accepted as Achnanthes tenuistauros Mann, 1925 (additional source)
Achnanthes leudugeri Tempère & Brun in Brun & Tempère, 1889 (additional source)
Achnanthes longipes C.Agardh, 1824 (additional source)
Achnanthes microcephala (Kützing) Grunow, 1880 accepted as Achnanthidium microcephalum Kützing, 1844 (additional source)
Achnanthes minutissima Kützing, 1833 (additional source)
Achnanthes minutissima var. minutissima Kützing, 1833 (basis of record)
Achnanthes orientalis Hustedt, 1933 (basis of record)
Achnanthes parvula Kützing, 1844 (additional source)
Achnanthes ploenensis Hustedt, 1930 represented as Karayevia ploenensis (Hustedt) Bukhtiyarova, 1999 (additional source)
Achnanthes punctifera Hustedt, 1955 (basis of record)
Achnanthes pyrenaica var. pyrenaica Hustedt, 1939 (basis of record)
Achnanthes radiata Du & Cheng, 1984 (basis of record)
Achnanthes tenuistauros Mann, 1925 (basis of record)
Achnanthes wellsiae Reimer, 1966 (basis of record)
Achnanthidium F.T. Kützing, 1844 (additional source)
Achnanthidium delicatulum sensu Schumann, 1867 (basis of record)
Achnanthidium delicatulum f. delicatulum Kützing, 1844 (basis of record)
Achnanthidium microcephalum Kützing, 1844 (additional source)
Achnanthidium minutissimum (Kützing) Czarnecki, 1994 accepted as Achnanthes minutissima var. minutissima Kützing, 1833 (additional source)
Achnanthidium pyrenaicum (Hustedt) H.Kobayasi, 1997 accepted as Achnanthes pyrenaica var. pyrenaica Hustedt, 1939 (basis of record)
Actinocyclus C.G. Ehrenberg, 1837 (additional source)
Actinocyclus alienus Grunow in Cleve, 1883 (additional source)
Actinocyclus appendiculatus Rattray, 1890 (additional source)
Actinocyclus australis Grunow in Van Heurck, 1883 (additional source)
Actinocyclus confluens Grunow, 1890 (additional source)
Actinocyclus curvatulus Janisch, 1874 (basis of record)
Actinocyclus divisus (Grunow) Hustedt, 1958 accepted as Coscinodiscus divisus var. divisus Grunow, 1878 (additional source)
Actinocyclus ehrenbergii Ralfs, 1861 (additional source)
Actinocyclus ehrenbergii var. ralfsii (W.Smith) Hustedt, 1929 accepted as Eupodiscus ralfsii var. ralfsii W. Smith, 1856 (additional source)
Actinocyclus ehrenbergii var. tenella (Brébisson) Hustedt, 1929 accepted as Eupodiscus tenellus Brébisson, 1854 (additional source)
Actinocyclus ellipticus Grunow (basis of record)
Actinocyclus ellipticus f. lanceolata Kolbe, 1954 (additional source)
Actinocyclus fasciculatus Harwood & Maruyama, 1992 (additional source)
Actinocyclus ingens Rattray, 1890 † (additional source)
Actinocyclus ingens var. ovalis R.Gersonde, 1990 (basis of record)
Actinocyclus japonicus Castracane, 1886 (additional source)
Actinocyclus octonarius Ehrenberg, 1837 accepted as Actinoptychus octonarius (Ehrenberg) Kützing, 1844 accepted as Actinocyclus octonarius var. octonarius Ehrenberg, 1837 (additional source)
Actinocyclus octonarius var. octonarius Ehrenberg, 1837 (additional source)
Actinocyclus octonarius var. ralfsii (W.Smith) Hendey, 1954 accepted as Eupodiscus ralfsii var. ralfsii W. Smith, 1856 (additional source)
Actinocyclus octonarius var. tenellus (Brébisson) Hendey, 1954 accepted as Eupodiscus tenellus Brébisson, 1854 (additional source)
Actinocyclus senarius Ehrenberg, 1838 (additional source)
Actinocyclus stictodiscus Grunow in Van Heurck, 1883 (additional source)
Actinocyclus subtilis (W.Gregory) Ralfs, 1861 (additional source)
Actinoptychus C.G. Ehrenberg, 1843 (basis of record)
Actinoptychus australis (Grunow) Andrews, 1979 accepted as Actinoptychus vulgaris var. australis Grunow in Van Heurck, 1883 (additional source)
Actinoptychus hexagonus Grunow in Schmidt, 1874 (additional source)
Actinoptychus octonarius (Ehrenberg) Kützing, 1844 accepted as Actinocyclus octonarius var. octonarius Ehrenberg, 1837 (additional source)
Actinoptychus pericavatus J.-J.Brun (additional source)
Actinoptychus senarius (Ehrenberg) Ehrenberg, 1843 accepted as Actinocyclus senarius Ehrenberg, 1838 (additional source)
Actinoptychus splendens (Shadbolt) Ralfs ex Pritchard, 1861 (additional source)
Actinoptychus subangulatus Schmidt in Schmidt et al., 1888 (additional source)
Actinoptychus vulgaris Schumann, 1867 (additional source)
Actinoptychus vulgaris var. australis Grunow in Van Heurck, 1883 (basis of record)
Adlafia G. Moser, H. Lange-Bertalot & D. Metzeltin, 1998 (basis of record)
Adlafia minuscula (Grunow) Lange-Bertalot, 1999 (basis of record)
Alloioneis J. Schumann ex P.T. Cleve, 1878 (basis of record)
Alloioneis debyi Leuduger-Fortmorel, 1892 (additional source)
Amphicocconeis M. De Stephano & D. Marino, 2002 (basis of record)
Amphicocconeis disculoides (Hustedt) Stefano & Marino, 2003 accepted as Cocconeis disculoides Hustedt, 1955 (basis of record)
Amphipentas C.G. Ehrenberg, 1840 † (basis of record)
Amphipentas alternans Ehrenberg, 1843 † (additional source)
Amphipleura F.T. Kützing, 1844 (additional source)
Amphipleura rutilans (Trentepohl ex Roth) Cleve, 1894 accepted as Berkeleya rutilans (Trentepohl ex Roth) Grunow, 1880 (additional source)
Amphiprora C.G. Ehrenberg, 1843 (additional source)
Amphiprora alata (Ehrenberg) Kützing, 1844 accepted as Entomoneis alata (Ehrenberg) Ehrenberg, 1845 (additional source)
Amphiprora complexa Gregory, 1857 (additional source)
Amphiprora gigantea Grunow, 1860 (additional source)
Amphiprora hyalina Eulenstein ex Van Heurck, 1880 (additional source)
Amphiprora lepidoptera Gregory, 1857 accepted as Plagiotropis lepidoptera (Gregory) Kuntze, 1898 (additional source)
Amphiprora lepidoptera f. lepidoptera Gregory, 1857 represented as Plagiotropis lepidoptera (Gregory) Kuntze, 1898 (basis of record)
Amphiprora paludosa W.Smith, 1853 accepted as Entomoneis paludosa (W.Smith) Reimer, 1975 (additional source)
Amphiprora paludosa var. paludosa W. Smith, 1853 accepted as Entomoneis paludosa (W.Smith) Reimer, 1975 (additional source)
Amphiprora pusilla Gregory, 1857 accepted as Tropidoneis pusilla (Gregory) Cleve, 1894 accepted as Amphiprora pusilla var. pusilla Gregory, 1857 (additional source)
Amphiprora pusilla var. pusilla Gregory, 1857 (basis of record)