Amphidinium Claparède & Lachmann, 1859 (habitat flag source)
Ballia Harvey, 1840 (habitat flag source)
Ballia prieurii Kützing, 1847 accepted as Balliopsis prieurii (Kützing) G.W. Saunders & Necchi, 2002 (habitat flag source)
Balliaceae H.-G. Choi, G.T. Kraft & G.W. Saunders, 2000 (habitat flag source)
Bangia Lyngbye, 1819 (habitat flag source)
Bangiaceae Engler, 1892 (habitat flag source)
Borzinema De Toni, 1936 (habitat flag source)
Bostrychia Montagne in Sagra, 1842 (habitat flag source)
Bourrellyella W. Baumeister, 1957 accepted as Dinastridium Pascher, 1927 (habitat flag source)
Caloglossa J.G. Agardh, 1876 (habitat flag source)
Ceratium brachyceros Daday, 1907 (habitat flag source)
Chamaesiphonaceae Borzì, 1882 (habitat flag source)
Chroococcaceae Rabenhorst, 1863 (habitat flag source)
Chroothece A. Hansgirg in Wittrock & Nordstedt, 1884 (habitat flag source)
Compsopogon Montagne in Durieu de Maisonneuve, 1846 (habitat flag source)
Compsopogonaceae F. Schmitz, 1896 (habitat flag source)
Compsopogonopsis V.K. Krishnamurthy, 1962 accepted as Compsopogon Montagne in Durieu de Maisonneuve, 1846 (habitat flag source)
Cyanophanon L. Geitler, 1955 (habitat flag source)
Cystodinedria Pascher, 1944 (habitat flag source)
Dermocarpa P.L. Crouan & H.M. Crouan, 1858 (habitat flag source)
Dermocarpaceae accepted as Dermocarpellaceae Ginsburg-Ardré ex Christensen, 1978 (habitat flag source)
Dermocarpella Lemmermann, 1907 (habitat flag source)
Dinastridium Pascher, 1927 (habitat flag source)
Dinopodiella Pascher, 1944 accepted as Stylodinium Klebs, 1912 (habitat flag source)
Diplopsalis acuta (Apstein) Entz, 1904 (habitat flag source)
Diplopsalis ambiguum (Thompson) Bourrelly, 1970 (habitat flag source)
Diplopsalis ovum (Matvienko) Bourrelly, 1970 (habitat flag source)
Endospora N.L. Gardner, 1927 (habitat flag source)
Exuviaella Cienkowski, 1881 accepted as Prorocentrum Ehrenberg, 1834 (habitat flag source)
Exuviaella compressa (Bailey) Ostenfeld, 1899 accepted as Prorocentrum compressum (J.W. Bailey, 1850) Abé ex Dodge, 1975 (habitat flag source)
Flintiella F.D. Ott in Bourrelly, 1970 (habitat flag source)
Geitleria Friedmann, 1955 (habitat flag source)
Glenodiniopsidaceae Schiller, 1935 (habitat flag source)
Glenodiniopsis pretiosa Lindemann, 1931 (habitat flag source)
Glenodiniopsis steinii (Lemmermann) Woloszynska, 1916 (habitat flag source)
Gomontiella Teodoresco, 1901 (habitat flag source)
Gomontiellaceae Elenkin (habitat flag source)
Goniotrichaceae Skuja accepted as Erythrotrichiaceae G.M. Smith, 1933 (habitat flag source)
Gymnocystodinium W. Baumeister, 1957 accepted as Cystodinium Klebs, 1912 (habitat flag source)
Handeliella Skuja in Handel-Mazzetti, 1937 (habitat flag source)
Hemidiniaceae (habitat flag source)
Hildenbrandia Nardo, 1834 (habitat flag source)
Hildenbrandia rivularis (Liebmann) J.G. Agardh, 1851 (habitat flag source)
Hildenbrandiaceae Rabenhorst, 1868 (habitat flag source)
Holopedium Lagerheim, 1893 accepted as Microcrocis P. Richter in F. Hauck & P. Richter, 1892 (habitat flag source)
Homoeoptyche Skuja, 1944 (habitat flag source)
Homoeothrix (G. Thuret ex E. Bornet & C. Flahault) O. Kirchner in A. Engler & Prantl, 1898 (habitat flag source)
Hyella Bornet & Flahault, 1888 (habitat flag source)
Hyellaceae Borzi, 1914 accepted as Pleurocapsaceae Geitler, 1925 (habitat flag source)
Hypnodinium Klebs, 1912 (habitat flag source)
Laurencia J.V.F. Lamouroux, 1813 (habitat flag source)
Lemaneaceae accepted as Batrachospermaceae C.A. Agardh, 1824 (habitat flag source)
Loefgreniaceae accepted as Hapalosiphonaceae Elenkin, 1916 (habitat flag source)
Lophodinium Lemmermann, 1910 (habitat flag source)
Lophodinium dadayi Osorio-Tafall, 1942 accepted as Lophodinium polylophum (Daday) Lemmermann, 1910 (habitat flag source)
Loriellaceae accepted as Hapalosiphonaceae Elenkin, 1916 (habitat flag source)
Lyngbyopsis N.L. Gardner, 1927 (habitat flag source)
Mastigocladaceae Geitler, 1925 accepted as Hapalosiphonaceae Elenkin, 1916 (habitat flag source)
Mastigocladopsidaceae accepted as Symphyonemataceae Hoffmann, Komárek & Kaštovský (habitat flag source)
Merismopediaceae Elenkin (habitat flag source)
Microchaetaceae Lemmermann, 1907 accepted as Rivulariaceae Kützing ex Bornet & Flahault (habitat flag source)
Nostocaceae Eichler, 1886 (habitat flag source)
Nostochopsaceae accepted as Hapalosiphonaceae Elenkin, 1916 (habitat flag source)
Nostochopsidaceae Geitler, 1925 accepted as Hapalosiphonaceae Elenkin, 1916 (habitat flag source)
Pascherinemataceae accepted as Pleurocapsaceae Geitler, 1925 (habitat flag source)
Peridiniopsis cristatum (Balech) Bourrelly, 1968 (habitat flag source)
Peridiniopsis lindemanni (Lefèvre) Bourrelly, 1968 (habitat flag source)
Peridiniopsis sphaeroideum (Christen) Bourrelly, 1968 (habitat flag source)
Peridinium gatunense Nygaard, 1925 (habitat flag source)
Peridinium gutwinskii Woloszynska, 1912 (habitat flag source)
Peridinium lindemanni Lefèvre, 1927 accepted as Peridiniopsis lindemanni (Lefèvre) Bourrelly, 1968 (habitat flag source)
Peridinium wisconsinense Eddy, 1930 (habitat flag source)
Phormidiaceae Anagnostidis & Komárek, 1988 accepted as Oscillatoriaceae (S. F. Gray) Harvey ex Kirchner (habitat flag source)
Phyllophoraceae Nägeli, 1847 (habitat flag source)
Phytodinedria Pascher, 1944 (habitat flag source)
Phytodinium Klebs, 1912 (habitat flag source)
Pleurocapsa G. Thuret in F. Hauck, 1885 (habitat flag source)
Porphyridiaceae (habitat flag source)
Porphyridium Nägeli, 1849 (habitat flag source)
Raciborskia Woloszynska, 1918 accepted as Dinococcus Fott, 1960 (habitat flag source)
Rhabdoniaceae accepted as Areschougiaceae J.G. Agardh, 1876 (habitat flag source)
Rhodomelaceae J.E. Areschoug, 1847 (habitat flag source)
Rivulariaceae Kützing ex Bornet & Flahault (habitat flag source)
Rufusiella insignis (Hassall) A.R. Loeblich III, 1978 (habitat flag source)
Schizotrichaceae Elenkin, 1949 (habitat flag source)
Schmidleinema De Toni, 1936 (habitat flag source)
Scytonemataceae Rabenhorst ex Bornet & Flahault (habitat flag source)
Seguenzaea Borzì, 1907 (habitat flag source)
Siphononemataceae accepted as Entophysalidaceae Geitler, 1925 (habitat flag source)
Spelaeopogon A. Borzi, 1907 (habitat flag source)
Spirodinium F. Schütt in Engler & Prantl, 1896 accepted as Gyrodinium Kofoid & Swezy, 1921 (habitat flag source)
Staszicella Woloszynska, 1916 (habitat flag source)
Stigonemataceae (Bornet & Flahault) Borzi, 1892 (habitat flag source)
Stylodinium Klebs, 1912 (habitat flag source)
Stylodinium globosum Klebs, 1912 (habitat flag source)
Stylodinium phaseolus (Pascher) Starmach, 1974 accepted as Stylodinium globosum Klebs, 1912 (habitat flag source)
Tetradinium Klebs, 1912 (habitat flag source)
Tetradinium chiastosporum Harris, 1939 accepted as Gymnodinium chiastosporum (T.M. Harris) Cridland, 1958 (habitat flag source)
Tetradinium intermedium Geitler, 1928 (habitat flag source)
Vanhoeffenia Wille in Drygalski, 1924 (habitat flag source)