Gloeotaenium Hansgirg, 1890 genus accepted

Tetratomococcus Korshikov, 1953 genus synonym

Willea Schmidle, 1900 genus accepted

Franceia Lemmermann, 1898 genus accepted

Saturnella Mattauch & Pascher, 1936 genus doubtful

Pachycladella P.C.Silva, 1970 genus accepted

Gloeocystopsis G.M.Smith, 1916 genus doubtful

Rayssiella Edelstein & Prescott, 1964 genus accepted

Granulocystis F.Hindák, 1977 genus accepted

Echinocoleum C.-C.Jao & K.T.Lee, 1947 genus accepted

Staurophanum Turner, 1892 genus doubtful

Ecdysichlamys G.S.West, 1912 genus doubtful

Dactylococcus Nägeli, 1849 genus doubtful

Kirchneriellosaccus A.K.M.N.Islam, 1969 genus doubtful

Coenolamellus A.I.Proshkina-Lavrenko, 1966 genus doubtful

Aerosphaera Gerneck, 1907 genus doubtful

Oocystella Lemmermann, 1903 genus accepted

Makinoella Okada, 1949 genus doubtful

Thelesphaera Pascher, 1943 genus accepted

Lagerheimia R.Chodat, 1895 genus accepted

Glochiococcus G.B.De Toni, 1888 genus accepted

Pseudochlorococcum P.A.Archibald, 1970 genus doubtful

Pilidiocystis Bohlin, 1897 genus doubtful

Oocystidium Korshikov, 1953 genus accepted

Selenoderma K.Bohlin, 1897 genus doubtful

Planktosphaerella Reisigl, 1964 genus doubtful

Hyalochlorella R.O.Poyton, 1970 genus doubtful

Oonephris Fott, 1964 genus accepted

Amphikrikos Korshikov, 1953 genus accepted

Reinschiella De Toni, 1889 genus doubtful

Conradia Kufferath, 1914 genus synonym

Catenocystis F.Hindák, 1988 genus doubtful

Discocytis Skuja, 1959 genus doubtful

Siderocystis Korshikov, 1953 genus synonym

Ettliella F.Hindák, 1988 genus doubtful

Bernardia Playfair, 1917 genus synonym

Juranyiella T.Hortobágyi, 1962 genus accepted

Sestosoma Hortobágyi, 1947 genus doubtful

Mycotetraedron Hansgirg, 1890 genus doubtful

Hemichloris Tschermak-Woess & Friedmann, 1984 genus doubtful

Cerasterias Reinsch, 1867 genus doubtful

Pachycladon G.M.Smith, 1924 genus synonym

Chodatella Lemmermann, 1898 genus accepted

Oocystis Nägeli ex A.Braun, 1855 genus accepted

Chloroidium Nadson, 1906 genus accepted

Rhombocystis J.Komárek, 1983 genus doubtful

Pseudococcomyxa Korshikov, 1953 genus accepted

Excentrosphaera G.T.Moore, 1901 genus accepted

Oocystaenium Gonzalves & Mehra, 1959 genus doubtful

Trigonidiella P.C.Silva, 1970 genus doubtful

Mycacanthococcus Hansgirg, 1890 genus doubtful

Chodatellopsis Korshikov, 1953 genus accepted

Keriochlamys Pascher, 1943 genus doubtful

Nephrocytium Nägeli, 1849 genus accepted

Chondrosphaera Skuja, 1964 genus accepted

Richteriella Lemmermann, 1897 genus doubtful

Fotterella R.Buck, 1978 genus accepted

Scotiella Fritsch, 1912 genus accepted

Granulocystopsis F.Hindák, 1977 genus accepted

Siderocystopsis Swale, 1964 genus accepted

Tetrachlorella Korshikov, 1939 genus accepted

Neglectella Vodenicarov & Benderliev, 1971 genus accepted

Eresmosphaera De Bary genus synonym

Densicystis X.Liu, H.Zhu, H.Song, Q.Wang, X.Xiong, C.Wu, G.Liu & Z.Hu, 2017 genus doubtful

Variochloris genus accepted

Planktonema genus synonym

Euchlorocystis X.Liu, H.Zhu, H.Song, Q.Wang, X.Xiong, C.Wu, G.Liu & Z.Hu, 2017 genus doubtful

Quadricoccopsis X.Liu, H.Zhu, H.Song, B.Liu, Q.Wang, G.Liu & Z.Hu, 2018 genus doubtful

Pseudodidymocystis genus doubtful

Droopiella Darienko, Rad-Menéndez, Campbell & Pröschold, 2019 genus accepted

Micracantha Korshikov, 1953 genus doubtful

Acanthococcus Lagerheim, 1883 genus synonym

Bohlinia Lemmermann, 1899 genus doubtful

Trichocystis F.T.Kützing, 1849 genus doubtful

Chlorosphaera Henfrey, 1859 genus doubtful

Trochiscia Kützing, 1834 genus accepted

Tetraedroides Kützing, 1845 genus doubtful

Chlorothecium Krüger, 1894 genus synonym

Lagerheimiella Boedijn, 1940 genus accepted

Trigonidium Pascher, 1932 genus synonym

Kufferathiella E.A.Molinari-Novoa & L.F.Mayta, 2021 genus doubtful

Elliptochloris genus doubtful

Glaphyrella T.Kalina, 1996 genus synonym

Elongatocystis L.Krienitz & C.Bock, 2011 genus doubtful

Ooplanctella M.Pažoutová, P.Škaloud & K.Nemjová, 2010 genus doubtful

Trochiscia Montagne, 1837 genus synonym

Selenococcus Schmidle & Zacharias, 1903 genus doubtful

Hydrocystis W.B.Turner, 1892 genus synonym

Pseudobohlina Bourrelly, 1948 genus doubtful

Conococcus H.J.Carter, 1869 genus doubtful

Chloromirus T.Hortobágyi, 1982 genus doubtful

Kruegera Heering, 1906 genus doubtful

Danasphaera E.Steemann Nielsen, 1931 genus doubtful

Jaagichlorella Reisigl, 1964 genus accepted

Jaagia Vischer, 1950 genus doubtful

Zoocystis Sokoloff, 1933 genus doubtful

Reticulocystis X.D.Liu, G.X.Liu & Z.Y.Hu, 2020 genus doubtful

Ceraterias genus accepted

Cryocystis Kol, 1968 genus accepted

Rochiscia Kuetzing, 1833 genus accepted

Pseudoraciborskia Kufferath, 1954 genus accepted

Caryosphaeroides J.W.Schopf, 1968 genus doubtful

Gloxidium Korshikov, 1931 genus doubtful

Chionaster Wille, 1903 genus doubtful

Tetrachloris A.A.Korshikov, 1939 genus synonym

Planctonema Schmidle, 1903 genus doubtful

Cryocystis E.Kol ex J.Komárek & B.Fott, 1983 genus doubtful

Quadricoccus Fott, 1948 genus accepted

Hyaloraphidium genus accepted

Nephrochlamys Korshikov, 1953 genus accepted

Tetraceras R.Chodat, 1894 genus doubtful

Eremosphaera De Bary, 1858 genus accepted

Planctonemopsis Liu, Zhu, Liu, Hu & Liu, 2017 genus doubtful

Bohlinia (Lemmermann) Wille genus doubtful

Didymocystis Korshikov, 1953 genus accepted