Rhizophyton R.D.Yang, J.R.Mao & Yuan L.Zhao, 2001 genus doubtful

Rhizoclonium Kützing, 1843 genus accepted

Chaetomorphopsis H.L.Lyon, 1901 genus synonym

Prolifera Vaucher, 1803 genus synonym

Spongopsis Kützing, 1843 genus synonym

Chloronitum Gaillon, 1828 genus doubtful

Pithophora Wittrock, 1877 genus accepted

Cladogonium H.Hirose & M.Akiyama, 1971 genus doubtful

Cladophora Kützing, 1843 genus accepted

Annulina Link, 1820 genus doubtful

Gemmiphora A.Skabichevskii, 1931 genus doubtful

Hormotrichum Kützing, 1845 genus doubtful

Lychaete J.Agardh, 1846 genus accepted

Bryobesia Weber-van Bosse, 1911 genus doubtful

Basicladia W.E.Hoffmann & J.E.Tilden, 1930 genus accepted

Hormiscia Fries, 1835 genus doubtful

Rama V.J.Chapman, 1952 genus synonym

Rothella Gaillon, 1833 genus doubtful

Cladophorella F.E.Fritsch, 1944 genus doubtful

Aegagropila Kützing, 1843 genus accepted

Arnoldiella V.V.Miller, 1928 genus accepted

Chaetonella Schmidle, 1901 genus accepted

Wittrockiella Wille, 1909 genus accepted

Lurbica Boedeker, 2016 genus doubtful

Cladochaete C.Meyer & A.Skabichevskij, 1965 genus synonym

Chloropteris Montagne, 1850 genus doubtful

Vagabundia J.E.Gray, 1864 genus accepted

Wittleria Grateloup genus doubtful

Spongiochrysis F.Rindi, J.M.López-Bautista, A.R.Sherwood & M.D.Guiry, 2006 genus accepted

Acrocladus Nägeli, 1847 genus synonym

Leptocystea J.E.Gray, 1864 genus doubtful

Aplonema Hassall, 1845 genus doubtful

Cladostroma Skuja, 1937 genus doubtful

Spongosiphonia J.E.Areschoug, 1866 genus doubtful

Cytophora J.E.Gray, 1864 genus doubtful

Cystothrix J.E.Gray, 1864 genus doubtful

Chaetocladiella C.Meyer & A.P.Skabichevskij, 1968 genus doubtful

Magnusina O.Kuntze, 1891 genus doubtful

Chaetomorpha Kützing, 1845 genus accepted

Conferva Linnaeus, 1753 genus accepted

Pseudorhizoclonium Boedeker, 2016 genus accepted