Athroocystis W. West & G. West, 1897 genus accepted

Palambages O. Wetzel, 1961 genus accepted

Sphaerodesmus Corda genus accepted

Sphaerosiphon Schussnig, 1915 genus accepted

Springerella O. Dragastan & D.K. Richter, 2001 genus accepted

Protosphaeria P.J.F. Turpin, 1828 genus accepted

Prasinophytina subphylum accepted

Pseudomurilella N. Hanagata, 1998 genus accepted

Schodackia R. Ruedemann, 1942 genus accepted

Jansaella B.L. Mamet & A. Roux, 1975 genus provisionally accepted

Nesea Lamouroux genus accepted

Piriurella I.C. Cookson & A. Eisenack, 1979 genus accepted

Yuknessia C.D. Walcott, 1919 genus accepted

Hysginum M. Perty, 1852 genus accepted

Isogonium (Kützing) de Bary genus accepted

Johnson Eiseman & Earle genus accepted

Mawsonella F. Chapman, 1927 genus accepted

Merrettia S.F. Gray, 1821 genus accepted

Chlorophytina subphylum accepted

Phaeostrepte Skuja ex T. Willén, 1992 genus accepted

Gambangia I.C. Cookson & A. Eisenack, 1979 genus accepted

Heterocystinella I.C. Cookson & A. Eisenack, 1979 genus accepted