organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain eukaryotes see Domain Eukaryota Chatton, 1925
     related to multicellular groups
       Class Chlorophyceae Wille (1884) - chlorophytes
         Order Volvocida Francé, 1894, orth. zool. - volvocids see Order Chlamydomonadales F.E. Fritsch
           01 Suborder Dunaliellina see Order Volvocales Oltmanns (1904)
           02 Suborder Chlamydomonadina see Order Volvocales Oltmanns (1904)
           03 Suborder Volvocina see Order Volvocales Oltmanns (1904)
           04 ?Genus Hafniomonas H. Ettl & O. Moestrup (1980)
           05 ?Genus Oltmannsiellopsis Chihara & I. Inouye (1986)
           06 ?Genus Spermatozopsis O.A. Korshikov (1913)
           07 Genus Apiochloris Pascher, 1930a
           08 Genus Basichlamys H.L. Skuja (1956)
           09 Genus Cephalomonas Higinbotham (1942)
           10 Genus Chlainomonas Christen (1959)
           11 Genus Chlamydonephris H. Ettl & O. Ettl (1959)
           12 Genus Chlorobrachis Korshikov (1925)
           13 Genus Chloronephris Pascher & Jahoda (1928)
           14 Genus Coccomonas S.F.N. von Stein (1878)
           15 Genus Costatochloris H. Ettl & O. Ettl (1959)
           16 Genus Dangeardinella A. Pascher, 1930b
           17 Genus Delphinomonas M.O.P. Iyengar, in Iyengar & Desikachary (1976)
           18 Genus Fortiella Pascher (1927)
           19 Genus Fortiellopsis M.O.P. Iyengar, in Iyengar & Desikachary (1976)
           20 Genus Furcilla A. Stokes (1890)
           21 Genus Gigantochloris Pascher (1927)
           22 Genus Granulochloris Pascher & Jahoda (1928)
           23 Genus Hemitoma Skuja (1939)
           24 Genus Hyaliella Pascher, 1931b
           25 Genus Hyalobrachion Swindell (1939)
           26 Genus Hyalogonium Pascher (1927)
           27 Genus Iyengariomonas T.V. Desikachary (1965)
           28 Genus Jolyella J. Ruinen (1938)
           29 Genus Korschikoffia Pascher, 1927a
           30 Genus Lundiella Y.S.R.K. Sarma & R. Shyam (1974)
           31 Genus Melomonas M.O.P. Iyengar, in Iyengar & Desikachary (1976)
           32 Genus Oltmannsiella Zimmermann (1930)
           33 Genus Papenfussiomonas T.V. Desikachary (1972)
           34 Genus Pascherina P.C.Silva (1959)
           35 Genus Pedinopera A.A. Pascher (1925)
           36 Genus Pedinoperopsis O. Korshikov (1938)
           37 Genus Peterfiella Gerloff (1940)
           38 Genus Phyllariochloris Pascher & Jahoda (1928)
           39 Genus Phyllocardium Korshikov (1927)
           40 Genus Platella Proshkina-Lavrenko, 1945, nom. illeg.
           41 Genus Provasoliella A.R. Loeblich III (1967)
           42 Genus Pyramichlamys H. Ettl & O. Ettl (1959)
           43 Genus Pyramidococcus M.O.P. Iyengar, in Iyengar & Desikachary (1976)
           44 Genus Quadrichloris Fott, 1959, nom. illeg.
           45 Genus Raciborskiella S. Wislouch, 1924, nom. illeg.
           46 Genus Selenochloris A.A. Pascher, 1927b
           47 Genus Sphenochloris Pascher (1922)
           48 Genus Spirogonium Pascher (1927)
           49 Genus Tetrablepharis Senn ex Wille, in A. Engl. & K. Prantl (1909)
           50 Genus Tetrachloris A. Pascher & R. Jahoda, 1928 [ICZN] see Genus Tetrachloris A. Pascher & R. Jahoda, 1928, nom. illeg. [ICBN]
           51 Genus Tetratoma Bütschli (1884)
           52 Genus Thoracomonas O.A. Korshikov (1925)
           53 Genus Tingitanella Bourrelly & Gayral (1950)
           54 Genus Tussetia Pascher (1927)
           55 Genus Ulochloris A. Pascher (1916)
           56 Genus Wislouchiella Skvortzow (1925)