Kingdom Protoctista Hogg, 1860
   Phylum Chlorophyta Pascher (1914) - green algae
     Class Chlorophyceae Wille (1884) - chlorophytes
       Order Chlorococcales Pascher see Order Chlamydomonadales F.E. Fritsch
         Family Chlorococcaceae Blackman & Tansley
           1 Genus Chlorococcum Meneghini (1842), nom. cons.
           2 Genus Bracteacoccus E. Tereg (1923)
           3 Genus Dictyococcus R. Gerneck (1907)
           4 Genus Neochloris R.C. Starr (1955)
           5 Genus Spongiochloris R.C. Starr (1955)
           6 Genus Spongiococcum Deason (1959)