Kingdom Protoctista Hogg, 1860
   Phylum Chlorophyta Pascher (1914) - green algae
     Class Chlorophyceae Wille (1884) - chlorophytes
       0 Order Polyblepharidales - naked green flagellates see Class Prasinophyceae T. Christensen, 1962 ex Ø. Moestrup & J. Throndsen (1988)
       01 Order Dunaliellales see Order Chlamydomonadales F.E. Fritsch
       02 Order Chlamydomonadales F.E. Fritsch
       03 Order Volvocales Oltmanns (1904) see Order Chlamydomonadales F.E. Fritsch
       04 Order Tetrasporales Lemmermann see Order Chlamydomonadales F.E. Fritsch
       05 Order Chlorococcales Pascher see Order Chlamydomonadales F.E. Fritsch
       06 Order Chlorosarcinales see Order Chlamydomonadales F.E. Fritsch
       07 Order Sphaeropleales Luerssen (1877)
       08 Order Microsporales Bohlin (1901) see Order Sphaeropleales Luerssen (1877)
       09 Order Oedogoniales Heering (1914)
       10 Order Cylindrocapsales see Order Ulotrichales Borzi
       11 Order Chaetophorales Wille