Kingdom Chlorobionta Jeffrey, 1982 see [unranked] Chloroplastida S.M. Adl et al., 2005
   Division Chlorophyta Reichenbach (1834) - green algae sensu stricto see Phylum Chlorophyta Pascher (1914)
     Class Prasinophyceae T. Christensen, 1962 ex Ø. Moestrup & J. Throndsen (1988) - prasinophytes see [unranked] prasinophytes
       1 Order Pyramimonadales Chadefaud
       2.1 Order Mamiellales Moestrup (1984)
       2.2.1 coccoid prasinophytes see Order Prasinococcales Guillou et al. (2004), nom. nud.
       2.2.2.1 Order Pseudoscourfieldiales Melkonian (1990), nom. inval.
       2.2.2.2.1 Order Chlorodendrales Fritsch, 1917