Superkingdom Eukaryota Whittaker & Margulis, 1978 see Domain Eukaryota Chatton, 1925
   Kingdom Chlorobiota Jeffrey (1971), nom. inval. see Kingdom Chlorobiota C.Jeffrey ex Doweld (2001)
     Subkingdom Ulvobionta [monotypic]
       Division Ulvophyta F.E. Round (1984), nom. nud. see Phylum Ulvophyta Doweld (2001)
         Class Chlorophyceae Wille (1884) - chlorophytes