life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Empire Eukaryota (Chatton, 1925) see Domain Eukaryota Chatton, 1925
     Kingdom Plantae Haeckel (1866) - plants
       Subkingdom Viridiplantae Caval.-Sm. (1981) - green plants
         Infrakingdom Chlorophyta Caval.-Sm. (1993) [monotypic] - green algae
           Phylum Chlorophyta Pascher (1914) - green algae
             Subphylum Chlorophytina T. Cavalier-Sm. (1998) see Phylum Chlorophyta Pascher (1914)
               Infraphylum Prasinophytae T. Cavalier-Sm. (1998) [paraphyletic] see Class Prasinophyceae T. Christensen, 1962 ex Ø. Moestrup & J. Throndsen (1988)
                 Class Micromonadophyceae Mattox & Stewart (1984) see Class Prasinophyceae T. Christensen, 1962 ex Ø. Moestrup & J. Throndsen (1988)
                   Order Pyramimonadales Chadefaud