Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade discaria Cavalier-Smith, 2021
                 Clade natates Cavalier-Smith, 2021
                   Clade photaria Cavalier-Smith, 2021
                     Clade eucorta Cavalier-Smith, 2021
                       Superkingdom Corticata Lankester, 1878 - corticates
                         Kingdom Plantae Haeckel (1866) - plants
                           Subkingdom Viridiplantae Caval.-Sm. (1981) - green plants
                             Phylum Chlorophyta Pascher (1914) [coordinate rank] - green algae
                               "prasinophytes"
                                 3 Class Nephroselmidophyceae Cavalier-Sm. (1993)
                                 4 "prasinophyte clade IX"
                                 5 "prasinophyte clade VIII"
                                 6.1 Family Pycnococcaceae R.R.L. Guillard (1991)
                                 6.2.1 Class Mamiellophyceae Marin & Melkonian (2010)
                                 6.2.2 Order Pyramimonadales Chadefaud
                                 6.3.1.1 Genus Picocystis R.A. Lewin in R.A. Lewin et al. (2001)
                                 6.3.1.2 "CCMP1205 clade"