Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] 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
                               "core chlorophytes"
                                 Class Trebouxiophyceae T. Friedl (1995) - trebouxiophytes
                                   Order Chlorellales
                                     Family Chlorellaceaeᵀ Brunnthaler
                                       01 Genus Apatococcus F. Brand, 1925
                                       02 Genus Apodococcus F. Hindák (1984) [monotypic]
                                       03 Genus Auxenochlorella (I. Shihira & R.W. Krauss) T. Kalina & M. Puncochárová (1987) [monotypic]
                                       04 Genus Catena R.H. Chodat (1900)
                                       05.1 Genus Chlorellaᵀ M. Beijerinck (1890)
                                       05.2 Genus Siderocelopsis F. Hindák (1988)
                                       06 Genus Coelastrella R. Chodat
                                       07 Genus Graesiella T. Kalina & M. Puncochárová [monotypic]
                                       08 Genus Kentrosphaera A. Borzì (1883)
                                       09 Genus Kermatia T. Kalina & M. Puncochárová [monotypic]
                                       10 Genus Marinichlorella Z. Aslam et al. [monotypic]
                                       11 Genus Marvania F. Hindák (1976)
                                       12 Genus Nanochlorum C. Wilhelm et al. (1982) [monotypic]
                                       13 Genus Parachlorella L. Krieniz et al. [monotypic]
                                       14 Genus Prototheca W. Krüger (1894), nom. dub.
                                       15 Genus Viridiella P. Albertano et al. [monotypic]