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
               [Kingdom Protozoa Goldfuss, 1818 [paraphyletic] - protozoa]
                 [Subkingdom Sarcomastigota Cavalier-Smith, 1983 [paraphyletic]] see [unranked] dorsates Cavalier-Smith, 2021
                   [Infrakingdom Sulcozoa Cavalier-Smith, 2012 [monotypic]] see [unranked] dorsates Cavalier-Smith, 2021
                     [Phylum Sulcozoaᵀ Cavalier-Smith, 2012 [paraphyletic]] see [unranked] dorsates Cavalier-Smith, 2021
                       1 [Subphylum Planomonada Cavalier-Smith, 2021 [monotypic]] see Class Planomonadea Cavalier-Smith, 2021
                       2.1-n [Subphylum Varisulca Cavalier-Smith, 2012 [sister group to excluded taxa]] see [unranked] Varisulca Cavalier-Smith, 2012
                       x [Subphylum Apusozoa Cavalier-Smith, 1997] see Phylum Apusozoa Cavalier-Smith, 1997