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 Chromista Caval.-Sm. (1981) - chromists
                           Subkingdom Harosa Cavalier-Smith, 2010
                             [crown] Clade Sar Adl et al. 2012 [Simpson & Dunthorn 2020]
                               Infrakingdom Rhizaria Cavalier-Smith, 2002
                                 Phylum Retaria Cavalier-Smith, 2002
                                   Subphylum Foraminifera d'Orbigny, 1826
                                     "monothalamids" [paraphyletic]
                                       Class Astrorhizata Saidova, 1981
                                         Subclass Astrorhizanaᵀ Saidova, 1981
                                           Order Astrorhizidaᵀ Lankester, 1885 [monotypic]
                                             [Suborder Astrorhizinaᵀ Lankester, 1885] see Order Astrorhizida Lankester, 1885
                                               [Superfamily Komokioidea Tendal & Hessler, 1977] see Superfamily Dendrophryoidea Haeckel, 1894
                                                 [Family Rhizamminidae Wiesner, 1931] see Family Komokiidae Tendal & Hessler, 1977
                                                   [Genus Arrhizammum Rhumbler, 1913] see Genus Rhizammina Brady, 1879