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 Psammosphaerida Haeckel, 1894
                                             Suborder Psammosphaerinaᵀ Haeckel, 1894
                                               Family Psammosphaeridaeᵀ Haeckel, 1894
                                                 Subfamily Psammosphaerinaeᵀ Haeckel, 1894
                                                   Genus Sorosphaera Brady, 1879
                                                     Sorosphaera confusa Brady, 1879
                                                     Sorosphaera perforata Stschedrina, 1939