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 Chromista Caval.-Sm. (1981) - chromists
                           Subkingdom Harosa Cavalier-Smith, 2010
                             Clade Sar Adl et al. 2012 [Simpson & Dunthorn 2020]
                               Infrakingdom Rhizaria Cavalier-Smith, 2002
                                 Phylum Retaria Cavalier-Smith, 2002
                                   Subphylum Radiozoa Cavalier-Smith, 1987
                                     Superclass Polycystinia Ehrenberg, 1838
                                       Class Collodaria Haeckel, 1881 [monotypic]
                                         Order Collodaridaᵀ Haeckel, 1881
                                           Family Collosphaeridae Müller, 1858
                                             Genus Polysolenia Ehrenberg, 1860
                                               1 †Polysolenia arktios Nigrini, 1970
                                               2 Polysolenia flammabunda (Haeckel, 1887)
                                               3 Polysolenia lappacea (Haeckel, 1887)
                                               4 Polysolenia murrayana (Haeckel, 1887)
                                               5 Polysolenia spinosa (Haeckel, 1860)