Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota J.R. Wagner, 2004 [J. Wiemann et al., 2020]
           Clade neomura T. Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade discaria T. Cavalier-Smith, 2022(2021)
                 Clade natates T. Cavalier-Smith, 2022(2021)
                   Clade photaria T. Cavalier-Smith, 2022(2021)
                     Clade eucorta T. Cavalier-Smith, 2022(2021)
                       Superkingdom Corticata (Lankester, 1878) T. Cavalier-Smith, in T. Cavalier-Smith et al., 2015 - corticates
                         Kingdom Chromista T. Cavalier-Smith, 1981, nom. descript. - chromists
                           Subkingdom Harosa T. Cavalier-Smith, 2010
                             [crown] Clade Sar S.M. Adl et al., 2012 [A.G.B. Simpson & M. Dunthorn, 2020]
                               Infrakingdom Rhizaria T. Cavalier-Smith, 2002
                                 Phylum Retaria T. Cavalier-Smith, 2002
                                   Subphylum Radiozoa (T. Cavalier-Smith, 1987)
                                     Superclass Polycystinia (Ehrenberg, 1838)
                                       Class Sphaerellaria Haeckel, 1881
                                         Order Actinommata Haeckel, 1862
                                           Family Heliodiscidae Haeckel, 1881
                                             Genus Heliodiscusᵀ Haeckel, 1862
                                               Heliodiscus asteriscus Haeckel, 1887