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
               [Supergroup Rhizaria Cavalier-Smith, 2002] see Infrakingdom Rhizaria Cavalier-Smith, 2002
                 [Radiolaria Müller, 1858] see Phylum Radiolaria Müller, 1858
                   [Acantharia Haeckel, 1881] see Class Acantharia Haeckel, 1881
                     1 [Holocanthida Schewiakoff, 1926] see Order Holacanthida Schewiakoff, 1926
                     2 [Symphyacanthida Schewiakoff, 1926] see Order Symphyacanthida Schewiakoff, 1926
                     3 [Chaunocanthida Schewiakoff, 1926] see Order Chaunacanthida Schewiakoff, 1926
                     4 [Arthracanthida Schewiakoff, 1926] see Order Arthracanthida Schewiakoff, 1926