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 dorsates Cavalier-Smith, 2021
                   Clade podiates Cavalier-Smith, 2012
                     Clade Varisulca Cavalier-Smith, 2012
                       Superclass Hilomonadia Cavalier-Smith, 2012 [coordinate rank] [monotypic]
                         Class Hilomonadeaᵀ Cavalier-Smith, 2008 [monotypic]
                           Order Rigifilida Cavalier-Smith, 2012
                             1 Family Rigifilidaeᵀ Cavalier-Smith & Yabuki, 2012 [monotypic]
                             2 Family Micronucleariidae Cavalier-Smith, 2008 [monotypic]