Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           [Eukaryota Chatton, 1925 - eukaryotes] see Domain Eukaryota Chatton, 1925
             [Breviates Walker, Dacks & Embley, 2006, incertae sedis] see Class Breviatea Cavalier-Smith, 2004