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
               [Kingdom Protozoa Goldfuss, 1818 [paraphyletic] - protozoa]
                 [Phylum †Calcitarcha Versteegh, Servais, Streng, Munnecke & Vachard, 2009]