Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [[crown] organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           [Superkingdom Eukaryota Whittaker & Margulis, 1978] see Domain Eukaryota Chatton, 1925
             [Kingdom "Cryptophyta" Caval.-Sm. (1981), nom. inval.] see Subkingdom Cryptophyta Caval.-Sm. (1981), nom. nud.