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 Eukarya Chatton, 1925] see Domain Eukaryota Chatton, 1925
             [Kingdom Protoctista Hogg, 1860]
               [Phylum Archaeprotista]
                 [Class Metamonada Grassé, 1952] see Phylum Metamonada Grassé, 1952
                   1 [Subclass Diplomonadida] see Order Diplomonadida Wenyon, 1926
                   2 [Subclass Retortamonadida] see Order Retortamonadida Grassé, 1952
                   3 [Subclass Oxymonadida] see Order Oxymonadida Grassé, 1952