life 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
       "Amitochondriates"
         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