life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Empire Eukaryota (Chatton, 1925) see Domain Eukaryota Chatton, 1925
     Superkingdom Archezoa Cavalier-Smith, 1983 [monotypic] see Infrakingdom Archezoa Cavalier-Smith, 1983
       Kingdom Archezoa Cavalier-Smith, 1983 see Infrakingdom Archezoa Cavalier-Smith, 1983
         Phylum Archamoebae Cavalier-Smith, 1983 [monotypic]
           Class Pelobiontea Page, 1976 see Order Pelobiontida Page, 1976
             Order Mastigamoebida Frenzel, 1892 see Order Rhizomastigida Doflein, 1916
               1 Genus Mastigamoeba Schulze, 1875
               2 Genus Mastigina Frenzel, 1897
               3 Genus Mastigella Frenzel, 1897
               4 Genus Pelomyxa Greeff, 1874