Kingdom Protozoa Goldfuss, 1818 - protozoa
   Subkingdom Gymnomyxa (Lankester, 1878) Cavalier-Smith, 2002 see Kingdom Protozoa Goldfuss, 1818
     Infrakingdom Sarcomastigota Cavalier-Smith, 1983 see Subkingdom Sarcomastigota Cavalier-Smith, 1983
       Phylum Amoebozoa Lühe, 1913
         1 Subphylum Lobosa Carpenter, 1861 see Infraphylum Lobosa Carpenter, 1861
         2 Subphylum Conosa Cavalier-Smith, 1998 see Infraphylum Conosa Cavalier-Smith, 1998
         3 Phalansterea T. Cavalier-Smith, 2000 see Class Spongomonadea T. Cavalier-Smith, 2000