Class Lobosea (Carpenter, 1861) Cavalier-Smith, 1993 see Subphylum Lobosa Carpenter, 1861
   Subclass Gymnamoebia (Haeckel, 1862) Cavalier-Smith, 1993 see [unranked] Gymnamoebae
     Order Euamoebida Lepşi, 1960
       1 Family Amoebidae Ehrenberg, 1838
       2 Family Thecamoebidae Schaeffer, 1926
       3 Family Hartmannellidae Volkonsky, 1931
       4 Family Paramoebidae Poche, 1913
       5 Family Vexilliferidae Page, 1987
       6 Family Vannellidae Bovee, 1970