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
       Family Hartmannellidae Volkonsky, 1931
         1 Genus Hartmannella Alexeieff, 1912
         2 Genus Saccamoeba Frenzel, 1892
         3 Genus Cashia Page, 1974
         4 Genus Glaeseria Volkonsky, 1931
         5 Genus Nolandella Page, 1983