Rhizopoda Dujardin, 1835 - rhizopods see Phylum Cercozoa Cavalier-Smith, 1998
   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 [Saccamoeba] Frenzel, 1892
           2 Genus [Cashia] Page, 1974 [monotypic]
           3 Genus [Glaeseria] Volkonsky, 1931 [monotypic]
           4 Genus [Hartmannella] Alexeieff, 1912
           5 Genus [Nolandella] Page, 1983 [monotypic]