Phylum Amoebozoa Lühe, 1913
   Subphylum Protamoebae Cavalier-Smith, 2004 see Subphylum Lobosa Carpenter, 1861
     Class Lobosea (Carpenter, 1861) Cavalier-Smith, 1993 see Subphylum Lobosa Carpenter, 1861
       Order Arcellinida Kent, 1880 - shelled lobosid amebas
         1 Suborder Arcellinina Haeckel, 1884
         2 Suborder Difflugiina R. Meisterfeld, 2002
         2 Suborder Phryganellina Bovee, 1985