Phylum Amoebozoa Lühe, 1913
   Subphylum Lobosa Carpenter, 1861 see Infraphylum Lobosa Carpenter, 1861
     Class Discosea Cavalier-Smith, 2004
       Subclass Longamoebia Cavalier-Smith & Smirnov, 2011
         1 Order Dermamoebida Cavalier-Smith, 2004
         2 Order Thecamoebida Smirnov & Cavalier-Smith, 2011 [monotypic]
         3 Order Centramoebida Rogerson & Patterson, 2002