Phylum Amoebozoa Lühe, 1913
   Subphylum Lobosa Carpenter, 1861 see Infraphylum Lobosa Carpenter, 1861
     Class Discosea Cavalier-Smith, 2004
       Subclass Flabellinia Smirnov et al., 2005
         1 Order Dactylopodida Smirnov et al., 2005
         2 Order Vannellida Smirnov et al., 2005 [monotypic]
         3 Order Himatismenida Page, 1987
         4 Order Stygamoebida Smirnov & Cavalier-Smith, 2011 [monotypic]
         5 Order Pellitida Smirnov & Cavalier-Smith, 2011 [monotypic]
         6 ?Order Trichosida Möbius, 1889 [monotypic]