Phylum Amoebozoa Lühe, 1913
   Subphylum Lobosa Carpenter, 1861 see Infraphylum Lobosa Carpenter, 1861
     Class Discosea Cavalier-Smith, 2004
       1 Subclass Flabellinia Smirnov et al., 2005
       2 Subclass Longamoebia Cavalier-Smith & Smirnov, 2011
       3 ?Hyalodiscidae Poche, 1913 [monotypic]