Phylum Amoebozoa Lühe, 1913
   Subphylum Lobosa Carpenter, 1861 see Infraphylum Lobosa Carpenter, 1861
     Class Discosea Cavalier-Smith, 2004
       Subclass Flabellinia Smirnov et al., 2005
         Order Himatismenida Page, 1987
           1 Suborder Tectiferina Cavalier-Smith & Smirnov, 2011
           2 Suborder Parvamoebina Cavalier-Smith & Smirnov, 2011 [monotypic]