Phylum Cercozoa Cavalier-Smith, 1998
   Subphylum Filosa T. Cavalier-Smith & E.E.-Y. Chao, 2003
     Superclass Monadofilosa Cavalier-Smith, 1997 see Subphylum Monadofilosa Cavalier-Smith, 1997
       Class Imbricatea T. Cavalier-Smith & E.E.-Y. Chao, 2003
         Order Thaumatomonadida Shirkina, 1987
           1 Genus Allas Sandon, 1927
           2 Genus Thaumatomastix Lauterborn, 1899