Phylum Cercozoa Cavalier-Smith, 1998
   Order Cercomonadida Poche, 1913 - cercomonads
     Family Heteromitidae Kent, 1880
       1 Genus Heteromita Dujardin, 1841
       1.1 Genus Bodomorpha A.C. Hollande, in P.-P. Grassé, 1952
       1.2 Genus Sciviamonas Ekelund et al., in Ekelund & Patterson, 1997 see Genus Heteromita Dujardin, 1841
       2 Genus Protaspis Skuja, 1939, nom. illeg. see Genus Protaspa A.T. Howe et al., 2011
       3 Genus Allantion Sandon, 1924
       4 Genus Sainouron Sandon, 1924
       5 Genus Cholamonas Flavin et al., 2000
       6 Genus Katabia S.A. Karpov, F. Ekelund & Moestrup, 2003