Phylum Cercozoa Cavalier-Smith, 1998
   Order Cercomonadida Poche, 1913 - cercomonads
     Family Cercomonadidae Kent, 1880
       1 Genus Cercomonas F. Dujardin, 1841
       1.1 Genus Dimastigamoeba F. Blochmann, 1894 see Genus Cercomonas F. Dujardin, 1841
       1.2 Genus Prismatomonas J. Massart, 1920 see Genus Cercomonas F. Dujardin, 1841
       1.3 Genus Reptomonas W.S. Kent, 1880-1882[1880] see Genus Cercomonas F. Dujardin, 1841
       1.4 Genus Cercomastix E.J. Lemmermann, 1913 see Genus Cercomonas F. Dujardin, 1841
       1.5 Genus Cercobodo I.M. Krassiltschik, 1886 see Genus Cercomonas F. Dujardin, 1841
       1.6 Genus Dimorpha Klebs, 1892, nom. illeg. see Genus Heliomorpha D. Bass et al., 2009
       2 Genus Helkesimastix Woodcock & Lapage, 1914
       3 Genus Neocercomonas Ekelund, Fredslund & Daugbjerg, 2004