Phylum Cercozoa Cavalier-Smith, 1998
Count: 1o;2f;11g;69s
   Order Cercomonadida Poche, 1913 - cercomonads
  Count: [*] 2f;9g;67s
     Family Heteromitidae Kent, 1880
    Count: [*] 6g;17s
       Genus Katabia S.A. Karpov, F. Ekelund & Moestrup, 2003
      Count: [*] 1s
         Katabia gromovi S.A. Karpov, F. Ekelund & Moestrup, 2003
        Count: -