Phylum Cercozoa Cavalier-Smith, 1998 Order Cercomonadida Poche, 1913 - cercomonads Family Heteromitidae Kent, 1880 Genus Katabia S.A. Karpov, F. Ekelund & Moestrup, 2003 Katabia gromovi S.A. Karpov, F. Ekelund & Moestrup, 2003