Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Nematoda Gegenbaur, 1859 - round worms
     Class Dorylaimea Hodda, 2007
       Subclass Bathyodontia Hodda, 2007 [monotypic]
         Superorder Mononchica Hodda, 2007
           Order Bathyodontida Siddiqi, 1983 [monotypic]
             Suborder Bathyodontina Coomans & Loof, 1970
               Superfamily Mononchuloidea De Coninck, 1965 [monotypic]
                 1 Family Mononchulidae De Coninck, 1965