Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Nematoda Gegenbaur, 1859 - round worms
     Class Chromadorea Inglis, 1983
       Subclass Chromadoria Adamson, 1987 [monotypic]
         Superorder Chromadorica Hodda, 2007
           Order Desmodorida De Coninck, 1965 [monotypic]
             Suborder Desmodorina De Coninck, 1965
               Superfamily Microlaimoidea Micoletzky, 1922
                 1 Family Aponchiidae Gerlach, 1963
                 2 Family Microlaimidae Micoletzky, 1922
                 3 Family Monoposthiidae De Coninck, 1965