Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Nematoda Gegenbaur, 1859 - round worms
     Class Chromadorea Inglis, 1983
       Subclass Plectia Hodda, 2007
         Superorder Rhabditica Hodda, 2007
           Order Rhabditida Chitwood, 1933
             Suborder Peloderina Hodda, 2007 [monotypic]
               Superfamily Mesorhabditoidea Andrassy, 1976
                 1 Family Mesorhabditidae Andrassy, 1976
                 2 Family Parasitorhabditidae Lazarevskaya, 1965
                 3 Family Peloderidae Andrassy, 1976