Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Nematoda Gegenbaur, 1859 - round worms
     Class Chromadorea Inglis, 1983
       Subclass Plectia Hodda, 2007
         Superorder Rhabditica Hodda, 2007
           Order Panagrolaimida Hodda, 2007
             Suborder Aphelenchina Geraert, 1966
               Superfamily Aphelenchoidoidea Skarbilovich, 1947
                 Family Ektaphelenchidae Paramonov, 1964