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
             1 Suborder Ablechroiulina Hodda, 2007 [monotypic]
             2 Suborder Agfina Hodda, 2007 [monotypic]
             3 Suborder Angiostomatina Hodda, 2011 [monotypic]
             4 Suborder Brevibuccina Hodda, 2007 [monotypic]
             5 Suborder Bunonematina Siddiqi, 1980
             6 Suborder Peloderina Hodda, 2007 [monotypic]
             7 Suborder Rhabditina Chitwood, 1933