Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Asc-helminthes
           Class Nematoda Gegenbaur, 1859
             Subclass Adenophorea
               Order Araeolaimida see Suborder Araeolaimina De Coninck, 1965
                 Genus Araeolaimus Man, 1888
                 Genus Cylindrolaimus De Man, 1880
                 Genus Plectus Bastian, 1865