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 Enoplida Filipjev, 1929
                 Genus Trichinella Railliet, 1895
                 1 Superfamily Tripyloidea De Man, 1876
                 2 Superfamily Enoploidea Dujardin, 1845
                 3 Superfamily Oncholaimoidea Filipjev, 1916
                 4 Superfamily Mermithoidea Braun, 1883
                 5 Superfamily Trichuroidea see Superfamily Trichinelloidea Ward, 1907
                 6 Superfamily Dioctophymatoidea Railliet, 1915