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 Secernentea
               Order Spirurida Railliet, 1914
                 Genus Dipetalonema Diesing, 1861
                 Genus Dracunculus Reichard, 1759
                 Genus Loa Stiles, 1905
                 Genus Onchocerca Diesing, 1841
                 Genus Spirura
                 Genus Wuchereria Silva Aranjo, 1877