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 Platy-helminthes see Phylum Platyhelminthes Gegenbaur, 1859
           1 Class Turbellaria Ehrenberg, 1831 - planarians see Subphylum Turbellaria Ehrenberg, 1831
           2 Class Trematoda Rudolphi, 1808 - flukes see Infraclass Trematoda Rudolphi, 1808
           3 Class Cestoda - tapeworms see Infraclass Cestoda
           4 Class Gnathostomulida Riedl, 1969 see Phylum Gnathostomulida Ax, 1956