Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Arthropoda Siebold, 1848 - arthropods
     Subphylum Chelicerata Heymons, 1901
       Class Pycnogonida Latreille, 1810 - pycnogonids
         Order Pantopoda Gerstaecker, 1863
           Suborder Eupantopodida Fry, 1978
             Superfamily Nymphonoidea Wilson, 1878
               1 Family Nymphonidae Wilson, 1878
               2 Family Callipallenidae Hilton, 1942
               3 Family Pallenopsidae Fry, 1978