[Phylum] [Arthropoda] Siebold, 1848 - arthropods
   [Class] Pycnogonida Latreille, 1810 - pycnogonids
     Order Pantopoda Gerstaecker, 1863
       Suborder Eupantopodida Fry, 1978
         Superfamily Nymphonoidea Wilson, 1878
           1 Family Callipallenidae Hilton, 1942
           2 Family Nymphonidae Wilson, 1878
           3 Family Pallenopsidae Fry, 1978