[Phylum] [Arthropoda] Siebold, 1848 - arthropods
   [Class] Pycnogonida Latreille, 1810 - pycnogonids
     Order Pantopoda Gerstaecker, 1863
       Suborder Eupantopodida Fry, 1978
         Superfamily Pycnogonoidea Wilson, 1878 [monotypic]
           1 Family Pycnogonidae Wilson, 1878