Kingdom Animalia Linnaeus, 1758 - animals Phylum Arthropoda Siebold, 1848 - arthropods Subphylum Cheliceriformes Class Pycnogonida Latreille, 1810 - pycnogonids Family Pycnogonidae Wilson, 1878 Genus Pentapycnon Bouvier, 1910 Genus Pycnogonum Brünnich, 1764