Kingdom Animalia Linnaeus, 1758 - animals Phylum Arthropoda Siebold, 1848 - arthropods Subphylum Cheliceriformes Class Pycnogonida Latreille, 1810 - pycnogonids Family Tanystylidae see Family Ammotheidae Dohrn, 1881 Genus Tanystylum Miers, 1879