[Panarthropoda] Nielsen, 1995 - panarthropods Arthropoda Siebold, 1848 - arthropods see Phylum Arthropoda Siebold, 1848 Chelicerata Heymons, 1901 see Superclass Chelicerata Heymons, 1901 Pycnogonida Latreille, 1810 - sea spiders see Epiclass Pycnogonida Latreille, 1810 Ammotheidae Dohrn, 1881 Genus Tanystylum Miers, 1879