[Panarthropoda] Nielsen, 1995 - panarthropods
Count: -
   Arthropoda Siebold, 1848 - arthropods see Phylum Arthropoda Siebold, 1848
  Count: -
     Chelicerata Heymons, 1901 see Superclass Chelicerata Heymons, 1901
    Count: -
       Pycnogonida Latreille, 1810 - sea spiders see Epiclass Pycnogonida Latreille, 1810
      Count: 3f;5g
         Ammotheidae Dohrn, 1881
        Count: 3g
           Genus Tanystylum Miers, 1879
          Count: -