Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Cephalopoda Cuvier, 1795 - cephalopods
     Subclass Coleoida Bather, 1888 see Subclass Coleoidea Bather, 1888
       Order Teuthida Naef, 1916
         Suborder Oegopsida d'Orbigny, 1845 see Suborder Oegopsina Orbigny, 1845
           Family Thysanoteuthidae Keferstein, 1866 [monotypic]
             Genus Thysanoteuthis Troschel, 1857
               1 Subgenus Cirrobrachium Hoyle, 1904 see Genus Thysanoteuthis Troschel, 1857