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 Lepidoteuthidae Pfeffer, 1912
             1 Genus Lepidoteuthis Joubin, 1895
             2 Genus Pholidoteuthis Adam, 1950
             3 Genus Tetronychoteuthis Pfeffer, 1900, nom. dub.