Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Cephalopoda Cuvier, 1795 - cephalopods
     Subclass Coleoida Bather, 1888 see Subclass Coleoidea Bather, 1888
       Order Sepiida Gray, 1849
         Suborder Sepiina Gray, 1849
           Superfamily Sepioidea
             Family Sepiolidae Leach, 1817
               Subfamily Heteroteuthinae Appellöf, 1898
                 Genus Heteroteuthis Gray, 1849
                   1 Subgenus Stephanoteuthis Berry, 1909