Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Gastropoda Cuvier, 1795 - snails and slugs
     Subclass Prosobranchia Milne-Edwards, 1848 - prosobranchs see Class Gastropoda Cuvier, 1795
       Order Caenogastropoda Cox, 1960 see Superorder Caenogastropoda Cox, 1960
         Suborder Architaenioglossa Haller, 1890
           Superfamily Cyclophoroidea Gray, 1847
             Family Pupinidae Pfeiffer, 1853
               Subfamily Pupinellinae Kobelt, 1902
                 Genus Streptaulus Benson, 1857