Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Gastropoda Cuvier, 1795 - snails and slugs
     Subclass Divasibranchia Minichev & Starobogatov, 1975
       Order Basommatophora Keferstein, 1865 see Suborder Basommatophora Keferstein, in Bronn, 1864
         Superfamily Siphonarioidea Gray, 1827
           Family Siphonariidae Gray, 1827
             Genus Siphonaria Sowerby, 1823
               01 Subgenus Benhamina Finlay, 1926
               02 Subgenus Ellsiphon Iredale, 1940
               03 Subgenus Heterosiphonaria Hubendick, 1945
               04 Subgenus Hubendickula McAlpine, 1952
               05 Subgenus Liriola Dall, 1870
               06 Subgenus Pachysiphonaria Hubendick, 1945
               07 Subgenus Patellopsis Nobre, 1886
               08 Subgenus Planesiphon Iredale, 1940
               09 Subgenus Pugillaria Iredale, 1924
               10 Subgenus Sacculosiphonaria Hubendick, 1945
               11 Subgenus Simplisiphonaria Hubendick, 1945