Phylum Mollusca Linnaeus, 1758 - molluscs
Count: -
   Subphylum Conchifera Gegenbauer, 1878
  Count: -
     Class Gastropoda Cuvier, 1795 - snails and slugs
    Count: -
       Subclass Orthogastropoda Ponder & Lindberg, 1995
      Count: -
         Superorder Heterobranchia Burmeister, 1837
        Count: -
           Order Heterostropha Fischer, 1885
          Count: [f] 17f
             Superfamily Pyramidelloidea Gray, 1840
            Count: [f] 8f
               Family Odostomiidae Casey, 1904 see Tribe Odostomiini Casey, 1904
              Count: -
                 Subfamily Odostomellinae Saurin, 1959 see Tribe Odostomellini Saurin, 1959
                Count: -