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 Caenogastropoda Cox, 1960
        Count: [f] 2o;119f
           Order Sorbeoconcha Ponder & Lindberg, 1997
          Count: [f] 109f
             Suborder Hypsogastropoda Ponder & Lindberg, 1997
            Count: [f] 91f
               Infraorder Littorinimorpha Pchelintsev, 1963
              Count: [f] 61f
                 Superfamily Trivioidea F.H. Troschel, 1863 see Superfamily Velutinoidea Gray, 1840
                Count: [f] 1f
                   Family Triviidae Troschel, 1863 - trivias
                  Count: -
                     Subfamily Eratoinae Gill, 1871
                    Count: -