Mollusca Linnaeus, 1758 - molluscs see Phylum Mollusca Linnaeus, 1758
Count: 410f; †195f
   Gastropoda Cuvier, 1795 see Class Gastropoda Cuvier, 1795
  Count: [f†f] 410f; †172f
     Clade Heterobranchia Burmeister, 1837 see Superorder Heterobranchia Burmeister, 1837
    Count: [f†f] 238f; †29f
       Informal Group Pulmonata Cuvier, 1814 see Order Pulmonata Cuvier, 1814
      Count: [f†f] 119f; †7f
         Clade Eupulmonata Haszprunar & Huber, 1990 see Order Eupulmonata Haszprunar & Huber, 1990
        Count: [f†f] 111f; †6f
           Clade Systellommatophora Pilsbry, 1948 see Suborder Systellommatophora Pilsbry, 1948
          Count: [f] 3f
             Superfamily Onchidioidea Rafinesque, 1815
            Count: [f] 1f
               1 Family Onchidiidae Rafinesque, 1815
              Count: -