Phylum Mollusca Linnaeus, 1758 - molluscs
Status: extant
   Subphylum Conchifera Gegenbauer, 1878
  Status: extant
     Class Gastropoda Cuvier, 1795 - snails and slugs
    Status: extant
       Subclass Orthogastropoda Ponder & Lindberg, 1995
      Status: extant
         Superorder Cocculiniformia Haszprunar, 1987 see Superfamily Cocculinoidea Dall, 1882
        Status: extant
           Superfamily Lepetelloidea Dall, 1882
          Status: extant
             Family Bathyphytophilidae Moskalev, 1978
            Status: extant