Phylum Mollusca Linnaeus, 1758 - molluscs
Status: extant
   Class Gastropoda Cuvier, 1795 - snails and slugs
  Status: extant
     Subclass Divasibranchia Minichev & Starobogatov, 1975
    Status: extant
       Order Stylommatophora Schmidt, 1855 see Infraorder Stylommatophora Schmidt, 1855
      Status: extant
         Suborder Mesurethra [monotypic]
        Status: extant
           Superfamily Clausilioidea Gray, 1855 [monotypic]
          Status: extant
             Family Clausiliidae Gray, 1855
            Status: extant
               Subfamily Alopiinae Wagner, 1913
              Status: extant
                 Genus Cristataria Vest, 1867
                Status: extant