Taxonomic information: horn shells

the root (no rank)
   Eukaryota (domain)
      Metazoa (kingdom)
         Mollusca (phylum)
            Gastropoda (class)
               Prosobranchia (subclass)
                  Mesogastropoda (order)
                     Potamididae (family)
                        horn shells (common name)
                           [hide inferior taxa]

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