#family_Unionidae__Unionidae  freshwater mussels found worldwide
  supertype:  #mollusk_family__molluskfamily  a family of mollusks
  member:  #genus_Unio  #genus_Anodonta  #genus_Dreissena
  member of:  #class_Bivalvia__Bivalvia__Lamellibranchia__class_Lamellibranchia__class_Pelecypoda  oysters; clams; scallops; mussels
     member of:  #phylum_Mollusca__Mollusca  gastropods; bivalves; cephalopods; chitons
        member of:  #kingdom_Animalia__Animalia__animal_kingdom  taxonomic kingdom comprising all living or extinct animals

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