#genus_Unio__Unio  type genus of the family Unionidae
  supertype:  #mollusk_genus__molluskgenu  a genus of mollusks
  member:  #pearly-shelled_mussel
  member of:  #family_Unionidae__Unionidae  freshwater mussels found worldwide
     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

No statement uses or specializes #genus_Unio; click here to add one.