#genus_Crassostrea__Crassostrea  Virginia oysters
  supertype:  #mollusk_genus__molluskgenu  a genus of mollusks
  member:  #Virginia_oyster
  member of:  #family_Ostreidae__Ostreidae  oysters
     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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