#family_Littorinidae__Littorinidae  periwinkles
  supertype:  #mollusk_family__molluskfamily  a family of mollusks
  member:  #genus_Littorina
  member of:  #class_Gastropoda__Gastropoda__Gasteropoda__class_Gasteropoda  snails and slugs and their relatives
     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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