#order_Ephemeroptera__Ephemeroptera__Ephemerida__order_Ephemerida  mayflies
  supertype:  #animal_order  the order of animals
  member:  #ephemerid  #family_Ephemeridae
  member of:  #class_Insecta__Insecta__Hexapoda__class_Hexapoda  insects; about five-sixths of all known animal species
     member of:  #phylum_Arthropoda__Arthropoda  jointed-foot invertebrates: arachnids; crustaceans; insects; millipedes; centipedes
        member of:  #kingdom_Animalia__Animalia__animal_kingdom  taxonomic kingdom comprising all living or extinct animals

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