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Heptageniidae

  • Baetidae
    Baetidae
  • Caenidae
    Caenidae
  • Ephemerellidae
    Ephemerellidae
  • Heptageniidae
    Heptageniidae
  • Siphlonuridae
    Siphlonuridae
  • Ephemeridae
    Ephemeridae
  • Leptophlebiidae
    Leptophlebiidae