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Organism
  Animalia
      Arthropoda
            Insecta
                    Ephemeroptera
                          Ephemerelloidea
                            Leptohyphidae
                                     Amanahyphes
                                     Cabecar
                                     Haplohyphes
                                     Leptohyphes
                                     Traverhyphes
                                     Tricorythodes
                                     Tricorythopsis
                                     Vacupernius