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  Animalia
      Arthropoda
        Hexapoda
               [Apterygota]
            Insecta
              Pterygota
                Neoptera
                       [Endopterygota]
                       [Exopterygota]
                    Hemiptera
                      Heteroptera
                             [Geocorisae]
                        Gerromorpha
                               [Amphibicorisae]
                               [Heteroptera-gerromorpha]
                          Hydrometroidea
                            Macroveliidae
                                     Macrovelia
                                             Macrovelia hornii
                                     Oravelia
                                             Oravelia pege