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  Animalia
      Arthropoda
        Hexapoda
               [Apterygota]
            Insecta
              Pterygota
                Neoptera
                       [Endopterygota]
                       [Exopterygota]
                    Trichoptera
                          Sericostomatoidea
                            Petrothrincidae
                                     Gyrocarisa
                                             Gyrocarisa acuta
                                             Gyrocarisa concava
                                             Gyrocarisa steineri
                                     Petrothrincus
                                             Petrothrincus circularis
                                             Petrothrincus demoori
                                             Petrothrincus triangularis