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  Animalia
      Arthropoda
        Hexapoda
               [Apterygota]
            Insecta
              Pterygota
                Neoptera
                       [Endopterygota]
                       [Exopterygota]
                    Orthoptera
                      Caelifera
                        Acrididea
                               [Acridomorpha]
                               [Tetrigidea]
                          Tetrigoidea
                            Tetrigidae
                              Batrachideinae
                                     Paxilla
                                             Paxilla obesa
                                     Tettigidea
                                             Tettigidea acuta
                                             Tettigidea armata
                                                   [Tettigidea armata spicata]
                                               Tettigidea armata armata
                                             Tettigidea empedonepia
                                             Tettigidea lateralis
                                               Tettigidea lateralis cazieri
                                               Tettigidea lateralis lateralis
                                                     [Tettigidea lateralis parvipennis]
                                             Tettigidea prorsa
                              Cladonotinae
                              Cleostratinae
                              Discotettiginae
                              Lophotettiginae
                              Metrodorinae
                              Scelimeninae
                              Tetriginae
                                     Neotettix
                                             Neotettix femoratus
                                                   [Neotettix bolteri]
                                             Neotettix nullisinus
                                             Neotettix proavus
                                             Neotettix proteus
                                     Nomotettix
                                             Nomotettix cristatus
                                               Nomotettix cristatus compressus
                                               Nomotettix cristatus cristatus
                                                     [Nomotettix sinufrons]
                                               Nomotettix cristatus floridanus
                                             Nomotettix parvus
                                     Paratettix
                                           [Apotettix]
                                             Paratettix aztecus
                                             Paratettix brevipennis
                                             Paratettix cucullatus
                                             Paratettix freygessneri
                                             Paratettix mexicanus
                                             Paratettix rugosus
                                                   [Apotettix rugosa]
                                             Paratettix toltecus
                                     Tetrix
                                           [Acrydium]
                                             Tetrix americana
                                               Tetrix americana americana
                                               Tetrix americana dimorpha
                                             Tetrix arenosa
                                                   [Acrydium arenosum]
                                               Tetrix arenosa angusta
                                                     [Acrydium arenosum obscurum]
                                               Tetrix arenosa arenosa
                                                     [Acrydium arenosum arenosum]
                                                     [Acrydium arenosum blatchleyi]
                                             Tetrix bipunctatus
                                                   [Nomotettix validus]
                                             Tetrix brunneri
                                                   [Acrydium brunneri]
                                             Tetrix granulata
                                                   [Acrydium granulatum]
                                             Tetrix ornata
                                                   [Acrydium acadicus]
                                                   [Acrydium ornatum]
                                               Tetrix ornata hancocki
                                                     [Acrydium ornatum hancocki]
                                               Tetrix ornata insolens
                                               Tetrix ornata occidua
                                               Tetrix ornata ornata
                                                     [Acrydium ornatum ornatum]
                                             Tetrix sierrana
                                             Tetrix subulata
                              Tripetalocerinae