Central Taxonomic Thesaurus
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  Animalia
      Arthropoda
        Hexapoda
               [Apterygota]
            Insecta
              Pterygota
                Neoptera
                       [Endopterygota]
                       [Exopterygota]
                    Lepidoptera
                           [Frenatae]
                           [Jugatae]
                           [Macrolepidoptera]
                           [Microlepidoptera]
                          Hepialoidea
                            Hepialidae
                                     Abantiades
                                             Abantiades marcidus
                                     Hepialus
                                     Phassus
                                             Phassus huebneri
                                             Phassus triangularis
                                     Phymatopus
                                             Phymatopus californicus
                                     Sthenopis
                                             Sthenopis purpurascens
                                     Trictena
                                             Trictena atripalpis