Central Taxonomic Thesaurus
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  Animalia
      Arthropoda
        Hexapoda
               [Apterygota]
            Insecta
              Pterygota
                Palaeoptera
                       [Paleoptera]
                    Odonata
                      Anisoptera
                             [Aeshnoidea]
                             [Cordulegastroidea]
                             [Libelluloidea]
                            Corduliidae
                              Corduliinae
                                     Aeschnosoma
                                             Aeschnosoma auripennis
                                             Aeschnosoma elegans
                                             Aeschnosoma forcipula
                                             Aeschnosoma marizae
                                             Aeschnosoma rustica
                                     Cordulia
                                             Cordulia shurtleffii
                                     Dorocordulia
                                             Dorocordulia lepida
                                             Dorocordulia libera
                                     Epitheca
                                       Epitheca (Epicordulia)
                                             [Epicordulia]
                                             Epitheca princeps
                                               Epitheca princeps princeps
                                                     [Epicordulia princeps]
                                               Epitheca princeps regina
                                                     [Epicordulia regina]
                                       Epitheca (Tetragoneuria)
                                             [Tetragoneuria]
                                             Epitheca canis
                                                   [Tetragoneuria canis]
                                             Epitheca costalis
                                                   [Tetragoneuria costalis]
                                                   [Tetragoneuria williamsoni]
                                             Epitheca cynosura
                                                   [Tetragoneuria cynosura]
                                             Epitheca petechialis
                                                   [Tetragoneuria petechialis]
                                             Epitheca semiaquea
                                                   [Tetragoneuria semiaquea]
                                             Epitheca sepia
                                                   [Tetragoneuria sepia]
                                             Epitheca spinigera
                                                   [Tetragoneuria spinigera]
                                             Epitheca spinosa
                                                   [Tetragoneuria spinosa]
                                             Epitheca stella
                                                   [Tetragoneuria stella]
                                     Gomphomacromia
                                             Gomphomacromia chilensis
                                             Gomphomacromia fallax
                                             Gomphomacromia mexicana
                                             Gomphomacromia nodisticta
                                             Gomphomacromia paradoxa
                                     Helocordulia
                                             Helocordulia selysii
                                             Helocordulia uhleri
                                     Lauromacromia
                                             Lauromacromia dubitalis
                                             Lauromacromia flaviae
                                             Lauromacromia luismoojeni
                                             Lauromacromia picinguaba
                                     Navicordulia
                                             Navicordulia amazonica
                                             Navicordulia atlantica
                                             Navicordulia errans
                                             Navicordulia kiautai
                                             Navicordulia leptostyla
                                             Navicordulia longistyla
                                             Navicordulia mielkei
                                             Navicordulia miersi
                                             Navicordulia nitens
                                             Navicordulia vagans
                                                   [Dorocordulia vagans]
                                     Neocordulia
                                             Neocordulia androgynis
                                             Neocordulia batesi
                                               Neocordulia batesi batesi
                                               Neocordulia batesi longipollex
                                             Neocordulia biancoi
                                             Neocordulia campana
                                             Neocordulia carlochagasi
                                             Neocordulia griphus
                                             Neocordulia mambucabensis
                                             Neocordulia matutuensis
                                             Neocordulia setifera
                                             Neocordulia volxemi
                                     Neurocordulia
                                           [Platycordulia]
                                             Neurocordulia alabamensis
                                             Neurocordulia michaeli
                                             Neurocordulia molesta
                                                   [Neurocordulia clara]
                                             Neurocordulia obsoleta
                                             Neurocordulia virginiensis
                                             Neurocordulia xanthosoma
                                                   [Platycordulia xanthosoma]
                                             Neurocordulia yamaskanensis
                                     Paracordulia
                                             Paracordulia sericea
                                     Rialla
                                             Rialla villosa
                                     Santosia
                                             Santosia machadoi
                                             Santosia marshalli
                                             Santosia newtoni
                                     Somatochlora
                                             Somatochlora albicincta
                                                   [Somatochlora massettensis]
                                             Somatochlora alpestris
                                             Somatochlora arctica
                                             Somatochlora brevicincta
                                             Somatochlora calverti
                                             Somatochlora cingulata
                                             Somatochlora elongata
                                             Somatochlora ensigera
                                             Somatochlora filosa
                                             Somatochlora forcipata
                                             Somatochlora franklini
                                             Somatochlora georgiana
                                             Somatochlora hineana
                                             Somatochlora hudsonica
                                             Somatochlora incurvata
                                             Somatochlora kennedyi
                                             Somatochlora linearis
                                             Somatochlora margarita
                                             Somatochlora minor
                                             Somatochlora ozarkensis
                                             Somatochlora provocans
                                             Somatochlora sahlbergi
                                             Somatochlora semicircularis
                                             Somatochlora septentrionalis
                                             Somatochlora tenebrosa
                                             Somatochlora walshii
                                             Somatochlora whitehousei
                                             Somatochlora williamsoni
                                     Williamsonia
                                             Williamsonia fletcheri
                                             Williamsonia lintneri
                              Macromiinae
                                     [Macromiidae]
                                     Didymops
                                             Didymops floridensis
                                             Didymops transversa
                                     Macromia
                                             Macromia alleghaniensis
                                             Macromia annulata
                                             Macromia illinoiensis
                                               Macromia illinoiensis georgina
                                                     [Macromia georgiana]
                                               Macromia illinoiensis illinoiensis
                                             Macromia magnifica
                                             Macromia margarita
                                             Macromia pacifica
                                             Macromia taeniolata
                                                   [Macromia wabashensis]