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Organism
  Animalia
         [Metazoa]
      Nematoda
             [Adenophorea]
             [Nemata]
             [Secernentea]
            Chromadorea
              Chromadoria
                    Desmodorida
                            Ceramonematidae
                                   [Dasynemellidae]
                                     Ceramonema
                                           [Ceramonemoides]
                                           [Cyttaronema]
                                           [Proceramonema]
                                             Ceramonema attenuatum
                                             Ceramonema carinatum
                                             Ceramonema chitwoodi
                                             Ceramonema filipjevi
                                             Ceramonema filum
                                             Ceramonema pisanum
                                             Ceramonema rectulatum
                                             Ceramonema rectum
                                             Ceramonema reticulatum
                                             Ceramonema sculpturatum
                                             Ceramonema undulatum
                              Ceramonematinae
                                     [Dasynemellinae]
                                     [Leptodasynemellinae]
                                     [Metadasynemellinae]
                                     Metadasynemoides
                                     Dasynema
                                     Dasynemella
                                           [Leptodasynemella]
                                             Dasynemella cincta
                                             Dasynemella conica
                                             Dasynemella phalangida
                                             Dasynemella psolionemoides
                                             Dasynemella sexalineata
                                     Dasynemoides
                                           [Dasynemelloides]
                                             Dasynemoides cristatus
                                             Dasynemoides latus
                                             Dasynemoides longicollis
                                             Dasynemoides setosus
                                             Dasynemoides spinosus
                                     Metadasynemella
                                           [Dictyonemella]
                                             Metadasynemella cassidinensis
                                             Metadasynemella falciphalla
                                             Metadasynemella macrophalla
                                     Pristionema
                                             Pristionema octalatum
                                     Pselionema
                                           [Pselionemoides]
                                             Pselionema annulatum
                                             Pselionema beauforti
                                                   [Pselionema annulatum beauforti]
                                             Pselionema deconincki
                                             Pselionema hexalatum
                                             Pselionema rigidum
                                             Pselionema simile
                                             Pselionema simplex
                              Pselionematinae
                                     Pterygonema
                                             Pterygonema alatum
                                             Pterygonema ornatum
This project is supported by the National Science Foundation's Division of Environmental Biology through an award titled "Advancing Revisionary Taxonomy and Systematics: Integrative Research and Training in Tropical Taxonomy" (DEB-1456674). Any opinions, findings, and conclusions or recommendations expressed on this website are those of the authors and do not necessarily reflect the views of the National Science Foundation.