Animalia | Nematoda | Secernentea | Spirurida | Diplotriaenidae | Diplotriaena
Biota | Animalia | Nematoda | Chromadorea | Chromadoria | Rhabditida | Spirurina | Spiruromorpha | Diplotriaenoidea | Diplotriaenidae | Diplotriaena | Diplotriaena obtusa
|  |  | Inglis, 1983 | Pearse, 1942 | Chitwood, 1933 | Railliet & Henry, 1915 | De Ley & Blaxter, 2002 | Anderson, 1958 | Anderson, 1958 | Railliet & Henry in Henry & O'Zoux, 1909 | (Rudolphi, 1802) Henry & Ozoux, 1909