Animalia | Nematoda | Secernentea | Strongylida | Dictyocaulidae | Dictyocaulus
Biota | Animalia | Nematoda | Chromadorea | Chromadoria | Rhabditida | Rhabditina | Rhabditomorpha | Strongyloidea | Metastrongylidae | Dictyocaulus
|  |  | Inglis, 1983 | Pearse, 1942 | Chitwood, 1933 | Chitwood, 1933 | De Ley & Blaxter, 2002 | Baird, 1853 | Molin, 1861 | Railliet & Henry, 1907