Animalia | Nematoda | Enoplea | Mermithida | Mermithidae
Biota | Animalia | Nematoda | Enoplea | Dorylaimia | Mermithida | Mermithina | Mermithoidea | Mermithidae
|  |  | sensu De Ley & Blaxter, 2004 |  | Hyman, 1951 | Andrássy, 1974 | Braun, 1883 | Braun, 1883