Belongs within: Cycloneuralia.
Contains: Mermithida, Mononchida, Dorylaimina.
The Dorylaimia is a clade of freshwater and soil-dwelling nematodes supported by molecular phylogenetic analysis (Ley & Blaxter 2002).
<==Dorylaimia
|--+--+--MermithidaLB02
| | `--MononchidaLB02
| `--DorylaimidaLB02
| | i. s.: EudorylaimusH02
| | Chrysonema aurumWI89
| |--DorylaiminaLB02
| |--Campydoridae [Campydorina, Campydoroidea]LB02
| `--Nygolaimina [Nygolaimoidea]LB02
| |--NygellidaeLB02
| |--AetholaimidaeLB02
| |--NygolaimellidaeLB02
| `--Nygolaimus [Nygolaimidae]LB02
| `--N. predaciusTG02
`--Trichinellida [Trichinelloidea, Trichocephalida, Trichosyringidae, Trichurida]LB02
| i. s.: TrichocephalusG20
| |--T. affinisR26
| |--T. disparG20
| |--T. echinatusG20
| |--T. nodosusR26
| |--T. trichurisH02
| `--T. unguiculatusR26
|--AnatrichosomatidaeLB02
|--CystoopsidaeLB02
|--TrichosomoididaeLB02
|--Capillaria [Capillariidae]LB02
| |--C. gracilisK-M02
| |--C. hepaticaJ02
| `--C. philipinensisMN02
|--Trichinella [Trichinellidae]LB02
| |--T. nativaJ02
| |--T. pseudospiralisL02
| `--T. spiralisTG02
`--Trichuris [Trichuridae]LB02
|--T. murisMN02
|--T. myocastorisL02
|--T. ovisP02
|--T. parvispicularisG02
|--T. suisP02
|--T. trichiurusMN02
`--T. vulpisJ02
Dorylaimia incertae sedis:
Isolaimiidae [Isolaimida, Isolaimoidea]LB02
Dioctophymatida [Dioctophymatina]LB02
| i. s.: Eustrongylides ignatusMM02
|--SoboliphymatidaeLB02
`--Dioctophyma [Dioctophymatidae]LB02
`--D. renaleMM02
Muspiceida [Muspiceina]LB02
|--MuspiceidaeLB02
`--RobertdollfusiidaeLB02
Marimermithidae [Marimermithida]LB02
*Type species of generic name indicated
References
[G02] Gibbons, L. M. 2002. General organisation. In: Lee, D. L. (ed.) The Biology of Nematodes pp. 31–59. Taylor & Francis: Florence (Kentucky).
[G20] Goldfuss, G. A. 1820. Handbuch der Naturgeschichte vol. 3. Handbuch der Zoologie pt 1. Johann Leonhard Schrag: Nürnberg.
[H02] Hope, I. A. 2002. Embryology, developmental biology and the genome. In: Lee, D. L. (ed.) The Biology of Nematodes pp. 121–145. Taylor & Francis: Florence (Kentucky).
[J02] Justine, J.-L. 2002. Male and female gametes and fertilisation. In: Lee, D. L. (ed.) The Biology of Nematodes pp. 73–119. Taylor & Francis: Florence (Kentucky).
[K-M02] Klein-MacPhee, G. 2002. Cods. Family Gadidae. In: Collette, B. B., & G. Klein-MacPhee (eds) Bigelow and Schroeder’s Fishes of the Gulf of Maine 3rd ed. pp. 223–261. Smithsonian Institute Press: Washington.
[L02] Lee, D. L. 2002. Cuticle, moulting and exsheathment. In: Lee, D. L. (ed.) The Biology of Nematodes pp. 171–209. Taylor & Francis: Florence (Kentucky).
[LB02] Ley, P. de, & M. Blaxter. 2002. Systematic position and phylogeny. In: Lee, D. L. (ed.) The Biology of Nematodes pp. 1–30. Taylor & Francis: Florence (Kentucky).
[MN02] Maruyama, H., & Y. Nawa. 2002. Immunology of nematode infection. In: Lee, D. L. (ed.) The Biology of Nematodes pp. 457–481. Taylor & Francis: Florence (Kentucky).
[MM02] Munn, E. A., & P. D. Munn. 2002. Feeding and digestion. In: Lee, D. L. (ed.) The Biology of Nematodes pp. 211–232. Taylor & Francis: Florence (Kentucky).
[P02] Perry, R. N. 2002. Hatching. In: Lee, D. L. (ed.) The Biology of Nematodes pp. 147–169. Taylor & Francis: Florence (Kentucky).
[R26] Risso, A. 1826. Histoire naturelle des principales productions de l’Europe méridionale et particulièrement de celles des environs de Nice et des Alpes maritimes vol. 5. F.-G. Levrault: Paris.
[TG02] Thompson, D. P., & T. G. Geary. 2002. Excretion/secretion, ionic and osmotic regulation. In: Lee, D. L. (ed.) The Biology of Nematodes pp. 291–320. Taylor & Francis: Florence (Kentucky).
[WI89] Walter, D. E., & E. K. Ikonen. 1989. Species, guilds, and functional groups: taxonomy and behavior in nematophagous arthropods. Journal of Nematology 21 (3): 315–327.