Rev 08/03/2020
Dorylaimoidea De Man, 1876.
Ref: Jairajpuri and Ahmad, 1992; Vinciguerra, 2006.
Families, genera and species of the Dorylaimoidea are mainly terrestiral, but many species occur in freshwater habitats.
Dorylaimid esophagi: some general chracteristics
Some dorylaimid esophago-intestinal cardia configurations
Adapted from Vinciguerra (2006)
1 | Cheilostom armed with four large onchia encircling odontostyle | Actinolaimidae |
Cheilostom without onchia | 2 | |
2 | Numerous body pores with cuticularized ducts | Lordellonematidae |
Body pores absent or indistinct | 3 | |
3 | Mouth cavity cyathiform; odontostyle guiding sheath sclerotized anteriorly | Crateronematidae |
Mouth cavity tubular; odontostyle guiding sheath not sclerotized | 4 | |
4 | Long nematodes; odontostyle long and thin | Longidoridae |
Odontostyle short | 5 | |
5 | Lip region low, not offset; two circles of labial papillae close together; gubernaculum present | Thorniidae |
Lip region prominent; two circles of labial papillae far apart; gubernaculum absent | 6 | |
6 | Labial framework and mouth cavity with sclerotized pieces | Thornenematidae |
Lip region without sclerotized pieces | 7 | |
7 | Odontostyle slender, relatively long, with narrow lumen and aperture | Nordiidae |
Odontostyle short, with wide lumen and aperture | 8 | |
8 | Female tail elongate to filiform; male tail usually short | Dorylaimidae |
Tail short conoid or rounded, similar in both sexes | 9 | |
9 | Aperture longer than half length of odontostyle | Aporcelaimidae |
Aperture shorter than half length of odontostyle | Qudsianematidae |
De Man, J.G. 1876. Onderzoekingen over vrij in de aarde levende Nematoden. Tijdschrift Ned, Dierk.. Ver. 2:78-196.
Jairajpuri, M.S. and W. Ahmad. 1992. Dorylaimida: free-living, predaceous and plant-parasitic nematodes. Brill, Leiden. 458 p.
Pearse, A.S. 1942. Introduction to Parasitology. Baltimore. 357p.
Pena-Santiago, R. 2006. Dorylaimida Part 1. Superfamilies Belondiroidea, Nygolaimoidea and Tylencholaimoidea. Pp 326-391 in E. Abebe, István Andrássy, W. Traunspurger (eds) Freshwater Nematodes: Ecology and Taxonomy. CABI Publishing.
Vinciguerra, M.T. 2006. Dorylaimida Part II: Superfamily Dorylaimoidea. Pp 392-467 in Eyualem-Abebe, W. Traunspurger and I Andrássy (eds) Freshwater Nematodes: Ecology and Taxonomy. CABI, Cambridge MA.