Family Heligmosomidae

                                 Revised 02/03/26

Classification:

Phylum Nematoda

Class Chromadorea

Subclass Chromadoria

Order Rhabditida

Suborder Rhabditina

Superfamily Heligmosomoidea

           Heligmosomidae (Travassos, 1914) Cram, 1927

Primarily parasites of rodents, rabbits and insectivores.

• Buccal capsule reduced to annulus; lips absent;
• cephalic vesicle present;
• synlophe with left ventral ridges only or with both dorsal and ventral ridges and axis of orientation subfrontal; ridges continuous, longitudinal or oblique; careen absent;
• bursa of type 1-3-1 and caudal spine absent on female tail or bursa of type 2--3 with spine present;
• female didelphic, rarely with distal branch atrophied (Ohbayashinema Durette-Desset, 1974) or monodelphic.

    Go To Dictionary of Terminology 

References

Beveridge, I., Spratt, D.M.  and Durette-Desset, M-C. 2014. Order Strongylida (Railliet and Henry, 1913). In Schmidt-Raesa, A. (ed). Handbook of Zoology: Gastroctricha, Cycloneurelia and Gnathifera. Vol 2. Nematoda. De Gruyter, Berlin

Durette-Desset, M.-C. 1974.: Nippostrongylinae (Nematoda: Heligmosomidae) nearctiques. Annales de Parasitologie humaine et comparee 49:435-450.

Durette-Desset, M-C., Hugot, J.P., Darlu, P. and Chabaud, A.G. 1999. A cladistic analysis of the Trichostrongyloidea. Int. Jour. Parasitol. 21:579-587.

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