Family Nygolaimidae

Revised 10/18/22

Enoplea

           Dorylaimida

                 Nygolaimina

Nygolaimidae Thorne, 1935

   

Body length 1-7.3 mm. Cuticle thin, either smooth or with fine striations. Labial region offsert or continuous with body contour. Stoma a simple eversible tube with slightly sclerotized walls. Armed with a spear-like non-protrusible mural tooth. no odontostyle. Basal prtion of esophagus surrounded by a thin sheath. Female genital system diovarial, amphidelphic, ovaries reflexed. Vulva not sclerotized, usually a transverse slit, sometimes longitudinal. Males with strong spicules, gubernaculum present or absent. Male with 0-14 weakly-developed ventomedian supplements. Tail similar in both sexes, usually short and bluntly rounded.
	Nygolaimidae: spear-like mural tooth and eversible stoma (Nygolaimus sp.)
Ref. Andrássy (2009), Coomanns (2003) Note: Consider also the mural tooth of the subfamily Sectonematinae currently placed in the Aporcelaimidae.

Classified as predators (Yeates et al, 1993).

References

Andrássy, I. 2009. Free-living Nematodes of Hungary III.  Hungarian Natural History Museum, Budapest. 608p.

Coomans, A. 1963. Stoma structure in members of the Dorylaimina. Nematologica 9:587-601.

Yeates, G.W., T. Bongers, R. G. M. De Goede, D. W. Freckman, and S. S. Georgieva. 1993. Feeding habits in soil nematode families and genera—An outline for soil ecologists. Journal of Nematology 25:315-331.

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