See text Nygolaimidae is a family of soft-bodied nematodes belonging to the order Dorylaimida.

Some members of this family are found in terrestrial soil or fresh water habitats.

[1][2] Genera and species of this family are about 1 to 7.3 millimeters in length.

Most in this family are characterized by a thin cutical, smooth or fine striations, a spear-like non-protrusible mural tooth located on the left submedian wall of stoma, a basal portion of the esophagus surrounded by a thin sheath, strong spicules with males and short and blundy tails in both sexes.

[3] Genera:[1]