Genus Triversus

Body about 1 mm long. Lip region low, flattened. SEM face view with labial disc and first labial annulus fused together; rounded amphid apertures often conspicuous. Stylet 11-25 um long, robust or with needle-like cone. Labial framework thin, weakly sclerotized, with wide basal ring. Metacorporal bulb fusiform. Lateral field with four or three lines. Female tail conoid, pointed, medium to long (cí = 3-8). Deirids absent. Male caudal alae sometimes trilobed.