Boleodorinae. Body under 1 mm (0.4-0.9 mm), ventrally arcuate upon relaxation. Lateral fields each with four incisures. Amphidial apertures slit-like, transverse or oblique. Cephalic region elevated, rounded or conoid-rounded. Stylet cylindroid, 8-15 um, conus asymmetrical, lumen distinct or solid-appearing anteriorly; basal knobs absent; orifice of dorsal gland close to stylet base. Median bulb muscular, with refractive thickenings, near middle of oesophagus. Cardia distinct. Vulva at 60-65% of body length. Ovary single, outstretched. Postvulval uterine sac shorter than body width, with distinct lumen. Tail elongate-filiform, with pointed or rounded tip. Sperm rod-shaped or rounded. Spicules short (11-15 um). Gubernaculum simple. Bursa adanal.
(Description- Siddiqi, 2000)