Subfamily Desmodorinae Filipjev, 1918

Diagnosis (modified from Tchesunov 2014)

Cuticle annulated except in cephalic region. Cephalic region with thickened cuticle except in lip region and set off as conspicuous cephalic capsule. Amphidial fovea generally not surrounded by annulation of body cuticle; may be located on a cuticularised plate. Buccal cavity mostly with distinct teeth. Pharyngeal bulb round to elongated.