Genus Metachromadora Filipjev, 1918a

Diagnosis (according to Maria et al. 2014). Cuticle finely or coarsely striated, extreme anterior end of the head unstriated, but not forming a cephalic capsule, cryptospiral amphideal fovea partly or completely surrounded by cuticle striations, or not surrounded by striations; outer labial sensilla usually setiform, buccal cavity with large dorsal tooth and two smaller subventral teeth in most of the species, several subventral teeth or denticles may be present; pharynx with well-developed posterior bulb with a thick cuticular lining and partitioned into two or three sections; male with one testis at left of the intestine; spicules with well-developed velum and capitulum; precloacal supplements of various forms; tail conical.

Type species: Metachromadora macroutera Filipjev, 1918a