Genus Desmodora de Man, 1889

Desmodora de Man, 1889: 9 .

Mastodex Steiner, 1921: 25, fig. k.

Diagnosis (from Leduc & Zhao 2016)

Cuticle without ridges or spines. Cephalic capsule either smooth or partly to entirely ornamented with small vacuoles. Cephalic setae located either in labial region or on main part of cephalic capsule.

Subcephalic setae sometimes present, when present few in number and mainly located posteriorly to amphidial fovea. Amphidial fovea cryptospiral or multispiral, seldom loop-shaped. Buccal cavity with large dorsal tooth and smaller subventral teeth. Pharynx with oval or circular posterior bulb. Spicules short, arcuate, with capitulum and velum. Precloacal supplements sometimes present, usually pore-like, seldom consisting of cuticular swellings or flaps. Tail usually conical, seldom conico-cylindrical.