Female: Small, under 0.5 mm, vermiform or swollen in prevulval
region. Labial framework weakly sclerotized. Stylet
(41-119 um), flexible. Excretory pore from level of base of stylet to level
of nerve ring. Annuli smooth, more rarely (three species) with small tubercles.
Juvenile: Resembling female. Stylet generally present,
Species found: at: