• Small nematodes, 0.3 to 0.7 mm
• Cuticle with coarse striations
• Labial region bilaterally symmetrical and inclined ventrally. Bordered by lateral fin-like structures.
• Lips large, leaf-like, widely separated
• Three labial probolae, not extending beyond lips
• Slit-like amphid apertures.
• Stoma short or long, consisting os a series of elements.
• Esophagus with corpus, isthmus and posterior bulb.
• Female monodelphic prodelphic; ovary reflexed beyond
• Male with cephaloboid spicules; no bursa.
• Tail short vulva.

Ref: Heyns, 1962; Andrassy, 2005.