Females:
Cuticle smooth or finely striated, usually with scattered setae.
Body length 0.8-1.4 mm.
Head with 4, 6 or 8
cephalic setae.
Stoma broad and shallow, opening into funnel shaped beginning of esophagus lumen.
Stoma without teeth or denticles.
Amphids circular,
within 1 head width of anterior.
Ocelli may be opresent in aquatic forms.
Esophagus cylindrical. Terminal bulb may be present or absent.
Esophago-intestinal valve spheroid.
Ovary single, outstretched. Vulva usually betwee 55 and 75% of body
length.
Caudal glands in tail with
duct to short
spinneret at tail tip.
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