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Body slender, Cuticle with fine transverse striations, Lateral chord
occupying 14–17% of the body diameter at mid-body.
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Lip region rounded, offset by a constriction, about 0.3 times as
wide as body diameter at posterior end of esophagus.
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Lips practically amalgamated, labial papillae protruding.
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Amphidial foveae cup shaped, opening at the level of the
constriction, apertures about 0.6 times as wide as lip region width.
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Odontostyle asymmetrical, with a distinct lumen.
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Odontophore arcuate, narrowing posteriorly, about 0.8 times as long
as the odontostyle.
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Guiding ring distinct and single.
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Esophagus in three parts, anterior slender, narrower isthmus-like
portion and a cylindrical basal expansion which occupies 21–28% of
the total esophageal length.
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Cardia short, rounded.
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Prerectum 3.3–5.9 times and rectum length 0.9–1.5 times the body
diameter at anus.
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Tail elongate conoid with rounded terminus, posterior region bent
dorsally, 2.8–3.9 times the anal body diameter long.
Female:
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Genital system didelphic-amphidelphic; ovaries reflexed, usually
reaching the junction of oviduct and uterus
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Oviduct consists of a wider pars
dilatata and
a slender part; sphincter present at the junction of oviduct and
uterus.
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Uterus simple and with a wide lumen
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Vulva transverse.
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Vagina extending inwards 45–56.5% of corresponding body width. Pars
proximalis vaginae with
thick walls; pars
refringens absent.
Ref: Wu et al., 2019
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