Diagnosis: Body small-sized, about 1 mm long.
Cuticle finely striated. Lip region well marked with prominent papillae.
Amphids abnormally large. Oral opening and pharynx circular.
Odontostyle attenuated, with narrow lumen and sharply pointed tip.
Guiding ring single, usually indistinct. Oesophagus gradually enlarging
near middle; duct of dorsal gland long, its nucleus small and located at
some distance from gland opening. Openings of anterior pair of ventrosub-lateral
glands widely separated from each other and located in anterior half of
oesophageal enlargement; openings of posterior pair close-set and at some
distance from base of oesophagus. Cardia rounded, usually surrounded
anteriorly by prominent glandular tissues. Vulva transverse, pore
or slit-like. Female reproductive system mono-opisthodelphic or amphidelphic.
Males with dorylaimoid spicules, lateral guiding pieces and two-six spaced
mammiliform ventromedian supplements. Tail elongate-conoid, with
tip dorsally or ventrally directed; similar in sexes.
Type species: Oriverutus sundarus (Williams,
1964) Siddiqi, 1971.
-From Jairajpuri and Ahmad, 1992