Ahmad & Jairajpuri, 1989
Diagnosis: Body 0.8 - 1.4 mm long. Cuticle thick, with fine
transverse striations. Lip region amalgamated, truncate, continuous
with body or set off by slight depression. Labial and post-labial
sclerotization absent. Amphids with stirrup-shaped fovea. Guiding
ring single. Odontostyle massive, wide, usually thickened at tip,
ventral arm slightly bent near middle, aperture about one-third length.
Odontophore rod-like. Expanded part of esophagus 40-47% of esophageal
length; S1N at some distance from each other, S2N
far from base of esophagus. Cardia short, hemispheroid. Female
reproductive system amphidelphic, the two genital branches equally developed
and functional. Vulva longitudinal; vagina with strong distal sclerotization.
Male with dorylaimoid spicules, lateral guiding pieces and 12-15 ventromedian
supplements arranged in a series. Female tail short, convex-conoid
or cylindroid with broadly rounded tip and slight projection. Male
tail short, conoid, with rounded tip.
Type and only species: Coomansinema dimorphicauda Ahmad
& Jairajpuri, 1989
(Description- Ahmad & Jairajpuri, 1992)