Nematodes from West Bengal (India XII). Dorylaimus innovatus sp.n., Thonus confusus sp. n. and Indokochinema ekramullahi sp.n. (Dorylaimoidea).

Dorylaimus innovatus sp. n. has L=4.2 mm, cuticle marked with 34–36 longitudinal lines on the surface, lip region marked by a depression, odontostyle 47–52 μm long; male with 110 μm long spicules and a series of 44 contiguous ventromedian supplements. Thonus conlusus sp. n. has L=1.1–1.3 mm; lip region offset by a slight constriction, odontostyle 11–12 μm long with 41–42% aperture, female with rounded tail; male with 47–52 μm long spicules, 14–16 contiguous ventromedian supplements and bluntly rounded tall. Indokochinema ekramullahi sp. n. has L=1.1–1.3 mm, lip region offset by a constriction and wider than adjoining body, amphids stirrup-shaped in labial region, and dorsally convex-conoid tail with rounded terminus.