Wasim AhmadShamim Jairajpuri, M.2014-05-292014-05-291983Revue Nematol. 6(1): 65-72 (1983)http://hdl.handle.net/123456789/2007Three new species of Dorylaimoididae Siddiqi, 1969 are described and illustrated. Dorylaimoides chamoliensis n. sp. differs from the closely related D. teres and D. indicus in having wider body, longer spicules and short and differently shaped tail. Dorylaimoides kalingus n. sp. differs from the closely related D. pretoriensis in having smaller and narrower body, longer oesophagus, smaller spicules and longer and differently shaped tail, from D. arcuatus in having a set of basal oesophageal bulb, posterior vulva and smaller tail. Calolaimus amphidius n. sp. differs from the closely related C. lenorus and C. notus in having shorter body, thick-walled amphids and in the size of tail. A key to species of Calolaimus has been provided.enArticle