Genus Gryllophila Basir, 1942

Generic diagnosis. Female: Cephalic extremity formed by circumoral annule and posterior expanded annule. Mouth opening surrounded by eight labiopapillae and a pair of amphids. Oesophageal corpus cylindrical, isthmus cylindrical. Vulva in posterior quarter of the body. Vagina long and anteriorly directed. Uterus extending anteriorly and flexing posteriorly before dividing into two branches. Gonads amphidelphic. Eggs very large, with or without spine-like outgrowths, elongate, deposited in string held together by uterine secretions. Tail conical to attenuate. Male: Cephalic extremity formed by single expanded annule. Caudal extremity with prominent genital cone. Caudal papillae 3–6 pairs, single median papilla present or absent. Spicule single. Caudal appendage, narrowing abruptly posterior to last pair of caudal papillae, rest of the papillae borne on genital cone.