title: A new nematode Spirocotyle otolithi n. gen, n.sp, (Camallanidae Railliet and Henry, 1915) from the fish Otolithus rubber (Schneider) of Karachi coast.
abstract: A new genus and species of camallanid nematode Spirocotyle otolithi is described here from the fish Otolithus rubber (Schneider) of Karachi coast. This is a medium sized nematode, pointed to its posterior extremity in male and blunt in female, with a buccal capsule oval in shape in both the sexes and having a sucker like structure in its anterior extremity. The wall of the buccal capsule is provided with fifteen spiral thicknings. Two unequal spicules are present in male. Ten pairs of caudal papillae are present, including five pairs preanal, four pairs postanal and one adanal. Valva in female is prominent, post equatorial
authors.affiliation: Department of Botany, Jinnah University for Women, Nazimabad, Karachi 74600, Pakistan.
authors.forename: A
authors.initials: A
authors.lastname: Yasmin
authors.forename: F M
authors.initials: FM
authors.lastname: Bilqees
mesh_terms: D000818:Animals; D005260:Female; D005399:Fishes / Q000469:parasitology*; D008297:Male; D009348:Nematoda / Q000302:isolation & purification*