title: Paraquadriacanthus nasalis gen. et sp. n. (Monogenea: Ancyrocephalidae) from Clarias lazera Cuvier et Valenciennes.
abstract: Paraquadriacanthus nasalis gen. et sp. n. (Monogenea: Ancyrocephalidae) is described from the nasal cavities of the freshwater fish, Clarias lazera Cuvier et Valenciennes (Clariidae) from the River Nile near Cairo, Egypt.
authors.affiliation: Institute of Parasitology, Czechoslovak Academy of Sciences, Ceské Budĕjovice.
authors.forename: R
authors.initials: R
authors.lastname: Ergens
mesh_terms: D000818:Animals; D004534:Egypt; D005393:Fish Diseases / Q000469:parasitology*; D005399:Fishes; D005618:Fresh Water; D009296:Nasal Cavity / Q000469:parasitology; D014200:Trematoda / Q000033:anatomy & histology* / Q000145:classification; D014201:Trematode Infections / Q000469:parasitology / Q000662:veterinary*