On two new nematodes from freshwater fishes in the Sudan of the genus Spironoura Leidy, 1856 and the relation of Spironoura to the genus Velariocephalus Singh, 1958.
D000818:Animals; D005399:Fishes / Q000469:parasitology*; D005618:Fresh Water; D009348:Nematoda; D013397:Sudan
FISH/parasitology; NEMATODA