New species of Synodontella (Monogenea, Ancyrocephalidae) gill parasites of two Synodontis spp. (Pisces, Mochokidae) from the Boumba River (Congo Basin, East Cameroon)
Jonathan A. Mbondo, Jacques Nack, Arnold R. Bitja Nyom, Antoine Pariselle and Charles F. Bilong Bilong