García-Vásquez, A., Hansen, H., Christison, K.W., Bron, J.E. & Shinn, A.P. | In press | Description of three new species of Gyrodactylus von Nordmann, 1832 (Monogenea) parasitising Oreochromis niloticus niloticus (L.) and O. mossambicus (Peters) (Cichlidae) | Acta Parasitologica | | |