Article 3
Description of three new species of Protoancylodiscoides (Monogenea, ancyrocephalidae) gill parasites from Chrysichthys nigrodigitatus and Chrysichthys longidorsalis (Siluriformes, Claroteidae) in the Sanaga River (Cameroon)
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E. D. BASSOCK BAYIHA1*, J. NACK2, A. R. BITJA NYOM3, A. PARISELLE4, C. F. BILONG BILONG1
1 Faculty of Science, University of Yaoundé I, PO Box812, Yaoundé, Cameroon
2 University of Douala, Faculty of Science, PO Box 24157 Douala, Cameroon
3 University of Ngaoundéré, Faculty of Science, PO Box 454 Ngaoundéré, Cameroon
4 Institut des Sciences de l’Évolution de Montpellier, IRD, BP 1857, Yaoundé, Cameroun
* Corresponding author:
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ABSTRACT. – Host specimens were sampled in the River Sanaga (Cameroon) from January to October 2014 and August 2015. Three new species, Protoancylodiscoides sanagaensis n. sp., Protoancylodiscoides valentini n. sp. from Chrysichthys nigrodigitatus and Chrysichthys longidorsalis in the middle course and downstream, Protoancylodiscoides spirovagina n. sp. from Chrysichthys nigrodigitatus downstream, are herein described. These new helminths differ from the congeneric species by the size of the haptoral sclerites, the male copulatory organ and the morphology of the vagina.
