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O. M.  Amin, Heckmann, R. A., Radwan, N. A. E., Anchundia, J. S. M., and Alcivar, M. A. Z., ?Redescription of rhadinorhynchus ornatus (Acanthocephala: Rhadinorhynchidae) from skipjack Tuna, katsuwonus pelamis, collected in the pacific Ocean off South America, with special reference to new morphological features?, Journal of ParasitologyJ. Parasitol., vol. 95, no. 3, pp. 656 - 664, 2009.