H.  Katahira and Nagasawa, K., ?Echinorhynchus hexagrammi Baeva, 1965 (Acanthocephala: Echinorhynchidae) from marine fishes off Hokkaido, Japan, with morphological observations and new host records?, Systematic ParasitologySyst. Parasitol., vol. 80, no. 1, pp. 35 - 40, 2011.

O. M.  Amin, Heckmann, R. A., Halajian, A., and El-Naggar, A. M., ?The morphology of an unique population of Corynosoma strumosum (Acanthocephala, Polymorphidae) from the Caspian seal, Pusa caspica, in the land-locked Caspian Sea using SEM, with special notes on histopathology?, Acta ParasitologicaActa Parasitol., vol. 56, no. 4, pp. 438 - 445, 2011.

O. M.  Amin, O?uz, M. C., Heckmann, R. A., Tepe, Y., and Kvach, Y., ?Acanthocephaloides irregularis n. sp. (Acanthocephala: Arhythmacanthidae) from marine fishes off the Ukrainian Black Sea coast.?, Syst Parasitol, vol. 80, no. 2, pp. 125-35, 2011.