Halysioncum kishiense sp. n. and Echinobothrium parsadrayaiense sp. n. (Cestoda: Diphyllidea) from the banded eagle ray, Aetomylaeus cf. nichofii off the Iranian coast of the Persian Gulf
2014
Moghadam, M.M.M., University of Guilan, Rasht (Iran Islamic Republic). Dept. of Biology | Haseli, M., University of Guilan, Rasht (Iran Islamic Republic). Dept. of Biology
Two new species of two genera of the order Diphyllidea Halysioncum Caira and Echinobothrium sensu stricto are described from Aetomylaeus cf. nichofii off the Iranian coast of the Persian Gulf. Halysioncum kishiense sp. n. differs from all other congeners in the number of apical hooks with the exception of H. hoffmanorum and H. pigmentatum. Halysioncum kishiense sp. n. can be easily differentiated from H. hoffmanorum and H. pigmentatum by the number of hooklets and testis numbers. Echinobothrium parsadrayaiense sp. n. is differentiated from all its congeners except for E. acanthinophyllum by its hook formula. The number of spines per column on the cephalic peduncle, the number of testes and possession of a thick-walled rather than thin-walled vagina distinguish E. parsadrayaiense sp. n. from E. acanthinophyllum. To date, with these two new species, five species of Diphyllidea have been reported from the Persian Gulf.
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