Two New Cestode Species of Phoreiobothrium (Onchoproteocephalidea) from Two Carcharhinid Sharks of the Persian Gulf, with the First Report of Variation in Distribution of Vitelline Follicles of the Genus.

Along with the description of the two new species increasing the number of members of the genus in the Iranian coastal waters from three to five, for the first time a variation in distribution of the vitelline follicles is reported for Phoreiobothrium in this paper.