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    The spiral intestines of 40 specimens of Urobatis halleri from the northern Gulf of California, Mexico, were examined for cestodes. Four new species, Rhinebothrium chollaensis n. sp., Rhinebothrium gravidum n. sp., Eutetrarhynchus cortezensis n. sp., and Prochristianella minima n. sp., are described. This is the first record of these 3 genera in the Gulf of California and the first report of Eutetrarhynchus in U. halleri.

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    Friggens, Megan M.; Duszynski, Donald W. 2005. Four new cestode species from the spiral intestine of the round stingray, Urobatis halleri, in the Northern Gulf of California, Mexico. Comparative Parasitology. 72(2): 136-149.


    Cestode, Trypanorhyncha, Tetraphyllidea, Rhinebothrium, Prochristianella, Eutetrarhynchus, Elasmobranch, Urobatis halleri, Sea of Cortez, Stingray

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