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THE TAXONOMY OF SOME POECILACANTHOIDEA (EUCESTODA: TRYPANORHYNCHA) FROM ELASMOBRANCHS OFF THE SOUTHERN COAST OF BRAZIL
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Specimens of elasmobranchs, collected in the State of Santa Catarina, Brazil, were parasitized with Poecilacanthoidea trypanorhynch cestodes. Sharks of the species Prionace glauca harboured Callitetrarhynchus gracilis and Floriceps saccatus, and those of the species Sphyrna zygaena were infected with Callitetrarhynchus speciosus. Details of the proglottids of F. saccatus, provided by bright-field, and/or scanning electron microscopy, are described. Adults of F. saccatus are reported for the first time in the Brazilian coast.
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