Gc. Pavanelli et Rm. Takemoto, NEW SPECIES OF PROTEOCEPHALUS (CESTODA, PROTEOCEPHALIDAE) PARASITIC IN FISHES FROM THE PARANA RIVER, PARANA, BRAZIL, Memorias do Instituto Oswaldo Cruz, 90(5), 1995, pp. 593-596
Two species of the genus Proteocephalus (Cestoda: Proteocephalidae) we
re collected in fishes fr om the Parana River. Proteocephalus vazzoler
ae n. sp. from Piaractus mesopotamicus and Proteocephalus chubbi n. sp
. from Gymnotus carapo are new species, and are described and illustra
ted. Proteocephalus vazzolerae n. sp. is characterized mainly by the n
umber of testes and the development of vitellaria. Proteocephalus chub
bi n. sp. can be differentiated from ifs congeners by a combination of
characters which include, number of testes, number of proglottids; st
robila length, scolex shape and disposition of vitellaria. This is the
first record of proteocephalidean in P. mesopotamicus and G. carapo.