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Revista Brasileira de Zoologia

Print version ISSN 0101-8175

Rev. Bras. Zool. vol.18 no.4 Curitiba Dec. 2001 

Brasacanthus sphoeroides gen. n., sp. n. (Acanthocephala, Echinorhynchidae) from a coastal marine fish of Paraná State, Brazil1



Vernon E. Thatcher

Departamento de Zoologia, Universidade Federal do Paraná. Caixa Postal 19020, 81531-990 Curitiba, Paraná, Brasil. Research fellow of the CNPq




Brasacanthus sphoeroides gen. n.. sp. n. is described from the marine fish, Sphoeroides greeleyi (Steindachner), taken in Paranaguá Bay, Paraná State, Brazil. The new genus differs from Acanthocephalus Koelreuter, 1771, the nearest genus in the family Echinorhynchidae, by having very flat and variable lemnisci in both sexes and a uterine egg reservoir in the female. The species is characterized by its spherical body form and in having parallel or diagonal testes.

Key words: Acanthocephala, fish parasite, puffer parasite, Paraná, Brazil, South America



Full text available only in PDF format.



ACKNOWLEDGEMENT. The author is grateful to Walter P. Boeger, Departamento de Zoologia. Universidade Federal do Paraná, Curitiba, Brazil, for making these specimens available for study.



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Recebido em 25.V.2001; aceito em 01.XI.2001.



1 Contribuição número 1338 do Departamento de Zoologia, Universidade Federal do Paraná.

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