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Revista Brasileira de Zoologia

Print version ISSN 0101-8175

Rev. Bras. Zool. vol.16 no.1 Curitiba Mar. 1999 

The anatomy of Cochlespira Conrad (Gastropoda, Conoidea, Turridae) with a description of a new species from the Southeastern coast of Brazil



Luiz Ricardo L. Simone

Museu de Zoologia, Universidade de São Paulo. Caixa Postal 42694, 04299-970 São Paulo, São Paulo, Brasil. E-mail:




The anatomy of Cochlespira elongata, a new species from continental slope of São Paulo coast, Brazil, is described. This analysis shows some interesting characters in the foregut, with rhynchodeal walls muscular and free from the haemocoel and insertion of venom gland in mid region of the esophagus; in the osphradium, with bilobed right filaments; and in the penis, with a complex arrangement of structures in the tip. A complementary description of Cochlespira radiata (Dall, 1889a) from Florida, USA, is also given, for a better comparison between both species.

Key words: Gastropoda, Conoidea, Turridae, Cochlespira radiata, systematics



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ACKNOWLEDGMENTS. I thank to M. Alan R. Kabat, Division of Mollusks, National Museum of Natural History, Smithsonian Institution, USA, for the loan of C. radiata specimens; Dr. John D. Taylor, Natural History Museum, London, for suggestive reading and comments on foregut anatomy; Prof. Dr. Ana Maria Vanin of IOUSP for the C. elongata specimens; Marcio V. Cruz of Instituto de Biociências, USP in helping SEM exam of specimens. This study is funded by the "Fundação de Amparo à Pesquisa do Estado de São Paulo'" (FAPESP) research grant #96/06756-2.



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Recebido em 19.IX.1997; aceito em 25.I.1999.

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