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Taxonomic review of the genus Opaliopsis (Gastropoda: Nystiellidae) from Brazil, with description of a new species

Published online by Cambridge University Press:  28 February 2011

Bruno Garcia Andrade ,
Paulo Márcio Santos Costa  and
Alexandre Dias Pimenta
Bruno Garcia Andrade*
Affiliation:
Setor de Malacologia, Departamento de Invertebrados, Museu Nacional, Universidade Federal do Rio de Janeiro, Brazil
Paulo Márcio Santos Costa
Affiliation:
Setor de Malacologia, Departamento de Invertebrados, Museu Nacional, Universidade Federal do Rio de Janeiro, Brazil
Alexandre Dias Pimenta
Affiliation:
Setor de Malacologia, Departamento de Invertebrados, Museu Nacional, Universidade Federal do Rio de Janeiro, Brazil
*
Correspondence should be addressed to: B.G. Andrade, Setor de Malacologia, Departamento de Invertebrados, Museu Nacional, Universidade Federal do Rio de Janeiro, Brazil email: [email protected]
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Abstract

The genus Opaliopsis from Brazil is revised based on three deep-water species. Opaliopsis atlantis (Clench & Turner, 1952) is confirmed as occurring in north-eastern and south-eastern localities. Opaliopsis opalina (Dall, 1927) is reported for the first time in the south-western Atlantic. A new species, Opaliopsis cearense, is described from the north-eastern Brazilian coast, and is distinguished by its large number of fine spiral cords per teleoconch whorl.

Keywords

EpitonioideaCaenogastropodataxonomyconquiliologySouth AmericaAtlantic Oceanbiodiversity
Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 91 , Issue 7 , November 2011 , pp. 1561 - 1566
Copyright
Copyright © Marine Biological Association of the United Kingdom 2011

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