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Imposex in Olivancillaria vesica vesica (Gmelin) (Gastropoda, Olividae) from a Southeastern Brazilian sandy beach

Imposex, the development of male sex organs on the female, is registered and described for Olivancillaria vesica vesica (Gmelin, 1791) at Restinga da Marambaia beach, Rio de Janeiro state, Brazil.

Gastropoda; Olividae; Olivancillaria vesica vesica; imposex; sandy beaches; Rio de Janeiro; Brazil


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