The unusual fresh-water bivalve Guianadesma sinuosum Morrison, 1943, hitherto known only from Guayana and Surinam, is recorded for the first time from the central Amazon basin of Brazil.

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Nederlandse Malacologische Vereniging

Andreas Leistikow, & Ronald Janssen. (1997). A record of the bivalve Guianadesma sinuosum Morrison from the central Amazon basin (Bivalvia: Corbulidae). Basteria, 61(1/3), 17–22.