Dupontia proletaria (Morelet, 1860)



Taxonomy & Nomenclature

Synonym/s: Nanina Geoffreyi Adams, 1868 (original combination [geoffreyi); Dupontia geoffreyi Adams, 1868


Conservation Status

Last record: 1938 (Mauritius); year? (Réunion)

Rediscovered in ?

IUCN RedList status: Extinct


The last record from Mauritius is 1938, and hence may be extinct there. Still apparently survives on Réunion (as D. geoffreyi?). Listed as extinct by (Cowie et al., 2017).



Mauritius & Réunion, Mascarene Islands


Biology & Ecology










Baillie, J. and Groombridge, B. (eds). (1996). 1996 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.

Cowie, Robert H., Régnier, Claire, Fontaine, Benoît, and Bouchet, Philippe. (2017). Measuring the Sixth Extinction: what do mollusks tell us? The Nautilus 131(1): 3-41.

Griffiths, Owen Lee. (1996). Dupontia proletaria. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.1. ( Downloaded on 15 July 2013.

Griffiths, O. 1996. Dupontia proletaria. The IUCN Red List of Threatened Species 1996: e.T6917A12813808. Accessed on 01 July 2022.

Griffiths, Owen Lee and Florens, Francois Benjamin Vincent. (2006). A Field Guide to the Non-Marine Molluscs of the Mascarene Islands: (Mauritius, Rodrigues and Reunion) and the Northern Dependencies of Mauritius. Mauritius: Bioculture Press. [p. 120-121]


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