(Dupontia proletaria)
This species was described in 1860; it was restricted to the island of Mauritius and is now extinct.
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References:
[1] Robert H. Cowie; Claire Régnier; Benoît Fontaine; Philippe Bouchet. Measuring the Sixth Extinction: what do mollusks tell us? The Nautilus 131(1): 3-41. 2017
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edited: 29.01.2024