Vermeij and Wesselingh (2002: 267, figs. 3 and 4) named a small freshwater gastropod from the Pebas Formation (middle Miocene) of Peruvian Amazonia as ?Nassarius reductus new species. This name turns out to be a secondary homonym of Nassa reticulata var. reductaDollfus, 1926 (p. 103–106), a taxon from the Pliocene of Albania. The genus name Nassa as used by Dollfus is a misused variant on the correct genus name NassariusDuméril, 1806. Although the Peruvian species is clearly not a Nassarius in the strict sense (restricted to the marine Indo-West Pacific region) a global phylogenetic analysis...

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