Wiedomys pyrrhorhinos (Wied-Neuwied, 1821) . Reise nach Brasilien, 2:177.
TYPE LOCALITY: Brazil, Bahia, caatingas along the Riacho da Ressaca, between the farms Tamboril and Ilha (as clarified by Avila-Pires, 1965) .
DISTRIBUTION: SE Brazil from Ceara to Rio Grande do Sul.
COMMENTS: Locality records clarified by Pine (1980b).