Wiedomys pyrrhorhinos (Wied-Neuwied, 1821) . Reise nach Brasilien, 2: 177.

TYPE LOCALITY: Brazil, Bahia Prov., Rio Ressaro .

DISTRIBUTION: E. Brazil; perhaps Paraguay.

COMMENT: This species has been included in Oryzomys and in Thomasomys; see Hershkovitz, 1959, Proc. Biol. Soc. Wash., 72:5- 10; also see Pine, 1980, Mammalia, 44: 195.

ISIS NUMBER: 5301410008057001001.