Oryzomys dimidiatus (Thomas, 1905) . Ann. Mag. Nat. Hist., ser. 7, 15: 586.

REVIEWED BY: R. D. Owen (RDON).

TYPE LOCALITY: Nicaragua, Rio Escondido, 7 mi. (11 km) below Rama .

DISTRIBUTION: Nicaragua.

COMMENT: Subgenus Oryzomys; see Hall, 1981:608, 612. Formerly included in subgenus Micronectomys which Hershkovitz, 1970, J. Mammal., 51:791, and Pine and Wetzel, 1975, Mammalia, 39:353, considered a nomen nudum. Known only from two specimens; see Genoways and Jones, 1971, J. Mammal., 52:833-834, who considered dimidiatus in subgenus Micronectomys .