Subspecies and Distribution. A.o.olrogiWilliams&Mares,1978—NWArgentina(WCCatamarcaProvince). A. o. roigi Mares & Braun, 1996 — NW & WC Argentina (E Catamarca, La Rioja, W Santiago del Estero, and San Luis provinces); records from Mendoza Province need confirmation based on voucher material. in Cricetidae

Subspecies and Distribution. A.o.olrogiWilliams&Mares,1978—NWArgentina(WCCatamarcaProvince). A. o. roigi Mares & Braun, 1996 — NW & WC Argentina (E Catamarca, La Rioja, W Santiago del Estero, and San Luis provinces); records from Mendoza Province need confirmation based on voucher material.Published as part of Don E. Wilson, Russell A. Mittermeier & Thomas E. Lacher, Jr, 2017, Cricetidae, pp. 204-535 in Handbook of the Mammals of the World – Volume 7 Rodents II, Barcelona :Lynx Edicions on page 531, DOI: 10.5281/zenodo.670714