Latitudinal range: -38.6° to -18.9°

Habitats: tropical/subtropical savanna (1)

only

Found in 4 samples

Argentina: Paso Otero (paleocauce) (Pleistocene - Holocene), Cueva El Abra (Holocene)

Brazil: Uberlândia, Abismo Iguatemi (Late Pleistocene)

See also Calomys, Calomys C. laucha-C. musculinus, Calomys callosus, Calomys cerqueirai, Calomys expulsus, Calomys gidleyi, Calomys laucha, Calomys musculinus, Calomys tener, Calomys tocantinsi, Calomys venustus, Calomys yazhi