Mass: 58.0 g based on da Fonseca and Kierulff 1988 and Mares et al. 1986

Abundance: 0.31 to 40.59% (median 24.50%)

Latitudinal range: -24.5° to 10.1°

Habitats: (1), tropical/subtropical dry broadleaf forest (3)

Found in 4 samples

Brazil: Abismo Iguatemi (Late Pleistocene)

Peru: Reserva Cuzco Amazónico (1989 snap traps), Reserva Cuzco Amazónico (1990 snap traps)

Venezuela: Parque Nacional Guatopo

♀ body mass	63 g	N = 1	da Fonseca and Kierulff 1988
♂ body mass	60 g	N = 1	da Fonseca and Kierulff 1988
body mass	40 g	N = 1	Mares et al. 1986
body mass	75 g	N = 1	Mares et al. 1986
♀ ear length	21 mm	N = 1	da Fonseca and Kierulff 1988
♂ ear length	22 mm	N = 1	da Fonseca and Kierulff 1988
♀ head and body length	132 mm	N = 1	da Fonseca and Kierulff 1988
♂ head and body length	122 mm	N = 1	da Fonseca and Kierulff 1988
♀ hind foot length	34 mm	N = 1	da Fonseca and Kierulff 1988
♂ hind foot length	32 mm	N = 1	da Fonseca and Kierulff 1988
hind foot length	29.9 mm	N = 20	Fleming 1970
♀ tail length	129 mm	N = 1	da Fonseca and Kierulff 1988
♂ tail length	115 mm	N = 1	da Fonseca and Kierulff 1988
tail length	125.3 mm	N = 20	Fleming 1970
total body length	252.5 mm	N = 20	Fleming 1970

See also Oryzomys, Oryzomys alfaroi, Oryzomys angouya, Oryzomys chapmani, Oryzomys couesi, Oryzomys longicaudatus, Oryzomys melanotis, Oryzomys nigripes, Oryzomys palustris, Oryzomys sp.