Mass: 17.7 g based on Barros-Battesti et al. 2000, Bueno and Motta-Junior 2008, Camargo et al. 2015, Cirignoli et al. 2011, Galetti et al. 2015, Vieira et al. 2006, Vieira et al. 2003, and Weksler and Bonvicino 2005

Diet: herbivore based on Talamoni et al. 2008

Abundance: 0.14 to 30.00% (median 9.23%)

Latitudinal range: -30.7° to -16.2°

Habitats: tropical/subtropical dry broadleaf forest (11), tropical/subtropical moist broadleaf forest (5), tropical/subtropical savanna (6)

Found in 22 samples

Argentina: Pedro Gómez Cello, Jacinto L. Arauz

Brazil: Mineraçäo Rio Tinto Reunidas (2000-2002, middle altitude forest), Caucaia do Alto (pitfall traps), Caucaia do Alto (Sherman traps), Sertäozinho (Y10), Fazendinha Agroecológica do km 47 (Fragment A), Ilhas do Barbados (fragment A), Angatuba (native vegetation), Angatuba (abandoned pasture), Angatuba (Eucalyptus forest), Vargem Grande, Itamambuca, Ecological Station of Itirapina, Saibadela, Barra Grande, Campos de Altitude, Itapevi (dry season, April to September 1995), Uberlãndia, Morro do Elefante (live traps), Morro do Elefante (pitfall traps), Fazenda Aparecida

♀ body mass	20.3 g	N = 5	Barros-Battesti et al. 2000
♂ body mass	23.9 g	N = 7	Barros-Battesti et al. 2000
body mass	11.09 g	N = 41	Bueno and Motta-Junior 2008
body mass	21.5 g	N = 22	Camargo et al. 2015
body mass	29 g	N = 10	Cirignoli et al. 2011
body mass	16 g	N = 63	Galetti et al. 2015
body mass	23 g	N = 1	Vieira et al. 2006
body mass	29 g	N = 5	Vieira et al. 2003
body mass	25.4 g	N = 29	Weksler and Bonvicino 2005
condyloincisive length	22.9 mm	N = 31	Weksler and Bonvicino 2005
♀ ear length	16.2 mm	N = 5	Barros-Battesti et al. 2000
♂ ear length	15.9 mm	N = 7	Barros-Battesti et al. 2000
ear length	15.3 mm	N = 10	Cirignoli et al. 2011
ear length	17 mm	N = 44	Weksler and Bonvicino 2005
♀ head and body length	93.8 mm	N = 5	Barros-Battesti et al. 2000
♂ head and body length	98.7 mm	N = 7	Barros-Battesti et al. 2000
head and body length	92.0 mm	N = 44	Weksler and Bonvicino 2005
♀ hind foot length	21.6 mm	N = 5	Barros-Battesti et al. 2000
♂ hind foot length	23.0 mm	N = 7	Barros-Battesti et al. 2000
hind foot length	25.5 mm	N = 10	Cirignoli et al. 2011
hind foot length	24.8 mm	N = 42	Weksler and Bonvicino 2005
skull length	25.5 mm	N = 31	Weksler and Bonvicino 2005
skull width	13.3 mm	N = 35	Weksler and Bonvicino 2005
♀ tail length	118.6 mm	N = 5	Barros-Battesti et al. 2000
♂ tail length	121.4 mm	N = 7	Barros-Battesti et al. 2000
tail length	122 mm	N = 10	Cirignoli et al. 2011
tail length	116 mm	N = 43	Weksler and Bonvicino 2005
total body length	228.2 mm	N = 10	Cirignoli et al. 2011
upper tooth row length	3.7 mm	N = 35	Weksler and Bonvicino 2005

See also Oligoryzomys, Oligoryzomys O. flavescens-O. fornesi, Oligoryzomys chacoensis, Oligoryzomys flavescens, Oligoryzomys fornesi, Oligoryzomys fulvescens, Oligoryzomys longicaudatus, Oligoryzomys microtis, Oligoryzomys sp., Oligoryzomys spp.