Latitudinal range: -37.9° to -9.5°

Habitats: tropical/subtropical savanna (6), tropical/subtropical dry broadleaf forest (1)

Found in 8 samples

Argentina: Pedro Gómez Cello, Cueva El Abra (Holocene)

Brazil: Araguaia National Park (grasslands), Fazenda Santa Fé, Fazenda Lago Verde, Uberlândia

Peru: Aguas Claras Camp (traps), Cocha Paujil (traps)

condyloincisive length	26.6 mm	N = 1	Thomas 1921
ear length	16 mm	N = 1	Thomas 1921
head and body length	106 mm	N = 1	Thomas 1921
head and body length	120 mm	N = 1	Thomas 1921
hind foot length	25 mm	N = 1	Thomas 1921
skull length	29 mm	N = 1	Thomas 1921
skull length	30.3 mm	N = 1	Thomas 1921
skull width	15.5 mm	N = 1	Thomas 1921
tail length	106 mm	N = 1	Thomas 1921
upper tooth row length	4.8 mm	N = 1	Thomas 1921

See also Pseudoryzomys