Chaco grass mouse
- kingdom: Animalia
- phylum: Chordata
- class: Mammalia
- order: Rodentia
- family: Cricetidae
- genus: Akodon
- species: Akodon toba
Aviá Terai
Chaco- Caimancito
Jujuy
Argentina
Filadelfia
Boquerón- Nanawa
Presidente Hayes
Paraguay