| Kingdom: | Animalia |
| Phylum: | Chordata |
| Subphylum: | Vertebrata |
| Class: | Mammalia |
| Order: | Rodentia |
| Suborder: | Histricomorpha |
| Family: | Octodontidae |
- Genus
- species – Common Name
- Aconaemys
- fuscus – Rock Rat
- Octodon
- bridgesi, degus, lunatus – Degus
- Octodontomys
- gliroides – Chozchoz
- Octomys
- barrerae, mimax – Viscacha Rat
- Scalacopus
- cyanus – Coruro
