| Kingdom: | Animalia |
| Phylum: | Chordata |
| Subphylum: | Vertebrata |
| Class: | Mammalia |
| Order: | Rodentia |
| Suborder: | Histricomorpha |
| Family: | Ctenomyidae |
- Genus
- species – Common Name
- Ctenomys Chacomys
- conoveri – Tuco-tuco
- Ctenomys Ctenomys
- australis, azarae, boliviensis, brasiliensis, colburni, coludo, dorsalis, emilianus, famosus, frater, fulvus, johanis, knighti, latro, leucodon, lewisi, magellanicus, maulinus, mendocinus, minutus, nattereri, occultus, opimus, perrensis, peruanus, pontifex, porteousi, robustus, saltarius, sericeus, steinbachi, tatarum, torquatus, tuconax, tucumanus, tulduco, validus – Tuco-tuco
