| Slender Oldfield mouse | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Rodentia |
| Family: | Cricetidae |
| Subfamily: | Sigmodontinae |
| Genus: | Thomasomys |
| Species: | T. gracilis
|
| Binomial name | |
| Thomasomys gracilis Thomas, 1917
| |
The slender Oldfield mouse (Thomasomys gracilis) is a species of rodent in the family Cricetidae. It is found in Ecuador and Peru.