| Large Vesper Mouse | |
|---|---|
| Conservation status | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Rodentia |
| Family: | Cricetidae |
| Genus: | Calomys |
| Species: | C. callosus |
| Binomial name | |
| Calomys callosus Rengger, 1830 |
|
The Large Vesper Mouse, Calomys callosus, is a rodent species from South America. It is found in Argentina, Bolivia, Brazil and Paraguay.
It is particularly notable as the vector of Bolivian hemorrhagic fever.