Holochilus chacarius
| Holochilus chacarius | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Mammalia | 
| Order: | Rodentia | 
| Family: | Cricetidae | 
| Subfamily: | Sigmodontinae | 
| Genus: | Holochilus | 
| Species: | H. chacarius | 
| Binomial name | |
| Holochilus chacarius Thomas, 1906 | |
Holochilus chacarius, also known as the Chacoan marsh rat or Chaco marsh rat, is a semiaquatic species of rodent in the family Cricetidae. It is found in Argentina and Paraguay within the Gran Chaco.