| Chacoan gracile opossum | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Mammalia | 
| Infraclass: | Marsupialia | 
| Order: | Didelphimorphia | 
| Family: | Didelphidae | 
| Genus: | Cryptonanus | 
| Species: | C. chacoensis | 
| Binomial name | |
| Cryptonanus chacoensis (Tate, 1931) | |
|  | |
| Chacoan gracile opossum range | |
The chacoan gracile opossum (Cryptonanus chacoensis) is a species of opossum in the family Didelphidae. It is native to Argentina, Brazil and Paraguay. Its habitat is seasonally flooded grasslands and forests in and near the Gran Chaco.