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.