''Eligmodontia typus'' is a species of

rodent Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia (), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are n ...

in the family

Cricetidae The Cricetidae are a family of rodents in the large and complex superfamily Muroidea. It includes true hamsters, voles, lemmings, muskrats, and New World rats and mice. At almost 608 species, it is the second-largest family of mammals, and h ...

. It is found in

Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...

and possibly also

Chile Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the east a ...

. The northernmost population might represent a distinct species, ''E. bolsonensis'', to which the common name highland gerbil mouse would apply. The lowland population would then be known as eastern Patagonian gerbil mouse or eastern Patagonian laucha.

References

Eligmodontia Mammals of Argentina Mammals of Chile Mammals of the Andes Mammals described in 1837 Taxa named by Frédéric Cuvier Taxonomy articles created by Polbot {{Sigmodontinae-stub