The southern three-striped opossum (''Monodelphis theresa'') is an opossum

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

from

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the sout ...

. It is found in the Atlantic Forest region of

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

References

Opossums Endemic fauna of Brazil Fauna of the Atlantic Forest Marsupials of South America Mammals of Brazil Mammals described in 1921 Taxa named by Oldfield Thomas Taxobox binomials not recognized by IUCN {{marsupial-stub