The Marajó short-tailed opossum (''Monodelphis maraxina'') 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

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found else ...

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 ...

, in the Amazon River delta region within Maranhão state.

References

Opossums Endemic fauna of Brazil Fauna of the Amazon Environment of Maranhão Mammals of Brazil Marsupials of South America Mammals described in 1923 Taxa named by Oldfield Thomas Taxobox binomials not recognized by IUCN {{marsupial-stub