Tate's fat-tailed mouse opossum (''Thylamys tatei'') is a species of

opossum Opossums () are members of the marsupial order Didelphimorphia () endemic to the Americas. The largest order of marsupials in the Western Hemisphere, it comprises 93 species in 18 genera. Opossums originated in South America and entered North ...

in the family Didelphidae, named after American zoologist George Henry Hamilton Tate. It is found at elevations of 300 to 3,000 m along the coast of central Peru. The species has the northernmost range of any member of its genus. It has white ventral fur and short condylobasal and zygomatic lengths. ''T. pallidior'' is very similar.

References

Opossums Mammals of Peru Mammals described in 1957 {{marsupial-stub