The Unduavi gracile opossum (''Cryptonanus unduaviensis'') 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. It is native to northern

Bolivia , image_flag = Bandera de Bolivia (Estado).svg , flag_alt = Horizontal tricolor (red, yellow, and green from top to bottom) with the coat of arms of Bolivia in the center , flag_alt2 = 7 × 7 square p ...

, where it has been found in seasonally

flooded grassland Flooded grasslands and savannas is a terrestrial biome of the WWF biogeographical system, consisting of large expanses or complexes of flooded grasslands. These areas support numerous plants and animals adapted to the unique hydrologic regimes ...

. Some of the specimens recognized by Voss ''et al.'' as belonging to this species were previously classified as the ''unduaviensis'' or ''buenavistae'' subspecies of '' Gracilinanus agilis.

References

* Opossums Endemic fauna of Bolivia Marsupials of South America Mammals of Bolivia Mammals described in 1931 {{marsupial-stub