Unduavi gracile opossum

The Unduavi gracile opossum ("Cryptonanus unduaviensis") is a species of opossum in the family Didelphidae. It is native to northern Bolivia, where it has been found in seasonally flooded grassland. 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.