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Chilean shrew opossums have only been found in a small geographic range that covers southern Chile, Chiloe Island, and a small part of southern Argentina (approximately 40 degrees south latitude and 70 degrees west longitude). Captures of Rhyncholestes raphanurus occurred at elevations from sea level to 1135 m (Patterson and Gallardo, 1987). Only two specimens have been captured in Argentina. Once thought to be rare, it is possible that they are abundant in limited habitat types (Meserve et al, 1982).
Biogeographic Regions: neotropical (Native )