Family: Didelphidae
Common Opossum (Didelphis marsupialis)
Virginia opossum (Didelphis virginiana)
Mexican Mouse Opossum (Marmosa mexicana)
Alston’s Mouse Opossum (Marmosa alstoni)
Gray Four-Eyed Opossum (Philander opossum)
Brown Four-Eyed Opossum (Metachirus nudicaudatus)
Central American Woolly Opossum (Caluromys derbianus)
Water Opossum (Chironectes minimus)
Mammals of Costa Rica 