Didelphidae Gray, 1821
Cryptonanus agricolai (Moojen, 1943)
Cryptonanus chacoensis (Tate, 1931)
Cryptonanus guahybae (Tate, 1931)
Cryptonanus ignitus (Díaz, Flores & Barquez, 2002)
Cryptonanus unduaviensis (Tate, 1931)
