Cryptonanus

• Agricola’s Opossum Cryptonanus agricolai

  

  This is a small opossum. Ventral fur is unbanded white in most examined specimens, and little is known about its field ecology.

• Chacoan Mouse Opossum Cryptonanus chacoensis

  This small opossum is recorded in Argentina. In examined specimens, belly fur ranges from white or cream to clay colored; the Argentine assessment lists forests, grasslands and wetlands among its preferred habitats.

• Guaiba Mouse Opossum Cryptonanus guahybae

  Cryptonanus guahybae is a small marsupial recorded in southern Brazil. Examined specimens had reddish-brown backs, while belly fur varied with age; collection records include flooded forest and sandy riparian forest.

• Unduavi Mouse Opossum Cryptonanus unduaviensis

  This small mouse opossum is recorded in northern and eastern Bolivia and northern Paraguay. Records include seasonally flooded grassland, marshy areas, and buildings, but its diet and activity are not known.

• Agricola’s Opossum Cryptonanus agricolai

  

  This is a small opossum. Ventral fur is unbanded white in most examined specimens, and little is known about its field ecology.