Class [Mammalia] Linnaeus, 1758 - mammals
   Order Marsupialia Jameson, 1818 - marsupials see Cohort Marsupialia Jameson, 1818
     Family Didelphidae Gray, 1821 - American opossums
       01 Genus Marmosa Gray, 1821 - murine opossums
       02 Genus Micoureus Lesson, 1842
       03 Genus Thylamys Gray, 1843
       04 Genus Gracilinanus Gardner & Creighton, 1989
       05 Genus Monodelphis Burnett, 1830 - short-tailed opossums
       06 Genus Lestodelphys Tate, 1934 - Patagonian opossum
       07 Genus Metachirus Burmeister, 1854 - brown "four-eyed" opossum
       08 Genus Didelphis Linnaeus, 1758 - large American opossums
       09 Genus Philander Brisson, 1762 - gray and black "four-eyed" opossums
       09.1 Genus Metachirops Matschie, 1916 see Genus Philander Brisson, 1762
       10 Genus Lutreolina Thomas, 1910 - thick-tailed opossum
       11 Genus Chironectes Illiger, 1811 - yapok
       12 Genus Caluromys Allen, 1900 - woolly opossums
       13 Genus Caluromysiops Sanborn, 1951 - black-shouldered opossum
       14 Genus Glironia Thomas, 1912 - bushy-tailed opossums