Class [Mammalia] Linnaeus, 1758 - mammals
   Order Marsupialia Jameson, 1818 - marsupials see Cohort Marsupialia Jameson, 1818
     Family Didelphidae Gray, 1821 - American opossums
       Genus Monodelphis Burnett, 1830 - short-tailed opossums
         01 Monodelphis adusta (Thomas, 1897) - sepia short-tailed opossum
         02 Monodelphis americana (Müller, 1776) - northern three-striped opossum
         03 Monodelphis brevicaudata (Erxleben, 1777) - northern red-sided opossum
         03.1 Monodelphis touan (Daudin, in Lacépède, 1799) see Monodelphis brevicaudata (Erxleben, 1777)
         04 Monodelphis dimidiata (Wagner, 1847) - yellow-sided opossum
         05 Monodelphis domestica (Wagner, 1842) - gray short-tailed opossum
         06 Monodelphis emiliae (Thomas, 1912) - Emilia's short-tailed opossum
         07 Monodelphis henseli Thomas, 1888 - Hensel's short-tailed opossum see Monodelphis sorex (Hensel, 1872)
         08 Monodelphis iheringi (Thomas, 1888) - Ihering's three-striped opossum
         09 Monodelphis kunsi Pine, 1975 - pygmy short-tailed opossum
         10 Monodelphis maraxina Thomas, 1923 - Marajó short-tailed opossum
         11 Monodelphis orinoci Thomas, 1899 see Monodelphis brevicaudata (Erxleben, 1777)
         12 Monodelphis osgoodi Doutt, 1938 - Osgood's short-tailed opossum
         13 Monodelphis scalops (Thomas, 1888) - long-nosed short-tailed opossum
         14 Monodelphis sorex (Hensel, 1872) - southern red-sided opossum
         15 Monodelphis theresa Thomas, 1921 - southern three-striped opossum
         16 Monodelphis umbristriata (Miranda-Ribeiro, 1936) - red three-striped opossum
         17 Monodelphis unistriata (Wagner, 1842) - one-striped opossum