Class [Mammalia] Linnaeus, 1758 - mammals
   Order Marsupialia Jameson, 1818 - marsupials see Cohort Marsupialia Jameson, 1818
     Family Didelphidae Gray, 1821 - American opossums
       Genus Marmosa Gray, 1821 - murine opossums
         01 Marmosa andersoni Pine, 1972 - heavy-browed mouse opossum
         02 Marmosa canescens (J.A. Allen, 1893) - greyish mouse-opossum see Tlacuatzin canescens (Allen, 1893)
         03 Marmosa cracens (Handley & Gordon, in Eisenberg, ed., 1979) see Marmosops cracens (Handley & Gordon, 1979)
         04 Marmosa fuscata Thomas, 1896 see Marmosops fuscatus (Thomas, 1896)
         04.1 Marmosa carri see Marmosa fuscata Thomas, 1896
         05 Marmosa handleyi Pine, 1981 see Marmosops handleyi (Pine, 1981)
         06 Marmosa impavida Tschudi, 1845 - pale mouse-opossum see Marmosops impavidus (Tschudi, 1845)
         07 Marmosa incana (Lund, 1841[1840]) see Marmosops incanus (Lund, 1840)
         08 Marmosa invicta Goldman, 1912 - Panama mouse-opossum see Marmosops invictus (Goldman, 1912)
         09 Marmosa janetta Thomas, 1926 see Thylamys elegans (Waterhouse, 1839)
         10 Marmosa leucastra Thomas, 1927 see Marmosops noctivagus (Tschudi, 1844)
         11 Marmosa mexicana Merriam, 1897 - Mexican mouse opossum
         12 Marmosa murina (Linnaeus, 1758) - Linnaeus's mouse opossum
         13 Marmosa noctivaga Tschudi, 1845 see Marmosops noctivagus (Tschudi, 1844)
         14 Marmosa ocellata Tate, 1931 see Marmosops impavidus (Tschudi, 1845)
         15 Marmosa parvidens (Tate, 1931) see Marmosops parvidens (Tate, 1931)
         16 Marmosa quichua Thomas, 1899 - Quechuan mouse opossum
         17 Marmosa robinsoni Bangs, 1898 - Robinson's mouse opossum
         17.1 Marmosa mitis see Marmosa robinsoni Bangs, 1898
         18 Marmosa rubra Tate, 1931 - red mouse opossum
         19 Marmosa scapulata Burmeister, 1856 see Marmosops incanus (Lund, 1840)
         20 Marmosa tyleriana Tate, 1931 - Tyleria mouse opossum
         21 Marmosa xerophila Handley & Gordon, 1979 - Guajira mouse opossum
         22 Marmosa yungasensis Tate, 1931 see Marmosops dorothea (Thomas, 1911)