Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Didelphimorphia Gill, 1872
       Family Didelphidae Gray, 1821 - American opossums
         Subfamily Didelphinae Gray, 1821
           Genus Marmosa Gray, 1821 - murine opossums
             Marmosa mexicana Merriam, 1897 - Mexican mouse opossum
               1 [Marmosa mexicana mexicana]ᵀ Merriam, 1897
               2 Marmosa mexicana mayensis Osgood, 1913
               3 Marmosa mexicana savannarum Goldman, 1917