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 Micoureus Lesson, 1842
             Micoureus regina (Thomas, 1898) - bare-tailed woolly mouse opossum
               1 [Micoureus regina regina]ᵀ (Thomas, 1898)
               2 Micoureus regina germanus (Thomas, 1904)
               3 Micoureus regina rapposa (Thomas, 1899)