Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Chiroptera Blumenbach, 1779 - bats
       Family Molossidae Gervais, 1856 - free-tailed bats and mastiff bats
         Subfamily Molossinae Gervais, 1856
           Genus Molossus Geoffroy, 1805 - velvety free-tailed bats
             Molossus rufus Geoffroy, 1805
               1 [Molossus rufus rufus] Geoffroy, 1805
               2 Molossus rufus castaneus Geoffroy, 1805
               3 Molossus rufus nigricans Miller, 1902