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 currentium Thomas, 1901 [Molossus currentium currentium] Thomas, 1901