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 Otomops Thomas, 1913 - big-eared free-tailed bats Otomops martiensseni (Matschie, 1897) - Martienssen's free-tailed bat [Otomops martiensseni martiensseni] (Matschie, 1897)