Class [Mammalia] Linnaeus, 1758 - mammals
   Order Chiroptera Blumenbach, 1779 - bats
     Suborder Microchiroptera Dobson, 1875 see Order Chiroptera Blumenbach, 1779
       Family Molossidae Gervais, 1856 - free-tailed bats and mastiff bats
         Genus Tadarida Rafinesque, 1814 - free-tailed bats
           Subgenus Xiphonycteris Dollman, 1911
             1 Tadarida brachyptera see Mops brachypterus (Peters, 1852)
             2 Tadarida leonis - Sierra Leone free-tailed bat see Mops brachypterus leonis Thomas, 1908
             3 Tadarida nanula - dwarf free-tailed bat see Mops nanulus Allen, 1917
             4 Tadarida petersoni El Rayah, 1981 - Peterson's free-tailed bat see Mops petersoni (El Rayah, 1981)
             5 Tadarida spurrelli Dollman, 1911 - Spurrell's free-tailed bat see Mops spurrelli (Dollman, 1911)
             6 Tadarida thersites Thomas, 1903 - railer bat see Mops thersites (Thomas, 1903)