Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Chiroptera Blumenbach, 1779 - bats
       Family Rhinolophidae Gray, 1825 - horseshoe bats
         Genus Rhinolophus Lacépède, 1799 - horseshoe bats
           Rhinolophus pusillus species group
             Rhinolophus pusillus Temminck, 1834 - least horseshoe bat
               1 [Rhinolophus pusillus pusillus] Temminck, 1834
               2 Rhinolophus pusillus blythi Andersen, 1918
               3 Rhinolophus pusillus calidus Allen, 1923
               4 Rhinolophus pusillus gracilis Andersen, 1905
               5 Rhinolophus pusillus lakkhanae Yoshiyuki, 1990
               6 Rhinolophus pusillus minutillus Miller, 1906
               7 Rhinolophus pusillus pagi Tate & Archbold, 1939
               8 Rhinolophus pusillus parcus Allen, 1928
               9 Rhinolophus pusillus szechwanus Andersen, 1918