Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Chiroptera Blumenbach, 1779 - bats
       Family Hipposideridae Lydekker, 1891 - Old World leaf-nosed bats
         Genus Hipposideros Gray, 1831 - Old World leaf-nosed bats
           Hipposideros diadema species group
             1 Hipposideros demissus Andersen, 1909
             2 Hipposideros diadema (Geoffroy, 1813) - diadem leaf-nosed bat
             3 Hipposideros dinops Andersen, 1905 - fierce leaf-nosed bat
             4 Hipposideros inexpectatus Laurie & Hill, 1954 - crested leaf-nosed bat
             5 Hipposideros inornatus McKean, 1970
             6 Hipposideros lankadiva Kelaart, 1850
             7 Hipposideros lekaguli Thonglongya & Hill, 1974 - Lekagul's leaf-nosed bat
             8 Hipposideros pelingensis Shamel, 1940