Class [Mammalia] Linnaeus, 1758 - mammals
   Order Chiroptera Blumenbach, 1779 - bats
     Suborder Microchiroptera Dobson, 1875 see Order Chiroptera Blumenbach, 1779
       Family Vespertilionidae Gray, 1821 - vespertilionid bats
         Subfamily Vespertilioninae Gray, 1821
           Genus Pipistrellus Kaup, 1829 - pipistrelles
             Subgenus Arielulus Hill & Harrison, 1987 see Genus Arielulus Hill & Harrison, 1987
               Pipistrellus societatis Hill, 1972 - pipistrelle see Arielulus societatis (Hill, 1972)