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 Neoromicia Roberts, 1926 see Genus Neoromicia Roberts, 1926
               Pipistrellus flavescens Seabra, 1900 - yellow serotine see Neoromicia flavescens (Seabra, 1900)