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 Eptesicus Rafinesque, 1820 - big brown bats
             Subgenus Eptesicus Rafinesque, 1820
               01 Eptesicus bobrinskoi Kuzyakin, 1935
               02 Eptesicus bottae (Peters, 1869) - Botta's serotine
               03 Eptesicus brasiliensis (Desmarest, 1819) - Brazilian brown bat
               04 Eptesicus chiriquinus Thomas, 1920 - Chiriqui brown bat
               05 Eptesicus demissus Thomas, 1916 - Surat serotine see Eptesicus dimissus Thomas, 1916
               06 Eptesicus diminutus Osgood, 1915
               07 Eptesicus furinalis (d'Orbigny, 1847) - Argentine brown bat
               08 Eptesicus fuscus (Beauvois, 1796) - big brown bat
               09 Eptesicus gobiensis Bobrinskii, 1926
               10 Eptesicus guadeloupensis Genoways & Baker, 1975 - Guadeloupe brown bat
               11 Eptesicus hottentotus (Smith, 1833) - long-tailed house bat
               12 Eptesicus innoxius (Gervais, 1841)
               13 Eptesicus kobayashii Mori, 1928
               14 Eptesicus lynni Shamel, 1945 - Lynn's brown bat see Eptesicus fuscus lynni Shamel, 1945
               15 Eptesicus nasutus (Dobson, 1877) - Sind bat
               16 Eptesicus nilssonii (Keyserling & Blasius, 1839) - northern bat
               17 Eptesicus pachyotis (Dobson, 1871) - thick-eared bat
               18 Eptesicus platyops (Thomas, 1901) - Lagos serotine
               19 Eptesicus serotinus (Schreber, 1774) - serotine
               20 Eptesicus tatei Ellerman & Morrison-Scott, 1951