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 Eptesicus serotinus (Schreber, 1774) - serotine