Class Mammalia Linnaeus, 1758 - mammals Order Chiroptera Blumenbach, 1779 - bats Family Vespertilionidae Gray, 1821 - vespertilionid bats Subfamily Vespertilioninae Gray, 1821 Genus Nyctophilus Leach, 1821 - New Guinean and Australian big-eared bats Nyctophilus arnhemensis Johnson, 1959 - Arnhem Land long-eared bat