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 microdon Laurie & Hill, 1954 - small-toothed long-eared bat