Dong Bac's trident bat (''Aselliscus dongbacanus'') is a species of

bat Bats are flying mammals of the order Chiroptera (). With their forelimbs adapted as wings, they are the only mammals capable of true and sustained flight. Bats are more agile in flight than most birds, flying with their very long spread-out ...

in the family

Hipposideridae The Hipposideridae are a family (biology), family of bats commonly known as the Old World leaf-nosed bats. While it has often been seen as a subfamily, Hipposiderinae, of the family Rhinolophidae, it is now more generally classified as its own fa ...

. It is found in northeastern

Vietnam Vietnam, officially the Socialist Republic of Vietnam (SRV), is a country at the eastern edge of mainland Southeast Asia, with an area of about and a population of over 100 million, making it the world's List of countries and depende ...

. Its type locality is Na Phong cave, Ba Be National Park,

Bac Kan Province BAC or Bac may refer to: Arts and entertainment Arts centres and arts councils * Balochistan Arts Council, in Quetta, Pakistan * Baryshnikov Arts Center, in Manhattan, New York City * Battersea Arts Centre, London, England * Beirut Art Cente ...

, Vietnam. ''Aselliscus dongbacanus'' is estimated to have diverged from ''

Aselliscus stoliczkanus Stoliczka's trident bat (''Aselliscus stoliczkanus'') is a species of bat in the family Hipposideridae. It is found in China, Laos, Malaysia, Myanmar, Thailand, and Vietnam. Taxonomy Stoliczka's trident bat was described as a new species in 1871 ...

'' during the late

Miocene The Miocene ( ) is the first epoch (geology), geological epoch of the Neogene Period and extends from about (Ma). The Miocene was named by Scottish geologist Charles Lyell; the name comes from the Greek words (', "less") and (', "new") and mea ...

References

Aselliscus Mammals described in 2015 Bats of Southeast Asia {{Hipposideridae-stub