The Surat helmeted bat (''Cassistrellus dimissus'') is a species of

vesper bat Vespertilionidae is a family of microbats, of the order Chiroptera, flying, insect-eating mammals variously described as the common, vesper, or simple nosed bats. The vespertilionid family is the most diverse and widely distributed of bat familie ...

. It ranges from

Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is bo ...

and

Laos Laos (, ''Lāo'' )), officially the Lao People's Democratic Republic ( Lao: ສາທາລະນະລັດ ປະຊາທິປະໄຕ ປະຊາຊົນລາວ, French: République démocratique populaire lao), is a socialist ...

west to

Nepal Nepal (; ne, नेपाल ), formerly the Federal Democratic Republic of Nepal ( ne, सङ्घीय लोकतान्त्रिक गणतन्त्र नेपाल ), is a landlocked country in South Asia. It is mai ...

Taxonomy

This species was formerly classified in the genus ''

Eptesicus ''Eptesicus'' is a genus of bats, commonly called house bats or serotine bats, in the family Vespertilionidae. The genus name is likely derived from the Greek words ''ptetikos'' 'able to fly' or ''petomai'' 'house flier', although this is not ce ...

'' until phylogenetic analysis found it to belong a distinct genus in the tribe

Vespertilionini Vespertilionini is a tribe of bats in the family Vespertilionidae. The largest of the tribes in Vespertilioninae, it contains many genera found throughout the Old World and Australasia. Species Species in the tribe include: * Genus '' Afronyct ...

, and thus reclassified it in the newly described genus '' Cassistrellus''.

Distribution

''Cassistrellus dimissus'' has been found in Khao Nong,

Tai Rom Yen National Park Tai Romyen National Park ( th, ใต้ร่มเย็น) is in the east of Surat Thani Province in southern Thailand. The park consists of the northern end of the Nakhon Si Thammarat mountain range and is mostly covered with forests. It wa ...

, Surat Thani Province,

southern Thailand Southern Thailand, Southern Siam or Tambralinga is a southernmost cultural region of Thailand, separated from Central Thailand region by the Kra Isthmus. Geography Southern Thailand is on the Malay Peninsula, with an area of around , bounded ...

and in Royal Chitwan National Park, southern Nepal.

Sources

Cassistrellus Bats of Asia Taxa named by Oldfield Thomas Mammals described in 1916 Taxonomy articles created by Polbot Taxobox binomials not recognized by IUCN {{Vespertilionidae-stub