Surat helmeted bat
The Surat helmeted bat ("Cassistrellus dimissus") is a species of vesper bat. It ranges from Thailand and Laos west to Nepal. Taxonomy. This species was formerly classified in the genus "Eptesicus" until phylogenetic analysis found it to belong a distinct genus in the tribe Vespertilionini, and thus reclassified it in the newly described genus "Cassistrellus". Distribution. "Cassistrellus dimissus" has been found in Khao Nong, Tai Rom Yen National Park, Surat Thani Province, southern Thailand and in Royal Chitwan National Park, southern Nepal.