Thomas's horseshoe bat has russet-tinged brown fur and a horseshoe-shaped noseleaf. It roosts in cave colonies and is recorded from southern China and mainland Southeast Asia.
Its dorsal fur is rich brown with a russet tinge, and its underside is slightly paler. It has small ears and a horseshoe-shaped noseleaf that does not cover the muzzle completely.
It roosts in caves, where it forms colonies.
An extinction-risk assessment has not been added yet.