ix. Key to Emballonuridae (* denotes records in Sumatra but not in BBSL)

1.1. FA 42–48 mm; 2 pairs of upper incisors and 3 pairs of lower incisors........................ Emballonura monticola

1.2. FA> 53 mm; 1 pair of upper incisors and 2 pairs of lower incisors............................................ 2 ( Taphozous * / Saccolaimus *)

2.1. FA 70–76 mm; no throat pouch; wing with well-developed radio-metacarpal pouch.............. Taphozous theobaldi *

2.2. FA <70 mm ....................................................................................... 3

3.1. Chin furry; radio-metacarpal pouch well-developed; throat pouch in both genders; FA 60–68 mm; BM 23–36 g ....................................................................................... Taphozous melanopogon *

3.2. Chin naked; radio-metacarpal pouch absent or small; throat pouch present in males but absent in females............. 4

4.1. FA 63–69 mm; BM> 35 g; leg naked or only sparsely furred; radio-metacarpal pouch absent or small.............................................................................................. Saccolaimus saccolaimus *

4.2. FA 55–63 mm; BM <25 g; leg furry; radio-metacarpal pouch small......................... Taphozous longimanus *