Hipposideridae, Lydekker, 1891

Huang, Joe Chun-Chia, Jazdzyk, Elly Lestari, Nusalawo, Meyner, Maryanto, Ibnu, Maharadatunkamsi, Wiantoro, Sigit & Kingston, Tigga, 2014, A recent bat survey reveals Bukit Barisan Selatan Landscape as a chiropteran diversity hotspot in Sumatra, Acta Chiropterologica 16 (2), pp. 413-449 : 446

iv. Key to species of Hipposideridae (* denotes records in Sumatra but not in BBSL; # marks records from BBSL only)

1.1. Ear rounded; tail and interfemoral membrane reduced; noseleaf with deep notch in anterior leaf; FA 34–47 mm................................................................................................ Coelops frithii *

1.2. Ear triangular or with pointed tip; tail short-moderate; no notch in anterior leaf.................................. 2 (genus Hipposideros )

2.1. 2–4 lateral leaflets................................................................................... 3

2.2. No lateral leaflets................................................................................... 7

3.1. 2 lateral leaflets..................................................................................... 4

3.2. 3–4 lateral leaflets................................................................................... 6

4.1. Anterior edge of pinna haired for 1/2 length; tip of incisors convergent; endemic to Mentawai Islands................................................................................................ Hipposideros breviceps *

4.2. Anterior edge of pinna haired for 2/3 length; tip of incisors not convergent..................................... 5

5.1. Intermediate leaf narrower than posterior leaf; TL 21–28 mm; FA 44–52 mm................... Hipposideros cervinus

5.2. Intermediate leaf wider than posterior leaf; TL> 30 mm; FA 45–50 mm...................... Hipposideros galeritus #

6.1. FA 76–90 mm; cream or orange markings on head, shoulder and lateral sides of back; 3–4 lateral leaflets.............................................................................................. Hipposideros diadema

6.2. FA 47–63 mm; fur brown, or gray brown, without pale markings over head and body; 3 lateral leaflets.................................................................................................. Hipposideros larvatus

7.1. Disk-like structure in internarial region of nose (between intermediate and anterior noseleaves); FA 46–49 mm......................................................................................... Hipposideros orbiculus *

7.2. No disk-like structure................................................................................ 8

8.1. Posterior leaf without internal septum; FA 33–40 mm....................................... Hipposideros doriae

8.2. Posterior leaf divided into four cells by three septa......................................................... 9

9.1. Internarial septum not straight/tapered but more or less swollen............................................. 10

9.2. Internarial septum nearly straight or slightly tapered....................................................... 11

10.1. Internarial septum slightly swollen at base and gradually narrowing toward top; FA 38–43 mm........................................................................................................... Hipposideros ater

10.3. Internarial septum swollen in the middle; FA 36–41 mm.................................. Hipposideros cineraceus

11.1. FA> 46 mm; TB> 20.5 mm; F MAXE <135.1 kHz........................................................................................................................... Hipposideros bicolor ( H. bicolor 131 kHz)

11.2. FA < 43.8 mm; TB < 19.3 mm; F MAXE > 139.0 kHz....................... Hipposideros atrox ( H. bicolor 142 kHz) *

11.3. FA 43.8–46.0 mm and TB 19.3–20.5 mm and F MAXE 135.1–139.0 kHz................................................................................................... intermediate form ( Hipposideros atrox * / H. bicolor )