GEKKONIDAE 
Key to genera 
With movable eyelid; claw between 3 scales Eublepharis 
(A single species: E. lichtenfelderi) 
Without movable eyelid 2 
Digits not expanded, or only slightly expanded 3 
Digits obviously expanded 5 
Underside of digits with very small scales; sides of digits 
fringed : dorsal scales uniform, overlapping; mid-dorsal 
caudal scales expanded Teratoscincus 
Digits not fringed; dorsal scales granular intermixed with 
larger scales; mid-dorsal caudals not expanded 4 
Distal phalanges compressed, angular; claw between 2 large 
scales, one dorsal and one ventral Cyrtodactylus 
Not as above Alsophylax 
Digits with one row of ventral lamellae; inner digit without 
claw Gekko 
Digits with 2 rows of ventral lamellae 6 
Inner digit clawed 7 
Inner digit clawless or with very small claw 3) 
Digits half webbed; body with a skin fold from axilla _ to 
groin Platyurus 
(A single species: P. platyurus) 
Digits with rudimentary web; body without skin fold 
Hemidactylus 
Inner digit normal in length Gehyra 
(A single species: G. mutilata) 
Inner digit extremely short and slender, clawless or with 
rudimentary claw Hemiphyllodactylus 
(A single species: H. yunnanensis) 
Alsophylax 
Dorsal granules irregular or arranged in short rows’ pipiens 
Granules arranged in long rows przewalski 
Cyrtodactylus 
Twenty five scales across belly; large subcaudals in a 
single row; 6 preanal pores elongatus 
Scales across belly 30-40; without enlarged subcaudals; 12-14 
preanal pores khasiensis 
Gekko 
Rostral not im’contact with mostril; total length to more 
than 30 cm gecko 
Rostral in contact with nostril; total length less than 20 cm 
2 
Without webbing between digits 3 
Webbing between digits 4 
Many enlarged granules especially anteriorly and on occiput 
japonicus 
A few enlarged granules on back swinhonis 
Without enlarged granules on back; 7-11 preanal pores 
subpalmatus 
With enlarged granules; more than 17 preanal pores 5 
Preanal pores 17-23; many moderately enlarged scales dorsally 
17 
