Goniurosaurus

Ziegler, Thomas, Truong, Nguyen Quang, Schmitz, Andreas, Stenke, Roswitha & Rösler, Herbert, 2008, A new species of Goniurosaurus from Cat Ba Island, Hai Phong, northern Vietnam (Squamata: Eublepharidae), Zootaxa 1771, pp. 16-30 : 27-28

Key to species of Goniurosaurus (modified from Grismer et al. 1994, 1999, 2002)

1a Precloacal pores absent; claws not sheathed by scales (G. k u ro i w a e group)............................................7

1b Precloacal pores present; claws sheathed by scales..................................................................................2

2a 37–46 precloacal pores ................................................................................................ G.bawanglingensis

2b 16–32 precloacal pores..............................................................................................................................3

3a Enlarged row of supraorbital tubercles.....................................................................................................4

3b No enlarged row of supraorbital tubercle..................................................................................................5

4a Postrostral (internasal) lacking (supranasals meeting in midline); outer surface of upper eyelid composed of granular scales of about the same size of those on top of head; outer surface of upper eyelid with a longish row of enlarged tubercles; 16–21 precloacal pores .............................. G. catbaensis sp.n.

4b At least a single postrostral scale present (supranasals not in contact); outer surface of upper eyelid composed of granular scales one-half the size of those on top of head; outer surface of upper eyelid lacking a longish row of enlarged tubercles; 23–29 precloacal pores. ............................................................. G. luii

5a Three wide dorsal bands between limb insertions; nuchal loop posteriorly protracted; deep axillary pockets present .......................................................................................................................... G. araneus

5b Two narrow dorsal bands between limb insertions; nuchal loop posteriorly rounded; usually without deep axillary pockets, although present in some individuals of G. lichtenfelderi ( G. lichtenfelderi group)...................................................................................................................................................................6

6a 43–56 eyelid fringe scales; 24 paravertebral tubercles (NE Vietnam and some nearby islands in the Gulf of Tonkin) .......................................................................................................................... G. lichtenfelderi

6b 55–68 eyelid fringe scales; 26–29 paravertebral tubercles (Hainan Island, China) ............ G. hainanensis

7a Yellow brown to gold iris; a single scale at the base of each digit which is occasionally slightly enlarged ............................................................................................................................................. G. yamashinae

7b Blood-red iris; one to three enlarged scales at the base of each digit on the hand and foot.....................8

8a Adults lack interspace mottling.................................................................................................................9

8b Adults with interspace mottling..............................................................................................................10

9a Robust body stature; dorsal body tubercles between the limb insertions in cross-section are triangular to elliptical and sharply keeled anteriorly; 34–42 paravertebral tubercles; ventrals are juxtaposed and sharply raised ............................................................................................................................ G. toyamai

9b Slender body stature; dorsal body tubercles between the limb insertions in cross-section are smooth or very weakly keeled; 22–29 paravertebral tubercles; ventrals are flat, wide, and subimbricate to imbricate ................................................................................................................................................ G.splendens

10a Dorsal banding absent or incomplete ..................................................................................... G.kuroiwae

10b Prominent dorsal pattern consisting of transverse bands between the nape of the neck and the caudal constriction (only the first band in the vicinity of the forelimb insertion may be incomplete or rarely absent) ..................................................................................................................................... G. orientalis