Goniurosaurus, Barbour, 1908

Zhou, Run-Bang, Wang, Ning, Chen, Bei & Liang, Bin, 2018, Morphological evidence uncovers a new species of Goniurosaurus (Squamata: Eublepharidae) from the Hainan Island, China, Zootaxa 4369 (2), pp. 281-291 : 289-290

Key to species of Goniurosaurus on Hainan Island and the adjacent mainland

(modified from Grismer et al. 1994, 1999, 2002; Ziegler et. al. 2008; Wang et. al. 2014)

1 Fewer than 16 Precloacal pores........................................................................... 2

- 16 or more precloacal pores............................................................................. 3

2 10–13 precloacal pores; dark brown dorsal ground color............................................ G. yingdeensis

- 9 precloacal pores; brownish-black dorsal ground color.............................................. G. zhelongi

3 36–46 precloacal pores................................................................................ 12

- 16–33 precloacal pores................................................................................. 4

4 Nuchal loop posteriorly protracted........................................................................ 5

- Nuchal loop posteriorly rounded......................................................................... 11

5 Olive green iris.......................................................................... G. kadoorieorum

- Yellow, orange or brown iris............................................................................. 6

6 31–33 precloacal pores..................................................................... G. kwangsiensis

- Fewer than 30 precloacal pores........................................................................... 7

7 41–44 eyelid fringe scales..................................................................... G. huuliensis

- 52 or more eyelid fringe scales.......................................................................... 8

8 Enlarged row of supraorbital tubercles present.............................................................. 9

- Enlarged row of supraorbital tubercles absent....................................................... G.araneus

9 Internasal absent; 16–21 precloacal pores......................................................... G. catbaensis

- 1–3 internasals; 23–29 precloacal pores................................................................... 10

10 Outer surface of upper eyelid composed of granular scales one-half the size of those on top of head; nuchal loop 11–12 granu- lar scale rows in width............................................................................. G. luii

- Upper eyelid scales similar in size to granular scales on the top of the head; nuchal loop 6–7 granular scale rows in width............................................................................................... G. liboensis

11 43–56 eyelid fringe scales; only distributed in Northern Vietnam.................................... G. lichtenfelderi

- 54–77 eyelid fringe scales; only distributed in Hainan Island, China................................... G. hainanensis

12 37–46 precloacal pores; yellow-gray dorsal ground color....................................... G. bawanglingensis

- 36–38 precloacal pores; light purple-brown dorsal ground color.................................... G. zhoui sp. nov.