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Cnemaspis vandeventeri GRISMER, SUMONTHA, COTA, GRISMER, WOOD, PAUWELS & KUNYA, 2010

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos) 
Subspecies 
Common NamesE: VanDeventer’s Rock Gecko
Thai: Djing Djok Niew Yaow VanDeventer 
SynonymCnemaspis vandeventeri GRISMER, SUMONTHA, COTA, GRISMER, WOOD, PAUWELS & KUNYA 2010
Gonatodes siamensis SMITH 1925:22
Cnemaspis siamensis — SMITH 1935:72
Cnemaspis siamensis — TAYLOR 1963:743
Cnemaspis siamensis (?) — PAUWELS et al. 2000:129
Cnemaspis vandeventeri — GRISMER et al. 2014: 129 
DistributionCW Thailand (west side of the Tenasserim and the contiguous Phuket Mountains along the west coast of central Peninsular Thailand; from the Khlong Naka Wildlife Sanctuary in the north, southward approximately 58 km to Khlong Had Sompen, Ranong

Type locality: Khlong Naka Wildlife Sanctuary (9° 26.0N, 98° 35.0E), Kapur District, Ranong Province; Thailand. Map legend:
TDWG region - Region according to the TDWG standard, not a precise distribution map.

NOTE: TDWG regions are generated automatically from the text in the distribution field and not in every cases it works well. We are working on it.
 
Reproduction 
TypesHolotype: THNHM 8261, adult male. Paratype. THNHM 8260 has the same collection data as the holotype. 
CommentSimilar species: Cnemaspis vandeventeri is most similar to C. chanardi, C. kamolnorranathi, C. roticanai, and C. siamensis of Peninsular Thailand and was considered conspecific with C. chanardi, and C. siamensis by Smith (1925, 1930, 1935) and (Taylor 1963).

Diagnosis. Adult males reaching 44.7 mm SVL, adult females reaching 40.5 mm SVL; eight or nine supralabials; 7–9 infralabials; gulars, forearm, subtibials, ventrals, subcaudals, and dorsal tubercles keeled; 25–29 paravertebral tubercles; tubercles small, not linearly arranged, absent from lower flanks (Fig. 6); no ventrolateral, caudal tubercles; caudal tubercles do not encircle tail; no tubercles within lateral, caudal furrow; median row of subcaudals keeled, slightly enlarged; four precloacal, pore-bearing scales in males separated medially by non-pore-bearing scales; pores round; 1–3 postcloacal tubercles; shield-like subtibials absent; 24– 29 subdigital lamellae on fourth toe; no dark, longitudinal gular markings or blotches; head not yellow in adult males; no dark patch on shoulder or neck enclosing a white to yellow ocellus; no yellow to white, prescapular crescent or transverse bars on flanks. These differences are summarized across all species in TABLEs 1 and 2 in GRISMER et al. (2010).

Diagnosis. Maximum SVL 44.7 mm; eight or nine supralabials; 7–9 infralabials; keeled ventral scales; four pore-bearing precloacal scales with round pores; 25–29 paravertebral tubercles; body tubercles randomly arranged, absent from flanks; tubercles absent from lateral caudal furrows; no ventrolateral row of caudal tubercles; lateral row of caudal tubercles present; caudal tubercles do not encircle tail; subcaudals keeled, bearing a weakly keeled, enlarged median scale row; 1–3 postcloacal tubercles on each side of tail base; no enlarged femoral, subtibial or submetatarsal scales; subtibials keeled; 24–28 subdigital fourth toe lamellae; yellowish, prescapular crescent; gular region, throat, pectoral region, underside of limbs, belly, and subcaudal region orange (Tables 6,7, Grismer et al. 2014). 
EtymologyThe specific epithet vandeventeri, a masculine name in the genitive case, is a patronym honoring Mr. Ryan J. VanDeventer of the Department of Biology at La Sierra University, Riverside, California. “Mr. VanDeventer’s passion for, and commitment to the study of biology has been a continual source of enlightenment and inspiration. His heroic efforts to keep La Sierra University’s herpetology laboratory and its occupants up and running smoothly for the last 16 years goes beyond description.” 
References
  • GRISMER, L. LEE; MONTRI SUMONTHA, MICHAEL COTA, JESSE L. GRISMER, PERRY L. WOOD, JR., OLIVIER S. G. PAUWELS & KIRATI KUNYA 2010. A revision and redescription of the rock gecko Cnemaspis siamensis (Taylor 1925) (Squamata: Gekkonidae) from Peninsular Thailand with descriptions of seven new species. Zootaxa 2576: 1–55 - get paper here
  • GRISMER, L. LEE; PERRY JR L. WOOD, SHAHRUL ANUAR, AWAL RIYANTO, NORHAYATI AHMAD, MOHD A. MUIN, MONTRI SUMONTHA, JESSE L. GRISMER, CHAN KIN ONN, EVAN S. H. QUAH, OLIVIER S. A. PAUWELS 2014. Systematics and natural history of Southeast Asian Rock Geckos (genus Cnemaspis Strauch, 1887) with descriptions of eight new species from Malaysia, Thailand, and Indonesia. Zootaxa 3880 (1): 001–147 - get paper here
  • WOOD, PERRY JR. L.; EVAN S.H. QUAH, SHAHRUL ANUAR M.S., MOHD ABDUL MUIN 2013. A new species of lowland karst dwelling Cnemaspis Strauch 1887 (Squamata: Gekkonidae) from northwestern Peninsular Malaysia. Zootaxa 3691 (5): 538–558 - get paper here
 
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