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Cnemaspis auriventralis RUJIRAWAN, YODTHONG, AMPAI, TERMPRAYOOON, AKSORNNEAM, STUART & AOWPHOL, 2022

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
Subspecies 
Common NamesE: Erawan Rock Gecko
Thai: จง้ิจกนว้ิยาวเอราวณั (JingJokNiew Yao Erawan) 
SynonymCnemaspis auriventralis RUJIRAWAN, YODTHONG, AMPAI, TERMPRAYOOON, AKSORNNEAM, STUART & AOWPHOL 2022
Cnemaspis huaseesom — YODTHONG et al. 2022: 160 
DistributionThailand (Kanchanaburi)

Type locality: Thailand, Kanchanaburi Province, Si Sawat District, Tha Kradan Subdistrict, Erawan National Park, Tham Phra That Protection Unit (14.39730N, 99.0818E; 747 m elevation  
Reproduction 
TypesHolotype. (Figs 3–6). ZMKU R 01001, adult male, collected 18 November 2021 by Attapol Rujirawan, Siri- porn Yodthong, Natee Ampai and Akrachai Aksornneam.
Paratypes. (Figs 7, 8). Two adult males and two adult females. ZMKU R 01002 (adult female), same collection data as the holotype. ZMKU R 01003 (adult female), same collection data as the holotype, except collected 20 No- vember 2021. ZMKU R 00999–01000 (two adult males) same collection data as the holotype, except collected 26 November 2019 by Attapol Rujirawan, Siriporn Yodthong, Korkhwan Termprayoon and Akrachai Aksornneam. 
DiagnosisDiagnosis: Cnemaspis auriventralis sp. nov. can be distinguished from all other species in the C. siamensis group by having the following combination of morphological and colour pattern characters: SVL 36.7–38.6 mm in adult males (N = 3), 32.9–36.9 mm in adult females (N = 2); eight to ten supralabials; seven to nine infralabials; ventral scales smooth; six or seven precloacal pores in males; 16–17 paravertebral tubercles linearly arranged; tubercles on the lower flanks present; lateral caudal furrows present; no caudal tubercles in the lateral furrows; ventrolateral caudal tubercles present anteriorly; caudal tubercles not encircling tail; subcaudals smooth bearing a single median row of enlarged smooth scales; two post-cloacal tubercles on each side; no shield-like subtibial scales; subtibial scales smooth; no enlarged submetatarsal scales; 23–27 subdigital lamellae on the fourth toe; sexually dimorphic in dorsal and ventral colour pattern; prescapular marking absent; gular marking absent; and yellow colouration in life on all ventral surfaces of head, body and tail in adult males. (Rujirawan et al. 2022)


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Comment 
EtymologyThe species epithet auriventralis is derived from aurum (L.) for gold and ventralis (L.) for venter in reference to the new species having distinct yellow coloura- tion on all ventral surfaces of the head, body and tail in adult males. 
References
  • Kwet, A. 2023. Liste der im Jahr 2022 neu beschriebenen Reptilien. Elaphe 2023 (3): 48-73
  • Rujirawan, A., Yodthong, S., Ampai, N., Termprayoon, K., Aksornneam, A., Stuart, B. L., & Aowphol, A. 2022. A new rock gecko in the Cnemaspis siamensis group (Reptilia, Gekkonidae) from Kanchanaburi Province, western Thailand. Zoosystematics and Evolution, 98(2), 345-363 - get paper here
 
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