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Takydromus yunkaiensis WANG, LYU & WANG, 2019

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Higher TaxaLacertidae, Lacertinae, Sauria, Lacertoidea, Squamata (lizards)
Common NamesE: Yunkai grass lizard
Chinese: Yun Kai Cao Xi (云开草蜥) 
SynonymTakydromus yunkaiensis WANG, LYU & WANG 2019 
DistributionChina (Guangdong)

Type locality: Dawuling Forestry Station (22°16'32.90"N, 111°11'42.87"E; 1500 m a.s.l.), Yunkaishan National Nature Reserve, Xinyi City, Guangdong Province, China.  
TypesHolotype: SYS r001580, adult male, collected by Jian Wang on 16 August 2016.
Paratypes: Three adult males, collected by Ying-Yong Wang, Jian Wang, Zhi-Tong Lyu and Zhao-Chi Zeng: SYS r001439, 1442 on 15 and 16 April 2016, SYS r001684 on 17 April 2017, all from Dawuling Forestry Station (1200–1500 m a.s.l.). Six adult females: SYS r001513 and SYS r001514 collected by Jian Wang on 9 July 2016 from Xianrendong Scenic Area (22°165'45.99"N, 111°13'16.35"E; 1000 m a.s.l.), Yunkaishan National Nature Reserve, Xinyi City, Guangdong Province; SYS r001434 collected by Jian Wang and Zhi-Tong Lyu on 14 April 2016, SYS r001507 collected by Jian Wang on 28 June 2016, SYS r001581 collected by Jian Wang on 16 August 2016, and SYS r001901 collected by Jian Wang and Hong-Hui Chen on 10 April 2018, all from Dawuling Forestry Station (1200–1500 m a.s.l.). 
DiagnosisDiagnosis: (1) body size moderate, SVL 37.8–56.0 mm in males, 42.6–60.8 mm in females; (2) dorsal ground color brown; ventral surface green to yellow-green, but light blue-green on ventral head and neck, posteriorly green in adult males; (3) dorsolateral lines paired, strikingly yellowish-white bordered by black above and below, invisible or indistinct i n juveniles and adult females; (4) flanks of body blackish brown with light brown marks in adult males; (5) the presence of four pairs of chin-shields; (6) four supraoculars on each side; (7) presence of a row of supracilary granules that separate supracilaries from supraoculars; (8) two postnasals; (9) enlarged dorsal scales with strong keel in six longitudinal rows on trunk of body; (10) enlarged ventral scales in six longitudinal rows, strongly keeled in males, smooth but outermost rows weakly keeled in females; (11) enlarged and keeled lateral scales in a row above ventrals; (12) femoral pores 2–3 on each side; (13) subdigital lamellae 20–23 under the fourth finger, 23–30 under the fourth toe; and (14) the first 2–3 subdigital lamellae under the fourth toe divided. 
EtymologyThe specific epithet, yunkaiensis, is in reference to the type locality of the new species. 
  • Wang J, Lyu Z-T, Yang C-Y, Li Y-L, Wang Y-Y 2019. A new species of the genus Takydromus (Squamata: Lacertidae) from southwestern Guangdong, China. ZooKeys 871: 119-139 - get paper here
  • Wang, Kai; Jinlong Ren, Hongman Chen, Zhitong Lyu, Xianguang Guo Ke Jiang, Jinmin Chen, Jiatang Li, Peng Guo, Yingyong Wang, Jing Che 2020. The updated checklists of amphibians and reptiles of China. Biodiversity Science 28 (2): 189-218 - get paper here
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