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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
Common NamesE: Ngat’s Bent-toed Gecko
Vietnamese: Thằn lằn ngón ngật 
SynonymCyrtodactylus ngati LE, SITTHIVONG, TRAN, GRISMER, NGUYEN, LE,ZIEGLER & LUU 2021 
DistributionVietnam (Dien Bien)

Type locality: Pa Xa Lao Village, Pa Thom Commune, Dien Bien District, Dien Bien Province, Vietnam (21°17’N; 102°54’E, 695 m elevation).  
TypesHolotype: HNUE-R00111 (Field number PT.2017.215), adult male, collected on 17 August 2017 by D.T. Le, D.T. Truong, H.Q. Nguyen, N.H. Nguyen, and A.N. Nguyen.
Paratypes: IEBR 4829 (Field number PT.2016.07), adult female, VNUF R.2020.12 (Field number PT.2016.06), adult female, collected on 27 August 2016; HNUE-R00112 (Field number PT.2017.187), subadult female, collected on August 2017. 
DiagnosisDiagnosis: The new Cyrtodactylus species can be distinguished from remaining congeners by the following combination of morphological characters: maximum SVL 69.3 mm; dorsal pattern consisting of six dark irregular transverse bands between limb insertions; intersupranasal single; dorsal tubercles present on occiput, body, hind limbs and on first half of tail; 17–22 irregular dorsal tubercle rows at midbody; lateral folds clearly defined, with interspersed tubercles; 32–38 ventral scales between ventrolateral folds; 13 precloacal pores separated by a diastema of 5/5 poreless scales from 7/7 femoral pores in enlarged femoral scales; precloacal and femoral pores absent in females; 1–3 postcloacal tubercles on each side; median subcaudal scales not transversely enlarged (Le et la. 2021).

Comparisons: Cyrtodactylus ngati sp. nov. was compared with other congeners from Vietnam and neighboring countries in the mainland Indochina region, including Laos, Cambodia, and Thailand based on examination of specimens (see Appendix) and data from literature (Luu et al. 2014; Nazarov et al. 2014; Nguyen et al. 2014; Panitvong et al. 2014; Pauwels et al. 2014; Pauwels & Sumontha 2014; Schneider et al. 2014 a,b; Nurngsomsri et al. 2014; Grismer et al. 2015; Luu et al. 2015; Sumontha et al. 2015; Pauwels et al. 2016; Le et al. 2016; Luu et al. 2016a,b,c, 2017; Nguyen et al. 2017; Chuaynkern et al. 2018; Pauwels et al. 2018; Nazarov et al. 2018; Murdoch et al. 2019; Pham et al. 2019; Sitthivong et al. 2019; Schneider et al. 2020; Ostrowski et al. 2020, 2021). The new species can be differentiated from other known species of the genus Cyrtodactylus by morphological characters (see Table 3). Below we compared the new species with the Cyrtodactylus brevipalmatus group data obtained from Smith (1923); Dring (1979); Ulber (1993); Nurngsomsri et al. (2014); and Chuaynkern et al. (2018) (Le et la. 2021).

Color in life: Background coloration light yellowish brown, with dark brown dorsal pattern; dorsal surface of head with irregular dark brown blotches; an irregularly shaped dark nuchal loop present, edged in dark brown, butterfly-shaped; six dark transversal bands between limb insertions, somewhat irregularly shaped, somewhat muted in color; tubercles at midbody greyish brown; dorsal surface of limbs with dark spots; dorsal surface of original tail dark grey with light bands, and dark narrow ring within the latter; ventral surface of head, body and limbs cream; subcaudal region dark grey with light bands (Le et la. 2021). 
EtymologyWe name this new species in honor of our colleague, Assoc. Prof. Dr. Ngat Nguyen Le, Hanoi National University of Education, Vietnam, in recognition of his contribution to herpetological research in Vietnam. 
  • Grismer LL, Rujirawan A, Yodthong S, Stuart BL, Le Duc M, Trung Le D, Chuaynkern Y, Wood, Jr.PL, Aowphol A 2022. The taxonomy and phylogeny of the Cyrtodactylus brevipalmatus group (Squamata: Gekkonidae) with emphasis on C. interdigitalis and C. ngati. Vertebrate Zoology 72 245–269 - get paper here
  • LE, DZUNG TRUNG; SALY SITTHIVONG, TUNG THANH TRAN, L. LEE GRISMER, TRUONG QUANG NGUYEN, MINH DUC LE, THOMAS ZIEGLER, VINH QUANG LUU 2021. First record of the Cyrtodactylus brevipalmatus group (Squamata: Gekkonidae) from Vietnam with description of a new species. Zootaxa 4969: 492–510
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