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Cyrtodactylus sakaeratensis AMPAI &RUJIRAWAN, 2025

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
Subspecies 
Common Names 
SynonymCyrtodactylus sakaeratensis AMPAI &RUJIRAWAN in AMPAI et al. 2025
Cyrtodactylus intermedius — MURDOCH et al. 2019: 5 (part)
Cyrtodactylus intermedius — GRISMER et al. 2020: fig. 1 (part)
Cyrtodactylus sp. 2 — GRISMER et al. 2021a: 274
Cyrtodactylus sp. 2 — GRISMER et al. 2023: fig. 1
Cyrtodactylus sp. 2 — CHHIN et al. 2024: fig. 2
Cyrtodactylus sp. 2 — TRAN et al. 2024: 491
Cyrtodactylus sp. — AMPAI et al. 2024: 108
Cyrtodactylus sakaeratensis — AMPAI et al. 2025 
DistributionThailand (Nakhon Ratchasima)

Type locality: Thailand, Nakhon Ratchasima Province, Wang Nam Khiao District, Udom Sap Subdistrict, Sakaerat Biosphere Reserve, 14°30.044’N, 101°55.168’E, 494 m elevation  
Reproduction 
TypesHolotype. ZMKU R 01050, adult male (Figs. 3, 4), collected on 1 February 2014 by Natee Ampai (=NA), Anchalee Aowphol (=AA), Attapol Rujirawan (=AR), Korkhwan Termprayoon (=KT) and Siriporn Yodthong (=SY).
Paratypes. Twenty-one paratypes. Thirteen adult males: ZMKU R 01047 same data as holotype except collected on 5 October 2013 by AA, AR and SY; ZMKU R 01051 same data as holotype except collected on 3 February 2014; ZMKU R 01053 same data as holotype except collected on 6 July 2014 by NA, AA, AR and KT; ZMKU R 00726–00727, ZMKU R 01057–01058 same data as holotype except collected on 11–12 October 2014 by NA, AA, AR, KT, Sengvilay Seateun (=SS) and SY; ZMKU R 01048–01049 same data as holotype except 14°30.091’N, 101°55.285’E, 443 m elevation, collected on 2 February 2014; ZMKU R 01052 same data as holotype except 14°30.091’N, 101°55.285’E, 443 m elevation, collected on 20 June 2014 by NA, AA and KT; ZMKU R 01054–01056 same data as holotype except 14°30.091’N, 101°55.285’E, 443 m elevation, collected on 7 July 2014 by NA, AA, AR and KT.
Eight adult females: ZMKU R 01059 same data as holotype except 14°30.044’N, 101°55.372’E, 455 m elevation, collected on 3 November 2013; ZMKU R 01060–01061 same data as holotype except from 14°30.091’N, 101°55.285’E, 443 m elevation, collected on 7 July 2014 by NA, AA, AR and KT; ZMKU R 01062 same data as holotype except 14°29.434’N, 101°55.094’E, 650 m elevation, collected on 11 October 2014 by NA, AA, AR, KT, SS and SY; ZMKU R 00724–00725, ZMKU R 01063–01064 same data as holotype except 14°30.091’N, 101°55.285’E, 443 m elevation, collected on 12 October 2014 by NA, AA, AR, KT, SS and SY.
Referred Specimens. ZMKU R 01065 (one juvenile), same data as holotype; ZMKU R 01066 (one immature male), same data as holotype except collected 7 July 2014 by NA, AA, AR and KT.
 
DiagnosisDiagnosis. Cyrtodactylus sakaeratensis sp. nov. differs from all members of the C. intermedius group by having the following combination of characters: (1) SVL of 64.6–80.0 mm (mean 72.5 ± 5.0 mm, n = 14) in adult males and 65.0–83.1 mm (mean 71.3 ± 7.2 mm, n = 8) in adult females; (2) nine to 11 supralabial and nine or 10 infralabial scales; (3) 27 or 28 paravertebral tubercles; (4) 17–19 longitudinal rows of dorsal tubercles; (5) 46–48 ventral scales; (6) seven or eight expanded subdigital lamellae on 4th toe; (7) 12 or 13 unmodified subdigital lamellae on 4th toe; (8) 20 total subdigital lamellae on the fourth toes; (9) 22–28 total number of enlarged femoral scales; (10) enlarged femoral and precloacal scales continuous; (11) seven or eight pore-bearing precloacal scales in males; (12) three rows of enlarged post-precloacal scales; (13) two or three postcloacal tubercles; (14) proximal femoral scales from greater than 1/2 the size of distal femoral scales; (15) absence of interdigital pocketing between digits of forefeet and hindfeet; (16) posterior border of the nuchal loop pointed. (Ampai & Rujirawan 2025)


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Comment 
EtymologyNamed after Sakaerat Biosphere Reserve (where the type locality is). 
References
  • Ampai, N., Aowphol, A., Yodthong, S., Termprayoon, K., Grismer, L.L. & Rujirawan, A. 2025. Description of a new forest-dwelling bent-toed gecko of the Cyrtodactylus intermedius group (Squamata: Gekkonidae) from the Sakaerat Biosphere Reserve, Nakhon Ratchasima Province, northeastern Thailand. Zootaxa, 5666 (3): 361–388 - get paper here
 
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