Cyrtodactylus saiyok PANITVONG, SUMONTHA, TUNPRASERT & PAUWELS, 2014

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Higher Taxa	Gekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
Subspecies
Common Names	Thai: Took-kai Sai Yok E: Sai Yok bent-toed gecko F: Cyrtodactyle de Saï Yok G: Saiyok Bogenfingergecko Dutch: Saiyokkromvingergekko
Synonym	Cyrtodactylus saiyok PANITVONG, SUMONTHA, TUNPRASERT & PAUWELS 2014
Distribution	W Thailand (Kanchanaburi) Type locality: Moo (= village) 3 (14o 12.186’ N, 099o 01.471’ E, 354 m asl), Tumbon (= sub-district) Wang Krajae, Amphoe (= District) Sai Yok, Kanchanaburi Province, western Thailand
Reproduction	oviparous (manual imputation, fide Zimin et al. 2022)
Types	Holotype: THNHM 25602 (field no. MS 457); adult male; collected by Jitthep Tunprasert on 17 August 2012. Paratypes. CUMZ-R-0.2320 (field no. MS 458); subadult male, same collector and locality as holotype.
Diagnosis	Diagnosis: Cyrtodactylus saiyok sp. nov. can be distinguished from all other congeneric species by its maximal known SVL of 61.0 mm; 18 or 19 regular longitudinal rows of dorsal tubercles; 23 or 24 longitudinal rows of ventrals across the abdomen between the non-denticulate ventrolateral skin folds; a continuous series of enlarged femoro-precloacal scales, including a continuous series of five pore-bearing precloacal scales (males); no precloacal groove or depression; 16 or 17 subdigital lamellae of 4th toe, transversely enlarged subcaudal scales; complete nuchal loop; dorsal pattern including 3-5 irregular, medially interrupted or not, black dorsal bands between the limbs.
Comment	Habitat: small trees, stumps, and on large Aroid plants; the species was never found on cliffs or limestone outcrops. Abundance: only known from its original description (Meiri et al. 2017).
Etymology	The specific epithet saiyok refers to the name of the district in which the type locality is situated. It is a noun in apposition, invariable.
References	LUU, VINH QUANG; THOMAS CALAME, Truong QUang Nguyen, MICHAEL BONKOWSKI & THOMAS ZIEGLER 2015. A new species of Cyrtodactylus (Squamata: Gekkonidae) from the limestone forest of Khammouane Province, central Laos. Zootaxa 4058 (3): 388–402 - get paper here LUU, VINH QUANG; Truong QUang Nguyen, MINH DUC LE, MICHAEL BONKOWSKI, THOMAS ZIEGLER 2016. A new species of karst-dwelling bent-toed gecko (Squamata: Gekkonidae) from Khammouane Province, central Laos. Zootaxa 4079 (1): 087–102 - get paper here Meiri, Shai; Aaron M. Bauer, Allen Allison, Fernando Castro-Herrera, Laurent Chirio, Guarino Colli, Indraneil Das, Tiffany M. Doan, Frank Glaw, Lee L. Grismer, Marinus Hoogmoed, Fred Kraus, Matthew LeBreton, Danny Meirte, Zoltán T. Nagy, Cristiano d 2017. Extinct, obscure or imaginary: the lizard species with the smallest ranges. Diversity and Distributions - get paper here PANITVONG, NONN; MONTRI SUMONTHA, JITTHEP TUNPRASERT & OLIVIER S. G. PAUWELS 2014. Cyrtodactylus saiyok sp. nov., a new dry evergreen forest-dwelling Bent-toed Gecko (Squamata: Gekkonidae) from Kanchanaburi Province, western Thailand. Zootaxa 3869 (1): 064–074 - get paper here Zimin, A., Zimin, S. V., Shine, R., Avila, L., Bauer, A., Böhm, M., Brown, R., Barki, G., de Oliveira Caetano, G. H., Castro Herrera, F., Chapple, D. G., Chirio, L., Colli, G. R., Doan, T. M., Glaw, F., Grismer, L. L., Itescu, Y., Kraus, F., LeBreton 2022. A global analysis of viviparity in squamates highlights its prevalence in cold climates. Global Ecology and Biogeography, 00, 1–16 - get paper here
External links	IUCN Red List National Center for Biotechnology Information Google images

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