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Cyrtodactylus denticulatus CHOMDEJ, SUWANNAPOOM, PRADIT, PHUPANBAI & GRISMER, 2023

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
Subspecies 
Common NamesE: Spiny-tailed bent-toed gecko
Thai: ตุ๊กกายฟันเลื่อย (Tuk Kay Fhun Leuy) 
SynonymCyrtodactylus denticulatus CHOMDEJ, SUWANNAPOOM, PRADIT, PHUPANBAI & GRISMER 2023: 72
Cyrtodactylus sp. 10 — CHOMDEJ et al. 2021: 11
Cyrtodactylus sp. 10 — GRISMER et al. 2021: 725
Cyrtodactylus sp. 10 — GRISMER et al. 2022a: 247
Cyrtodactylus sp. 10 — GRISMER et al. 2022b: 111
Cyrtodactylus sp. 10 — GRISMER et al. 2023: 95 
DistributionThailand (Tak)

Type locality: bamboo forest near a rocky stream at the Chao Doi waterfall, Mae Meoi, Tha Song Yang District, Tak Province, Thailand at 17°30.000'N, 98°03.000'E (DDM) and 610 m a.s.l.  
Reproduction 
TypesHolotype. AUP-00680, Adult male, collected on 8 March 2019 by Parinya Pawangkhanant and Chatmongkon Suwannapoom. 
DiagnosisDiagnosis: Cyrtodactylus denticulatus sp. nov. is tentatively separated (see below) from all other species of the brevipalmatus group by the combination of having nine supralabials, nine infralabials, 20 paravertebral tubercles, 19 rows of longitudinally arranged tubercles, 42 transverse rows of ventrals, 158 longitudinal rows of ventrals, nine expanded subdigital lamellae on the fourth finger, 11 unexpanded subdigital lamellae on the fourth toe, 19 total subdigital lamellae on the fourth toe; nine expanded subdigital lamellae on the fourth finger, ten unexpanded subdigital lamellae on the fourth finger, 19 total subdigital lamellae on the fourth finger; 16 total number of enlarged femoral scales, 20 total number of femoral pores in the male specimen; 13 precloacal pores in the male specimen; 16 enlarged precloacals; enlarged femorals and enlarged precloacals not continuous; proximal femorals smaller than distal femorals; tubercles on forelimbs and flanks nearly same size as those on body; ventrolateral body fold weakly denticulate; spinose paravertebral rows; row of large dorsolateral caudal tubercles; wide ventrolateral caudal fringes; ventrolateral caudal fringes composed scales of different size; small longitudinal ventrolateral subcaudal ridges; tail square in cross-section; no slightly enlarged unpaired medial subcaudals; subcaudals not posteromedially furrowed; SVL 69.5 mm; three dark transverse body bands ( Tables 2–4). (Chomdej et al. 2023)


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Comment 
EtymologyNamed after Latin denticulatus, given as a noun in apposition, meaning “denticulate” or with small teeth, a reference to bearing small tooth-like dorsolateral and ventrolateral caudal tubercles and denticulate ventrolateral body folds. 
References
  • Chomdej S, Suwannapoom C, Pradit W, Phupanbai A, Grismer LL 2023. A new species of the Cyrtodactylus brevipalmatus group (Squamata, Gekkonidae) from Tak Province, northwestern Thailand. ZooKeys 1164: 63–88 - get paper here
  • GRISMER, L. LEE; PARINYA PAWANGKHANANT, ANDREY M. BRAGIN, ALEXEY V. TROFIMETS, ROMAN A. NAZAROV, CHATMONGKON SUWANNAPOOM & NIKOLAY A. POYARKOV 2024. A new species of the Cyrtodactylus brevipalmatus group (Squamata: Gekkonidae) from Phuket Island, Thailand with a discussion of the group’s potential biogeography. Zootaxa 5437 (2): 193–222 - get paper here
 
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