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Cyrtodactylus payarhtanensis MULCAHY, THURA & ZUG, 2017

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
Common NamesE: Tenasserim Mountain Bent-toed Gecko 
SynonymCyrtodactylus payarhtanensis MULCAHY, THURA & ZUG in CONNETTE et al. 2017 
DistributionS Myanmar (Tanintharyi Region)

Type locality: Myanmar, Tanintharyi Region, in the pro- posed Lenya National Park (11.12 ̊N, 99.07 ̊E)  
TypesHolotype: USNM 587791, adult male, collected by Grant M. Connette and Katherine J. LaJeunesse Connette, 22 May 2016.
Paratypes.—CAS 260232, adult male from Myanmar, Tanintharyi Region, in the proposed Lenya National Park, collected by Myint Kyaw Thura, Thaw Zin, and Daniel G. Mulcahy on 16 May 2015; USNM 587408–409 (adult females) USNM 587410–411 (adult males), same locality and collector information as preceding paratype collected on 14 May 2015; USNM 587792, adult female, same locality data and collector information as the holotype. 
DiagnosisDiagnosis. Midsize Cyrtodactylus of the C. oldhami species group, adult females 74–83 mm, males 61–80 mm SVL, possibly sexually dimorphic; 27–30% HeadL/SVL, 52–67% HeadW/HeadL, 34–46% HeadH/HeadL, 44–49% TrunkL/SVL, 14–16% ForeaL/SVL, 17–21% CrusL/SVL. Limbs slender, medium length digits of fore- and hindfeet moderate (8–10% 4FingL/SVL, 9–12% 4ToeL/SVL).

Dorsally head with granular scales, small tubercles in supratemporal area; 9–10 supralabials; 10–12 infralabials, one pair of enlarged postmentals. Dorsally trunk with 17–20 longitudinal rows of tubercles at midbody, 40–45 tubercles in paravertebral row; ventrolateral fold moder- ately developed and without tubercles; 26–32 ventral trunk scales at midbody smooth, overlap- ping and much larger than dorsal granules or tubercles. Tail with large tubercles dorsally on base, subcaudal scales distinctly enlarged, plate-like, and medially forming longitudinal row of rectangular scales. No precloacal groove or depression; distinctly enlarged row of precloacal and femoral scales but no precloacal or femoral pores; 2 cloacal spurs on each side. 5–7 proximal and 11–13 distal (16–20 total) 4FingLm; 6–8 proximal and 12–13 distal (12–13 total) 4ToeLm.
Distinctly banded dorsally and laterally, with irregularly shaped and edged dark, brown bands on neck and trunk, on a light brown background; usually six dark bands between axillary and inguinal areas. Band on posterior of neck usually present, often broken medially; band on sacrum either regular or irregular shaped; all caudal bands regular shaped, dark bands and light interspace subequal in width. Nuchal-cervical band part of postorbital stripes of light dorsal stripe above broader brown stripe; this continuous supraorbital striping and nuchal-cervical band forming U-shaped nuchal collar; nuchal band commonly notched mid-dorsally. Head indistinctly mottled dorsally, dusky brown marks on medium brown background; loreal area medium brown; supralabial and lower temporal areas medium to light brown of interspaces; limbs medium brown dorsally; venter dusky white. Preceding color description based on preserved specimens. 
CommentSimilar species: C. phetchaburiensis

Habitat: limestone outcrops surrounded by lowland ever- green forest. Forest in the area was mostly secondary, with interspersed patches of bamboo and dipterocarp tree species.

Abundance: only known from its original description (Meiri et al. 2017). 
EtymologyThe specific name derives from the karst landscape occupied by this species and is proposed as an adjectival noun. 
  • Connette GM, Oswald P, Thura MK, LaJeunesse Connette KJ, Grindley ME, Songer M, et al. 2017. Rapid forest clearing in a Myanmar proposed national park threatens two newly discovered species of geckos (Gekkonidae: Cyrtodactylus). PLoS One 12 (4): e0174432 - 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
  • Zug, G.R. & Mulcahy, D.G. 2019. Identification guide Amphibians and reptiles of South Tanintharyi. Fauna & Flora International, 101 pp.
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