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Cyrtodactylus macrotuberculatus GRISMER & AHMAD, 2008

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos) 
Subspecies 
Common NamesTuberculate Bent-toed Gecko, Large Tubercled Bent-toed Gecko 
SynonymCyrtodactylus macrotuberculatus GRISMER & AHMAD 2008
Cyrtodactylus macrotuberculatus — GRISMER 2011 
DistributionW Malaysia (Pulau Langkawi, Kedah)

Type locality: beneath an overpass on the road to Gunung Raya (06°23.023 N, 99°49.126 E; 621 m elevation), Pulau Langkawi, Kedah, Peninsular Malaysia.  
Reproductionoviparous 
TypesHolotype: ZRC 2.6754, adult male, collected by L. Lee Grismer, Perry L. Wood, Jr., Timothy A. Youmans, and Norsham Yaakob on 8 August 2005.
Paratypes: ZRC 
CommentDiagnosis. Cyrtodactylus macrotuberculatus is distinguished from all other Sunda Shelf species by having a maximum SVL of 120 mm; very large, trihedral, keeled, tubercles on body, limbs, and tail; tubercles present on occiput and top of head; no granular scales (only large tubercles) on dorsal surfaces of limbs; 19–22 ventral scales; transversely enlarged, median, subcaudal scales; proximal subdigital lamellae square; 21–23 subdigital lamellae on fourth toe; abrupt transition between posterior and ventral femoral scales; enlarged femoral and precloacal scales with a continuous series of 35–37 pore-bearing scales (femoero-precloacal scales); precloacal groove present, precloacal depression absent; no white recticulum on head; body and tail banded, limbs immaculate. The majority of these characters are summarized across all Sunda Shelf species in Table 1 in GRISMER & AHMAD 2008.

Diagnosis.—Adult males reaching 118.6 mm SVL, adult females reaching 113.4 mm SVL; 9–12 supralabials, 7–11 infralabials; tubercles of dorsum very large with no intervening smaller tubercles; tubercles on ventral surfaces of forelimbs, in gular region, and in ventrolateral body fold; 31–44 paravertebral tubercles; 19–27 longitudinal rows of dorsal tubercles; 17–28 rows of ventral scales; 20–24 subdigital lamellae on fourth toe; 28–40 femoro-precloacal pores in males; dorsum not bearing a scattered pattern of white tubercles; four body bands in adults lacking lightened centers and light colored tubercles; band to interspace ratio 1.00–1.50; 7–10 dark, caudal bands on original tail; white caudal bands in adults infused with dark pigment; and posterior portion of tail in hatchlings and juveniles banded not white. These characters are scored across all species of the Cyrtodactylus pulchellus complex in Table 6 [from GRISMER et al. 2012]. 
References
  • Chan Kin Onn & Norhayati Ahmad 2010. A new insular species of Cyrtodactylus (Squamata: Gekkonidae) from northeastern Peninsular Malaysia, Malaysia. Zootaxa 2389: 47–56 - get paper here
  • Goldberg, Stephen R. and L. Lee Grismer. 2014. Cyrtodactylus macrotuberculatus (tuberculate bent-toed gecko) reproduction. Herpetological Review 45 (2): 327
  • Grismer, L. Lee & Ahmad, N. 2008. A new insular species of Cyrtodactylus (Squamata: Gekkonidae) from the Langkawi Archipelago, Kedah, Peninsular Malaysia. Zootaxa 1924: 53–68 - get paper here
  • GRISMER, L. LEE; PERRY L. WOOD, JR, SHAHRUL ANUAR, MARTA S. GRISMER, EVAN S. H. QUAH, MATTHEW L. MURDOCH, MOHD ABDUL MUIN, HAYDEN R. DAVIS, CÉSAR AGUILAR, RANDY KLABACKA, ANTHONY J. COBOS, ANCHALEE AOWPHOL, JACK W. SITES, JR 2016. Two new Bent-toed Geckos of the Cyrtodactylus pulchellus complex from Peninsular Malaysia and multiple instances of convergent adaptation to limestone forest ecosystems. Zootaxa 4105 (5): 401-429 - get paper here
  • GRISMER, L. LEE; PERRY L. WOOD, JR., EVAN S. H. QUAH, SHAHRUL ANUAR, MOHD. ABDUL MUIN, MONTRI SUMONTHA, NORHAYATI AHMAD, AARON M. BAUER, SANSAREEYA WANGKULANGKUL, JESSE L. GRISMER & OLIVIER S. G. PAUWELS 2012. A phylogeny and taxonomy of the Thai-Malay Peninsula Bent-toed Geckos of the Cyrtodactylus pulchellus complex (Squamata: Gekkonidae): combined morphological and molecular analyses with descriptions of seven new species. Zootaxa 3520: 1–55 - get paper here
  • GRISMER, L. LEE; PERRY L. WOOD, SHAHRUL ANUAR, EVAN S. H. QUAH, MOHD ABDUL MUIN, MAKETAB MOHAMED, CHAN KIN ONN, ALEXANDRA X. SUMARLI, ARIEL I. LOREDO, HEATHER M. HEINZ 2014. The phylogenetic relationships of three new species of the Cyrtodactylus pulchellus complex (Squamata: Gekkonidae) from poorly explored regions in northeastern Peninsular Malaysia. Zootaxa 3786 (3): 359–381 - get paper here
  • Grismer, L.; Lee Perry L. Wood, Jr. and Kelvin K. P. Lim 2012. Cyrtodactylus majulah, a new species of bent-toed gecko (Reptilia: Squamata: Gekkonidae) from Singapore and the Riau Archipelago. The Raffles Bulletin of Zoology 60 (2): 487-499 - get paper here
  • Grismer, L.L. 2011. Lizards of Peninsular Malaysia, Singapore and their adjacent archipelagos. Edition Chimaira, Frankfurt, 728 pp. [review in Herp. Rev. 43: 155] - get paper here
  • ONN, CHAN KIN; L. LEE. GRISMER, DIONYSIUS S. SHARMA, DAICUS BELABUT, and NORHAYATI AHMA 2009. New herpetofaunal records for Perlis State Park and adjacent areas. Malayan Nature Journal 61 (4): 255 - 262
  • SUMONTHA, MONTRI; OLIVIER S.G. PAUWELS, KIRATI KUNYA, AWAT NITIKUL, PHAMON SAMPHANTHAMIT & L. LEE GRISMER 2012. A new forest-dwelling gecko from Phuket Island, Southern Thailand, related to Cyrtodactylus macrotuberculatus (Squamata: Gekkonidae). Zootaxa 3522: 61–72 - get paper here
 
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