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Cyrtodactylus chrysopylos BAUER, 2003

IUCN Red List - Cyrtodactylus chrysopylos - Data Deficient, DD

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos) 
Subspecies 
Common Names 
SynonymCyrtodactylus chrysopylos BAUER 2003
Cyrtodactylus chrysopylos— AGARWAL et al. 2018 
DistributionMyanmar (Burma: Panlaung-Pyadalin Cave Wildlife Sanctuary in Shan State, Myanmar at an elevation of 319 m.)

Type locality: Panlaung-Pyadalin Cave Wildlife Sanctuary, Ywa Ngan Township, Shan State, Myanmar (21°07’58.4’’N, 96°20’25.0’’E, elevation 319 m.). Restricted to Pyadalin Cave, Panlaung-Pyadalin Cave Wildlife Sanctuary, Ywangan Township, Shan State, Myanmar (21.13275°N, 96.34026°E; 303 m) by Grismer et al. 2018.  
Reproductionoviparous 
TypesHolotype: CAS 226141 (given as 22641 by Grismer et al. 2018), Adult male, collected on 14 July 2002 by G. O. U. Wogan, R. S. Lucas, J. V. Vindum, Htun Win, Thin Thin, Awan Khwi Shen, and H. Tun. 
DiagnosisDIAGNOSIS.— Cyrtodactylus chrysopylos may be distinguished from its congeners by its relatively long digits, 16 longitudinal rows of dorsal tubercles; 37 ventral scales across midbody to distinct ventrolateral folds, 10 precloacal pores in a single series, a single, greatly enlarged pored scale posterior to apex of precloacal series (Fig. 16), and dorsal pattern of distinct alternating brown and white bands (one on occiput, one across shoulders, six between limb insertions, one on sacrum, two on pygal portion of tail). As the species is known only from a single female, the reliability of precloacal and femoral pore characteristics may be called into question, as such features often differ between genders. However, female Cyrtodactylus, if different from males, typically have a reduced number of pores, or may lack femoral or both femoral and precloacal pores all together. In this instance the presence in a female of a distinctive large pored scale posterior to the precloacal series is very likely to be present in males as well. This feature is unique among Cyrtodactylus and is alone sufficient to diagnose C. chrysopylos from all of its con geners. In addition, its distinctive dorsal pattern of nine bands between occiput and sacrum is unique [from BAUER 2003].

Diagnosis. Cyrtodactylus chrysopylos differs from other species of Cyrtodactylus by having the unique combination of the following characters: 8–11 supralabials and infralabials; 30–35 paravertebral tubercles; 16–20 longitudinal rows of body tubercles; well-developed body tubercles extending past the hemipenial swellings; no gular tubercles; ventrolateral folds; 39–55 ventral scales; digits not relatively short; basal subdigital lamellae expanded proximal to digital inflection; 19–23 subdigital lamellae on the fourth toe; no enlarged femoral scales or pore-bearing femoral scales; no precloacal groove; 8–13 pore-bearing, contiguous, precloacal scales; precloacal scale row not sharply angular; multiple enlarged post-precloacal scales; two or three cloacal spurs in males; caudal scales arranged in poorly defined segments; no enlarged, plate-like subcaudal scales; band on nape; 6–8 dorsal bands lacking paravertebral elements, zig-zag to regular in shape, wider than the immaculate interspaces, not bearing lightened centers, variably edged posteriorly with light-colored tubercles, and posterior borders bold and anterior borders diffuse; usually clusters of enlarged, light-colored scales in ventrolateral fold; 11–15 immaculate light caudal bands not encircling tail; 11–15 dark caudal bands wider than light caudal bands; variably raised, moderately keeled body tubercles; and a maximum SVL of 83.8 mm. These characters are scored across all species in the gansi group in Table 3 (in Grismer et al. 2018: 160). 
CommentDEFINITION.— A moderately sized Cyrtodactylus, snout-vent length of unique holotype 79 mm; body slender, elongate, limbs and digits long; one pair of enlarged postmental scales in broad contact behind mental; dorsum with 16 longitudinal rows of small, keeled tubercles; 37 ventral scales across midbody to distinct ventrolateral folds; no precloacal groove or femoral pores, 10 precloacal pores in a single series; a single, much larger, pored scale posterior to precloacal series and separated from it by a single, enlarged scale without pores. Thirteen subdigital lamellae beneath 4th toe of pes distal to basal digital inflection, six broad lamellae basal to inflection. Dorsal pattern of distinct alternating brown and white bands (one on occiput, one across shoulders, six between limb insertions, one on sacrum, two on pygal portion of tail).

Abundance: only known from the type specimen (Meiri et al. 2017). 
EtymologyNamed after the Greek chrysos (golden) and pylos (gate) and refers to Golden Gate Park, San Francisco the location of the California Academy of Sciences. 
References
  • AGARWAL, ISHAN; STEPHEN MAHONY, VARAD B. GIRI, R. CHAITANYA, AARON M. BAUER 2018. Six new Cyrtodactylus (Squamata: Gekkonidae) from northeast India Zootaxa 4524 (5): 501–535 - get paper here
  • Bauer, A.M. 2003. Descriptions of seven new Cyrtodactylus (Squamata: Gekkonidae) with a key to the species of Myanmar (Burma). Proc. Cal. Acad. Sci. 54: 463-498 - get paper here
  • GRISMER, L. LEE; PERRY L., JR. WOOD, MYINT KYAW THURA, NAY MYO WIN, MARTA S. GRISMER, LLYOD A. TRUEBLOOD, EVAN S. H. QUAH 2018. A re-description of Cyrtodactylus chrysopylos Bauer (Squamata: Gekkonidae) with comments on the adaptive significance of orange coloration in hatchlings and descriptions of two new species from eastern Myanmar (Burma). Zootaxa 4527 (2): 151–185 - 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
  • Rösler, H. & Glaw, F. 2008. A new species of Cyrtodactylus Gray, 1827 (Squamata: Gekkonidae) from Malaysia including a literature survey of mensural and meristic data in the genus. Zootaxa 1729: 8–22 - get paper here
  • Sumontha, M., Panitvong, N. & Deein, G. 2010. Cyrtodactylus auribalteatus (Squamata: Gekkonidae), a new cave- dwelling gecko from Phitsanulok Province, Thailand. Zootaxa 2370: 53–64 - get paper here
  • Youmans, Timothy M. & L. Lee Grismer 2006. A new species of Cyrtodactylus (Reptilia: Squamata: Gekkonidae) from the Seribuat Archipelago, West Malaysia. Herpetological Natural History 10 (1): 61-70
 
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