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Microgecko chabaharensis GHOLAMIFARD, RASTEGAR-POUYANI, RASTEGAR-POUYANI, KHOSRAVANI, YOUSEFKHANI & ORAEI, 2016

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
Subspecies 
Common NamesE: Chabahar Dwarf Gecko 
SynonymMicrogecko chabaharensis GHOLAMIFARD, RASTEGAR-POUYANI, RASTEGAR-POUYANI, KHOSRAVANI, YOUSEFKHANI & ORAEI 2016
Microgecko helenae — ŠMÍD et al. 2014: 23 
DistributionSE Iran (Baluchestan)

Type locality: Rasoul Abad village, at 25°28'08.0''N, 060°29'37.0''E and 27 m above sea level (a.s.l.), between Chabahar and Konarak, Chabahar County, Sistan and Baluchestan Province, southeastern Iran  
Reproductionoviparous (manual imputation, fide Zimin et al. 2022) 
TypesHolotype: SUHC 1273, adult male, collected on 16 May 2012. Paratypes. SUHC 1274, adult female, collected at the same locality as the holotype on 16 May 2012; RUZM GT.11.54, adult female, from Rezuiyeh (28°19'20.74"N, 54°35'20.48"E., 1155 m a.s.l.), about 40 km east of Haji Abad, the capital of Zarrin Dasht County, Fars Province, southern Iran, collected on 12 September 2014. 
DiagnosisDiagnosis: Microgecko chabaharensis sp. nov. (Figs. 2–3) is a small gecko with a maximum snout-vent length of 28.5 mm. The species possesses all diagnostic characters of the genus Microgecko (in the sense of Kluge, 1967). Superficially, M. chabaharensis sp. nov. differs from all known congeners by having a dorsum without any pattern (distinct or indistinct dark crossbars, and white spots) (Figs. 2–3), with the exception of populations of M. h. helenae (Fig. 5) from southwestern Iran without any pattern on their dorsum. Microgecko chabaharensis sp. nov. has three pairs of postmental shields and therefore differs from M. latifi (no postmentals), M. helenae (one pair of postmentals) and M. depressus (no postmentals or only one pair of very small postmentals). Since the new species occurs in the distributional range of M. persicus (especially M. p. persicus) in southern and southeastern Iran, it is distinguished from M. persicus (M. p. bakhtiari, M. p. persicus and M. p. euphorbiacola) by possessing a distinctive unpatterned dorsum (versus dorsum with distinct dark crossbars in M. persicus) as subspecies of M. persicus are distinguished from each other mainly based on the ratio of crossbar width to width of the interspaces (see Figs. 2–3 versus Fig. 6). Also M. chabaharensis has three pairs of postmental shields (two pairs of large postmentals and the third smaller pair) versus two pairs of postmental shields in M. persicus. For additional comparison see Table 1 and Figures 7–8 (in Gholamifard et al. 2016). 
CommentDistribution: for a map see GHOLAMIFARD et al 2019: 436 (Fig. 1). 
EtymologyThe species is named after the region where the holotype was collected (Chabahar, Sistan and Baluchestan Province, Southeastern Iran) and the Latin ‘-ensis,’ meaning ‘from’ or ‘belonging to’. 
References
  • GHOLAMIFARD, ALI; NASRULLAH RASTEGAR-POUYANI, ESKANDAR RASTEGAR-POUYANI 2019. A new species of the genus Microgecko Nikolsky, 1907 (Sauria: Gekkonidae) from the southern Zagros Mountains, Iran. Zootaxa 4648 (3): 435–454 - get paper here
  • GHOLAMIFARD, ALI; NASRULLAH RASTEGAR-POUYANI, ESKANDAR RASTEGAR-POUYANI, AZAR KHOSRAVANI, SEYYED SAEED HOSSEINIAN YOUSEFKHANI, HAMZEH ORAEI 2016. A new species of the genus Microgecko Nikolsky, 1907 (Sauria: Gekkonidae) from southern Iran. Zootaxa 4093 (1): 026–040 - get paper here
  • Kamali, Kamran 2020. A Field Guide to the Reptiles and Amphibians of Iran. Edition Chimaira, Frankfurt am Main, Germany (www.chimaira.de). 574 pp.
  • Torki, F. 2020. A new species of dwarf gecko of the genus Microgecko (Squamata: Gekkonidae) from Iran. Sauria 42 (1): 41-54
  • 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
 
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