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Higher TaxaColubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common Names 
SynonymEirenis kermanensis RAJABIZADEH, SCHMIDTLER, ORLOV & SOLEIMANI 2012
Eirenis kermanensis — WALLACH et al. 2014: 258 
DistributionIran (Kerman)

Type locality: Iran, Kerman province, Sarduieh region, Babe Karafs village, (29°16’ N 57°15’ E), 2800 m elevation.  
TypesHolotype: ICSTZM (also as ICSTZ) M7H 1062, adult female; coll. Gh. Soleimani, May 2008 (Figs. 2 and 3). Paratype. Adult Male, ICSTZM7H1064. The same data as Holotype (Fig. 4). 
DiagnosisDiagnosis. Eirenis kermanensis sp. nov. differs from Eirenis medus by a combination of meristic and morphometric characters. In the meristic point of view, the Kerman specimens have a higher number of subcaudal scales (63 in males, compared to 52 – 54 (52.75 ± 0.48) in males of Eirenis medus and 59 in female compare to 44 – 48 (45.5 ± 0.96) in females of Eirenis medus). Also the number of labial scales in Eirenis kermanensis sp. nov. shows a tendency to reduction [six supralabials, instead of seven in Eirenis medus (Table 1)]. Subsequently in morphometric characters, the percent ratio of tail length on total length (TLGTOL × 100) in the new Eirenis is higher than in Eirenis medus (25 in males whereas 20.73 – 22.57 (21.28 ± 0.44) in Eirenis medus; 22.07 in females whereas 16.37 – 18.09 (16.99 ± 0.40) in Eirenis medus. Additionally, in Eirenis medus, the loreal scale is longer than deep, whereas in the new Eirenis, the loreal scale is deeper than long (Fig. 6). Concerning the color pattern, in Eirenis kermanensis sp. nov. the dorsal crossbars at mid body are wider than in typical Eirenis medus (one scale wide in Eirenis kermanensis sp. nov. compared to half a scale wide in Eirenis medus (Fig. 5 in RABIZADEH et al. 2012). 
EtymologyEirenis kermanensis sp. nov. is named after the Kerman Province, the largest province of Iran in its southeastern part with very different ecosystems from high mountains in the west to a hot desert in the east and from high elevated plains in the north to low coastal plains in the south — the herpetofauna of which has been studied poorly up to now. 
  • Mahlow, Kristin; Frank Tillack, Josef Friedrich Schmidtler & Johannes Müller 2013. An annotated checklist, description and key to the dwarf snakes of the genus Eirenis Jan, 1863 (Reptilia: Squamata: Colubridae), with special emphasis on the dentition. Vertebrate Zoology 63 (1): 41–85 - get paper here
  • Rajabizadeh, M. 2017. Snakes of Iran. [in Farsi] Tehran: Iranshenasi, 496 pp. - get paper here
  • Rajabizadeh, Mahdi 2013. Biodiversity of the snakes in northern and western mountains of Iran, with special emphasis on biodiversity in colubroids. Thesis, U Gent, VI + 227 pp. - get paper here
  • Rajabizadeh, Mehdi; Josef F. Schmidtler, Nikolai Orlov,Gholamreza Soleimani 2012. Review of Taxonomy and Distribution of the Eirenis medus group (Chernov, 1940) (Ophidia: Colubridae) with Description of a New Species of the Genus Eirenis from Kerman Province, Southeastern Iran. Russ. J. Herpetol. 19 (4): 307-313 - get paper here
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp.
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