Iranian Biology Society Journal of Animal Research (Iranian Journal of Biology) 2383-2614 26 2 2013 09 22 Phylogeny of Genus Calomyscus (Rodentia: Calomyscidae) from Iranian plateau, inferred from mitochondrial CO1 gene. Phylogeny of Genus Calomyscus (Rodentia: Calomyscidae) from Iranian plateau, inferred from mitochondrial CO1 gene. 163 170 176 2622 FA Journal Article 2010 08 16 The genus Calomyscus has long been considered monospecies and represented by the species C. bailwardi. Recently, eight geographic species have been recognized. Of which five species distributed in Iran: C. bailwardi, C. hotsoni, C. urartensis, C. elburzensis and C. grandis. A mitochondrial gene (CO1) including 637 base pairs for 25 specimens of four Calomyscus species was amplified. Maximum Parsimony, Bayesian and Maximum Likelihood analyses supported the current taxonomy of four studied Iranian species for Calomyscus, i.e., the recognition of the allopatric populations as distinct species. The molecular phylogeny derived from analyses of CO1 sequences divides the four taxa into two major clades. One clade including C. bailwardi, C. hotsoni and other clade is composed of C. elburzensis and C. grandis. The molecular data further indicated that C. elburzensis is distributed from northeast to central Iran (Razavi Khorasan, Northern Khorasan and Yazd Provinces) and separate Yazd population as an isolated geographically population from Elburze Mountains. The genus Calomyscus has long been considered monospecies and represented by the species C. bailwardi. Recently, eight geographic species have been recognized. Of which five species distributed in Iran: C. bailwardi, C. hotsoni, C. urartensis, C. elburzensis and C. grandis. A mitochondrial gene (CO1) including 637 base pairs for 25 specimens of four Calomyscus species was amplified. Maximum Parsimony, Bayesian and Maximum Likelihood analyses supported the current taxonomy of four studied Iranian species for Calomyscus, i.e., the recognition of the allopatric populations as distinct species. The molecular phylogeny derived from analyses of CO1 sequences divides the four taxa into two major clades. One clade including C. bailwardi, C. hotsoni and other clade is composed of C. elburzensis and C. grandis. The molecular data further indicated that C. elburzensis is distributed from northeast to central Iran (Razavi Khorasan, Northern Khorasan and Yazd Provinces) and separate Yazd population as an isolated geographically population from Elburze Mountains.

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