Samplings were done in different locations of northeastern Iran and different specimens were collected during two years. The specimens belong to 26 different species attributing to 6 families: Scuridae (Spermophilus fulvus), Cricetidae (Microtus transcaspicus, Microtus paradoxus, Blanfordimys afghanus, Chionomys nivalis, Ellobius talpinus, Ellobius fuscocapillus, Cricetulus migratorius), Calomyscidae (Calomyscus sp. Seems to be C. uratensis), Muridae (Mus musculus, Apodemus witherbyi, Nesokia indica, Rattus norvegicus, Rattus pyctoris, Gerbillus nanus, Meriones libycus, Meriones crassus, Meriones meridianus, Meriones persicus, Tatera indica, Rhombomys opimus), Gliridae (Dryomys nitedula) and Dipodidae (Allactaga elater, Allactaga hotsoni, Jaculus blanfordi, Jaculus thaleri). Standard external characters as well as cranial and dental ones were given

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