lizard biodiversity of torbat-e heydaryeh in razavi khorasan province

abstract squamata or scaled reptiles are the largest order of new reptiles including lizards, snakes and amphisbaenia. they have formed 95 precent of new reptiles. our goal is lizard biodiversity of torbat-e heydaryeh in razavi khorasan province. the study of lizards biodiversity of torbat-e heydaryeh in razavi khorasan province was carried out in 2012 until 2013. in this research 132 specimens were collected and observed and identified on the basis of morphological, morphometric and meristic characters. the collected and observated lizards belonging to 5 families: agamidae, lacertidae, scincidae, gekkonidae and varanidae including 8 genera and 12 species. results showed that agamidae and lacertidae families have the most frequency. the agamidae family has the most genera and lacertidae family has the most species. laudakia caucasia, laudakia microlepis, trapelus sanguinolentus and mesalina watsonana were the dominant species in this region and had a wider distribution rang in coparision with other species.