Tapur clan was a clan of Scythian people that migrated from Parthyene to central parts of southern territories of Caspian Sea during kingdom of Phraates I when Parthian Empire became strong during Phraates I, he attacked to Amard (another Scythian tribe) and defeated them. then he forced them to leave southern fringes of Caspian Sea and replaced them with Tapur people. after this event, ancient Tapuria was established.