Ali Shamkhani, the top official coordinating security and political affairs between Tehran and its allies, Moscow and Damascus, was quoted by state television saying Iran called in Russian strikes "next to the land operation" in Aleppo.
"Iran has brought the powerful Russia along... Due to its need to cooperate with Syria" in the fight against jihadists, added Shamkhani.
Iran and Russia are key backers of Syrian President Bashar al-Assad, but Tehran has remained relatively guarded about its precise involvement in the conflict.
That announcement prompted Iranian defence minister General Hossein Dehghan to criticise Russia's "showing off and inconsiderate attitude".
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An Iranian foreign ministry spokesman yesterday denied any differences with Russia over the use of Hamedan, adding that Russian raids from Iranian territory had ended for now.
"These planes did not leave (yesterday) but on Thursday, in accordance with the land operations and not under pressure from any other country," Shamkhani said on state television.
It is illegal under Iran's constitution to give military bases to foreign armies.