Which khanate's Golden Horde ruled medieval Russia?

The Mongols are an East Asian ethnic group native to Mongolia and China, as well as the republics of Buryatia and Kalmykia in Russia. The Mongols are the principal member of the large family of Mongolic peoples. The Oirats and the Buryats are classified either as distinct ethno-linguistic groups or as subgroups of Mongols.