>>17781276 (OP) Lots and more lots Literally, more than 30 groups. The most famous were yamnaya, which was the direct son of Sredny Stog people. And they can be modeled as being half berezhnovka and some churka mediated by roast
I think most of Russia was inhabited by Uralic peoples before the Slavic expansion actually. Imagine all the current minorities forming one big continuous blob
>>17781276 (OP) Numerous different groups and they're not well documented. The steppe itself was mostly dominated by what was later known as the scythians and sarmatians, whether the latter are even a separate group of just a subdivision of scythians is anyone's guess and that's about it.