Seroglazovka culture
The Seroglazovka culture (Russian: сероглазовской культуры) is a Mesolithic archaeological culture of the Pontic–Caspian steppe, dating to the late 9th millennium to mid-6th millennium BCE. It was first distinguished by A. Melentiev in the 1970s and is characterised by geometric microliths with Helwan retouch. Regional variants of the culture include the Zhekolgan group and the Istay group.