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Parasyrisca Schenkel, 1963 is a Holarctic genus of ground spiders with 52 valid species, 51 distributed in the Palaearctic and one in the Western Nearctic [World Spider Catalog, 2017]. Almost all species inhabit the alpine zone in high mountains. Some species live at very high altitudes, up to 3500 m in the Caucasus, 3300 m in South Siberia, and 4900 m in the Pamirs [Ovtsharenko et al., 1995; Fomichev, 2015]. Moreover two Parasyrisca species are known in the Subarctic (in the Magadan Region) at 63°N latitude [Ovtsharenko, Marusik, 1988, 1996]. Only three species are known from lowland or low mountains habitats: P. arrabonica Szinetár et Eichardt, 2009 from Hungary, P. marusiki Kovblyuk, 2003 from Crimea and P. golyakovi Marusik et Fomichev, 2016 from the western Altai Mountains (South Siberia). The majority of species are local endemics found only in one mountain range [Ovtsharenko et al., 1995]. Ovtsharenko et al. [1995] assigned all Parasyrisca species into four species groups: potanini, vinosa, guzeripli and breviceps. The most species-rich group, potanini, encompasses 36 species. During expeditions to the Dzhungarian Alatau Mountains in Southeastern Kazakhstan, the Mongolian Altai in Western Mongolia, and the Russian part of the Altai we collected males and females of three undescribed species of Parasyrisca as well as the previously unknown female of P. volynkini Fomichev, 2016. The goal of this paper is to describe the three new species and the female of P. volynkini. ABSTRACT: Both sexes of three new species of Parasyriscaare described from Eastern Kazakhstan and Western Mongolia: P. kosachevi sp.n., P. sulaki sp.n., and P. tronovorum sp.n. All new species were collected in highlands at elevations from 2700 to 3700 m. The female of P. volynkini Fomichev, 2016 from the Altai Mountains (South Siberia, Russia) is described for the first time. Descriptions, differential diagnoses, illustrations, and maps of distribution records are provided. The distribution and species composition of the all four Parasyrisca groups (potanini, vinosa, guzeripli, and breviceps) are discussed. How to cite this article: Fomichev A.A., Marusik Yu.M., Sidorov V.V. 2018. A survey of East Palaearctic Gnaphosidae (Aranei). 9. New data on the Parasyrisca potanini-group from Central Asia // Arthropoda Selecta. Vol.27. No.2. P.155–168. doi: 10.15298/ arthsel. 27.2.07