In 9 soil, litter and moss samples from two areas from the Asian part of the USSR (south area of the Baikal Lake and environs of Khabarovsk) 87 testacean species and varieties were determined. The species Centropyxis aerophila var. minuta, C. plagiostoma var. oblonga, Cornuapyxis lunaristoma, Corythion dubium var. minima, Cyclopyxis humilis, C. puteus, Difflugia leidyi, D. pulex, Euglypha cristata var. lanceolata, E. laevis var. minor, E. strigosa var. heterospina, Pareuglypha reticulata, Trinema lineare var. minuscula, and T. navicularis are new for the testacean fauna of the USSR. The variety Trinema complanatum var. triangularis var. n. is new for the science. In this work a comparison of the acquired data with the literature data about the testacean fauna of the Asian part of the USSR and the neighbouring countries was realized.