Sicista severtzovi (Ognev, 1935) . Byullet. Nauchno-issled. Inst. Zool., Mosk., 2:54.

TYPE LOCALITY: Russia, Voronezh Oblast, Bobrov District, Kamennaya Steppe Experimental Station .

DISTRIBUTION: S Russia.

COMMENTS: Sokolov et al. (1986a) separated this species from S. subtilis by its distinctive karyotype. It is provisionally recognized here, but further documentation, and the inclusion of other data sets, are needed to establish its specific status.