Requested reference
Utochkin, A. S. (1968). Pauki roda Xysticus faunii SSSR (Opredelitel'). Ed. Univ. Perm, 73 pp. 
-- Show included taxa
Utochkin, A. S. (1968). Pauki roda Xysticus faunii SSSR (Opredelitel'). Ed. Univ. Perm, 73 pp. -- Show included taxa