Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Lagomorpha Brandt, 1855 - lagomorphs
       Family Ochotonidae Thomas, 1897 - pikas
         Genus Ochotona Link, 1795 - pikas
           Subgenus Pika Lacépède, 1799
             Ochotona pallasi (Gray, 1867)
               1 [Ochotona pallasi pallasi]ᵀ (Gray, 1867)
               2 Ochotona pallasi hamica Thomas, 1912
               3 Ochotona pallasi pricei Thomas, 1911
               4 Ochotona pallasi sunidica Ma et al., 1980