Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Artiodactyla Owen, 1848 - even-toed ungulates see Order Cetartiodactyla Montgelard, Catzeflis & Douzery, 1997
       Family Cervidae Batsch, 1788 - deer
         Subfamily Capreolinae Brookes, 1828
           Genus Capreolus Gray, 1821 - roe deer
             Capreolus pygargus (Pallas, 1771) - eastern roe deer
               1 [Capreolus pygargus pygargus] Pallas
               2 Capreolus pygargus bedfordi Thomas, 1908
               3 Capreolus pygargus mantschuricus Noack
               4 Capreolus pygargus ochraceus Barclay, 1935