Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Perissodactyla Owen, 1848 - odd-toed ungulates
       Family Equidae Gray, 1821 [monotypic] - horses, zebras, and asses
         Genus Equus Linnaeus, 1758 - horses, zebras, and asses
           Equus quagga group Boddaert, 1785
             Equus burchellii (Gray, 1824) - Burchell's zebra
               1 ‡Equus burchellii burchellii (Gray, 1824)
               2 Equus burchellii antiquorum (Smith, 1841)
               3 Equus burchellii boehmi Matschie, 1892
               4 Equus burchellii borensis Lönnberg, 1921
               5 Equus burchellii chapmanni Layard, 1866
               6 Equus burchellii crawshaii de Winton, 1896