Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             Class Mammalia Linnaeus, 1758 - mammals
               Subclass Eutheria Gill, 1872 see Infraclass Eutheria Gill, 1872
                 Superorder Mesaxonia (Marsh, 1884)
                   Order Perissodactyla Owen, 1848 - odd-toed ungulates
                     Suborder Hippomorpha Wood, 1937
                       Superfamily Equoidea (Gray, 1821) Hay, 1902 see Family Equidae Gray, 1821
                         Family Equidae Gray, 1821 - horses, zebras, and asses
                           Genus Equus Linnaeus, 1758 - horses, zebras, and asses
                             Subgenus Hippotigris Smith, 1841 see Equus zebra group Linnaeus, 1758
                               Equus (Hippotigris) quagga Boddaert, 1785 - quagga
                                 1 ‡Equus (Hippotigris) quagga quagga Boddaert, 1785 see Equus quagga group Boddaert, 1785
                                 2 ‡Equus (Hippotigris) quagga burchelli (Gray, 1824) see Equus burchellii burchellii (Gray, 1824)
                                 3 Equus (Hippotigris) quagga antiquorum (Hamilton Smith, 1841) see Equus burchellii antiquorum (Smith, 1841)
                                 4 Equus (Hippotigris) quagga selousi (Pocock, 1897) see Equus burchellii selousi (Pocock, 1897)
                                 5 Equus (Hippotigris) quagga boehmi (Matschie, 1892) see Equus burchellii boehmi Matschie, 1892