Class Mammalia Linnaeus, 1758 - mammals
   Order Artiodactyla Owen, 1848 - even-toed ungulates see Order Cetartiodactyla Montgelard, Catzeflis & Douzery, 1997
     Family Bovidae Gray, 1821 - antelope, cattle, bison, buffalo, goats, and sheep
       Subfamily Reduncinae Lydekker & Blaine, 1914 see Tribe Reduncini Lydekker & Blaine, 1914
         Genus Kobus Smith, 1840 - waterbuck, lechwes, kob, and puku
           1 Kobus ellipsiprymnus (Ogilby, 1833) - waterbuck
           2 Kobus kob (Erxleben, 1777) - kob
           3 Kobus leche Gray, 1850 - lechwe
           4 Kobus megaceros Fitzinger, 1855 - Nile lechwe
           5 Kobus vardonii Livingstone, 1857 - puku