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 Bovinae Gray, 1821
         Genus Tragelaphus Blainville, 1816 - bongo, sitatunga, bushbuck, nyalas, and kudus
           Tragelaphus angasii Gray, in Angas, 1848[1849] - nyala