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 Antilopinae Gray, 1821
Genus Madoqua Ogilby, 1837 - dik-diks
1 Madoqua guentheri Thomas, 1894 - Gunther's dik-dik
see Madoqua guentheri Thomas, 1894
2 Madoqua kirkii (Günther, 1880) - Kirk's dik-dik
see Madoqua kirkii Günther, 1880
3 Madoqua piacentinii Drake-Brockman, 1911
4 Madoqua saltiana (Desmarest, 1816) - Salt's dik-dik