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
Genus Cephalophus Smith, 1827 - forest duikers
01 Cephalophus adersi Thomas, 1918 - Aders' duiker
02 Cephalophus callipygus Peters, 1876 - Peters' duiker
03 Cephalophus dorsalis Gray, 1846 - bay duiker
04 Cephalophus jentinki (Thomas, 1892) - Jentink's duiker
05 Cephalophus leucogaster Gray, 1873 - white-bellied duiker
06 Cephalophus natalensis A. Smith, 1834 - red forest duiker
07 Cephalophus niger Gray, 1846 - black duiker
08 Cephalophus nigrifrons Gray, 1871 - black-fronted duiker
09 Cephalophus ogilbyi (Waterhouse, 1838) - Ogilby's duiker
10 Cephalophus rufilatus Gray, 1846 - red-flanked duiker
11 Cephalophus spadix True, 1890 - Abbott's duiker
12 Cephalophus sylvicultor (Afzelius, 1815) - yellow-backed duiker
see Cephalophus silvicultor (Afzelius, 1815)
13 Cephalophus weynsi Thomas, 1901
14 Cephalophus zebra (Gray, 1838) - banded duiker