Artiodactyla Owen, 1841
Antilocapra Ord, 1818
Capromeryx Matthew, 1902
Casoryx Wallace, 1876
Ceratomeryx Gazin, 1935
Cosoryx Leidy, 1869
Dicranoceras Wiegmann, 1838
Dicranoceros McMurtrie, 1834
Frickoceros Kretzoi & Kretzoi, 2000
Hayoceros Frick, 1937
Hexameryx White, 1941
Hexobelomeryx Furlong, 1941
Ilingoceros Merriam, 1909
Mazama Ogilby, 1837
Merriamoceros Frick, 1937
Merycodus Leidy, 1854
Osbornoceros Frick, 1937
Ottoceros Miller & Downs, 1974
Paracosoryx Frick, 1937
Plioceros Frick, 1937
Proantilocapra Barbour & Schultz, 1934
Ramoceros Frick, 1937
Sphenophalos Merriam, 1909
Stockoceros Frick, 1937
Subantilocapra Webb, 1973
Submeryceros Frick, 1937
Tetrameryx Lull, 1921
Texoceros Frick, 1937
