Artiodactyla Owen, 1841
Caenomeryx
Cainotherium Bravard, 1828
Eucrotaphus Leidy, 1850
Hadrohyus Leidy, 1872
Microtherium Meyer, 1837
Oxacron Filhol, 1884
Paroxacron Hürzeler, 1937
Plesiomaeryx Gervais, 1873
Plesiomeryx Gervais, 1876
