Artiodactyla Owen, 1841
Aclistomycter Wilson, 1971
Bathygenys Douglass, 1901
Brachycrus Matthew, 1901
Cyclopidius Cope, 1878
Dayohyus Schultz & Falkenbach, 1968
Desmatochoerus
Epigenetochoerus Schultz & Falkenbach, 1968
Eporeodon Marsh, 1875
Genetochoerus Schultz & Falkenbach, 1968
Hadroleptauchenia Schultz & Falkenbach, 1968
Hypsiops Schultz & Falkenbach, 1950
Leptauchenia Leidy, 1856
Limnenetes Douglass, 1901
Mediochoerus Schultz & Falkenbach, 1941
Merychyus Leidy, 1858
Merycochoerus Leidy, 1858
Merycoides Douglass, 1907
Merycoidodon Leidy, 1848
Mesoreodon Scott, 1893
Miniochoerus Schultz & Falkenbach, 1956
Oreodon Leidy, 1851
Oreodontoides
Oreonetes Loomis, 1924
Otionohyus Schultz & Falkenbach, 1968
Paramerycoidodon Schultz & Falkenbach, 1968
Paroreodon
Phenacocoelus Peterson, 1906
Platyochoerus Schultz & Falkenbach, 1956
Prodesmatochoerus Schultz & Falkenbach, 1954
Promerycochoerus Douglass, 1901
Pronomotherium Douglass, 1907
Pseudocyclopidius Schultz & Falkenbach, 1968
Pseudodesmatochoerus Schultz & Falkenbach, 1954
Sespia Stock, 1930
Stenopsochoerus Schultz & Falkenbach, 1956
Subdesmatochoerus Schultz & Falkenbach, 1954
Ticholeptus Cope, 1878
Ustatochoerus Schultz & Falkenbach, 1941
