Mammalia Linnaeus, 1758
Almogaver Crusafont-Pairó & Villalta, 1954
Copecion Gingerich, 1989
Ectocion Cope, 1882
Eohyus Marsh, 1877
Euprotogonia Cope, 1893
Gidleyina Simpson, 1935
Meniscotherium Cope, 1874
Orthaspidotherium Lemoine, 1891
Orthaspitherium Lemoine, 1885
Phenacodus Cope, 1873
Pleuraspidotherium Lemoine, 1878
Tetraclaenodon Scott, 1892
