Rodentia Bowdich, 1821
Anatochoerus Vucetich & Mones, 1991
Anchimys Ameghino, 1886
Anchimysops Kraglievich, 1927
Cardiatherium Ameghino, 1883
Chapalmatherium Ameghino, 1908
Contracavia Burmeister, 1885
Hydrochoeropsis Kraglievich, 1930
Kiyutherium Francis & Mones, 1965
Neoanchimys Pascual & Bondesio, 1961
Neochoerus Hay, 1926
Nothydrochoerus Rusconi, 1935
Phugatherium Ameghino, 1887
Porcellusignum Casamiquela, 1982
Procardiatherium Ameghino, 1885
Protohydrochoerus Rovereto, 1914
Xenocardia Pascual & Bondesio, 1963
