Rodentia Bowdich, 1821
Amblyrhiza Cope, 1868
Clidomys Anthony, 1920
Elasmodontomys Anthony, 1916
Pentastylomys Kraglievich, 1929
Quemisia Miller, 1929
Tetrastylomys Kraglievich, 1929
Xaymaca MacPhee & Flemming, 2003