Rodentia Bowdich, 1821
Agnomys Kraglievich, 1940
Artigasia Francis & Mones, 1966
Briaromys Ameghino, 1889
Colpostemma Ameghino, 1891
Dinomys Peters, 1873
Doellomys Alvarez, 1947
Eumegamys Kraglievich, 1926
Eumegamysops Alvarez, 1947
Eusigmomys Ameghino, 1905
Gyriabrus Ameghino, 1891
Olenopsis Ameghino, 1889
Orthomys Ameghino, 1881
Pentastylodon Alvarez, 1947
Perumys Kretzoi & Voros, 1989
Phoberomys Kraglievich, 1929
Potamarchus Burmeister, 1885
Pseudodiodomus de Paula Couto, 1979
Pseudosigmomys Kraglievich, 1931
Scleromys Ameghino, 1887
Simplimus Ameghino, 1904
Telicomys Kraglievich, 1929
Telodontomys Kraglievich, 1931
Tetrastylus Ameghino, 1886
