Rodentia Bowdich, 1821
Abalosia Reig & Quintana, 1991
Acaremys Ameghino, 1887
Aconaemys Ameghino, 1891
Actenomys Burmeister, 1888
Chasicomys Pascual, 1967
Ctenomys Blainville, 1826
Dendrolejus Troschel, 1848
Eoctodon Ameghino, 1902
Eucoelophorus Ameghino
Massoiamys Vucetich, 1978
Megactenomys Rusconi, 1930
Migraveramus Patterson & Wood, 1982
Octodon Bennett, 1832
Octodontomys Palmer, 1903
Octomys Thomas, 1920
Paephagomys Cuvier, 1834
Palaeoctodon Rovereto, 1913
Paradoxomys Ameghino, 1885
Phtoramys Ameghino, 1887
Pipanacoctomys Mares, Braun, Barquez & Diaz, 2000
Pithanotomys Ameghino, 1887
Platypittamys Wood, 1949
Praectenomys Villarroel, 1975
Psammomys Pöppig, 1835
Pseudoplataeomys
Salinoctomys Mares, Braun, Barquez & Diaz, 2000
Schizodon Waterhouse, 1842
Sciamys Ameghino, 1887
Spalacopus Wagler, 1832
Tarijamys Takai, Arozqueta, Mizuno, Yoshida & Kondo, 1984
Tympanoctomys Yepes, 1941
Xenodontomys Kraglievich, 1927
