Rodentia Bowdich, 1821
Chinchilla Bennett, 1829
Eoviscaccia Vucetich, 1990
Lagidium Meyen, 1833
Lagostomus Brookes, 1828
Megamys d'Orbigny, 1842
Pliolagostomus Ameghino, 1887
Prolagostomus Ameghino, 1887
Sphodromys Ameghino, 1887