Muridae Illiger, 1815
Oligoryzomys andinus (Osgood, 1914)
Oligoryzomys arenalis (Thomas, 1913)
Oligoryzomys brendae Massoia, 1998
Oligoryzomys chacoensis (Myers & Carleton, 1981)
Oligoryzomys delticola (Thomas, 1917)
Oligoryzomys destructor (Tschudi, 1844)
Oligoryzomys eliurus (Wagner, 1845)
Oligoryzomys flavescens (Waterhouse, 1837)
Oligoryzomys fornesi Massoia, 1973
Oligoryzomys fulvescens (Saussure, 1860)
Oligoryzomys griseolus (Osgood, 1912)
Oligoryzomys longicaudatus (Bennett, 1832)
Oligoryzomys magellanicus (Bennett, 1836)
Oligoryzomys microtis (Allen, 1916)
Oligoryzomys moojeni (Weksler & Bonvicino, 2005)
Oligoryzomys nigripes (Olfers, 1818)
Oligoryzomys rupestris (Weksler & Bonvicino, 2005)
Oligoryzomys stramineus Bonvicino & Weksler, 1998
Oligoryzomys vegetus (Bangs, 1902)
Oligoryzomys victus (Thomas, 1898)
