Opinions from U. F. J. PardiƱas et al. 2002
- 'Abrothrix lanosus belongs to Abrothrix' according to Thomas 1897
- 'Abrothrix longipilis belongs to Abrothrix' according to Waterhouse 1837
- 'Abrothrix olivaceus belongs to Abrothrix' according to Waterhouse 1837
- 'Akodon (Abrothrix) kermacki is recombined as Necromys kermacki' according to Pardinas 1995
- 'Akodon (Abrothrix) kermacki is recombined as Abrothrix kermacki'
- 'Akodon (Abrothrix) magnus is recombined as Abrothrix magnus' according to Reig 1987
- 'Akodon angustidens belongs to Akodon' according to Winge 1887
- 'Akodon clivigenis belongs to Akodon' according to Winge 1887
- 'Akodon cursor belongs to Akodon' according to Winge 1887
- 'Akodon iniscatus belongs to Akodon' according to Thomas 1919
- 'Akodon johannis belongs to Akodon' according to Reig 1987
- 'Akodon lorenzinii belongs to Akodon' according to Reig 1987
- 'Akodon molinae belongs to Akodon' according to Contreras 1968
- 'Akodon montensis belongs to Akodon' according to Thomas 1913
- 'Akodon neocenus belongs to Akodon' according to Thomas 1919
- 'Auliscomys formosus belongs to Auliscomys' according to Reig 1978
- 'Bibimys labiosus belongs to Bibimys' according to Winge 1887
- 'Bibimys torresi belongs to Bibimys' according to Massoia 1979
- 'Blarinomys breviceps belongs to Blarinomys' according to Winge 1887
- 'Calomys hummelincki belongs to Calomys' according to Husson 1960
- 'Calomys musculinus belongs to Calomys' according to Thomas 1913
- 'Chelemys macronyx belongs to Chelemys' according to Thomas 1894
- 'Cholomys pearsoni belongs to Cholomys' according to Reig 1980
- 'Dankomys simpsoni belongs to Dankomys' according to Reig 1978
- 'Dankomys vorohuensis belongs to Dankomys' according to Reig 1994
- 'Euneomys chinchilloides belongs to Euneomys' according to Waterhouse 1839
- 'Geoxus valdivianus belongs to Geoxus' according to Philippi 1858
- 'Graomys dorae belongs to Graomys' according to Reig 1978
- 'Graomys griseoflavus belongs to Graomys' according to Waterhouse 1837
- 'Holochilus chacarius belongs to Holochilus' according to Thomas 1906
- 'Holochilus sciureus belongs to Holochilus' according to Wagner 1842
- 'Ichthyurodon belongs to Sigmodontinae' according to Steppan and Pardinas 1998
- 'Ichthyurodon ameghinoi belongs to Ichthyurodon' according to Steppan and Pardinas 1998
- 'Irenomys tarsalis belongs to Irenomys' according to Philippi 1900
- 'Juscelinomys talpinus belongs to Juscelinomys' according to Winge 1887
- 'Kunsia fronto belongs to Kunsia' according to Winge 1887
- 'Kunsia tomentosus belongs to Kunsia' according to Lichtenstein 1830
- 'Loxodontomys micropus belongs to Loxodontomys' according to Waterhouse 1837
- 'Lundomys molitor belongs to Lundomys' according to Winge 1887
- 'Megaoryzomys curioi belongs to Megaoryzomys' according to Niethammer 1964
- 'Microryzomys belongs to Sigmodontinae' according to Thomas 1917
- 'Microryzomys minutus belongs to Microryzomys' according to Tomes 1860
- 'Necromys benefactus belongs to Necromys' according to Thomas 1919
- 'Necromys bonapartei belongs to Necromys' according to Reig 1978
- 'Necromys lasiurus belongs to Necromys' according to Lund 1840
- 'Necromys obscurus belongs to Necromys' according to Waterhouse 1837
- 'Oecomys concolor belongs to Oecomys' according to Wagner 1845
- 'Oligoryzomys eliurus belongs to Oligoryzomys' according to Wagner 1845
- 'Olympicomys belongs to Sigmodontinae' according to Steppan and Pardinas 1998
- 'Olympicomys vossi belongs to Olympicomys'
- 'Oryzomys anoblepas belongs to Oryzomys' according to Winge 1887
- 'Oryzomys ratticeps belongs to Oryzomys' according to Hensel 1837
- 'Oryzomys russatus belongs to Oryzomys' according to Wagner 1848
- 'Oryzomys subflavus belongs to Oryzomys' according to Wagner 1842
- 'Oxymycterus cosmodus belongs to Oxymycterus' according to Winge 1887
- 'Oxymycterus roberti belongs to Oxymycterus' according to Thomas 1901
- 'Panchomys belongs to Sigmodontinae' according to Pardinas 1997
- 'Panchomys steppani belongs to Panchomys' according to PardiƱas 1997
- 'Phyllotis xanthopygus belongs to Phyllotis' according to Waterhouse 1837
- 'Pseudoryzomys belongs to Sigmodontinae' according to Hershkovitz 1962
- 'Pseudoryzomys simplex belongs to Pseudoryzomys' according to Winge 1887
- 'Rhipidomys mastacalis belongs to Rhipidomys' according to Lund 1840
- 'Scapteromys aquaticus belongs to Scapteromys' according to Thomas 1920
- 'Sigmodon alstoni belongs to Sigmodon' according to Thomas 1880
- 'Thaptomys nigrita belongs to Thaptomys' according to Lichtenstein 1819
- 'Wiedomys pyrrhorhinos belongs to Wiedomys' according to Wied-Neuwied 1821