Classification of the subfamily Sigmodontinae

Subfm. Sigmodontinae Wagner 1843
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G. Abrothrix Thomas 1916
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Abrothrix illuteus Thomas 1925 [gray akodont]
Abrothrix jelskii Thomas 1894
Abrothrix kermacki Reig 1978
Abrothrix lanosus Thomas 1897
Abrothrix longipilis Waterhouse 1837
Abrothrix magnus Reig 1987
Abrothrix olivaceus Waterhouse 1837
Invalid names: Chroeomys Thomas 1916 [synonym]
G. Chelemys Thomas 1903
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Chelemys macronyx Thomas 1894
G. †Cordimus Zijlstra et al. 2014
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Cordimus debuisonjei Zijlstra et al. 2014
Cordimus hooijeri Zijlstra et al. 2014
Cordimus raton Zijlstra et al. 2014
G. Delomys Thomas 1917
G. Euneomys Coues 1874
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Euneomys chinchilloides Waterhouse 1839
G. Geoxus Thomas 1919
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Geoxus valdivianus Philippi 1858
G. Handleyomys Voss and Pacheco 2002
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Handleyomys fuscatus Allen 1912 [Dusky-footed handleys mouse]
Handleyomys intectus Thomas 1921 [White-footed handleys mouse]
G. Holochilus Brandt 1835 [marsh rat]
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Holochilus brasiliensis Desmarest 1819 [Brazilian marsh rat]
Holochilus magnus Hershkovitz 1855 [greater marsh rat]
Holochilus multannus Ameghino 1889
Holochilus primigenus Steppan 1996
Holochilus sciureus Wagner 1842
G. †Honeymys Martin et al. 2020
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Honeymys mariae Baskin and Korth 1996
Tr. Ichthyomyini Vorontsov 1959
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G. Anotomys Thomas 1906
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Anotomys leander Thomas 1906 [aquatic rat]
G. Chibchanomys Voss 1988 [water mouse]
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Chibchanomys orcesi Jenkins and Barnett 1997 [Chibchan water mouse]
Chibchanomys trichotis Thomas 1897 [Chibchan water mouse]
G. Ichthyomys Thomas 1893 [crab eating rat]
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Ichthyomys pittieri Handley and Mondolfi 1963 [Pittier's crab eating rat]
Ichthyomys tweedii Anthony 1921 [Tweedy's crab eating rat]
G. Neusticomys Anthony 1921 [fish eating rat]
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Neusticomys monticolus Anthony 1921 [montane fish eating rat]
Invalid names: Daptomys Anthony 1929 [synonym]
G. Rheomys Thomas 1906 [water mouse]
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Rheomys mexicanus Goodwin 1959 [Mexican water mouse]
Rheomys raptor Goldman 1912 [Goldman's water mouse]
Rheomys thomasi Dickey 1928 [Thomas's water mouse]
Rheomys underwoodi Thomas 1906 [Underwood's water mouse]
G. †Ichthyurodon Steppan and Pardinas 1998
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Ichthyurodon ameghinoi Steppan and Pardinas 1998
G. Irenomys Thomas 1919
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Irenomys tarsalis Philippi 1900
G. Juliomys González 2000
G. Lundomys Voss and Carleton 1993
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Lundomys molitor Winge 1887
G. Melanomys Thomas 1902
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Melanomys caliginosus Tomes 1860 [Dusky melanomys]
Melanomys robustulus Thomas 1914 [Robust melanomys]
Melanomys zunigae Sanborn 1949 [Zunigas melanomys]
G. Microryzomys Thomas 1917
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G. †Miotomodon Korth 2011
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Miotomodon mayi Korth 2011
G. Nectomys Peters 1861 [water rat]
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Nectomys squamipes Brants 1827 [Neotropical water rat]
G. †Noronhomys Carleton and Olson 1999
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Noronhomys vespuccii Carleton and Olson 1999
G. Oligoryzomys Bangs 1900 [pygmy rice rat]
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Oligoryzomys flavescens Waterhouse 1837
Unr. Oryzomyalia Steppan et al. 2004
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Tr. Akodontini Vorontzov 1959
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G. Akodon Meyen 1833 [akodont]
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Subg. †Akodon (Abrothrix) Reig 1978
Subg. Akodon (Akodon) Meyen 1833
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Akodon (Akodon) azarae Fischer 1829 [Azara's grass mouse]
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Invalid names: Mus arenicola Waterhouse 1837 [synonym]
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Invalid names: Akodon coenosus Thomas 1918 [synonym]
Subg. Akodon (Chalcomys) Thomas 1916
Subg. Akodon (Chelemys) Thomas 1903
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Subg. Akodon (Hypsimys) Thomas 1918
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Akodon (Hypsimys) budini Thomas 1918 [Budin's grass mouse]
Akodon angustidens Winge 1887
Akodon clivigenis Winge 1887
Akodon cursor Winge 1887
Akodon iniscatus Thomas 1919
Akodon johannis Reig 1987
Akodon lindberghi Hershkovitz 1990 [Lindbergh's akodont]
Akodon lorenzinii Reig 1987
Akodon molinae Contreras 1968
Akodon montensis Thomas 1913
Akodon mystax Hershkovitz 1998 [Caparao akodont]
Akodon neocenus Thomas 1919
Akodon philipmyersi Pardiñas et al. 2005
Akodon sanctipaulensis Hershkovitz 1990 [Sao Paulo akodont]
Akodon suffusus Thomas 1903
Akodon tolimae Allen 1913
G. Bibimys Massoia 1979
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Bibimys labiosus Winge 1887
Bibimys torresi Massoia 1979
G. Blarinomys Thomas 1896
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G. Brucepattersonius Hershkovitz 1998
G. Deltamys Thomas 1917
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Deltamys kempi Thomas 1917 [Kemp's grass mouse]
G. Gyldenstolpia Pardiñas et al. 2009
G. Juscelinomys Moojen 1965
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G. Kunsia Hershkovitz 1966 [giant rat]
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Kunsia fronto Winge 1887
Kunsia tomentosus Lichtenstein 1830
G. Lenoxus Thomas 1909
G. Necromys Ameghino 1889
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Necromys benefactus Thomas 1919
Necromys bonapartei Reig 1978
Necromys conifer Ameghino 1889
Necromys lactens Thomas 1918
Necromys obscurus Waterhouse 1837
G. Oxymycterus Waterhouse 1837 [hocicudo]
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Oxymycterus impexus Ameghino 1889
Oxymycterus nasutus Waterhouse 1837
Oxymycterus roberti Thomas 1901
Oxymycterus rufus Fischer 1814 [red hocicudo]
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Invalid names: Oxymycterus rutilans Olfers 1818 [synonym]
Oxymycterus wayku Jayat et al. 2008
G. Scapteromys Waterhouse 1837 [swamp rat]
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Scapteromys tumidus Waterhouse 1837 [Waterhouse's swamp rat]
G. Thalpomys Thomas 1916
G. Thaptomys Thomas 1916
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Thaptomys nigrita Lichtenstein 1819
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G. †Agathaeromys Zijlstra et al. 2010
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Agathaeromys donovani Zijlstra et al. 2010
Agathaeromys praeuniversitatis Zijlstra et al. 2010
G. †Dushimys Zijlstra 2012
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Dushimys larsi Zijlstra 2012
G. Oecomys Thomas 1906
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Oecomys concolor Wagner 1845
G. Oryzomys Baird 1857 [rice rat]
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Oryzomys albigularis Tomes 1860 [White-throated oryzomys]
Oryzomys alfaroi Allen 1891 [Alfaros oryzomys]
Oryzomys angouya Fischer 1814 [Angouya oryzomys]
Oryzomys anoblepas Winge 1887
Oryzomys balneator Thomas 1900 [Ecuadoran oryzomys]
Oryzomys barbacoas Allen 1916
Oryzomys chapmani Thomas 1898 [Chapmans oryzomys]
Oryzomys couesi Alston 1876 [Coues oryzomys]
Oryzomys delticola Thomas 1917
Oryzomys flavescens Waterhouse 1837 [yellow pygmy rice rat]
Oryzomys fossilis Hibbard 1955
Oryzomys fulvescens Saussure 1860 [fulvous pygmy rice rat]
Oryzomys hammondi Thomas 1913 [Hammonds oryzomys]
Oryzomys palustris Harlan 1837 [marsh rice rat]
Oryzomys ratticeps Hensel 1837
Oryzomys russatus Wagner 1848
Oryzomys subflavus Wagner 1842
G. Sooretamys Weksler et al. 2006
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Sooretamys angouya Fischer 1814
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G. †Chukimys Barbiere et al. 2016
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Chukimys favaloroi Barbiere et al. 2016
G. †Dankomys Reig 1978
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Dankomys simpsoni Reig 1978
Dankomys vorohuensis Reig 1994
G. †Olympicomys Steppan and Pardinas 1998
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Olympicomys vossi Pardiñas et al. 2002
G. Reithrodon Waterhouse 1837 [bunny rat]
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Reithrodon auritus Fischer 1814 [bunny rat]
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Invalid names: Proreithrodon chapalmalense Ameghino 1908 [synonym], Proreithrodon incipens Ameghino 1908 [synonym]
Reithrodon chapalmalense Ameghino 1908
Invalid names: Proreithrodon Ameghino 1908 [synonym]
Invalid names: Thomasomyini [empty]
G. †Panchomys Pardiñas 1997
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Panchomys steppani Pardiñas 1997
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G. Auliscomys Osgood 1915
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Auliscomys fuscus Quintana 2002
Auliscomys osvaldoreigi Quintana 2002
G. Calomys Waterhouse 1837 [vesper mouse]
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Subg. Calomys (Calomys) Waterhouse 1837
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Calomys callosus Rengger 1830 [big laucha]
Calomys expulsus Lund 1841 [Caatinga laucha]
Calomys hummelincki Husson 1960
Calomys laucha Desmarest 1816 [small vesper mouse]
Calomys musculinus Thomas 1913
Calomys tener Winge 1887 [delicate vesper mouse]
Calomys tocantinsi Bonvicino et al. 2003
Invalid names: Cimmaronomys Hibbard 1953 [synonym]
G. †Eligmodontia Cuvier 1837
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Eligmodontia typus Cuvier 1837
G. Graomys Thomas 1916
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Graomys dorae Reig 1978
Graomys griseoflavus Waterhouse 1837
G. †Kraglievichimys Barbière et al. 2019
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G. Loxodontomys Osgood 1947
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Loxodontomys micropus Waterhouse 1837
G. Neotomys Thomas 1894
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Neotomys ebriosus Thomas 1894
G. †Pardinamys Ortiz et al. 2012
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Pardinamys humahuaquensis Ortiz et al. 2012
G. Phyllotis Waterhouse 1837
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Phyllotis anitae Jayat et al. 2007
Phyllotis xanthopygus Waterhouse 1837
G. †Tafimys Ortiz et al. 2000
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Tafimys powelli Ortiz et al. 2000
G. Pseudoryzomys Hershkovitz 1962
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G. Rhipidomys Tschudi 1844 [climbing mouse]
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G. Scolomys Anthony 1924
G. Thomasomys Coues 1884
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G. †Cholomys Reig 1980
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Cholomys pearsoni Reig 1980
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Invalid names: Wiedomys marplatensis Quintana 2002 [synonym]
G. Wiedomys Hershkovitz 1959
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Wiedomys cerradensis Gonçalves et al. 2005
Wiedomys pyrrhorhinos Wied-Neuwied 1821
G. Wilfredomys Avila-Pires 1960
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Wilfredomys oenax Thomas 1928