Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Hystricognathi

Mammalia - Rodentia

Synonyms
Synonymy list
YearName and author
1899Hystricognathi Tullberg
1911Hystricognathi Jaekel p. 222
1962Phiomorpha Lavocat
1982Hystricognathi Patterson and Wood
1988Hystricognathi Carroll
1988Phiomorpha Carroll
1996Hystricognathi Vucetich and Verzi
1997Hystricognathi McKenna and Bell
1999Hystricognathi Nowak
1999Phiomorpha Nowak
2001Phiomorpha Huchon and Douzery p. 242
2001Hystricognathi Kramarz
2002Hystricognathi Montgelard et al. p. 230
2005Hystricognathi Wilson and Reeder
2006Phiomorpha Stevens et al. p. 407
2010Hystricognathi Coster et al. p. 698
2010Hystricognathi Kramarz et al.
2010Hystricognathi Vucetich et al.
2011Hystricognathi Pérez and Vucetich
2012Hystricognathi Pérez et al.
2014Hystricognathi Arnal et al.
2014Hystricognathi Sostillo et al. p. 286
2014Hystricognathi Vucetich et al.
2015Hystricognathi Arnal and Vucetich
2015Hystricognathi Turvey et al. p. 207
2017Hystricognathi Madozzo-Jaén and Pérez p. 380

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
subclassSynapsida
Therapsida()
infraorderCynodontia()
Mammaliamorpha
RankNameAuthor
Mammaliaformes
classMammalia
Theriamorpha(Rowe 1993)
Theriiformes()
Trechnotheria
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
EuarchontogliresMurphy et al. 2001
GliriformesWyss and Meng 1996
Glires()
Simplicidentata()
orderRodentiaBowdich 1821
CtenohystricaHuchon et al. 2000
infraorderHystricognathi(Tullberg 1899)
infraorderHystricognathi(Tullberg 1899)

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Infraor. Hystricognathi Tullberg 1899
show all | hide all
G. †Bugtimys Marivaux et al. 2002
+
Bugtimys zafarullahi Marivaux et al. 2002
Unr. Caviomorpha Wood and Patterson 1955 [caviomorph]
+
G. †Aenigmys Vucetich et al. 2005
+
Aenigmys diamantensis Vucetich et al. 2005
G. †Balsayacuy Boivin et al. 2021
+
Balsayacuy huallagaensis Boivin et al. 2021
G. †Cachiyacuy Antoine et al. 2011
+
Cachiyacuy contamanensis Antoine et al. 2011
Cachiyacuy kummeli Antoine et al. 2011
G. †Canaanimys Antoine et al. 2011
+
Canaanimys maquiensis Antoine et al. 2011
Superfm. Cavioidea Fischer de Waldheim 1817
+
Fm. Agoutidae Gray 1821
+
Subfm. †Dasyproctinae Gray 1825
+
G. †Eoincamys Frailey and Campbell, Jr 2004
G. †Eopicure Frailey and Campbell, Jr 2004
G. †Andemys Bertrand et al. 2012
+
Andemys termasi Bertrand et al. 2012
G. †Asteromys Ameghino 1897
+
Asteromys bolivianus Lavocat 1976
Asteromys puelche Candela et al. 2021
Asteromys punctus Ameghino 1897
G. †Banderomys Kramarz 2005
+
Banderomys leanzai Kramarz 2005
Fm. Caviidae Gray 1821
+
G. †Allocavia Pascual 1962
+
Allocavia chasicoense Pascual 1962
Subfm. †Cardiomyinae Kraglievich 1930
+
G. †Parodimys Kraglievich 1932
G. †Cardiomys Ameghino 1885
+
Subg. †Cardiomys (Pseudocardiomys) Kraglievich 1932
Cardiomys ameghinorum Rovereto 1914
Cardiomys cavinus Ameghino 1885
Cardiomys leufuensis Pérez et al. 2018
Cardiomys mesopotamicus Ameghino 1888
Invalid names: Cardiomys andinus Kraglievich 1930 [nomen dubium]
G. Cavia Pallas 1766 [guinea pig]
+
Subg. Cavia (Cavia) Pallas 1766
Cavia aperea Erxleben 1777 [Brazilian guinea pig]
Cavia cabrerai Candela and Bonini 2017
Cavia fulgida Wagler 1831 [shiny guinea pig]
Cavia galileoi Verzi and Quintana 2005
Cavia intermedia Cherem et al. 1999 [Santa Catarina's guinea pig]
Cavia lamingnae Locks and Montenegro 1985
Cavia magna Ximenez 1980 [greater guinea pig]
Cavia oeningensis Holl 1829
Cavia patzelti Schliemann 1982
Cavia porcellus Linnaeus 1758 [guinea pig]
+
Invalid names: Cavia cobaya Pallas 1766 [objective synonym]
Cavia tschudii Fitzinger 1867 [montane guinea pig]
Cavia vates Winge 1887
Subfm. Caviinae Gray 1821
+
G. Galea Meyen 1832
G. †Palaeocavia Ameghino 1889
G. †Caviodon Ameghino 1885
+
Subg. †Caviodon (Paracaviodon) Kraglievich 1932
Caviodon andalhualensis Pérez et al. 2018
Caviodon australis Ameghino 1889
Caviodon cuyano Vucetich et al. 2011
Caviodon multiplicatus Ameghino 1885
+
Invalid names: Caviodon angustidens Kraglievich 1932 [synonym], Caviodon bravardi Kraglievich 1927 [synonym], Caviodon paranensis Kraglievich 1930 [synonym], Caviodon scalai Kraglievich 1932 [synonym]
Caviodon pozzii Kraglievich 1927
G. †Caviops Ameghino 1908
+
Caviops chapadmalalensis Ameghino 1908
Caviops chapalmalensis Ameghino 1908
Caviops duplicatus Ameghino 1908
G. †Dolicavia Ameghino 1916
+
Dolicavia minuscula Ameghino 1908
+
Invalid names: Dolicavia loberiaense Ameghino 1908 [synonym]
Subfm. Dolichotinae [mara]
+
G. †Eodolichotis Walton 1990
G. Pediolagus Marelli 1927
G. †Pliodolichotis Kraglievich 1927
G. †Rhodanodolichotis Walton 1990
G. Dolichotis Desmarest 1820 [mara]
+
Dolichotis andina Rovereto 1914
Dolichotis intermedia Ameghino 1889
Dolichotis minuscula Ameghino 1908
Dolichotis patagonum Zimmermann 1780 [Patagonian mara]
Dolichotis platycephala Ameghino 1889
Dolichotis salinicola Burmeister 1876
Subfm. Hydrochoerinae Gill 1872
+
G. †Hydrochoeropsis Kraglievich 1930
G. Hydrochoerus Brisson 1762 [capybara]
+
Invalid names: Capiguara Liais 1872 [synonym], Xenohydrochoerus Rusconi 1934 [synonym]
G. †Neochoerus Hay 1926
+
Invalid names: Oromys Leidy 1853 [synonym], Prohydrochoerus Spillmann 1941 [synonym]
G. †Xenocardia Pascual and Bondesio 1963
G. Kerodon Cuvier 1823
+
Cerodon priscus Ameghino 1889
Cerodon pygmeus Ameghino 1889
Cerodon turgeo Ameghino 1889
Kerodon rupestris Wied 1820
G. Microcavia Gervais and Ameghino 1880
+
Microcavia aua Mones and Castiglioni 1979
Microcavia australis Geoffroy and Dorbigny 1833
Microcavia chapalmalensis Ameghino 1908
Microcavia isolinense Castellanos 1936
Microcavia prona Ameghino 1889
Microcavia uncinata Ameghino 1889
G. †Neocavia Kraglievich 1932
+
Neocavia depressidens Parodi and Kraglievich 1948
Neocavia lozanoi Kraglievich 1932
Neocavia pampeana Madozzo-Jaén et al. 2018
G. †Orthomyctera Ameghino 1889
+
Orthomyctera andina Rovereto 1914
Orthomyctera brocherense Castellanos 1936
Orthomyctera chapalmalense Ameghino 1908
Orthomyctera lacunosa Ameghino 1888
Orthomyctera lata Ameghino 1889
Orthomyctera rigens Ameghino 1888
Orthomyctera vaga Ameghino 1889
G. †Pascualia Ortega Hinosa 1963
+
Pascualia laeviplicata Ortega Hinosa 1963
G. †Procardiomys Pascual 1961
+
Procardiomys martinoi Pascual 1961
G. †Prodolichotis Kraglievich 1932
+
Prodolichotis guerreroi Walton 1990
Prodolichotis pridiana Fields 1957
Prodolichotis prisca Rovereto 1914
G. †Propediolagus Ortega Hinosa 1963
+
Propediolagus marplatensis Ortega Hinosa 1963
G. †Chubutomys Wood and Patterson 1959
+
Chubutomys leucoreios Pérez et al. 2010
Chubutomys navaensis Pérez et al. 2012
Chubutomys simpsoni Wood and Patterson 1959
Fm. Cuniculidae Miller and Gidley 1918
+
G. Cuniculus Brisson 1762
+
Cuniculus paca Linnaeus 1766 [lowland paca]
Cuniculus taczanowskii Stolzmann 1885 [mountain paca]
Invalid names: Agouti Lacépède 1799 [objective synonym]
Fm. Dasyproctidae Gray 1825
+
G. †Alloiomys Vucetich 1977
+
Alloiomys friasensis Kraglievich 1930
+
Invalid names: Alloiomys pattersoni Vucetich 1979 [synonym]
G. †Australoprocta Kramarz 1998
+
Australoprocta fleaglei Kramarz 1998
G. Dasyprocta Illiger 1811 [agouti]
+
Dasyprocta leporina Linnaeus 1758 [red-rumped agouti]
+
Invalid names: Mus aguti Linnaeus 1766 [synonym]
Dasyprocta punctata Gray 1842 [Central American agouti]
G. †Mesoprocta Croft et al. 2011
+
Mesoprocta hypsodus Croft et al. 2011
G. †Microscleromys Walton 1990
+
G. Myoprocta Thomas 1903 [acouchi]
+
Myoprocta acouchy Erxleben 1777 [red acouchi]
+
Invalid names: Dasyprocta exilis Wagler 1831 [synonym], Dasyprocta leptura Wagner 1844 [synonym]
Myoprocta milleri Allen 1913
Myoprocta pratti Pocock 1913 [green acouchi]
G. †Eobranisamys Frailey and Campbell, Jr 2004
+
Eobranisamys javierpradoi Boivin et al. 2017
Eobranisamys riverai Frailey and Campbell, Jr 2004
Eobranisamys romeropittmanae Frailey and Campbell, Jr 2004
G. †Eocardia Ameghino 1887
+
Subg. †Eocardia (Dicardia) Ameghino 1891
+
Eocardia (Dicardia) maxima Ameghino 1891
Eocardia (Dicardia) modica Ameghino 1891
Subg. †Eocardia (Procardia) Ameghino 1891
Subg. †Eocardia (Tricardia) Ameghino 1891
+
Eocardia montana Ameghino 1887
Eocardia petersoni Scott 1905
Eocardia robertoi Vucetich 1984
Eocardia robusta Vucetich 1984
+
Invalid names: Eocardia divisa Ameghino 1887 [synonym], Eocardia perforata Ameghino 1887 [synonym]
Fm. †Eocardiidae Ameghino 1891
+
G. †Dicardia Ameghino 1891
+
Dicardia fissa Ameghino 1891
Dicardia proxima Ameghino 1894
Subfm. †Eocardiinae Wood and Patterson 1959
+
G. †Schistomys Ameghino 1887
G. †Eoprocardia Trouessart 1904
+
Eoprocardia elliptica Ameghino 1891
Invalid names: Procardia Ameghino 1891 [replaced]
G. †Hedimys Ameghino 1887
+
Hedimys integratus Ameghino 1887
G. †Matiamys Vucetich 1984
+
Matiamys elegans Vucetich 1984
G. †Megastus Roth 1898
+
Megastus elongatus Roth 1898
G. †Phanomys Ameghino 1887
+
Phanomys mixtus Ameghino 1887
Phanomys vetulus Ameghino 1891
G. †Tricardia Ameghino 1891
Invalid names: Luantinae Wood and Patterson 1959 [empty]
G. †Guiomys Pérez 2010
+
Guiomys unica Pérez 2010
Fm. Hydrochoeridae Gill 1872
+
G. †Anatochoerus Vucetich and Mones 1991
+
Anatochoerus inusitatus Vucetich and Mones 1991
G. †Cantracavia Burmeister 1885
G. †Cardiatherium Ameghino 1883
+
Cardiatherium calingastaense Cerdeño et al. 2019
Cardiatherium chasicoense Pascual and Bondesio 1968
Cardiatherium dubium Pascual and Bondesio 1968
Cardiatherium isseli Rovereto 1914
Cardiatherium lynchii Ameghino 1889
Cardiatherium magnum Kraglievich 1940
Cardiatherium paranense Ameghino 1883
+
Invalid names: Anchimys marshi Ameghino 1891 [synonym], Cardiatherium denticulatum Ameghino 1885 [synonym], Cardiatherium doeringi Ameghino 1883 [synonym], Cardiatherium petrosum Ameghino 1885 [synonym], Procardiatherium crassum Ameghino 1885 [synonym], Procardiatherium simplicidens Ameghino 1885 [synonym]
Cardiatherium patagonicum Vucetich et al. 2005
Cardiatherium rosendoi Bondesio 1985
Cardiatherium rothi Kraglievich 1945
Cardiatherium talicei Francis and Jones 1965
Cardiotherium isseli Rovereto 1914
Invalid names: Anchimys Ameghino 1886 [synonym], Kiyutherium Francis and Mones 1965 [synonym], Plexochoerus Ameghino 1886 [synonym], Procardiatherium Ameghino 1885 [synonym]
G. †Contracavia Burmeister 1885
+
Contracavia minuta Ameghino 1885
G. †Phugatherium Ameghino 1887
+
Phugatherium cataclisticum Ameghino 1887
+
Invalid names: Chapalmatherium irenense Reig 1958 [synonym], Hydrochoerus lydekkeri Moreno 1888 [synonym], Neoanchimys pisanoi Pascual and Bondesio 1961 [synonym], Protohydrochoerus perturbidus Ameghino 1889 [synonym], Protohydrochoerus rothi Rovereto 1914 [synonym]
Phugatherium dichroplax Ahearn and Lance 1980
+
Invalid names: Neochoerus cordobai Carranza-Castaneda and Miller 1989 [synonym], Neochoerus lancei Mones 1980 [synonym]
Phugatherium novum Ameghino 1908
+
Invalid names: Chapalmatherium saavedrai Hoffstetter et al. 1984 [synonym]
Invalid names: Anchimysops Kraglievich 1927 [synonym], Chapalmatherium Ameghino 1908 [synonym], Neoanchimys Pascual and Bondesio 1961 [synonym], Protohydrochoerus Rovereto 1914 [synonym]
Subfm. †Protohydrochoerinae Kraglievich 1930
+
G. †Nothydrochoerus Rusconi 1935
Invalid names: Anatochoerinae Mones and Vucetich 1991 [invalid subgroup], Cardiatheriinae Kraglievich 1930 [invalid subgroup]
G. †Luantus Ameghino 1899
+
Luanthus initialis Ameghino 1902
Luantus minor Pérez et al. 2010
Luantus propheticus Ameghino 1899
+
Invalid names: Eocardia prisca Ameghino 1899 [synonym]
Luantus sompallwei Solorzano et al. 2020
Luantus toldensis Kramarz 2006
G. †Microcardiodon Pérez and Vucetich 2011
+
Microcardiodon huemulensis Kraglievich 1930
Microcardiodon williensis Pérez and Vucetich 2011
G. †Neoreomys Ameghino 1887
+
Neoreomys australis Ameghino 1887
+
Invalid names: Neoreomys (Pseudoneoreomys) leptorhynchus Ameghino 1891 [synonym], Neoreomys (Pseudoneoreomys) mesorhynchus Ameghino 1891 [synonym], Neoreomys (Pseudoneoreomys) pachyrhynchus Ameghino 1891 [synonym], Neoreomys decisus Ameghino 1887 [synonym], Neoreomys indivisus Ameghino 1887 [synonym], Neoreomys variegatus Ameghino 1894 [synonym]
Neoreomys huilensis Fields 1957
Neoreomys limatus Ameghino 1891
Neoreomys pinturensis Kramarz 2006
Invalid names: Neoreomys (Pseudoneoreomys) Ameghino 1891 [invalid subgroup]
G. †Soriamys Kramarz 2001
+
Soriamys gaimanensis Kramarz 2001
Soriamys ganganensis Kramarz 2001
Fm. †Cephalomyidae Ameghino 1897
+
G. †Cephalomyopsis Vucetich 1985
+
G. †Cephalomys Ameghino 1897
+
Cephalomys arcidens Ameghino 1897
+
Invalid names: Asteromys annectens Ameghino 1902 [synonym], Asteromys prospicuus Ameghino 1897 [synonym], Cephalomys plexus Ameghino 1897 [synonym], Cephalomys prorsus Ameghino 1902 [synonym], Orchiomys prostans Ameghino 1897 [synonym]
Cephalomys ceciae Vucetich et al. 2015
Invalid names: Orchiomys Ameghino 1897 [synonym]
G. †Litodontomys Loomis 1914
+
Litodontomys chubutensis Loomis 1914
G. †Chachapoyamys Boivin et al. 2021
+
Chachapoyamys kathetos Boivin et al. 2021
G. †Chambiramys Boivin et al. 2017
+
Chambiramys shipiborum Boivin et al. 2017
Chambiramys sylvaticus Boivin et al. 2017
Fm. Chinchillidae Bennett 1833 [chinchilid]
+
G. Chinchilla Bennett 1829 [chinchilla]
+
Chinchilla chinchilla Lichtenstein 1830 [short-tailed chinchilla]
Chinchilla lanigera Molina 1782 [long-tailed chinchilla]
G. †Eoviscaccia Vucetich 1989
+
Eoviscaccia australis Vucetich 1989
Eoviscaccia boliviana Vucetich 1989
Eoviscaccia frassinettii Bertrand et al. 2012
G. †Incamys Hoffstetter and Lavocat 1970
+
Incamys bolivianus Hoffstetter and Lavocat 1970
+
Invalid names: Incamys pretiosus Lavocat 1976 [synonym]
Incamys menniorum Vucetich et al. 2015
G. Lagidium Meyen 1833 [mountain viscacha]
+
Lagidium ahuacaense Ledesma et al. 2009
Lagidium peruanum Meyen 1833 [northern viscacha]
Lagidium viscacia Molina 1782 [southern viscacha]
+
Invalid names: Lagidium lutescens Philippi 1896 [synonym]
Lagidium wolffsohni Thomas 1907 [Wolffsohn's viscacha]
Invalid names: Lagotis Bennett 1833 [synonym]
Subfm. Lagostominae Wiegmann 1832
+
G. Lagostomus Brookes 1828 [viscacha]
+
Subg. †Lagostomus (Lagostomopsis) Kraglievich 1926
Lagostomus angustidens Moreno 1888
Lagostomus antiquus Ameghino 1883
Lagostomus cavifrons Ameghino 1889
Lagostomus compressidens Ameghino 1908
Lagostomus debilis Ameghino 1889
Lagostomus euplasius Ameghino 1908
Lagostomus heterogenidens Ameghino 1889
Lagostomus intermedius Moreno 1888
Lagostomus laminosus Ameghino 1891
Lagostomus maximus Desmarest 1817 [plains viscacha]
Lagostomus minimus Ameghino 1889
Lagostomus pretrichodactyla Rovereto 1914
+
Invalid names: Viscaccia angulata Rovereto 1914 [synonym], Viscaccia insolita Rovereto 1914 [synonym]
Lagostomus telenkechanum Rasia and Candela 2017
+
Invalid names: Callomys viscaccia d'Orbigny and Geoffroy 1830 [synonym]
G. †Miochinchilla Croft et al. 2021
+
Miochinchilla plurinacionalis Croft et al. 2021
Miochinchilla surirense Croft et al. 2021
G. †Pliolagostomus Ameghino 1887
+
Pliolagostomus friasensis Vucetich 1984
+
Invalid names: Prolagostomus lateralis Ameghino 1889 [synonym]
Pliolagostomus notatus Ameghino 1887
+
Invalid names: Prolagostomus amplus Ameghino 1894 [synonym]
G. †Prolagostomus Ameghino 1887
+
Prolagostomus divisus Ameghino 1887
Prolagostomus imperialis Ameghino 1887
Prolagostomus primigenius Ameghino 1889
Prolagostomus profluens Ameghino 1887
Prolagostomus pusillus Ameghino 1887
Prolagostomus rosendoi Vucetich 1984
Invalid names: Scotaeumys Ameghino 1887 [synonym], Sphaeromys Ameghino 1887 [synonym]
G. †Scotamys Loomis 1914
+
Scotamys antiquus Loomis 1914
G. †Sphodromys Ameghino 1887
Superfm. Chinchilloidea Bennett 1833
+
G. †Borikenomys Marivaux et al. 2020
+
Borikenomys praecursor Marivaux et al. 2020
Fm. Dinomyidae Peters 1873
+
G. †Branisamys Hoffstetter and Lavocat 1970
+
Branisamys luribayensis Hoffstetter and Lavocat 1970
+
Invalid names: Villarroelomys bolivianus Hartenberger 1975 [synonym]
Invalid names: Villarroelomys Hartenberger 1975 [synonym]
G. †Briaromys Ameghino 1889
+
Briaromys trouessartianus Ameghino 1889
G. †Carlesia Kraglievich 1926
G. †Colpostemma Ameghino 1891
G. †Diaphoromys Kraglievich 1931
+
Diaphoromys arctus Rusconi 1945
Diaphoromys gamayensis Kraglievich 1931
Invalid names: Diaphoromys mesopotamicus Kraglievich 1932 [nomen dubium]
G. Dinomys Peters 1873 [pacarana]
+
Dinomys branickii Peters 1873 [pacarana]
G. †Discolomys Ameghino 1889
+
Discolomys cuneus Ameghino 1889
G. †Doellomys Alvarez 1947
G. †Drytomomys Anthony 1922
+
Drytomomys aequatorialis Anthony 1922
Subfm. †Eumegamyinae Kraglievich 1926
+
G. †Arazamys Rinderknecht et al. 2011
G. †Artigasia Francis and Mones 1966
G. †Isostylomys Kraglievich 1926
G. †Tetrastylus Ameghino 1886
+
Invalid names: Loxomylus Cope 1869 [synonym], Protelicomys Kraglievich 1931 [synonym], Tetrastylopsis Kraglievich 1931 [synonym]
G. †Eumegamys Kraglievich 1926
+
Eumegamys contortus Ameghino 1889
Eumegamys paranensis Kraglievich 1926
Eumegamys scalabrinianus Kraglievich 1926
Invalid names: Megamys D'Orbigny 1842 [synonym]
G. †Eumegamysops Alvarez 1947
+
Eumegamysops praependens Ameghino 1886
G. †Eusigmomys Ameghino 1905
+
Eusigmomys oppositus Ameghino 1904
Invalid names: Sigmomys Ameghino 1904 [synonym]
G. †Ferigolomys Kerber et al. 2018
+
Ferigolomys pacarana Kerber et al. 2018
G. †Gyriabrus Ameghino 1891
+
Gyriabrus holmbergi Ameghino 1885
+
Invalid names: Gyriabrus teisseirei Kraglievich 1930 [objective synonym]
Gyriabrus latidens Rusconi 1945
Gyriabrus quadratus Rusconi 1945
Gyriabrus royoi Stirton 1947
G. †Josephoartigasia Mones 2007
+
Josephoartigasia monesi Rinderknecht and Blanco 2008
G. †Olenopsis Ameghino 1889
+
Olenopsis typicus Ameghino 1889
Olenopsis uncinus Ameghino 1889
G. †Paranamys Kraglievich 1934
+
Paranamys typicus Ameghino 1889
G. †Pentastylodon Alvarez 1947
G. †Pentastylomys Kraglievich 1926
Subfm. †Potamarchinae Kraglievich 1926
+
G. †Potamarchus Burmeister 1885
G. †Pseudopotamarchus Kerber et al. 2016
G. †Protomegamys Kraglievich 1932
G. †Pseudosigmomys Kraglievich 1931
G. †Rusconia Kraglievich 1931
+
Rusconia crassidens Kraglievich 1931
G. †Scleromys Ameghino 1887
+
Scleromys angustus Ameghino 1887
Scleromys colombianus Fields 1957
Scleromys osbornianus Ameghino 1894
+
Invalid names: Neoreomys insulatus Ameghino 1889 [synonym]
Scleromys praecursor Boivin et al. 2017
Scleromys quadrangulatus Kramarz 2006
Scleromys schurmanni Stehlin 1940
G. †Simplimus Ameghino 1904
+
Simplimus indivisus Ameghino 1904
G. †Telicomys Kraglievich 1926
+
Telicomys amazonensis Frailey 1986
Telicomys giganteus Ameghino 1904
Telicomys gigantissimus Ameghino 1908
G. †Telodontomys Kraglievich 1931
+
Telodontomys compressidens Kraglievich 1931
G. †Tetrastylomys Kraglievich 1926
G. †Garridomys Kramarz et al. 2013
+
Garridomys curunuquem Kramarz et al. 2013
G. †Loncolicu Vucetich et al. 2015
+
Loncolicu tretos Vucetich et al. 2015
Fm. †Neoepiblemidae Kraglievich 1926
+
G. †Doryperimys Kramarz et al. 2015
+
Doryperimys olsacheri Kramarz et al. 2015
G. †Neoepiblema Ameghino 1889
+
Neoepiblema acreensis Bocquentin et al. 1990
Neoepiblema horridula Ameghino 1886
+
Invalid names: Neoepiblema ambrosettianus Ameghino 1889 [synonym]
Invalid names: Epiblema Ameghino 1886 [synonym], Euphilus Ameghino 1889 [synonym]
G. †Perimys Ameghino 1887
+
Perimys ameghinoi Scott 1905
Perimys dissimilis Ameghino 1902
Perimys erutus Ameghino 1887
+
Invalid names: Perimys angulatus Ameghino 1891 [synonym], Perimys diminutus Ameghino 1894 [synonym], Perimys procerus Ameghino 1889 [synonym], Perimys reflexus Ameghino 1894 [synonym], Perimys scalaris Ameghino 1891 [synonym], Sphodromys scalaris Ameghino 1887 [synonym]
Perimys impactus Ameghino 1894
Perimys incavatus Ameghino 1902
Perimys incurvus Ameghino 1902
Perimys intermedius Kramarz 2002
Perimys oemulus Ameghino 1894
Perimys onustus Ameghino 1887
Perimys pacificus Ameghino 1894
Perimys perpinguis Ameghino 1891
Perimys planaris Ameghino 1891
Perimys puellus Ameghino 1891
Perimys pueraster Ameghino 1891
Perimys scalabrinianus Ameghino 1889
Perimys transversus Ameghino 1902
Perimys zonatus Ameghino 1887
Invalid names: Sphiggomys Ameghino 1887 [synonym]
G. †Phoberomys Kraglievich 1926
+
Phoberomys bordasi Patterson 1942
Phoberomys burmeisteri Kraglievich 1926
+
Invalid names: Euphilus burmeisteri Ameghino 1891 [synonym], Phoberomys insolita Kraglievich 1940 [synonym], Phoberomys lozanoi Kraglievich 1940 [synonym], Phoberomys minima Kraglievich 1940 [synonym], Phoberomys praecursor Kraglievich 1932 [synonym]
Phoberomys gyulavarii Kretzoi and Voros 1989
Phoberomys pattersoni Bondesio and Bocquentin Villanueva 1988
+
Invalid names: Dabbenea pattersoni Mones 1980 [synonym]
Invalid names: Dabbenea Kraglievich 1926 [synonym], Perumys Kretzoi and Voros 1989 [synonym]
G. †Niedemys Kerber et al. 2016
+
Niedemys piauiensis Kerber et al. 2016
G. †Saremmys Busker et al. 2019
+
Saremmys ligcura Busker et al. 2019
G. †Ucayalimys Boivin et al. 2017
+
Ucayalimys amahuacencis Arnal et al. 2022
Ucayalimys crassidens Boivin et al. 2017
Invalid names: Heptaxodontidae Anthony 1917 [empty]
Superfm. Erethizontoidea Bonaparte 1845
+
G. †Eosteiromys Ameghino 1902
+
Eosteiromys annectens Ameghino 1901
Eosteiromys homogenidens Ameghino 1902
Eosteiromys segregatus Ameghino 1902
Fm. Erethizontidae Bonaparte 1845 [porcupine]
+
G. †Branisamyopsis Candela 2003
+
Branisamyopsis australis Candela 2003
G. †Cholamys Pérez et al. 2018
+
Cholamys tetralophodonta Pérez et al. 2018
G. Coendou Lacépède 1799 [prehensile-tailed porcupine]
+
Coendou laenatus Thomas 1903
Coendou magnus Lund 1839
Coendou prehensilis Linnaeus 1758
Invalid names: Echinoprocta Gray 1865 [synonym], Sphiggurus Cuvier 1825 [synonym]
G. †Eopululo Frailey and Campbell, Jr 2004
+
Eopululo wigmorei Frailey and Campbell, Jr 2004
G. Erethizon Cuvier 1822 [North American porcupine]
+
Erethizon bathygnathum Wilson 1935
+
Invalid names: Coendou stirtoni White 1968 [synonym]
Erethizon cascoensis White 1970
Erethizon dorsatum Linnaeus 1758 [North American porcupine]
+
Invalid names: Coendou cumberlandicus White 1970 [synonym], Erethizon cloacinum Cope 1871 [synonym], Erethizon godfreyi Allen 1904 [synonym]
Erethizon kleini Frazier 1981
Erethizon poyeri Hulbert, Jr. 1997
G. †Hyposteiromys Patterson 1958
G. †Hypsosteiromys Patterson 1958
+
Hypsosteiromys axiculus Ameghino 1902
Hypsosteiromys nectus Ameghino 1902
+
Invalid names: Steiromys tabulatus Ameghino 1902 [synonym]
G. †Microsteiromys Walton 1990
+
Microsteiromys jacobsi Walton 1990
G. †Palaeosteiromys Boivin et al. 2017
+
Palaeosteiromys amazonensis Boivin et al. 2017
G. †Paradoxomys Ameghino 1885
+
Paradoxomys cancrivorus Ameghino 1885
Paradoxomys patagonicus Ameghino 1889
G. †Parasteiromys Ameghino 1904
+
Parasteiromys friantae Candela 1999
Parasteiromys uniformis Ameghino 1904
G. †Protosteiromys Wood and Patterson 1959
+
Protosteiromys asmodeophilus Wood and Patterson 1959
Protosteiromys medianus Ameghino 1903
Protosteiromys pattersoni Pérez et al. 2018
Invalid names: Erethizontinae Thomas 1897 [empty]
G. †Kichkasteiromys Boivin et al. 2018
+
Kichkasteiromys raimondii Boivin et al. 2018
G. †Nuyuyomys Boivin et al. 2021
+
Nuyuyomys chinqaska Boivin et al. 2021
G. †Plesiosteiromys Boivin et al. 2017
+
Plesiosteiromys newelli Boivin et al. 2017
G. †Shapajamys Boivin et al. 2018
+
Shapajamys labocensis Boivin et al. 2018
Shapajamys minor Arnal et al. 2022
G. †Steiromys Ameghino 1887
+
Steiromys detentus Ameghino 1887
Steiromys duplicatus Ameghino 1887
Steiromys intermedius Scott 1905
Steiromys principalis Ameghino 1901
Steiromys pseudonectus Bordas 1939
Steiromys segregatus Ameghino 1902
Superfm. Octodontoidea Waterhouse 1839
+
Fm. Abrocomidae Miller and Gidley 1918 [chinchilla rat]
+
G. †Abrocoma Waterhouse 1837
+
Abrocoma antiqua Rovereto 1914
G. †Ameghinomys Verzi et al. 2017
+
Ameghinomys constans Ameghino 1887
G. †Protabrocoma Kraglievich 1927
+
Protabrocoma antiqua Rovereto 1914
G. †Acarechimys Patterson 1965
+
Acarechimys gracilis Ameghino 1891
+
Invalid names: Acarechimys pulchellus Ameghino 1902 [objective synonym], Acaremys minutus Ameghino 1887 [synonym]
Acarechimys leucotheae Vucetich et al. 2015
Acarechimys minutissimus Ameghino 1887
+
Invalid names: Sciamys tenuissimus Ameghino 1894 [synonym], Stichomys diminutus Ameghino 1891 [synonym]
Acarechimys minutus Patterson and Pascual 1967
Acarechimys pascuali Verzi et al. 2017
Fm. †Acaremyidae Wood 1949
+
G. †Acaremys Ameghino 1887
+
Acaremys major Scott 1905
Acaremys messor Ameghino 1889
Acaremys minutissimus Ameghino 1887
Acaremys murinus Ameghino 1887
+
Invalid names: Acaremys karaikensis Ameghino 1891 [synonym]
Acaremys preminutus Bordas 1939
Acaremys scagliai Patterson 1971
Acaremys tricarinatus Ameghino 1894
G. †Galileomys Vucetich and Kramarz 2003
+
Galileomys antelucanus Vucetich and Kramarz 2003
Galileomys baios Vucetich et al. 2015
Galileomys colloncurensis Vucetich and Kramarz 2003
Galileomys eurygnathus Kramarz 2004
G. †Platypittamys Wood 1949
+
G. †Pseudoacaremys Arnal and Vucetich 2015
+
Pseudoacaremys kramarzi Arnal and Vucetich 2015
G. †Adelphomys Ameghino 1887
+
Adelphomys candidus Ameghino 1887
Adelphomys eximius Ameghino 1894
Fm. Capromyidae Smith 1842 [hutia]
+
G. Capromys Desmarest 1822
+
Capromys pilorides Say 1822 [Cuban hutia]
+
Invalid names: Capromys fournieri Desmarest 1822 [synonym]
G. Geocapromys Chapman 1901
Subfm. †Isolobodontinae
+
G. †Zazamys MacPhee and Iturralde-Vinent 1995
G. Plagiodontia Cuvier 1836
+
Plagiodontia aedium Cuvier 1836
G. †Caviocricetus Vucetich and Verzi 1996
+
Caviocricetus guenekko McGrath et al. 2023
Caviocricetus lucasi Vucetich and Verzi 1996
G. †Changquin Vucetich et al. 2014
+
Changquin woodi Vucetich et al. 2014
G. †Chasichimys Pascual 1967
+
Chasichimys bonaerense Pascual 1967
Chasichimys scagliai Pascual 1967
Invalid names: Pattersomys Pascual 1967 [synonym]
Fm. Ctenomyidae Lesson 1842
+
G. †Actenomys Burmeister 1888
+
Actenomys priscus Owen 1840
Invalid names: Dicoelophorus Ameghino 1888 [nomen oblitum]
G. †Chasicomys Pascual 1967
+
Chasicomys octodontiforme Pascual 1967
G. †Ctemys
G. Ctenomys de Blainville 1826
+
Ctenomys bonariensis Gervais and Ameghino 1888
Ctenomys brachyrhinus Ameghino 1902
Ctenomys chapalmalensis Ameghino 1908
Ctenomys connoveri Osgood 1946
Ctenomys cotocaensis Azurduy 2005
Ctenomys formosus Moreno 1888
Ctenomys kraglievichi Rusconi 1930
Ctenomys magellanicus Bennett 1836 [Magellanic tuco-tuco]
Ctenomys praderii Mones and Castiglioni 1979
Ctenomys priscus Owen 1840
Ctenomys rusconii De Santi et al. 2021
Ctenomys subassentiens Ameghino 1902
Ctenomys subquadratus Ameghino 1902
Ctenomys thomasi Lucero et al. 2008
Ctenomys uquiensis Verzi et al. 2010
Ctenomys viarapaensis De Santi et al. 2020
Invalid names: Paractenomys Ameghino 1908 [synonym]
G. †Eucelophorus Ameghino 1908
+
Eucelophorus chapalmalensis Ameghino 1908
Eucelophorus zaratei Reig and Quintana 1992
G. †Megactenomys Rusconi 1930
G. †Praectenomys Villarroel 1975
+
Praectenomys rhombidens Quintana 1994
+
Invalid names: Praectenomys vagus Villaroel 1975 [synonym]
G. †Willidewu Vucetich and Verzi 1991
+
Willidewu esteparius Vucetich and Verzi 1991
G. †Xenodontomys Kraglievich 1927
+
Xenodontomys ellipticus Kraglievich 1927
Xenodontomys elongatus Verzi et al. 2003
G. †Deseadomys Wood and Patterson 1959
+
Deseadomys arambourgi Wood and Patterson 1959
Deseadomys loomisi Wood and Patterson 1959
G. †Draconomys Vucetich et al. 2010
+
Draconomys verai Vucetich et al. 2010
G. †Dudumus Arnal et al. 2014
+
Dudumus berggreni McGrath et al. 2023
Dudumus ruigomezi Arnal et al. 2014
Fm. Echimyidae Gray 1825 [spiny rat]
+
Subfm. †Adelphomyinae Patterson and Pascual 1968
+
G. †Prostichomys Kramarz 2001
G. †Ricardomys Walton 1990
G. Carterodon Waterhouse 1848
+
Carterodon sulcidens Lund 1841
Subfm. Chaetomyinae Thomas 1897
+
G. Chaetomys Gray 1843
G. Clyomys Thomas 1916
+
Clyomys riograndensis Hadler 2008
Subfm. Dactylomyinae Tate 1935
+
G. Thrinacodus Günther 1879
G. Dactylomys Geoffroy 1838 [bamboo rat]
G. †Dicolpomys Winge 1887
+
Dicolpomys fossor Winge 1887
G. Diplomys Thomas 1916
Subfm. Echimyinae Gray 1825
+
G. Callistomys Emmons and Vucetich 1998
G. Echimys Cuvier 1809 [spiny tree-rat]
+
Invalid names: Loncheres Illiger 1811 [synonym]
G. Makalata Husson 1978
G. Phyllomys Lund 1839 [Atlantic tree-rat]
Subfm. †Eumysopinae Rusconi 1935
+
G. †Palaeoechimys Spillmann 1949
G. †Proclinodontomys Candela et al. 2020
G. †Ullumys Olivares et al. 2017
G. †Eumysops Ameghino
+
Eumysops cavioides Ameghino 1908
Eumysops chapalmalensis Ameghino 1908
Eumysops formosus Ameghino 1906
+
Invalid names: Proaguti complicatus Ameghino 1908 [synonym], Proaguti gracilis Ameghino 1908 [synonym], Proaguti intermixtus Ameghino 1908 [synonym], Proatherura formosa Ameghino 1906 [synonym]
Eumysops gracilis Ameghino 1908
Eumysops laeviplicatus Ameghino 1888
+
Invalid names: Proaguti chapalmalensis Ameghino 1908 [synonym]
Eumysops marplatensis Olivares and Verzi 2015
Eumysops parodii Kraglievich 1945
Eumysops robustus Ameghino 1889
Invalid names: Proaguti Ameghino 1908 [synonym]
G. Euryzygomatomys Goeldi 1901
G. †Gaimanomys Vucetich and Bond 1984
G. †Haplostropha Ameghino 1891
Subfm. †Heteropsomyinae Anthony 1917
+
G. †Boromys Miller 1916
G. †Brotomys Miller 1916
G. Cercomys Cuvier 1829
G. †Heteropsomys Anthony 1916
G. †Puertoricomys Woods 1989
G. Hoplomys Allen 1908
G. Isothrix Wagner 1845 [brush-tailed rat]
+
Isothrix bistriata Wagner 1845 [yellow-crowned brush-tailed rat]
G. Lonchothrix Thomas 1920
G. †Maruchito Vucetich et al. 1993
+
Maruchito trilofodonte Vucetich et al. 1993
G. Mesomys Wagner 1845 [spiny tree rat]
G. Myocastor Kerr 1782
+
Myocastor brevirostris Rusconi 1944
Myocastor coypus Molina 1782 [coypu]
+
Invalid names: Mastonotus popelairi Wesmael 1841 [synonym], Myopotamus bonariensis Saint-Hilaire 1805 [synonym]
Myocastor diligens Ameghino 1888
Myocastor ipriscus Gervais and Ameghino 1880
Myocastor perditus Ameghino 1902
Invalid names: Mastonotus Wesmael 1841 [synonym], Myopotamus Saint-Hilaire 1805 [synonym], Tramyocastor Rusconi 1936 [synonym]
G. †Pampamys Verzi et al. 1995
+
Pampamys emmonsae Verzi et al. 1995
G. †Paradelphomys Patterson and Pascual 1968
+
Paradelphomys fissus Patterson and Pascual 1968
G. †Proatherura Ameghino 1906
G. †Quebradahondomys Croft et al. 2011
+
Quebradahondomys potosiensis Croft et al. 2011
G. †Reigechimys Verzi et al. 1994
+
Reigechimys octodontiformis Verzi et al. 1994
Reigechimys plesiodon Verzi et al. 1994
Reigechimys simplex Sostillo et al. 2014
G. †Theridomysops Vucetich 1995
+
Theridomysops parvulus Rovereto 1914
Invalid names: Tribodon Ameghino 1887 [synonym]
G. †Thrichomys Trouessart 1881 [punaré]
G. Trinomys Thomas 1921
G. †Eodelphomys Frailey and Campbell, Jr 2004
+
Eodelphomys almeidacomposi Frailey and Campbell, Jr 2004
G. †Eoespina Frailey and Campbell, Jr 2004
+
Eoespina woodi Frailey and Campbell, Jr 2004
G. †Eosachacui Frailey and Campbell, Jr 2004
+
Eosachacui lavocati Frailey and Campbell, Jr 2004
G. †Eosallamys Frailey and Campbell, Jr 2004
+
Eosallamys paulacoutoi Frailey and Campbell, Jr 2004
Eosallamys simpsoni Frailey and Campbell, Jr 2004
G. †Ethelomys Vucetich et al. 2015
G. Kannabateomys Jentink 1891
G. †Lapazomys Pérez et al. 2018
+
Lapazomys hartenbergeri Pérez et al. 2018
G. †Leucokephalos Vucetich et al. 2015
+
Leucokephalos maior Kramarz et al. 2015
Leucokephalos zeffiae Vucetich et al. 2015
G. †Llitun Vucetich et al. 2015
+
Llitun notuca Vucetich et al. 2015
G. †Loretomys Boivin et al. 2017
+
Loretomys minutus Boivin et al. 2017
G. †Marisela Vucetich et al. 2010
G. †Mayomys Boivin et al. 2018
+
Mayomys confluens Boivin et al. 2018
G. †Migraveramus Patterson and Wood 1982
+
Migraveramus beatus Patterson and Wood 1982
Migraveramus lavocati Pérez et al. 2018
Migraveramus quispea Shockey et al. 2009
Fm. Myocastoridae Ameghino 1902
+
G. †Matyoscor Ameghino 1902
+
Matyoscor perditus Ameghino 1902
G. †Paramyocastor Ameghino 1904
+
Paramyocastor diligens Ameghino 1888
+
Invalid names: Isomyopotamus affinis Rovereto 1914 [synonym], Isomyopotamus albaniri Reig 1950 [synonym], Paramyocastor intactus Ameghino 1904 [synonym]
Invalid names: Isomyopotamus Rovereto 1914 [synonym]
G. †Strophostephanos Ameghino 1891
G. †Neophanomys Rovereto 1914
+
Neophanomys biplicatus Rovereto 1914
+
Invalid names: Cercomys parvidens Kraglievich 1965 [synonym], Eumysops parvidens Rovereto 1914 [synonym]
Neophanomys pristinus Verzi et al. 2011
Neophanomys recens Verzi et al. 2011
Fm. Octodontidae Waterhouse 1839
+
G. †Eoctodon Ameghino 1902
+
Eoctodon crassiusculus Ameghino 1904
Eoctodon securiclatus Ameghino 1902
G. †Eucoelophorus Ameghino 1909
G. †Massoiamys Vucetich 1978
+
Massoiamys obliquus Vucetich 1978
G. †Metacaremys Piñero et al. 2021
+
Metacaremys calfucalel Piñero et al. 2021
Metacaremys dimi Piñero et al. 2021
Metacaremys primitiva Piñero et al. 2021
+
Invalid names: Cercomys primitiva Pascual 1967 [objective synonym], Chasicomys cangapoli Quintana 1995 [objective synonym]
Subfm. Octodontinae Waterhouse 1839
+
G. †Abalosia Reig and Quintana 1991
G. Octodon Bennett 1823 [degu]
G. †Sciamys Ameghino 1887
G. Spalacopus Wagler 1832 [coruro]
G. Tympanoctomys Yepes 1942 [plains viscacha rat]
G. Octodontomys Palmer 1903
G. Octomys Thomas 1920 [viscacha rat]
G. †Palaeoctodon Rovereto 1914
+
Palaeoctodon simplicidens Rovereto 1914
G. †Phthoramys Ameghino 1887
G. †Phtoramys Ameghino 1887
+
Phtoramys hidalguense Pascual et al. 1965
Phtoramys homogenidens Ameghino 1887
Phtoramys pulcher Rovereto 1914
G. †Pithanotomys Ameghino 1887
+
Pithanotomys chapalmalensis Ameghino 1908
Pithanotomys columnaris Ameghino 1887
Pithanotomys cordubensis Ameghino 1889
Pithanotomys intermedius Ameghino 1889
Pithanotomys macer Ameghino 1888
Pithanotomys orthorhynchus Ameghino 1908
Pithanotomys similis Ameghino 1889
Pithanotomys solisae Candela et al. 2023
G. †Plataeomys Ameghino 1881
+
Plataeomys brevis Rovereto 1914
Plataeomys elongatus Rovereto 1914
Plataeomys innominatus Rovereto 1914
Plataeomys scindens Ameghino 1889
G. †Pseudoplataeomys Kraglievich 1934
+
Pseudoplataeomys formosus Kraglievich 1934
Pseudoplataeomys innominatus Kraglievich 1934
G. †Paulacoutomys Vucetich et al. 1993
+
Paulacoutomys paulista Vucetich et al. 1993
G. †Plesiacarechimys Vucetich and Vieytes 2006
+
Plesiacarechimys koenigswaldi Vucetich and Vieytes 2006
G. Proechimys Allen 1899 [spiny rat]
+
Proechimys ponderosus Rovereto 1914
G. †Prospaniomys Ameghino 1902
+
Prospaniomys priscus Ameghino 1902
G. †Protacaremys Ameghino 1902
+
Protacaremys adilos Vucetich et al. 2015
Protacaremys amplus Ameghino 1904
Protacaremys avunculus Ameghino 1902
Protacaremys denisae Vucetich et al. 1993
Protacaremys prior Ameghino 1902
+
Invalid names: Archaeocardia mustersiana Ameghino 1904 [synonym], Palaeocardia mater Ameghino 1902 [synonym]
Invalid names: Archaeocardia Cossman 1902 [synonym], Palaeocardia Ameghino 1902 [synonym]
G. †Protadelphomys Ameghino 1902
+
Protadelphomys latus Ameghino 1902
+
Invalid names: Gaimanomys alwinea Vucetich and Bond 1984 [synonym]
G. †Sallamys Hoffstetter and Lavocat 1970
+
Sallamys pascuali Hoffstetter and Lavocat 1970
Sallamys woodi Pérez et al. 2018
G. †Selvamys Boivin et al. 2018
+
Selvamys paulus Boivin et al. 2018
G. †Spaniomys Ameghino 1877
+
Spaniomys biplicatus Ameghino 1894
Spaniomys modestus Ameghino 1887
Spaniomys riparius Ameghino 1887
G. †Stichomys Ameghino 1887
+
Stichomys arenarus Ameghino 1894
Stichomys planus Ameghino 1891
Stichomys regius Ameghino 1894
Stichomys regularis Ameghino 1887
G. †Vallehermosomys Vucetich et al. 2010
+
Vallehermosomys mazzonii Vucetich et al. 2010
Vallehermosomys merlinae Vucetich et al. 2010
G. †Xylechimys Patterson and Pascual 1968
+
Xylechimys obliquus Patterson and Pascual 1968
G. †Pozomys Boivin et al. 2017
+
Pozomys ucayaliensis Boivin et al. 2017
G. †Tacheria Krapovickas and Nasif 2011
+
Tacheria troyana Krapovickas and Nasif 2011
G. †Tarapotomys Boivin et al. 2018
+
Tarapotomys mayoensis Boivin et al. 2018
Tarapotomys subandinus Boivin et al. 2018
G. †Vucetichimys Arnal et al. 2022
+
Vucetichimys pretrilophodontia Arnal et al. 2022
Fm. †Zetamyidae Ferrusquia-Villafranca et al. 2018
+
G. †Protozetamys Ferrusquia-Villafranca et al. 2018
+
Protozetamys mixtecus Ferrusquia-Villafranca et al. 2018
G. †Zetamys Martin 1974
+
Zetamys nebraskensis Martin 1974
Invalid names: Luribayomys Lavocat 1976 [nomen vanum], Luribayomys masticator Lavocat 1976 [nomen vanum], Palmiramys Kraglievich 1932 [nomen vanum], Palmiramys waltheri Kraglievich 1932 [nomen vanum]
Fm. Diatomyidae Mein and Ginsburg 1997
+
G. †Diatomys Li 1974
+
Diatomys liensis Mein and Ginsburg 1985
G. †Fallomus Flynn et al. 1986
+
Fallomus ginsburgi Marivaux and Welcomme 2003
Fallomus ladakhensis Nanda and Sahni 1998
Fallomus quraishyi Marivaux and Welcomme 2003
Fallomus razae Flynn et al. 1986
G. †Inopinatia Marković et al. 2018
+
Inopinatia balkanica Marković et al. 2018
G. Laonastes Jenkins et al. 2005 [khanyou]
+
Laonastes aenigmamus Jenkins et al. 2005
G. †Marymus Flynn 2007
+
Marymus dalanae Flynn 2007
G. †Willmus Flynn and Morgan 2005
+
Willmus maximus Flynn and Morgan 2005
Invalid names: Laonastidae Jenkins et al. 2005 [synonym]
Fm. †Gaudeamuridae Sallam et al. 2011
+
G. †Gaudeamus Wood 1968
+
Gaudeamus aegyptius Wood 1968
Gaudeamus aslius Sallam et al. 2011
Gaudeamus hylaeus Sallam et al. 2011
Gaudeamus lavocati Coster et al. 2010
G. †Hodsahibia Flynn et al. 1986
+
Hodsahibia azrae Flynn et al. 1986
Hodsahibia beamshaiensis Marivaux and Welcomme 2003
Hodsahibia gracilis Marivaux and Welcomme 2003
Hodsahibia kayi Flynn and Cheema 1994
Fm. Hystricidae Fischer de Waldheim 1817 [porcupine]
+
G. Atherurus Cuvier 1829 [brush-tailed porcupine]
+
Atherurus macrourus Linnaeus 1758 [Asiatic brush-tailed porcupine]
G. Hystrix Linnaeus 1758 [porcupine]
+
Subg. †Hystrix (Hystricops) Leidy 1858
Subg. Hystrix (Hystrix) Linnaeus 1758
Subg. Hystrix (Thecurus) Lyon 1907
+
Hystrix (Thecurus) crassispinis Günther 1876 [Thick-spined porcupine]
Hystrix (Thecurus) pumila Günther 1879 [Phillipine porcupine]
Hystrix (Thecurus) sumatrae Lyon 1907 [Sumatran porcupine]
Hystrix africaeaustralis Peters 1852 [Cape porcupine]
+
Hystrix angressi Frenkel 1971
Hystrix arayanensis Sen 2001
Hystrix cristata Linnaeus 1758 [crested porcupine]
Hystrix depereti Sen 2001
Hystrix kayae Halaçlar et al. 2023
Hystrix primigenia Wagner 1848
G. †Sivacanthion Colbert 1933
G. Spygurus Gray 1825
G. Trichys Günther 1876 [long-tailed porcupine]
G. †Xenohystrix Greenwood 1955
Subfm. †Protophiomyinae Coster et al. 2012
+
G. †Protophiomys Jaegar et al. 1985
+
Protophiomys aegyptensis Sallam et al. 2009
Protophiomys algeriensis Jaegar et al. 1985
Protophiomys attiai Sallam et al. 2009
Protophiomys durattalahensis Jaeger et al. 2010
Protophiomys tunisiensis Marivaux et al. 2014
Invalid names: Waslamys Sallam et al. 2009 [synonym]
Fm. †Tufamyidae Pickford 2018
+
G. †Efeldomys Mein and Pickford 2008
Invalid names: Bathyergomorpha [empty], Phiomorpha Lavocat 1962 [invalid subgroup]
Diagnosis
No diagnoses are available