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Notoungulata (notoungulate)

Mammalia - Notoungulata

Synonyms
Synonymy list
YearName and author
1897Notopithecus summus Ameghino p. 421
1901Edvardocopeia Ameghino p. 398
1901Pleurystylops Ameghino p. 398
1901Pleurystylops glebosus Ameghino p. 398
1901Edvardocopeia Ameghino p. 399
1901Edvardocopeia sinuosa Ameghino p. 399
1901Carolodarwinia Ameghino p. 410
1901Carolodarwinia pyramidentata Ameghino p. 410
1901Trimerostephanos ultimus Ameghino p. 419–420
1902Lophiodonticulus Ameghino p. 17
1902Lophiodonticulus patagonicus Ameghino p. 17
1902Lophiodonticulus retroversus Ameghino p. 17–18
1902Tonostylops Ameghino p. 32
1902Tonostylops spissus Ameghino p. 32
1902Orthogeniops ameghinoi Ameghino p. 33
1902Ultrapithecus robustus Roth p. 251
1902Degonia sympathica Roth p. 252
1902Ortholophodon Roth p. 253
1902Ortholophodon prolongus Roth p. 253
1902Orthogenium ameghinoi Roth p. 255
1902Pyramidon Roth p. 255
1902Pyramidon klaatschi Roth p. 255
1903Notoungulata Roth
1903Archaeotypotherium transitum Roth pp. 22-23
1904Claenodon patagonicus Ameghino pp. 50, 404
1904Isotypotherium Ameghino p. 421
1904Isotypotherium annulatum Ameghino p. 421
1904Epitypotherium cancellatum Ameghino p. 422 fig. 70
1904Procolpodon Ameghino p. 438
1904Procolpodon foratus Ameghino p. 438 fig. 87
1904Archaeotypotherium transitum Roth pp. 22-23
1910Notoungulata Gregory p. 466
1911Notoungulatu Jaekel p. 244
1935Brandmayria Cabrera
1956Notoungulata McKenna p. 736
1975Notoungulata McKenna p. 43
1988Brandmayria Carroll
1988Notoungulata Carroll
2009Notoungulata Shockey et al.
2010Notoungulata Kramarz et al.
2015Notoungulata Welker et al.
2020Notoungulata Silva Lacerda et al.
2021Notoungulata Avilla and Mothé
2021Brandmayria Reguero and Goin p. 16

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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()
RankNameAuthor
infraorderCynodontia()
Mammaliamorpha
Mammaliaformes
classMammalia
Theriamorpha(Rowe 1993)
Theriiformes()
Trechnotheria
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
AfrotheriaStanhope et al. 1998
Paenungulatomorpha
PaenungulataSimpson 1945
Sudamericungulata
orderNotoungulata
orderNotoungulata

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.

Or. †Notoungulata Roth 1903 [notoungulate]
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G. †Acoelodus Ameghino 1897
+
Acoelodus debilitatus Ameghino 1901
Acoelodus oppositus Ameghino 1897
Acoelodus proclivus Ameghino 1902
Acoelodus terminalis Ameghino 1902
G. †Allalmeia Rusconi 1946
+
Allalmeia atalaensis Rusconi 1946
G. †Archaeogaia Zimicz et al. 2020
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Archaeogaia macachaae Zimicz et al. 2020
Fm. †Archaeopithecidae Ameghino 1897
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G. †Acropithecus Ameghino 1904
G. †Archaeopithecus Ameghino 1897
+
Archaeopithecus rogeri Ameghino 1897
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Invalid names: Acropithecus tersus Ameghino 1904 [synonym], Adpithecus plenus Ameghino 1902 [synonym], Archaeopithecus alternans Ameghino 1901 [synonym], Archaeopithecus rigidus Ameghino 1901 [synonym], Notopithecus fossulatus Ameghino 1897 [synonym]
G. †Teratopithecus López et al. 2020
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Teratopithecus elpidophoros López et al. 2020
G. †Archaeoplus Ameghino 1898
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Archaeoplus incipiens Ameghino 1898
Subor. †Entelonychia
+
Fm. †Homalodontotheridae Ameghino 1889
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G. †Diorotherium Ameghino 1891
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Diorotherium colhuehuapense Ameghino 1902
Diorotherium egregium Ameghino 1891
G. †Homalodontotherium Huxley 1870
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Homalodontotherium crassum Ameghino 1894
Homalodontotherium excursum Ameghino 1894
Homalodontotherium segoviae Ameghino 1891
G. †Prochalicotherium Ameghino 1902
G. †Eudiastatus Ameghino 1891
G. †Eurystephanodon Roth 1903
Subor. †Hegetotheria Simpson 1945
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G. †Eohegetotherium Ameghino 1901
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Invalid names: Eohegetotherium priscum Ameghino 1901 [nomen vanum]
G. †Pseudopachyrucos Ameghino 1901
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Fm. †Henricosborniidae Ameghino 1901
+
G. †Acamana Simpson et al. 1962
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Acamana ambiguus Simpson et al. 1962
G. †Henricosbornia Ameghino 1901
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Henricosbornia ampla Ameghino 1904
Henricosbornia lophodonta Ameghino 1901
+
Invalid names: Hemistylops paucicuspidatus Ameghino 1904 [synonym], Hemistylops trigonostyloides Ameghino 1904 [synonym], Henricosbornia alouatina Ameghino 1904 [synonym], Henricosbornia subconica Ameghino 1904 [synonym], Henricosbornia waitehor Simpson 1935 [synonym], Microstylops clarus Ameghino 1901 [synonym], Microstylops monoconus Ameghino 1904 [synonym], Pantostylops completus Ameghino 1902 [synonym], Pantostylops incompletus Ameghino 1901 [synonym], Pantostylops typus Ameghino 1901 [synonym], Peripantostylops orehor Simpson 1935 [synonym], Polystylops progrediens Ameghino 1904 [synonym], Prohyracotherium matutinum Ameghino 1902 [synonym], Prohyracotherium patagonicum Ameghino 1902 [synonym], Selenoconus centralis Ameghino 1901 [synonym], Selenoconus senex Ameghino 1901 [synonym], Selenoconus spiculatus Ameghino 1902 [synonym]
Henricosbornia minuta Roth 1904
Invalid names: Hemistylops Ameghino 1904 [synonym], Microstylops Ameghino 1901 [synonym], Monolophodon Roth 1903 [synonym], Pantostylops Ameghino 1901 [synonym], Polystylops Ameghino 1904 [synonym], Prohyracotherium Ameghino 1902 [synonym], Selenoconus Ameghino 1901 [synonym]
G. †Nanolophodon Castro et al. 2021
+
Nanolophodon tutuca Castro et al. 2021
G. †Orome Bauzá et al. 2019
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Orome deepi Bauzá et al. 2019
G. †Othnielmarshia Ameghino 1901
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Othnielmarshia curvicrista Ameghino 1901
Othnielmarshia lacunifera Ameghino 1901
Othnielmarshia reflexa Ameghino 1901
Invalid names: Postpithecus Ameghino 1901 [synonym]
G. †Peripantostylops Ameghino 1904
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Peripantostylops minutus Ameghino 1901
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Invalid names: Selenoconus agilis Ameghino 1901 [synonym]
G. †Simpsonotus Pascual et al. 1978
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Simpsonotus major Pascual et al. 1978
Simpsonotus praecursor Pascual et al. 1978
Invalid names: Pantostylopidae Ameghino 1901 [synonym], Selenoconidae Ameghino 1902 [synonym]
G. †Heterolophodon Roth 1904
+
Subor. †Notioprogonia Simpson 1934
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Fm. †Perutheriidae Grambast et al. 1967
+
G. †Perutherium Grambast et al. 1967
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Perutherium altiplanense Grambast et al. 1967
G. †Satshatemnus Soria 1989
+
Unr. †Notopithecidae Ameghino 1897
+
G. †Antepithecus Ameghino 1901
+
+
Invalid names: Adpithecus reduncus Ameghino 1902 [synonym], Antepithecus interrasus Ameghino 1904 [synonym], Gonopithecus trigonodontoides Ameghino 1904 [synonym], Infrapithecus cinctus Ameghino 1901 [synonym], Pseudadiantus imperfectus Ameghino 1901 [synonym], Pseudadiantus secans Ameghino 1901 [synonym]
Invalid names: Infrapithecus Ameghino 1901 [synonym], Patriarchippus Ameghino 1904 [synonym], Pseudadiantus Ameghino 1901 [synonym]
G. †Eupithecops Ameghino 1897
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Eupithecops proximus Ameghino 1897
G. †Guilielmoscottia Ameghino 1901
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Guilielmoscottia plicifera Ameghino 1901
+
Invalid names: Notopithecus amplidens Ameghino 1901 [synonym]
G. †Notopithecus Ameghino 1897
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Notopithecus adapinus Ameghino 1897
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Invalid names: Adpithecus secans Ameghino 1901 [synonym], Adpithecus subtenuis Ameghino 1902 [synonym], Antepithecus gradatus Ameghino 1904 [synonym], Epipithecus confluens Ameghino 1904 [synonym], Infrapithecus diversus Ameghino 1902 [synonym]
Invalid names: Adpithecus Ameghino 1901 [synonym], Epipithecus Ameghino 1904 [synonym], Gonopithecus Ameghino 1904 [synonym]
G. †Transpithecus Ameghino 1901
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Transpithecus obtentus Ameghino 1901
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Invalid names: Acoelodus connectus Ameghino 1901 [synonym], Patriarchippus annectens Ameghino 1904 [synonym]
Fm. †Notostylopidae Ameghino 1897
+
G. †Boreastylops Vucetich 1980
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Boreastylops lumbrerensis Vucetich 1980
G. †Chilestylops Bradham et al. 2015
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Chilestylops davidsoni Bradham et al. 2015
G. †Edvardotrouessartia Ameghino 1901
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Edvardotrouessartia sola Ameghino 1901
G. †Homalostylops Ameghino 1901
+
Homalostylops parvus Ameghino 1897
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Invalid names: Acrostylops pungiunculus Ameghino 1901 [synonym], Entelostylops incolumis Ameghino 1901 [synonym], Homalostylops rigeo Ameghino 1901 [synonym]
Invalid names: Acrostylops Ameghino 1901 [synonym]
G. †Notostylops Ameghino 1897
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Notostylops appressus Ameghino 1902
Notostylops murinus Ameghino 1897
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Invalid names: Anastylops vallatus Ameghino 1897 [synonym], Dimerostephanos chicoensis Ameghino 1902 [synonym], Entelostylops completus Ameghino 1901 [synonym], Entelostylops tripartitus Ameghino 1901 [synonym], Isostylops fretus Ameghino 1902 [synonym], Notostylops ampullaceus Ameghino 1902 [synonym], Notostylops aspectans Ameghino 1902 [synonym], Notostylops brachycephalus Ameghino 1904 [synonym], Notostylops chicoensis Ameghino 1902 [synonym], Notostylops complexus Ameghino 1901 [synonym], Notostylops escaridus Ameghino 1901 [synonym], Notostylops irregularis Ameghino 1901 [synonym], Notostylops promurinus Ameghino 1904 [synonym], Pliostylops magnificus Ameghino 1901 [synonym]
Notostylops pendens Ameghino 1901
Notostylops pigafettai Simpson 1948
Invalid names: Anastylops Ameghino 1897 [synonym], Catastylops Ameghino 1901 [synonym], Catastylops deflexus Ameghino 1904 [nomen vanum], Entelostylops Ameghino 1901 [synonym], Entelostylops cestillus Ameghino 1901 [nomen vanum], Eostylops Ameghino 1901 [synonym], Eostylops diversidens Ameghino 1901 [nomen vanum], Isostylops Ameghino 1902 [synonym], Notostylops bicinctus Ameghino 1897 [nomen vanum], Pliostylops Ameghino 1901 [synonym]
G. †Orthogeniops Ameghino 1902
+
Invalid names: Orthogenium Roth 1902 [replaced]
G. †Otrhonia Roth 1902
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Otronia muehlbergi Roth 1902
Invalid names: Homalostylops interlissus Ameghino 1901 [nomen vanum]
Fm. †Oldfieldthomasiidae Simpson 1945
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G. †Brachystephanus Simpson et al. 1962
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Brachystephanus postremus Simpson et al. 1962
G. †Camargomendesia Paulo Couto 1978
G. †Colbertia Paula Couto 1952
+
Colbertia falui Fernández et al. 2021
Colbertia lumbrerense Bond 1981
Colbertia magellanica Price and Paula Couto 1950
G. †Dolichostylodon García López and Powell 2009
+
Dolichostylodon saltensis García López and Powell 2009
G. †Itaboraitherium Paula Couto 1970
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Itaboraitherium atavum Couto 1954
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Invalid names: Homalostylops atavus Paula Couto 1954 [objective synonym]
G. †Kibenikhoria Simpson 1935
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Kibenikhoria get Simpson 1935
G. †Maxschlosseria Ameghino 1901
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Maxschlosseria praeterita Ameghino 1901
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Invalid names: Maxschlosseria consumata Ameghino 1901 [synonym], Maxschlosseria expansa Ameghino 1902 [synonym], Maxschlosseria minima Ameghino 1897 [objective synonym], Maxschlosseria minuta Ameghino 1901 [objective synonym], Maxschlosseria rusticula Ameghino 1901 [objective synonym], Maxschlosseria septa Ameghino 1901 [objective synonym]
Invalid names: Paracoelodus Ameghino 1904 [synonym]
G. †Oldfieldthomasia Ameghino 1901
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Oldfieldthomasia debilitata Ameghino 1901
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Invalid names: Antepithecus innexus Ameghino 1904 [objective synonym], Oldfieldthomasia cingulata Ameghino 1901 [synonym], Oldfieldthomasia conifera Ameghino 1901 [synonym], Oldfieldthomasia cuneata Ameghino 1901 [synonym], Oldfieldthomasia furcata Ameghino 1901 [synonym], Oldfieldthomasia plicata Ameghino 1904 [synonym], Oldfieldthomasia transversa Ameghino 1901 [synonym]
Oldfieldthomasia parvidens Ameghino 1901
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Invalid names: Oldfieldthomasia pulchella Ameghino 1901 [synonym]
G. †Paginula Ameghino 1901
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Paginula parca Ameghino 1901
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Invalid names: Acoelodus microdon Ameghino 1901 [synonym]
G. †Suniodon López 1995
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Suniodon catamarcensis López 1995
G. †Tsamnichoria Simpson 1936
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Tsamnichoria cabrerai Simpson 1936
G. †Ultrapithecus Ameghino 1901
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Ultrapithecus rutilans Ameghino 1901
G. †Xenostephanus Simpson et al. 1962
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Xenostephanus chiottii Simpson et al. 1962
Invalid names: Acoelodidae Ameghino 1901 [synonym]
Subor. †Toxodontia Ameghino 1887
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Unr. †Eutoxodontia Martínez et al. 2020
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G. †Argyrohippus Ameghino 1902
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Argyrohippus fraterculus Ameghino 1902
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Invalid names: Argyrohippus boulei Ameghino 1902 [synonym]
Argyrohippus praecox Patterson 1935
G. †Eomorphippus Ameghino 1901
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Eomorphippus bondi Wyss et al. 2018
Eomorphippus neilopdykei Wyss et al. 2018
Eomorphippus obscurus Ameghino 1901
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Invalid names: Eurystomus stehlini Roth 1902 [synonym], Lonkus rugei Roth 1902 [synonym], Pseudostylops subquadratus Ameghino 1901 [synonym]
Invalid names: Eurystomus Roth 1902 [synonym], Pleurystomus Ameghino 1902 [synonym], Pseudostylops Ameghino 1901 [synonym]
G. †Eurygenium Ameghino 1894
+
Eurygenium latirostris Ameghino 1894
Eurygenium normalis Ameghino 1897
Eurygenium pacegnum Shockey 1997
Invalid names: Eurygeniops Ameghino 1897 [objective synonym]
Fm. †Leontiniidae Ameghino 1894
+
G. †Anayatherium Shockey 2005
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Anayatherium ekecoa Shockey 2005
Anayatherium fortis Shockey 2005
G. †Ancylocoelus Ameghino 1895
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Ancylocoelus frequens Ameghino 1894
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Invalid names: Ancylocoelus minor Ameghino 1901 [objective synonym], Henricofilholia inaequilatera Ameghino 1901 [synonym], Leontinia garzoni Ameghino 1894 [synonym], Rodiotherium armatum Ameghino 1894 [synonym]
Ancylocoelus lentus Ameghino 1901
G. †Colpodon Burmeister 1885
+
Colpodon antucoensis Shockey et al. 2012
Colpodon distinctus Ameghino 1902
Colpodon plicatus Ameghino 1904
Colpodon propinquus Burmeister 1885
G. †Coquenia Deraco et al. 2008
+
Coquenia bondi Deraco et al. 2008
G. †Elmerriggsia Shockey et al. 2012
+
Elmerriggsia fieldia Shockey et al. 2012
G. †Gualta Cerdeño and Vera 2015
+
Gualta cuyana Cerdeño and Vera 2015
G. †Henricofilholia Ameghino 1901
+
Henricofilholia cingulata Ameghino 1894
Henricofilholia circumdata Ameghino 1901
Henricofilholia intercincta Ameghino 1904
Henricofilholia lustrata Ameghino 1901
Henricofilholia vucetichia Ribeiro et al. 2010
G. †Huilatherium Villarroel and Guerrero Diaz 1985
+
Huilatherium pluripicatum Villarroel and Guerrero Diaz 1985
+
Invalid names: Laventatherium hylei Colwel 1965 [replaced]
Invalid names: Laventatherium Colwel 1965 [replaced]
G. †Leontinia Ameghino 1895
+
Leontinia gaudryi Ameghino 1894
+
Invalid names: Leontinia fissicolis Ameghino 1897 [synonym], Leontinia lapidosa Ameghino 1894 [synonym], Leontinia oxyrhyncha Ameghino 1897 [synonym], Leontinia stenognatha Ameghino 1897 [synonym]
Leontinia tertiaria Ameghino 1902
G. †Martinmiguelia Bond and López 1995
+
Martinmiguelia fernandezi Bond and López 1995
G. †Purperia Paula Couto 1982
+
Purperia cribatidens Paula Couto 1981
G. †Pyralophodon Ameghino 1904
+
Pyralophodon pyriformis Ameghino 1904
G. †Scaphops
+
Scaphops grypus Ameghino 1894
G. †Scarrittia Simpson 1934
+
Scarrittia barranquensis Ribeiro et al. 2010
Scarrittia canquelensis Simpson 1934
Scarrittia robusta Ubilla et al. 1994
+
Stenogenium sclerops Ameghino 1894
G. †Taubatherium Soria and Alvarenga 1989
+
Taubatherium paulacoutoi Soria and Alvarenga 1989
+
Invalid names: Taubatherium major Soria and Alvarenga 1989 [objective synonym]
G. †Termastherium Wyss et al. 2018
+
Termastherium flacoensis Wyss et al. 2018
G. †Mendozahippus Cerdeño and Vera 2010
+
Mendozahippus fierensis Cerdeño and Vera 2010
G. †Moqueguahippus Shockey et al. 2006
+
Moqueguahippus glycisma Shockey et al. 2006
G. †Morphippus Ameghino 1897
+
Morphippus complicatus Ameghino 1897
Morphippus fraternus Ameghino 1901
Morphippus hypselodus Ameghino 1897
Morphippus imbricatus Ameghino 1897
Morphippus quadrilobus Ameghino 1901
G. †Notohippus Ameghino 1891
+
Notohippus toxodontoides Ameghino 1890
G. †Pascualihippus Shockey 1997
+
G. †Patagonhippus López et al. 2010
+
Patagonhippus canterensis López et al. 2010
Patagonhippus dukei López et al. 2010
G. †Rosendo Wyss et al. 2018
+
Rosendo pascuali Simpson 1967
G. †Teushentherium Martínez et al. 2020
+
Teushentherium camaronensis Martínez et al. 2020
Fm. †Toxodontidae Ameghino 1889
+
G. †Alitoxodon Rovereto 1914
+
Alitoxodon vetustus Rovereto 1914
G. †Charruatoxodon Ferrero et al. 2022
+
Charruatoxodon uruguayensis Ferrero et al. 2022
G. †Dilobodon Ameghino 1882
+
Invalid names: Dilobodon lujanensis Ameghino 1886 [nomen dubium], Dilobodon lutarius Ameghino 1886 [nomen dubium]
Subfm. †Dinotoxodontinae Madden 1997
+
G. †Dinotoxodon Mecerat 1895
G. †Gyrinodon Hopwood 1928
G. †Pericotoxodon Madden 1997
G. †Hemixotodon Cabrera and Kraglievich 1931
+
Hemixotodon chasicoensis Cabrera and Kraglievich 1931
G. †Hyperoxotodon Mercerat 1895
+
Hyperoxotodon speciosus Ameghino 1887
G. †Mixotoxodon Van Frank 1957
+
Mixotoxodon larensis Van Frank 1957
G. †Nesodonopsis Roth 1898
+
Nesodonopsis deformis Roth 1898
Subfm. †Nesodontinae Murray 1866
+
G. †Adinotherium Ameghino 1887
G. †Berroia Kraglievich 1931
G. †Gronotherium Ameghino 1887
+
Invalid names: Protoxodon Ameghino 1887 [synonym]
G. †Nesodon Owen 1846
+
Invalid names: Acrotherium Ameghino 1887 [synonym], Adelphotherium Ameghino 1887 [synonym]
G. †Phobereotherium Ameghino 1887
G. †Probereotherium Ameghino 1887
G. †Rhadinotherium Ameghino 1887
G. †Senodon
G. †Xotoprodon Ameghino 1891
G. †Ocnerotherium Pascual 1954
+
Ocnerotherium intermedium Pascual 1954
G. †Palaeotoxodon Ameghino 1904
+
Invalid names: Palaeotoxodon protoburmeisteri Ameghino 1887 [nomen dubium]
G. †Palyeidodon Roth 1898
+
Palyeidodon obtusum Roth 1898
G. †Paratrigodon Cabrera and Kraglievich 1931
+
Paratrigodon euguii Cabrera and Kraglievich 1931
G. †Pisanodon Zetti 1972
+
Pisanodon nazari Cabrera and Kraglievich 1931
+
Invalid names: Palaeotoxodon nazari Cabrera and Kraglievich 1931 [objective synonym]
G. †Posnanskytherium Liendo Lazarte 1943
+
Posnanskytherium desaguaderoi Liendo Lazarte 1943
Posnanskytherium inchasense Anaya and MacFadden 1995
Posnanskytherium viscachanense Saint-André 1999
Posnanskytherium viscachanense Saint-André 1999
Posnanskytherium viscachanense Saint-André 1999
G. †Proadinotherium Ameghino 1894
+
Proadinotherium angustidens Ameghino 1897
Proadinotherium muensteri Ameghino 1902
Proadinotherium saltoni Shockey and Anaya 2008
G. †Prototrigodon Kraglievich 1930
+
Prototrigodon rothi Kraglievich 1930
G. †Stenotephanos Ameghino 1886
+
Stenotephanos plicidens Ameghino 1885
+
Invalid names: Eutomodus elautus Ameghino 1886 [synonym], Palaeotoxodon virgatus Ameghino 1886 [synonym]
Stenotephanos speciosus Ameghino 1887
G. †Toxodon Owen 1837
+
Toxodon antiquus Moreno 1888
Toxodon bilobidens Ameghino 1887
Toxodon chapalmalensis Ameghino 1908
Toxodon darwinii Burmeister 1866
Toxodon excavatus Rovereto 1914
Toxodon expansidens Cope 1885
Toxodon gezi Ameghino 1917
Toxodon giganteus Moreno 1888
Toxodon gracilis Gervais and Ameghino 1880
Toxodon platensis Owen 1837
+
Invalid names: Toxodon angustidens Owen 1846 [synonym], Toxodon burmeisteri Giebel 1866 [synonym], Toxodon ensenadensis Ameghino 1887 [synonym], Toxodon gervaisii Gervais and Ameghino 1880 [synonym], Toxodon paradoxus Ameghino 1882 [synonym]
Toxodon protoburmeisteri Ameghino 1887
Toxodon virgatus Ameghino 1886
Subfm. †Toxodontinae Owen 1837
+
G. †Andinotoxodon Madden 1997
G. †Calchaquitherium Nasif et al. 2000
G. †Eutomodus Ameghino 1889
+
Invalid names: Tomodus Ameghino 1886 [synonym]
G. †Falcontoxodon Carrillo et al. 2018
G. †Hoffstetterius Saint-André 1993
G. †Mesenodon Paula Couto 1982
G. †Minitoxodon Paula Couto 1982
G. †Neotoxodon Paula Couto 1982
G. †Nonotherium Castellanos 1942
G. †Piauhytherium Guérin and Faure 2013
G. †Xotodon Ameghino 1887
+
Xotodon ambrosettii Rovereto 1914
Xotodon caravela Armella et al. 2018
Xotodon catamarcensis Lydekker 1894
Xotodon cristatus Moreno and Mercerat 1891
Xotodon doellojuradoi Frenguelli 1920
Xotodon foricurvatus Ameghino 1885
+
Invalid names: Toxodon parvulus Burmeister 1885 [synonym]
Xotodon maimarensis Bonini et al. 2017
Xotodon major Rovereto 1914
Xotodon prominens Ameghino 1889
Xotodon smaltatus Kraglievich 1932
Invalid names: Morphippus corrugatus Ameghino 1899 [nomen dubium]
Fm. †Haplodontheriidae Ameghino 1907
+
G. †Abothrodon Paula Couto 1944
+
Abothrodon pricei Paula Couto 1956
G. †Ceratoxodon Ameghino 1907
+
Ceratoxodon corniculatus Ameghino 1907
G. †Haplodontherium Ameghino 1885
+
Haplodontherium wildei Ameghino 1885
+
Invalid names: Haplodontherium limun Ameghino 1886 [synonym], Toxodon paranensis Ameghino 1883 [synonym], Toxodontherium compressum Ameghino 1883 [synonym], Toxodontherium listai Cozzuol 2006 [synonym], Toxodontherium reverendum Ameghino 1889 [synonym]
Invalid names: Pachynodon Burmeister 1891 [synonym]
G. †Mesotoxodon Paula Couto 1982
G. †Neotrigodon Spillmann 1949
+
Neotrigodon utoquineae Spillman 1949
G. †Plesioxotodon Roth 1902
+
G. †Stereotoxodon Ameghino 1904
+
Stereotoxodon ameghinoi Kraglievich 1930
Stereotoxodon feruglioi Kraglievich 1930
Stereotoxodon patagonicus Kraglievich 1930
Stereotoxodon superbus Kraglievich 1930
Stereotoxodon teheulche Ameghino 1904
G. †Toxodontherium Ameghino 1883
+
Toxodontherium minus Lydekker 1894
G. †Trigodon Ameghino 1882
+
Trigodon gaudryi Ameghino 1887
Trigodon minor Lydekker 1893
G. †Trigodonops Kraglievich 1930
+
Trigodonops lopesi Roxo 1821
Fm. †Homalodotheriidae Gregory 1910
+
G. †Asmodeus Ameghino 1894
+
Asmodeus osborni Ameghino 1894
Asmodeus petrasnerus Seoane and Cerdeño 2014
Asmodeus scotti Ameghino 1894
G. †Asmodus
Subfm. †Chasicotheriinae Cabrera and Kraglievich 1931
+
G. †Chasicotherium Cabrera and Kraglievich 1931
+
Chasicotherium rothi Cabrera and Kraglievich 1931
G. †Homalodotherium Huxley 1870
+
Homalodotherium canepai Bordas 1941
Homalodotherium crassum Ameghino 1894
Homalodotherium excursum Ameghino 1894
Homalodotherium segoviae Ameghino 1891
G. †Trigonolophodon Roth 1903
+
Fm. †Isotemnidae Ameghino 1897
+
G. †Acoelohyrax Ameghino 1902
+
Acoelohyrax coronatus Ameghino 1902
Acoelohyrax sigma Ameghino 1901
Invalid names: Plexotemnus Ameghino 1904 [synonym]
G. †Anisotemnus Ameghino 1902
+
Anisotemnus distentus Ameghino 1901
+
Invalid names: Isotemnus lophiodontoides Ameghino 1901 [synonym]
Invalid names: Toxotemnus Ameghino 1904 [synonym]
G. †Calodontotherium Roth 1903
G. †Coelostylodon Simpson 1970
+
G. †Distylophorus Ameghino 1902
+
Invalid names: Stylophorus Roth 1902 [replaced]
G. †Isotemnus Ameghino 1897
+
Isotemnus ctalego Simpson 1935
Isotemnus haugi Roth 1902
Isotemnus latidens Ameghino 1901
+
Invalid names: Eochalicotherium crassidens Ameghino 1901 [synonym], Eochalicotherium robustum Ameghino 1901 [synonym], Isotemnus apicatus Ameghino 1901 [synonym], Isotemnus cuspidatus Ameghino 1901 [synonym], Isotemnus enecatus Ameghino 1901 [synonym]
Isotemnus primitivus Ameghino 1897
+
Invalid names: Amphitemnus nucleatus Ameghino 1904 [synonym], Amphitemnus transitorius Ameghino 1904 [synonym], Eochalicotherium cretaceum Ameghino 1901 [synonym], Isotemnus conspiquus Ameghino 1897 [synonym], Trimerostephanos angustus Ameghino 1897 [synonym]
Invalid names: Amphitemnus Ameghino 1904 [synonym], Dimerostephanos Ameghino 1902 [synonym], Eochalicotherium Ameghino 1901 [synonym], Isotemnus colhuehuapiensis Ameghino 1902 [nomen vanum], Lelfunia Roth 1902 [synonym], Prostylops Ameghino 1897 [synonym], Prostylops typus Ameghino 1897 [nomen dubium]
G. †Lophocoelus Ameghino 1904
+
Lophocoelus macrostomus Ameghino 1904
G. †Pampatemnus Vucetich and Bond 1982
+
Pampatemnus deuteros Vucetich and Bond 1982
Pampatemnus infernalis Vucetich and Bond 1982
G. †Pleurocoelodon Ameghino 1894
+
Pleurocoelodon cingulatus Ameghino 1894
Pleurocoelodon wingei Ameghino 1894
G. †Pleurostylodon Ameghino 1897
+
Pleurostylodon complanatus Ameghino 1902
+
Invalid names: Pleurostylodon irregularis Ameghino 1904 [synonym], Pleurostylodon neglectus Ameghino 1904 [synonym]
Pleurostylodon crassiramis Ameghino 1902
Pleurostylodon modicus Ameghino 1897
+
Invalid names: Anchistrum sulcosum Ameghino 1901 [synonym], Dialophus simus Ameghino 1901 [synonym], Dimerostephanos attritus Ameghino 1902 [synonym], Parastylops coelodus Ameghino 1897 [synonym], Paratemnus geminatus Ameghino 1904 [synonym], Pleurostylodon divisus Ameghino 1901 [synonym], Pleurostylodon limpidus Ameghino 1904 [synonym], Pleurostylodon obscurus Ameghino 1904 [synonym], Pleurostylodon plexus Ameghino 1901 [synonym], Pleurostylodon sinuosus Ameghino 1902 [synonym], Trimerostephanos biconus Ameghino 1897 [synonym], Tychostylops marculus Ameghino 1901 [synonym]
Pleurostylodon recticrista Ameghino 1904
Pleurostylodon similis Ameghino 1901
+
Invalid names: Coelostylops crassus Ameghino 1901 [synonym], Tychostylops simus Ameghino 1904 [synonym]
Invalid names: Anchistrum Ameghino 1901 [synonym], Coelostylops Ameghino 1901 [synonym], Dialophus Ameghino 1901 [synonym], Parastylops Ameghino 1897 [synonym], Paratemnus Ameghino 1904 [synonym], Pleurostylodon bifidus Ameghino 1904 [nomen dubium], Pleurostylodon notabilis Ameghino 1901 [nomen dubium], Porotemnus Ameghino 1902 [synonym], Tychostylops Ameghino 1901 [synonym]
G. †Rhyphodon Roth 1899
+
Rhyphodon lankesteri Roth 1899
+
Invalid names: Lemudeus proportionalis Roth 1904 [synonym], Pehuenia insigna Roth 1904 [synonym], Pehuenia wehrlii Roth 1902 [synonym], Setebos terribilis Roth 1902 [synonym]
Invalid names: Pehuenia Roth 1902 [synonym], Setebos Roth 1902 [synonym]
G. †Thomashuxleya Ameghino 1901
+
Thomashuxleya externa Ameghino 1901
+
Invalid names: Thomashuxleya artuata Ameghino 1901 [synonym]
Thomashuxleya rostrata Ameghino 1901
+
Invalid names: Thomashuxleya robusta Ameghino 1901 [synonym]
G. †Trimerostephanos Ameghino 1895
+
Trimerostephanos coalitus Ameghino 1901
Trimerostephanos coarctatus Ameghino 1901
Trimerostephanos scabrus Ameghino 1894
Trimerostephanos scalaris Ameghino 1897
Invalid names: Colhuapia Roth 1902 [nomen dubium], Colhuapia rosei Roth 1902 [nomen dubium], Colhuelia Roth 1902 [nomen dubium], Eurystephanodon crassatus Roth 1903 [nomen dubium], Interhippus deflexus Ameghino 1902 [nomen dubium], Lafkenia Roth 1902 [nomen dubium], Lafkenia schmidti Roth 1902 [nomen dubium], Lafkenia sulcifera Roth 1902 [nomen dubium], Pehuenia magna Roth 1904 [nomen dubium], Thomashuxleya principialis Ameghino 1902 [nomen dubium], Trigonolophodon modicus Roth 1904 [nomen dubium]
G. †Nesotherium Mercerat 1891
G. †Noaditherium Ameghino 1907
G. †Periphragnis Roth 1899
+
Periphragnis circunflexus Ameghino 1901
Periphragnis exauctus Ameghino 1902
Periphragnis harmeri Roth 1899
+
Invalid names: Asmodeus armatus Ameghino 1901 [synonym], Calodontotherium varietatum Roth 1904 [synonym], Eurystephanodon cattanii Roth 1904 [synonym], Lemudeus angustidens Roth 1904 [synonym], Tehuelia regia Roth 1902 [synonym], Thomashuxleya rankei Roth 1902 [synonym]
Periphragnis palmeri Roth 1904
+
Invalid names: Periphragnis cristatus Roth 1904 [synonym]
Periphragnis vicentei Bradham et al. 2015
Invalid names: Coelodontotherium Roth 1903 [synonym], Lemudeus Roth 1903 [synonym], Proasmodeus Ameghino 1902 [synonym], Tehuelia Roth 1902 [synonym]
Fm. †Xotodontidae Ameghino 1889
+
G. †Palaeolithops Ameghino 1891
+
Invalid names: Lithops Ameghino 1887 [replaced]
Invalid names: Atryptheridae Ameghino 1889 [empty], Lithops praevius Ameghino 1887 [nomen dubium], Notohippidae Ameghino 1894 [invalid subgroup], Pachyrucidae Lydekker 1894 [empty], Protoxodontidae Ameghino 1889 [empty], Rhadinotherium limitatum Mercerat 1891 [nomen dubium], Tembotheridae Moreno 1882 [empty]
Subor. †Typotheria Zittel 1892
+
Fm. †Campanorcidae Bond et al. 1984
+
G. †Campanorco Bond et al. 1984
+
Campanorco inauguralis Bond et al. 1984
G. †Griphotherion García López and Powell 2011
+
Griphotherion peiranoi García López and Powell 2011
Unr. †Hegetotheriidae Ameghino 1894
+
G. †Getohetherium Ameghino 1904
+
Getohetherium tournoueri Ameghino 1904
Unr. †Hegetotheriinae Ameghino 1894
+
G. †Hegetotherium Ameghino 1887
+
Hegetotherium cerdasensis Croft et al. 2016
Hegetotherium mirabile Ameghino 1887
+
Invalid names: Hegetotherium anceps Ameghino 1891 [synonym], Hegetotherium andinum Roth 1898 [synonym], Hegetotherium convexum Ameghino 1891 [synonym], Hegetotherium costatum Ameghino 1891 [synonym], Hegetotherium cuneatum Ameghino 1891 [synonym], Hegetotherium minum Ameghino 1894 [synonym], Hegetotherium strigatum Ameghino 1887 [synonym], Selatherium pachymorphum Ameghino 1894 [synonym], Selatherium remissum Ameghino 1894 [synonym]
Hegetotherium novum Bordas 1939
Unr. †Hemihegetotheriomorpha Seoane et al. 2023
+
G. †Hemihegetotherium Rovereto 1914
G. †Prohegetotherium Ameghino 1897
+
Prohegetotherium malalhuense Cerdeño and Reguero 2015
Prohegetotherium schiaffinoi Kraglievich 1932
+
Invalid names: Prohegetotherium carettei Minoprio 1947 [synonym]
Prohegetotherium sculptum Ameghino 1897
+
Invalid names: Prohegetotherium shumwayi Loomis 1914 [synonym]
Invalid names: Ethegotherium Simpson et al. 1962 [synonym]
G. †Sallatherium Reguero and Cerdeño 2005
+
Sallatherium altiplanense Reguero and Cerdeño 2005
G. †Tegehotherium Ameghino 1904
+
Tegehotherium burmeisteri Ameghino 1904
Invalid names: Hemihegetotherium trilobus Croft and Anaya 2006 [nomen dubium]
G. †Hegetotheriopsis Kramarz and Paz 2013
+
Hegetotheriopsis sulcatus Kramarz and Paz 2013
Unr. †Pachyrukhinae Kraglievich 1934
+
G. †Medistylus Stirton 1952
+
Medistylus dorsatus Ameghino 1904
Unr. †Pachyrukhini Seoane et al. 2023
+
G. †Pachyrukhos Ameghino 1885
+
Invalid names: Pedotherium Burmeister 1888 [synonym]
G. †Paedotherium Burmeister 1888
+
Invalid names: Raulringueletia Zett 1972 [synonym]
G. †Tremacyllus Ameghino 1891
G. †Propachyrucos Ameghino 1897
+
G. †Prosotherium Ameghino 1897
+
Prosotherium garzoni Ameghino 1897
+
Invalid names: Propachyrucos ameghinorum Simpson 1945 [synonym], Propachyrucos simpsoni Chaffee 1952 [synonym], Prosotherium quartum Ameghino 1901 [synonym], Prosotherium robustum Ameghino 1897 [synonym], Prosotherium triangulidens Ameghino 1897 [synonym]
G. †Paedsotherium Burmeister 1888
G. †Pseudohegetotherium Cabrera and Kraglievich 1931
G. †Selatherium Ameghino 1894
Invalid names: Propachyrucos aequilatus Ameghino 1901 [nomen dubium], Propachyrucos crassus Ameghino 1897 [nomen dubium], Propachyrucos robustus Roth 1898 [nomen dubium]
Fm. †Hemihegetotheriidae Rusconi 1933
+
G. †Notopachyrukhos Rusconi 1933
+
Notopachyrukhos tambuttoi Rusconi 1949
Fm. †Interatheriidae Ameghino 1887
+
G. †Antofagastia García López and Babot 2015
+
Antofagastia turneri García López and Babot 2015
G. †Argyrohyrax Ameghino 1897
+
Argyrohyrax acuticostatus Ameghino 1901
Argyrohyrax concentricus Ameghino 1901
Argyrohyrax nesodontoides Ameghino 1901
Argyrohyrax proavus Ameghino 1897
+
Invalid names: Argyrohyrax proavunculus Ameghino 1897 [synonym], Notohyrax conicus Ameghino 1901 [synonym], Plagiarthrus cliva Ameghino 1894 [synonym]
Invalid names: Notohyrax Ameghino 1901 [synonym], Plagiarthrus Ameghino 1896 [synonym]
G. †Cochilius Ameghino 1902
+
Cochilius brevirostrus Bordas 1939
+
Invalid names: Paracochilius chubutensis Bordas 1939 [objective synonym], Protypotherium minor Bordas 1939 [objective synonym]
Cochilius fumensis Simpson 1932
Cochilius minor Bordas 1939
Cochilius volvens Ameghino 1902
Invalid names: Paracochilius Bordas 1939 [objective synonym]
G. †Fiandraia Roselli 1976
G. †Ignigena Hitz et al. 2006
+
Ignigena minisculus Hitz et al. 2006
Subfm. †Interatheriinae Simpson 1945
+
G. †Boleatherium Vera et al. 2021
+
Boleatherium praeludium Vera et al. 2021
G. †Brucemacfaddenia Hitz et al. 2008
+
Brucemacfaddenia boliviensis Hitz et al. 2008
G. †Eopachyrucos Ameghino 1901
+
Eopachyrucos pliciformis Simpson 1967
+
Invalid names: Eopachyrucos pliciferus Ameghino 1901 [objective synonym]
Eopachyrucos ranchoverdensis Reguero et al. 2003
Invalid names: Eupachyrucos Ameghino 1906 [objective synonym]
G. †Federicoanaya Hitz et al. 2008
+
Federicoanaya sallaensis Hitz et al. 2008
G. †Juchuysillu Croft and Anaya 2020
+
Juchuysillu arenalesensis Croft and Anaya 2020
G. †Munizia Kraglievich 1931
+
Munizia paranensis Kraglievich 1931
G. †Proargyrohyrax Hitz et al. 2000
+
Proargyrohyrax curanderensis Hitz et al. 2000
G. †Santiagorothia Hitz et al. 2000
+
Santiagorothia chiliensis Hitz et al. 2000
G. †Interatherium Ameghino 1887
+
Interatherium excavatum Ameghino 1889
Interatherium extensum Ameghino 1889
Interatherium extensus Fernández et al. 2023
+
Invalid names: Icochilus crassiramis Ameghino 1894 [objective synonym], Icochilus extensus Ameghino 1889 [objective synonym], Icochilus hegetotheroides Ameghino 1894 [objective synonym], Icochilus lamellosus Ameghino 1894 [objective synonym], Icochilus robustus Ameghino 1891 [objective synonym], Icochilus senilis Ameghino 1894 [objective synonym], Icochilus trilineatus Ameghino 1894 [objective synonym], Icochilus truncus Ameghino 1894 [objective synonym], Interatherium dentatum Ameghino 1894 [objective synonym], Interatherium interruptum Ameghino 1894 [objective synonym], Interatherium robustum Ameghino 1891 [synonym]
Interatherium rodens Moreno 1882
+
Invalid names: Icochilus anomalus Ameghino 1894 [objective synonym], Icochilus excavatus Ameghino 1889 [objective synonym], Icochilus multidentatus Ameghino 1894 [objective synonym], Icochilus rotundatus Ameghino 1889 [objective synonym], Interatherium anguliferum Ameghino 1894 [objective synonym], Interatherium supernum Ameghino 1882 [objective synonym], Tembotherium holmbergii Moreno 1882 [synonym]
Invalid names: Icochilus Ameghino 1889 [objective synonym], Interatherium brevifrons Ameghino 1894 [nomen dubium], Tembotherium Moreno 1882 [synonym]
G. †Johnbell Hitz et al. 2006
+
Johnbell hatcheri Hitz et al. 2006
G. †Miocochilius Stirton 1953
+
Miocochilius anomopodus Stirton 1953
Miocochilius federicoi Croft 2007
G. †Nesciotherium Roth 1898
+
G. †Patriarchus Ameghino 1889
+
Patriarchus palmidens Ameghino 1889
G. †Progaleopithecus Ameghino 1904
+
Progaleopithecus tournoueri Ameghino 1904
G. †Protypotherium Ameghino 1882
+
Protypotherium antiquum Ameghino 1882
Protypotherium australe Moreno 1882
+
Invalid names: Epipatriarchus bifidens Ameghino 1904 [objective synonym], Patriarchus altus Ameghino 1891 [objective synonym], Patriarchus furculosus Ameghino 1891 [objective synonym], Protypotherium distortum Ameghino 1891 [objective synonym], Protypotherium martini Lane 1927 [objective synonym], Protypotherium palmidens Ameghino 1889 [objective synonym]
Protypotherium claudum Ameghino 1889
Protypotherium colloncurensis Vera et al. 2017
+
Invalid names: Protypotherium concepcionensis Solórzano et al. 2019 [objective synonym]
Protypotherium columnifer Fernández et al. 2021
+
Invalid names: Cochilius columnifer Ameghino 1902 [synonym], Protypotherium sinclairi Kramarz et al. 2015 [objective synonym]
Protypotherium diastematum Ameghino 1891
Protypotherium distinctum Cabrera and Kraglievich 1931
Protypotherium furculosus Ameghino 1891
Protypotherium icochiloides Ameghino 1894
Protypotherium minutum Cabrera and Kraglievich 1931
Protypotherium obstructum Rovereto 1914
Protypotherium praerutilum Ameghino 1887
+
Invalid names: Eudiastatus lingulatus Ameghino 1891 [objective synonym], Icochilus endiadys Roth 1898 [objective synonym], Patriarchus diastematus Ameghino 1891 [objective synonym], Patriarchus icochiloides Ameghino 1894 [objective synonym], Patriarchus leptocephalus Ameghino 1891 [objective synonym], Patriarchus rectus Ameghino 1891 [objective synonym], Protypotherium attenuatum Ameghino 1887 [objective synonym], Protypotherium convexidens Ameghino 1891 [objective synonym], Protypotherium diversidens Ameghino 1891 [objective synonym], Protypotherium globosum Ameghino 1891 [objective synonym], Protypotherium lineare Ameghino 1894 [objective synonym]
Protypotherium rectus Ameghino 1891
Invalid names: Epipatriarchus Ameghino 1904 [synonym], Toxodontophanus Moreno 1882 [synonym]
G. †Punapithecus López and Bond 1995
+
Punapithecus minor López and Bond 1995
Fm. †Mesotheriidae Alston 1876
+
Subfm. †Mesotheriinae Alston 1876
+
G. †Acrotypotherium Rusconi 1936
Tr. †Bolivarini Armella and Deforel 2023
+
G. †Altitypotherium Croft et al. 2004
G. †Eotypotherium Croft et al. 2004
G. †Eutypotherium Roth 1902
G. †Microtypotherium Villarroel 1974
G. †Rusconitherium Cerdeño et al. 2018
G. †Typotheriopsis Cabrera and Kraglievich 1930
G. †Bravardia Cattoi 1941
G. †Caraguatypotherium Flynn et al. 2005
+
Caraguatypotherium munozi Flynn et al. 2005
G. †Hypsitherium Anaya and MacFadden 1995
+
Hypsitherium bolivianum Anaya and MacFadden 1995
Tr. †Pampaini Armella and Deforel 2023
+
G. †Mesotherium Serres 1867
+
Invalid names: Typotherium Bravard 1856 [objective synonym]
G. †Pseudotypotherium Ameghino 1904
G. †Plesiotypotherium Villarroel 1974
+
Plesiotypotherium achirense Villarroel 1974
+
Invalid names: Plesiotypotherium majus Villarroel 1974 [objective synonym]
Plesiotypotherium casirense Cerdeño et al. 2012
G. †Typothericulus Kraglievich 1930
+
Typothericulus roveretoi Kraglievich 1930
G. †Typotheridion Cabrera 1939
G. †Typotheriodon Cabrera 1939
+
Invalid names: Typotheriodon grandis Cabrera 1937 [nomen dubium]
G. †Trachytherus Ameghino 1889
+
Trachytherus alloxus Billet et al. 2008
Trachytherus ramirezi Shockey et al. 2016
Trachytherus spegazzinianus Ameghino 1889
+
Invalid names: Ameghinotherium curuzucuatiense Podestá 1899 [synonym], Anatrachytherus soriai Reguero and Castro 2004 [synonym], Coresodon cancellatus Ameghino 1901 [synonym], Eutrachytherus grandis Loomis 1914 [objective synonym], Proedium solitarium Ameghino 1894 [synonym], Trachytherus conturbatus Ameghino 1891 [synonym]
Trachytherus subandinus Villarroel A. et al. 1994
Invalid names: Ameghinotherium Podestá 1899 [synonym], Anatrachytherus Reguero and Castro 2004 [synonym], Eutrachytherus Ameghino 1897 [objective synonym], Isoproedrium Ameghino 1904 [synonym], Proedium Ameghino 1895 [synonym]
Invalid names: Trachytheriinae Ameghino 1889 [empty]
+
G. †Archaeophylus Ameghino 1897
+
Archaeophylus patrius Ameghino 1897
Archaeophylus yunnanensis Luo et al. 1982
G. †Caenophilus Ameghino 1904
+
Caenophilus tripartitus Ameghino 1904
G. †Phanophilus Ameghino 1904
+
G. †Entelomorphus Ameghino 1889
G. †Trachytypotherium Ameghino 1904
+
Trachytypotherium disparile Ameghino 1904
Trachytypotherium internum Ameghino 1891
Trachytypotherium sp Ameghino 1904
Trachytypotherium superans Ameghino 1904
G. †Xenotherium Ameghino 1904
Superfm. †Typotherioidea Reguero and Castro 2004
+
Fm. †Archaeohyracidae Ameghino 1897
+
G. †Archaeohyrax Ameghino 1897
+
Archaeohyrax patagonicus Ameghino 1897
Archaeohyrax proavus Ameghino 1897
Archaeohyrax suniensis Billet et al. 2009
G. †Archaeotypotherium Roth 1903
+
Archaeotypotherium pattersoni Croft et al. 2003
+
Invalid names: Archaeohyrax concentricus Ameghino 1901 [synonym]
G. †Bryanpattersonia Simpson 1967
+
+
Invalid names: Eomorphippus rutilatus Ameghino 1901 [synonym]
Bryanpattersonia sulcidens Ameghino 1902
G. †Eohyrax Ameghino 1901
+
Eohyrax isotemnoides Ameghino 1904
Eohyrax praerusticus Ameghino 1902
Eohyrax rusticus Ameghino 1901
Invalid names: Eohyrax brachyodus Ameghino 1902 [nomen vanum], Eohyrax platyodus Ameghino 1904 [nomen dubium]
G. †Isolophodon Roth 1903
+
G. †Pascualhyrax Ferro et al. 2023
+
Pascualhyrax irqi Ferro et al. 2023
G. †Protarchaeohyrax Reguero et al. 2003
+
Protarchaeohyrax intermedium Reguero et al. 2003
Protarchaeohyrax minor Reguero et al. 2003
G. †Pseudhyrax Ameghino 1901
+
+
Invalid names: Degonia kollmanni Roth 1902 [synonym], Pseudopithecus modestus Roth 1902 [synonym], Rankelia elegans Roth 1902 [synonym]
Pseudhyrax strangulatus Ameghino 1901
+
Invalid names: Trimerostephanos cuneolus Ameghino 1901 [synonym]
Invalid names: Degonia Roth 1902 [synonym], Pseudopithecus Roth 1902 [synonym], Rankelia Roth 1902 [synonym]
G. †Punahyrax Reguero et al. 2008
+
Punahyrax bondesioi Reguero et al. 2008
Invalid names: Eutrachytheriidae Ameghino 1897 [empty]
Subor. †Typotheroidea
+
Invalid names: Hegetotheroidea [empty]
Invalid names: Albertogaudryidae Ameghino 1901 [empty], Archaeotypotherium transitum Roth 1904 [nomen vanum], Brandmayria Cabrera 1935 [nomen dubium], Carolodarwinia Ameghino 1901 [nomen dubium], Carolodarwinia pyramidentata Ameghino 1901 [nomen dubium], Claenodon patagonicus Ameghino 1904 [nomen dubium], Degonia sympathica Roth 1902 [nomen dubium], Edvardocopeia Ameghino 1901 [nomen dubium], Edvardocopeia sinuosa Ameghino 1901 [nomen dubium], Epitypotherium cancellatum Ameghino 1904 [nomen dubium], Homalodotheria [empty], Isotypotherium Ameghino 1904 [nomen dubium], Lophiodonticulus Ameghino 1902 [nomen dubium], Lophiodonticulus patagonicus Ameghino 1902 [nomen dubium], Lophiodonticulus retroversus Ameghino 1902 [nomen dubium], Notopithecus summus Ameghino 1897 [nomen dubium], Orthogenium ameghinoi Roth 1902 [nomen vanum], Ortholophodon Roth 1902 [nomen dubium], Pleurystylops Ameghino 1901 [nomen dubium], Pleurystylops glebosus Ameghino 1901 [nomen dubium], Procolpodon Ameghino 1904 [nomen dubium], Procolpodon foratus Ameghino 1904 [nomen dubium], Pyramidon Roth 1902 [nomen dubium], Pyramidon klaatschi Roth 1902 [nomen dubium], Tonostylops Ameghino 1902 [nomen dubium], Tonostylops spissus Ameghino 1902 [nomen dubium], Trimerostephanos ultimus Ameghino 1901 [nomen vanum], Ultrapithecus robustus Roth 1902 [nomen dubium]
Diagnosis
ReferenceDiagnosis
F. Welker et al. 2015At present, we prefer to recognize Litopterna and Notoungulata as part of a branch-based rankless taxon Panperissodactyla, uniting all taxa more closely related to crown Perissodactyla than to any other extant taxon of placentals.