Classification of Lydekker 1894

Fm. Cervidae Gray 1821 [deer]
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G. Cariacus Gray 1850
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†Cariacus aspeitianus Ameghino 1888
†Cariacus brachyceros Gervais and Ameghino 1880
†Cariacus campestris Cuvier 1817
†Cariacus fragilis Ameghino 1888
†Cariacus paludosus Desmarest 1822
†Cariacus seneliticus Ameghino 1888
†Cariacus ultra Ameghino 1888
Fm. Equidae Gray 1821 [horse]
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G. †Hippidium Owen 1869
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†Hippidium entrerianum Ameghino 1886
†Hippidium neogaeum Lund 1840
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Invalid names: Hipphaplus bravardi Ameghino 1889 [synonym]
†Hippidium principale Lund 1846
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Invalid names: Hippidion angulatus Ameghino 1889 [synonym], Hippidion compressidens Ameghino 1889 [synonym]
Invalid names: Hipphaplus Ameghino 1882 [synonym]
G. †Onohippidium Moreno 1891
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†Onohippidium munizi Moreno 1891
G. Equus Linnaeus 1758 [horse]
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†Equus curvidens Owen 1845
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Invalid names: Equus rectidens Gervais and Ameghino 1880 [synonym]
Subor. †Toxodontia Ameghino 1887
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Fm. †Toxodontidae Ameghino 1889
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G. †Nesodon Owen 1846
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†Nesodon imbricatus Owen 1846
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Invalid names: Acrotherium karaikense Ameghino 1890 [synonym], Adelphotherium repandum Mercerat 1891 [synonym], Adelphotherium trivium Mercerat 1891 [synonym], Nesodon sullivani Owen 1846 [synonym], Protoxodon marmoratus Ameghino 1887 [synonym]
†Nesodon ovinus Owen 1846
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Invalid names: Acrotherium kobyi Mercerat 1891 [synonym], Acrotherium mutabile Mercerat 1891 [synonym], Adinotherium magister Ameghino 1887 [synonym], Adinotherium splendidum Ameghino 1887 [synonym], Nesodon typicus Mercerat 1891 [synonym]
†Nesodon patagonicus Mercerat 1891
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Invalid names: Protoxodon evidens Mercerat 1891 [synonym]
Invalid names: Acrotherium Ameghino 1887 [synonym], Adelphotherium Ameghino 1887 [synonym], Protoxodon Ameghino 1887 [synonym]
G. †Stenotephanos Ameghino 1886
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†Stenotephanos speciosus Ameghino 1887
G. †Toxodon Owen 1837
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†Toxodon platensis Owen 1837
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Invalid names: Toxodon burmeisteri Giebel 1866 [synonym], Toxodon ensenadensis Ameghino 1887 [synonym], Toxodon paradoxus Ameghino 1882 [synonym]
G. †Toxodontherium Ameghino 1883
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†Toxodontherium compressum Ameghino 1883
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Invalid names: Haplodontherium limum Ameghino 1886 [synonym], Haplodontherium wildei Ameghino 1885 [synonym]
†Toxodontherium minus Lydekker 1894
G. †Xotodon Ameghino 1887
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†Xotodon catamarcensis Lydekker 1894
†Xotodon foricurvatus Ameghino 1885
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Invalid names: Xotodon prominens Ameghino 1889 [synonym]
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G. †Typotherium Bravard 1856
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†Typotherium cristatum Serres 1857
Invalid names: Entelomorphus Ameghino 1889 [synonym]
Invalid names: Pachyrucidae Lydekker 1894 [empty]
Or. †Astrapotheria Lydekker 1894
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Fm. †Astrapotheriidae Ameghino 1887
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G. †Astrapotherium Burmeister 1879
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†Astrapotherium angustidens Mercerat 1891
†Astrapotherium magnum Owen 1853
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Invalid names: Astrapotherium burmeisteri Mercerat 1891 [synonym], Astrapotherium gaudryi Mercerat 1891 [synonym], Astrapotherium patagonicum Burmeister 1879 [synonym], Astrapotherium robustum Mercerat 1891 [synonym], Astrapotherium voghti Mercerat 1891 [synonym]
Fm. †Homalodontotheridae Ameghino 1889
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G. †Homalodontotherium Huxley 1870
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Or. †Litopterna Ameghino 1889
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Fm. †Macraucheniidae Ameghino 1889
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G. †Macrauchenia Owen 1838
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†Macrauchenia boliviensis Huxley 1860
G. †Oxyodontotherium Ameghino 1883
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G. †Scalabrinia Ameghino 1883
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†Scalabrinia paranaensis Bravard 1858
Fm. †Proterotheriidae Ameghino 1887
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G. †Diadiaphorus Ameghino 1887
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†Diadiaphorus majusculus Ameghino 1887
†Diadiaphorus sanctaecrucis Lydekker 1894
†Diadiaphorus velox Ameghino 1887
G. †Epitherium Ameghino 1888
G. †Proterotherium Ameghino 1883
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†Proterotherium americanum Bravard 1858
†Proterotherium australe Burmeister 1879
†Proterotherium cavum Ameghino 1887
G. †Oxyodontherium Ameghino 1883
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†Oxyodontherium fontanae Ameghino 1891
†Oxyodontherium lydekkeri Ameghino 1887
Invalid names: Mesorhinus Ameghino 1885 [synonym]