Classification of the family Hyracodontidae

Fm. †Hyracodontidae Cope 1879
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Subfm. †Alloceropinae Wood 1932
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G. †Armania Gabunia and Dashzeveg 1988
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Armania asiana Gabunia and Dashzeveg 1988
G. †Tenisia Reshetov et al. 1993
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Tenisia turgaica Borissiak 1915
G. †Ardynia Matthew and Granger 1923
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Ardynia altidentata Qiu et al. 2004
Ardynia mongoliensis Belyaeva 1952
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Invalid names: Parahyracodon kazachstanensis Belyaeva 1952 [synonym]
Ardynia ordosensis Bai et al. 2018
Ardynia praecox Matthew and Granger 1923
Invalid names: Ardynia plicidentata Gabunia 1964 [nomen dubium]
G. †Epitriplopus Wood 1927
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Epitriplopus uintensis Peterson 1919
G. †Hyracodon Leidy 1856
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Hyracodon browni Russell 1934
Hyracodon leidyanus Troxell 1921
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Invalid names: Hyracodon apertus Sinclair 1922 [synonym]
Hyracodon major Scott and Osborn 1887
Hyracodon medius Peterson 1934
Hyracodon nebraskensis Leidy 1850
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Invalid names: Hyracodon arcidens Cope 1873 [synonym], Hyracodon doddi Tanner and Martin 1976 [synonym]
Hyracodon petersoni Wood 1926
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Invalid names: Hyracodon ischyrolophus Schlaikjer 1935 [synonym], Hyracodon selenidens Troxell 1921 [synonym]
Hyracodon primus Peterson 1934
Hyracodon priscidens Lambe 1905
Invalid names: Mesamynodon Peterson 1931 [synonym]
G. †Ilianodon Chow 1961
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Ilianodon lunanensis Chow 1961
G. †Pataecops Radinsky 1966
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Pataecops minutissimus Reshetov 1979
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Invalid names: Pataecops microdon Reshetov 1979 [synonym]
Pataecops parvus Radinsky 1965
G. †Praeaceratherium Abel 1910
G. †Prohyracodon Koch 1897
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Invalid names: Prohyracodon progressa Chow 1961 [synonym]
Prohyracodon obrutschewi Dashzeveg 1996
Prohyracodon parvum Dashzeveg 1991
Invalid names: Meninatherium Abel 1910 [synonym], Prothyracodon Scott and Osborn 1887 [synonym]
G. †Rhodopagus Radinsky 1965
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Rhodopagus minimus Matthew and Granger 1925
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Invalid names: Rhodopagus pygmaeus Radinsky 1965 [synonym]
G. †Triplopides Radinsky 1967
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Triplopides rieli Radinsky 1967
G. †Triplopus Cope 1880
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Triplopus cubitalis Cope 1880
Triplopus implicatus Cope 1873
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Invalid names: Eotrigonias petersoni Wood 1927 [synonym]
Triplopus mergenensis Dashzeveg 1991
Triplopus obliquidens Scott and Osborn 1887
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Invalid names: Prothyracodon intermedium Scott and Osborn 1887 [synonym], Triplopus grangeri Wood 1927 [synonym]
Triplopus woodi Stock 1936
Invalid names: Eotrigonias Wood 1927 [synonym]
G. †Ulania Qi 1990
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Ulania wilsoni Qi 1990
G. †Yimengia Wang 1988
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Yimengia laiwuensis Qi and Meng 1983
Yimengia yani Wang 1988
Yimengia zdanskyi Lucas and Schoch 1981
Invalid names: Allaceropinae Wood 1932 [empty], Hyracodontinae Steinmann and Doderlein 1890 [empty], Triplopodinae Cope 1881 [empty]