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Hyracodontidae
Taxonomy
Hyracodontidae was named by Cope (1879). It is not extant.
It was assigned to Perissodactyla by Lambe (1908); to Chelodactyla by Scott (1913); to Perissodactyla by Cope (1889), Peterson (1919); to Rhinocerotida by Prothero and Schoch (1989); to Rhinocerotoidea by Hay (1902), Radinsky (1966), Ferrusquia-Villafranca (1969), Carroll (1988), Dashzeveg (1996), Holbrook (1999), Wang et al. (2016); and to Perissodactyla by Cope (1881), Bai and Wang (2017), Lofgren et al. (2020).
It was assigned to Perissodactyla by Lambe (1908); to Chelodactyla by Scott (1913); to Perissodactyla by Cope (1889), Peterson (1919); to Rhinocerotida by Prothero and Schoch (1989); to Rhinocerotoidea by Hay (1902), Radinsky (1966), Ferrusquia-Villafranca (1969), Carroll (1988), Dashzeveg (1996), Holbrook (1999), Wang et al. (2016); and to Perissodactyla by Cope (1881), Bai and Wang (2017), Lofgren et al. (2020).
Synonymy list
| Year | Name and author |
|---|---|
| 1879 | Hyracodontidae Cope |
| 1881 | Hyracodontidae Cope p. 393 |
| 1889 | Hyracodontidae Cope p. 876 |
| 1902 | Hyracodontidae Hay p. 638 |
| 1908 | Hyracodontidae Lambe |
| 1913 | Hyracodontidae Scott p. 291 |
| 1919 | Hyracodontidae Peterson p. 127 |
| 1966 | Hyracodontidae Radinsky p. 631 |
| 1969 | Hyracodontidae Ferrusquia-Villafranca |
| 1988 | Hyracodontidae Carroll |
| 1989 | Hyracodontidae Prothero and Schoch p. 534 |
| 1996 | Hyracodontidae Dashzeveg p. 3 |
| 1999 | Hyracodontidae Holbrook p. 346 |
| 2016 | Hyracodontidae Wang et al. |
| 2017 | Hyracodontidae Bai and Wang |
| 2020 | Hyracodontidae Lofgren et al. |
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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.
Fm. †Hyracodontidae Cope 1879
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Subfm. †Alloceropinae Wood 1932
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G. †Ardynia Matthew and Granger 1923
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†Ardynia altidentata Qiu et al. 2004
†Ardynia kazachstanensis Beliajeva 1952
†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. †Hyracodon Leidy 1856
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†Hyracodon browni Russell 1934
†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: Hyracodon arcidens mimus Troxell 1921 [synonym], Mesamynodon Peterson 1931 [synonym]
G. †Praeaceratherium Abel 1910
G. †Prohyracodon Koch 1897
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†Prohyracodon obrutschewi Dashzeveg 1996
†Prohyracodon orientale Koch 1897
†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 guoi Paepen et al. 2021
†Rhodopagus minimus Matthew and Granger 1925
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Invalid names: Rhodopagus pygmaeus Radinsky 1965 [synonym]
G. †Triplopus Cope 1880
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†Triplopus cubitalis Cope 1880
†Triplopus jeminaiensis Jin 2000
†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 rhinocerinus Wood 1927
†Triplopus woodi Stock 1936
Invalid names: Eotrigonias Wood 1927 [synonym]
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]
Diagnosis
No diagnoses are available