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Hyracodon
Taxonomy
Hyracodon was named by Leidy (1856). It is the type genus of Hyracodontinae.
It was reranked as Rhinoceros (Hyracodon) by Leidy (1857).
It was assigned to Pachydermata by Leidy (1856); to Rhinoceros by Leidy (1857); to Hyracodontinae by Hay (1902), Prothero and Schoch (1989) and Prothero (1998); and to Hyracodontidae by Cope (1881), Lambe (1908), Scott (1913), Wood (1960), Radinsky (1966), Ferrusquia-Villafranca (1969), Carroll (1988), Holbrook (1999) and Wang et al. (2016).
It was reranked as Rhinoceros (Hyracodon) by Leidy (1857).
It was assigned to Pachydermata by Leidy (1856); to Rhinoceros by Leidy (1857); to Hyracodontinae by Hay (1902), Prothero and Schoch (1989) and Prothero (1998); and to Hyracodontidae by Cope (1881), Lambe (1908), Scott (1913), Wood (1960), Radinsky (1966), Ferrusquia-Villafranca (1969), Carroll (1988), Holbrook (1999) and Wang et al. (2016).
Synonyms
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Synonymy list
Year | Name and author |
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1856 | Hyracodon Leidy p. 91 |
1857 | Rhinoceros (Hyracodon) Leidy p. 89 |
1881 | Hyracodon Cope p. 393 |
1902 | Hyracodon Hay p. 640 |
1908 | Hyracodon Lambe |
1913 | Hyracodon Scott p. 291 |
1931 | Mesamynodon Peterson |
1960 | Hyracodon Wood p. 100 |
1966 | Hyracodon Radinsky p. 635 |
1969 | Hyracodon Ferrusquia-Villafranca |
1988 | Hyracodon Carroll |
1989 | Mesamynodon Prothero and Schoch p. 534 |
1989 | Hyracodon Prothero and Schoch p. 535 |
1998 | Hyracodon Prothero p. 591 |
1999 | Hyracodon Holbrook p. 346 |
2016 | Hyracodon Wang 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.
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]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
References: Lillegraven 1979, Carroll 1988, Hendy et al. 2009, Prothero 1998, Ji et al. 2002 |
Age range: base of the Late/Upper Uintan to the top of the Geringian or 46.20000 to 26.30000 Ma
Collections (108 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Late/Upper Uintan | USA (Montana) | Mesamynodon medius (16584) | |
Duchesnean | Canada (Saskatchewan) | H. sp. (16845) | |
Duchesnean | USA (Utah) | H. primus (16847) Mesamynodon medius (16861) | |
Duchesnean | USA (Texas) | H. primus (16821 16828 16829 16830 16833 16835 16851 16862 16864 16865) H. sp. (16856) | |
Duchesnean - Chadronian | USA (Montana) | H. sp. (16840) | |
Priabonian | USA (Georgia) | H. sp. (45640) | |
Chadronian | Mexico (Chihuahua) | H. sp. (17015) | |
Chadronian | USA (South Dakota) | H. priscidens (16885 16938 17006) H. sp. (16969) | |
Chadronian | USA (New Mexico) | H. sp. (17001) | |
Chadronian | USA (Colorado) | H. sp. (16977) | |
Chadronian | USA (Nebraska) | H. doddi (17033) H. nebraskensis (16917 16918 16929 16930 16940 17014) H. sp. (17034) | |
Chadronian | Canada (Saskatchewan) | H. petersoni (17023) H. priscidens (16893 16919) | |
Chadronian | USA (Montana) | H. sp. (16927 16935 16990 17010 17041) | |
Chadronian | USA (Wyoming) | H. ischyrolophus (17045) H. leidyanus (16922) H. petersoni (16986) H. priscidens (16960 16962 16963 16964) H. sp. (16920 16954 16955 16961 16992) H. sp., H. priscidens (17011) | |
Chadronian | USA (Texas) | H. petersoni (16886 16934) | |
Early/Lower Chadronian | USA (Wyoming) | H. priscidens (16906) | |
Late/Upper Chadronian | USA (Montana) | H. sp. (17027) | |
Chadronian - Orellan | USA (Wyoming) | H. sp. (16993) | |
Orellan | USA (Nebraska) | H. nebraskensis (17062 17098 17164 17165 17175) | |
Orellan | USA (South Dakota) | H. arcidens (17162) H. nebrascensis (17163 17180 17296) H. nebraskensis (17092 17094 17103 17115 17173 17174) H. sp. (17133 17141 17142 17153 17187 17188 17189 17190 17295) | |
Orellan | USA (Colorado) | H. arcidens (118198) H. sp. (17081 17082) | |
Orellan | USA (Wyoming) | H. nebrascensis (17064) | |
Orellan | USA (Montana) | H. sp. (17090 17138) | |
Whitneyan | USA (Colorado) | H. sp. (17426) | |
Whitneyan | USA (North Dakota) | H. sp. (17320) | |
Whitneyan | USA (South Dakota) | H. apertus (17362 17379) H. leidyanus (17326) H. leidyanus, H. nebrascensis (17344) H. nebraskensis (17336 17337 17338) H. sp. (17317 17343 17359 17384 17385) | |
Whitneyan | USA (Nebraska) | H. leidyanus (17369) H. nebraskensis (17361 17366) | |
Geringian | USA (South Dakota) | H. sp. (17645) | |
Arikareean | USA (Nebraska) | H. sp. (17513 17717) |