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Hyrachyus eximius
Taxonomy
Hyrachyus eximius was named by Leidy (1871).
It was synonymized subjectively with Hyrachyus by Troxell (1922).
It was synonymized subjectively with Hyrachyus by Troxell (1922).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
Year | Name and author |
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1871 | Hyrachyus eximius Leidy p. 229 |
1872 | Hyrachyus princeps Marsh p. 125 |
1873 | Hyrachyus eximius Cope p. 6 |
1873 | Hyrachyus princeps Cope p. 6 |
1873 | Hyrachyus eximius Leidy p. 66 |
1878 | Hyrachyus imperialis Osborn et al. |
1902 | Hyrachyus eximius Hay p. 639 |
1902 | Hyrachyus imperialis Hay p. 639 |
1902 | Hyrachyus princeps Hay p. 639 |
1934 | Hyrachyus eximius Wood |
1934 | Hyrachyus hypostylus Wood |
1934 | Metahyrachyus troxelli Wood |
1967 | Hyrachyus eximius Radinsky |
1996 | Hyrachyus eximius McCarroll et al. |
1998 | Hyrachyus eximius Colbert and Schoch |
2002 | Hyrachyus eximius Antoine 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.
†Hyrachyus eximius Leidy 1871
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Invalid names: Hyrachyus hypostylus Wood 1934 [synonym], Hyrachyus imperialis Osborn et al. 1878 [synonym], Hyrachyus princeps Marsh 1872 [synonym], Metahyrachyus troxelli Wood 1934 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: subo = suborder, subc = subclass, c = class, subp = subphylum | |||||
References: Lillegraven 1979, Colbert and Schoch 1998, Carroll 1988, Hendy et al. 2009, Ji et al. 2002 |
Age range: base of the Middle Eocene to the top of the Uintan or 48.60000 to 40.40000 Ma
Collections (28 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Bridgerian | USA (Wyoming) | Hyrachyus eximius (16135 16138 16200 16206 16207 16213 16234 16235 16244 16278 16407 16413 16415 16428 16438 16444 16502 16647 202162) Hyrachyus princeps (16288 16420) Metahyrachyus troxelli (16193) | |
Middle Eocene | USA (Oregon) | Hyrachyus sp. (16202) | |
Uintan | USA (Utah) | Hyrachyus eximius (16655) | |
Uintan | USA (Wyoming) | Hyrachyus eximius (16556 16565 16576 16648) |