| Source Data | |
|---|
| Rank | species |
|---|
| Taxonomy (GBIF) | Life : Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Sifrhippus : Eohippus pernix |
|---|
| Taxonomy (PBDB) | Life : Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Sifrhippus : Eohippus pernix |
|---|
| Taxonomic Status (GBIF) | accepted |
|---|
Classification
(PBDB,GBIF) | |
|---|
| Generic Name | Eohippus |
|---|
| Scientific Name | Eohippus pernix (Marsh, 1876) |
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| Opinions (PBDB) | | Name | Rank | Opinion | Evidence | Author |
|---|
| Arenahippus pernix | species | belongs to Eohippus | stated without evidence | Marsh, 1876 | | Arenahippus pernix | species | subjective synonym of Hyracotherium index | stated with evidence | Wortman, 1896 | | Arenahippus pernix | species | subjective synonym of Hyracotherium index | stated without evidence | Trouessart, 1898 | | Arenahippus pernix | species | belongs to Eohippus | stated without evidence | Hay, 1902 | | Arenahippus pernix | species | subjective synonym of Hyracotherium vasacciense | stated without evidence | Kitts, 1956 | | Arenahippus pernix | species | belongs to Hyracotherium | stated without evidence | Gingerich, 1991 | | Arenahippus pernix | species | belongs to Hyracotherium | stated with evidence | MacFadden, 1998 | | Arenahippus pernix | species | belongs to Arenahippus | stated with evidence | Froehlich, 2002 |
|
|---|
| Status (PBDB) | extinct |
|---|
| Taxon Size (PBDB) | 1 |
|---|
| First Recorded Appearance | 55.8 - 50.3 Ma
Eocene |
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| Last Recorded Appearance | 55.8 - 48.6 Ma
Eocene |
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| Environment | terrestrial (based on Eutheria) |
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| Motility | actively mobile (based on Osteichthyes) |
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| Diet | browser (based on Equidae) |
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| Taphonomy | phosphatic (based on Vertebrata) |
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| Primary Reference (PBDB) | O. C. Marsh. 1876. Notice of new Tertiary mammals. V. American Journal of Science 12(71):401-404 |
|---|
| Marsh O. C. Notice of new Tertiary mammals. V, American Journal of Science 12 71, 401-404 doi:10.2475/ajs.s3-12.71.401 |
| Hay O. P. (1902) , Bibliography and Catalogue of the Fossil Vertebrata of North America. Bulletin of the United States Geological Survey 179, 1-868 |
| Matthew W. D. (1909) The Carnivora and Insectivora of the Bridger Basin, middle Eocene, Memoirs of the American Museum of Natural History 9, 289-567 |
| Gingerich P. D. (1991) Systematics and Evolution of Early Eocene Perissodactyla (Mammalia) in the Clarks Fork Basin, Wyoming, Contributions from the Museum of Paleontology, University of Michigan 28 8, 181-213 |
| MacFadden B. J. (1998) Equidae, Evolution of Tertiary Mammals of North America 1, 537-559 |
| Froehlich D. J. (2002) Quo vadis Eohippus? The systematics and taxonomy of the early Eocene equids (Perissodactyla), Zoological Journal of the Linnean Society 134, 141-256 doi:10.1046/j.1096-3642.2002.00005.x |
Eohippus pernix ✝
