Hyrachyus Leidy 1871 (odd-toed ungulate)

Mammalia - Perissodactyla - Hyrachyidae

Synonyms: Chasmotherium Rutimeyer , Colonoceras Marsh 1873, Ephyrachyus Wood 1934, Metahyrachyus Troxell 1922

Full reference: J. Leidy. 1871. Remarks on fossil vertebrates from Wyoming. Proceedings of the Academy of Natural Sciences of Philadelphia 23(2):228-229

Parent taxon: Hyrachyidae according to L. T. Holbrook 1999

See also Alroy 2002, Carroll 1988, Colbert and Schoch 1998, Cope 1881, Hooker 1996, Peterson 1919, Prothero and Schoch 1989, Prothero and Schoch 1989, Radinsky 1966, Radinsky 1967, Radinsky 1967, Sahni and Khare 1973, Schoch 1984, Scott 1883, Troxell 1922 and Wood 1934

Sister taxa: Hyrachyus douglassi, Subhyrachyus

Subtaxa: Chasmotherium depereti Hyrachyus crista Hyrachyus eximius Hyrachyus grandis Hyrachyus lunanensis Hyrachyus metalophus Hyrachyus minor Hyrachyus modestus Hyrachyus neimongoliensis Hyrachyus paradoxus Hyrachyus tongi

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Type: Hyrachyus agrestis

Ecology: ground dwelling browser


• Eocene to Oligocene of China (1 collection)

• Eocene of China (8), France (1), Germany (6), Jamaica (1), Japan (1), Switzerland (2), the United Kingdom (2), United States (126: California, Colorado, Nevada, Oregon, Texas, Utah, Wyoming)

Total: 148 collections including 159 occurrences

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Specimen images are retrieved through the ePANDDA API.

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