Hyracodontidae

The Hyracodontidae are an extinct family of rhinocerotoids endemic to North America, Europe, and Asia during the Eocene through early Oligocene, living from 48.6 to 26.3 million years ago (Mya), existing about 22.3 million years.^[2]

Hyracodontids Temporal range: Ypresian-Chattian, 48.6–26.3 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Hyracodon
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Perissodactyla
Superfamily:	Rhinocerotoidea
Family:	†Hyracodontidae Cope, 1879^[1]
Genera
†Hyracodon †Ardynia †Epitriplophus †Triplopides

The Hyracodontidae thrived in the rainforests of Kazakhstan, Pakistan, and southwest China, a former coastal region. Fossil evidence also extends their geographical range to Germany, as well as to Mongolia.^[3]

References

1. McKenna, M. C; S. K. Bell (1997). Classification of Mammals Above the Species Level. Columbia University Press. ISBN 0-231-11012-X.
2. "Fossilworks: Hyracodontidae". paleodb.org. Retrieved 2018-11-12.
3. Bai, Bin; Wang, Yuan-Qing; Zhang, Zhao-Qun (June 2018). "The late Eocene hyracodontid perissodactyl Ardynia from Saint Jacques, Inner Mongolia, China and its implications for the potential Eocene–Oligocene boundary". Palaeoworld. 27 (2): 247–257. doi:10.1016/j.palwor.2017.09.001. Retrieved 19 March 2023.

Further reading

• Lucas, S. G. & Sobus, J. C., (1989), The Systematics of Indricotheres. 358–378 in Prothero, D. R. & Schoch, R. M., (eds.) 1989: The Evolution of Perissodactyls, Oxford University Press, New York, New York & Oxford, England.