Hyracodontidae

 ( Rhinocerotoidea ) 

The Hyracodontidae are an extinction family of 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 .

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

• 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.