^Coombs, Margery C. (1989). "24. Interrelationships and diversity in the Chalicotheriidae". In Prothero, D.R.; Schoch, R.M. (eds.). The Evolution of Perissodactyls. Oxford University Press. pp. 438–457. ISBN9780195060393.
^Werdelin, Lars; Sanders, William Joseph (2010). Cenozoic Mammals of Africa. University of California Press. p. 665. ISBN9780520257214.
Sources
Classification of Mammals by Malcolm C. McKenna and Susan K. Bell