After Rasmussen & Simons, 1988, Prothero & Schoch, 1989 and McKenna & Bell, 1997
<==o †Pliohyracidae Osborn, 1899 |-- †Pliohyracidae genera et species indet. [Undescribed taxon from Libya] |-- †Titanohyracinae |-- †Geniohyinae |-- †Saghatheriinae `-- †Pliohyracinae
Reference(s):
- Carroll, R. L., 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698. - Carroll, R. L., 1988: Appendix. 594-648.
in Carroll, R. L., 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698. - McKenna, M. C. & Bell, S. K., (eds.) 1997: Classification of mammals – above the species level.
–Columbia University Press, New York, 1997, xii-631 - Nowak, R. M., 1991: Walker's Mammals of the World; Part 1.
–The Johns Hopkins University Press, Baltimore and London, 1991, xlviii-642-lxiii - Nowak, R. M., 1991: Walker's mammals of the World; Part 2.
–The Johns Hopkins University Press, Baltimore and London, 1991, xii-643-1629 - Prothero, D. R. & Schoch, R. M., 1989: Classification of the Perissodactyla. 530-537.
in Prothero, D. R. & Schoch, R. M. 1989: The evolution of perissodactyls.
–Oxford University Press., New York. 1989. - Rasmussen, D. T. & Simons, E. L., 1988: New Oligocene hyracoids from Egypt.
–Journal of Vertebrate Paleontology: Vol. 8, #1, pp. 67-83