Pinchacus Cinchacus Tapirella Elasmognathus Acrocodia Tapir Syspotamus Rhinochoerus Tapyra
McKenna, M. C. & Bell, S. K., (eds.) 1997: Classification of mammals – above the species level.
–Columbia University Press, New York, 1997, xii-631
Schoch, R. M., 1989: A review of the tapiroids. 298-320
in Prothero, D. R. & Schoch, R. M., (eds.) 1989: The Evolution of Perissodactyls.
–Oxford University Press, New York, New York & Oxford, England, 1989, ix-537