Aguilar, J.-P., Legendre, S., Michaux, J. & Montuire S., 1998. Pliocene mammals and climatic reconstruction in the Western Mediterranean area ; In : Wrenn, J.H., Suc, J.-P. and Leroy, S.A.G. (eds), The Pliocene : Time of change. American Association of Stratigraphic Palynologists (...) >suite
Although a famous species, H. crassum is actually poorly known : there are no complete skulls, only scanty limb bones and a few teeth that may, or may not, belong to a single species. A cranium of H. crassum mentioned by Depéret (1890) and chosen as lectotype by Forsten (1968) was never (...) >suite