placing it among the giants of the animal kingdom

mandibular

with thickened ribs (pachyostosis in larger individuals)

a fundamental step on the path to the emergence of mammals

with elongated jaws and recurved teeth

Hexaprotodon sivalensis Variante:Imprimado placing it among the giantsHexaprotodon sivalensis was an extinct hippopotamid from the Neogene and Quaternary of South Asia, known mainly from remains recovered from the Siwalik Group, one of the most important continental fossil bearing sequences of the Indian subcontinent. Traditionally associated with deposits from the latest Miocene, Pliocene, and Pleistocene, this taxon represents one of the most characteristic forms of Asian fossil hippopotamids and helps illustrate the