A NEW SPECIES OF PLIOCENE HIPPOPOTAMIDAE FROM THE MIDDLE AWASH, ETHIOPIA

JEAN-RENAUD BOISSERIE; TIM D. WHITE

doi:10.1671/2475

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JEAN-RENAUD BOISSERIE,^1,2 TIM D. WHITE²

¹Laboratoire de Géobiologie, Biochronologie et Paléontologie Humaine, UMR 6046, Université de Poitiers,40 avenue du Recteur Pineau, 86022 Poitiers Cedex, France, jrbmail@uclink.berkeley.edu
²Laboratory for Human Evolutionary Studies, Museum of Vertebrate Zoology, and Department of Integrative Biology, University of California, 3101 Valley Life Science Building, Berkeley, California 94720-3140, U.S.A.

Abstract

A new species of hippopotamid, Hexaprotodon bruneti, sp. nov., was discovered in both the Hata Member of the Bouri Formation and at upper Maka in the Middle Awash study area of Ethiopia. Hexaprotodon bruneti is characterized by an enlarged i3 and differs from all African fossil and living hippos in the shape of its mandibular symphysis. It has stronger phylogenetic affinities with Pliocene hippopotamids of southern Asia than with African species. This probable Asian origin agrees with a hypothesis of an important faunal turnover in Africa about 2.5 Ma, perhaps linked with climatic change.

Citation Download Citation

JEAN-RENAUD BOISSERIE and TIM D. WHITE "A NEW SPECIES OF PLIOCENE HIPPOPOTAMIDAE FROM THE MIDDLE AWASH, ETHIOPIA," Journal of Vertebrate Paleontology 24(2), 464-473, (1 June 2004). https://doi.org/10.1671/2475

Received: 27 May 2002; Accepted: 1 July 2003; Published: 1 June 2004

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