Middle Pliocene Bovidae from Hominid-bearing sites in the Woranso-Mille area, Afar region, Ethiopia

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dc.contributor.authorGeraads, Denis
dc.contributor.authorMelillo, Stephanie
dc.contributor.authorHaile-Selassie, Yohannes
dc.date.accessioned2014-02-18T07:40:16Z
dc.date.available2014-02-18T07:40:16Z
dc.date.issued2009-12
dc.description.abstractHominid-bearing sites of the northwestern part of the Woranso-Mille research area, dated to between 3.7 and 3.8 Mya, yield 10 species of Bovidae. The evolutionary stages of the most common species fit quite well this radiometric age. The most abundant bovid is a new species of Aepyceros, of large size, with upright, lyrated horn-cores; it is clearly distinct from the impalas of younger sites in the same area, and from those sampled at Hadar. A new species of Tragelaphus is also common; its horn-cores exhibit reduced anterior keel and antero-posterior compression foreshadowing the most common form at Hadar. A single partial Ugandax skull, despite some primitiveness, may fit into the variation range of U. coryndonae from Hadar. Other tribes are rare; the virtual absence of reduncines is a major difference from younger sites, but the occurrence of a cephalophine and of Neotragus is worth noting. This assemblage unambiguously indicates an environment with a significant component of arboreal vegetation.en_ZA
dc.identifier.issn0078-8554
dc.identifier.urihttp://hdl.handle.net10539/13815
dc.language.isoenen_ZA
dc.publisherBernard Price Institute for Palaeontological Research, University of the Witwatersranden_ZA
dc.subjectArtiodactylaen_ZA
dc.subjectBovidaeen_ZA
dc.subjectMiddle Plioceneen_ZA
dc.subjectEthiopiaen_ZA
dc.subjecteastern Africaen_ZA
dc.titleMiddle Pliocene Bovidae from Hominid-bearing sites in the Woranso-Mille area, Afar region, Ethiopiaen_ZA
dc.typeArticleen_ZA
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Volume 44 December 2009